{"transactions":[{"id":837025,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2026-03-17T23:37:14.000Z","date":"2026-03-13","kind":"grant","planned":false,"acquired":true,"shares":321670,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were granted and will vest in accordance with his Transition Agreement dated September 19, 2025.  Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."}],"balance_after":1900494,"derivative":{"underlying":"Class A Common Stock","underlying_shares":321670},"source":{"system":"sec-edgar","filing":"0001587455-26-000004","document":"wk-form4_1773790630.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745526000004/wk-form4_1773790630.xml","form_type":"4"}},{"id":917417,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2026-02-05T21:43:37.000Z","date":"2026-02-03","kind":"grant","planned":false,"acquired":true,"shares":263831,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's operational performance and total shareholder return measured in industry-relative terms during a three-year performance period which ended on December 31, 2025. 50% of such earned LTIP Units fully vested as of January 1, 2026, and the remaining 50% of such earned LTIP Units will vest on December 31, 2026 subject to continued employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's operational performance and total shareholder return measured in industry-relative terms during a three-year performance period which ended on December 31, 2025. 50% of such earned LTIP Units fully vested as of January 1, 2026, and the remaining 50% of such earned LTIP Units will vest on December 31, 2026 subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":3211106,"derivative":{"underlying":"Class A Common Stock","underlying_shares":263831},"source":{"system":"sec-edgar","filing":"0001587455-26-000002","document":"wk-form4_1770327815.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745526000002/wk-form4_1770327815.xml","form_type":"4"}},{"id":1191992,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2025-03-25T21:01:35.000Z","date":"2025-03-24","kind":"sale","planned":false,"acquired":false,"shares":11843,"price":8.02,"value":94980.86,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The transaction reported in this Form 4 is being reported in conjunction with the sale by the Reporting Person, on March 24, 2025, of 11,843 shares of Class A Common Stock during an open window period through secondary market trades pursuant to Rule 144 under the Securities Act of 1933, as amended. The sale was made for financial planning purposes for the Reporting Person and represents less than 1% of the Reporting Person's beneficial ownership of equity in the Issuer on a fully diluted basis."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $8.00 to $8.08, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (4) of this Form 4."}],"balance_after":44185,"source":{"system":"sec-edgar","filing":"0001587455-25-000008","document":"wk-form4_1742936489.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000008/wk-form4_1742936489.xml","form_type":"4"}},{"id":1191991,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2025-03-25T21:01:35.000Z","date":"2025-03-21","kind":"sale","planned":false,"acquired":false,"shares":5779,"price":8.03,"value":46405.37,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 is being reported in conjunction with the sale by the Reporting Person, on March 21, 2025 of 5,779 shares of Class A Common Stock during an open window period through secondary market trades pursuant to Rule 144 under the Securities Act of 1933, as amended. The sale was made for financial planning purposes for the Reporting Person and represents less than 1% of the Reporting Person's beneficial ownership of equity in the Issuer on a fully diluted basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $8.00 to $8.13, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) of this Form 4."}],"balance_after":56028,"source":{"system":"sec-edgar","filing":"0001587455-25-000008","document":"wk-form4_1742936489.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000008/wk-form4_1742936489.xml","form_type":"4"}},{"id":1194475,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2025-03-21T21:26:34.000Z","date":"2025-03-20","kind":"sale","planned":false,"acquired":false,"shares":12500,"price":8.15,"value":101875.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F3","text":"The transaction reported in this Form 4 is being reported in conjunction with the sale by the Reporting Person, on March 20, 2025, of 12,500 shares of Class A Common Stock during an open window period through secondary market trades pursuant to Rule 144 under the Securities Act of 1933, as amended. The sale was made for financial planning purposes for the Reporting Person and represents less than 1% of the Reporting Person's beneficial ownership of equity in the Issuer on a fully diluted basis."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $8.09 to $8.20, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (4) of this Form 4."}],"balance_after":61807,"source":{"system":"sec-edgar","filing":"0001587455-25-000006","document":"wk-form4_1742592388.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000006/wk-form4_1742592388.xml","form_type":"4"}},{"id":1194474,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2025-03-21T21:26:34.000Z","date":"2025-03-19","kind":"sale","planned":false,"acquired":false,"shares":12500,"price":8.11,"value":101375.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 is being reported in conjunction with the sale by the Reporting Person, on March 19, 2025 of 12,500 shares of Class A Common Stock during an open window period through secondary market trades pursuant to Rule 144 under the Securities Act of 1933, as amended. The sale was made for financial planning purposes for the Reporting Person and represents less than 1% of the Reporting Person's beneficial ownership of equity in the Issuer on a fully diluted basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is an average price. These shares were sold in multiple transactions at prices ranging from $8.075 to $8.165, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) of this Form 4."}],"balance_after":74307,"source":{"system":"sec-edgar","filing":"0001587455-25-000006","document":"wk-form4_1742592388.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000006/wk-form4_1742592388.xml","form_type":"4"}},{"id":1203373,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2025-03-17T20:41:24.000Z","date":"2025-03-13","kind":"grant","planned":false,"acquired":true,"shares":200547,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units vest ratably on each of the first three anniversaries of January 1, 2025, subject to continued employment through such dates, and are issued in connection with the Reporting Person's election to receive LTIP Units in lieu of the Reporting Person's 2024 cash annual incentive bonus. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."}],"balance_after":2947275,"derivative":{"underlying":"Class A Common Stock","underlying_shares":200547},"source":{"system":"sec-edgar","filing":"0001587455-25-000004","document":"wk-form4_1742244077.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000004/wk-form4_1742244077.xml","form_type":"4"}},{"id":1203372,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2025-03-17T20:41:24.000Z","date":"2025-03-13","kind":"grant","planned":false,"acquired":true,"shares":128948,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest ratably on each of the first four anniversaries of January 1, 2025, subject to continued employment through such dates. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2024 Equity Incentive Plan."}],"balance_after":2746728,"derivative":{"underlying":"Class A Common Stock","underlying_shares":128948},"source":{"system":"sec-edgar","filing":"0001587455-25-000004","document":"wk-form4_1742244077.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000004/wk-form4_1742244077.xml","form_type":"4"}},{"id":1278413,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2025-02-07T13:55:17.000Z","date":"2025-02-06","kind":"grant","planned":false,"acquired":true,"shares":255629,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's operational performance and total shareholder return measured in industry-relative terms during a three-year performance period which ended on December 31, 2024. 50% of such earned LTIP Units fully vested as of January 1, 2025, and the remaining 50% of such earned LTIP Units will vest on December 31, 2025 subject to continued employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's operational performance and total shareholder return measured in industry-relative terms during a three-year performance period which ended on December 31, 2024. 50% of such earned LTIP Units fully vested as of January 1, 2025, and the remaining 50% of such earned LTIP Units will vest on December 31, 2025 subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":2617780,"derivative":{"underlying":"Class A Common Stock","underlying_shares":255629},"source":{"system":"sec-edgar","filing":"0001587455-25-000002","document":"wk-form4_1738936510.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745525000002/wk-form4_1738936510.xml","form_type":"4"}},{"id":1320909,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2024-12-27T21:16:34.000Z","date":"2024-12-24","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":10.1,"value":101000.0,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transaction reported in this Form 4 is being reported in conjunction with the sale by the Reporting Person, on December 24, 2024, of 10,000 shares of Class A Common Stock during an open window period through secondary market trades pursuant to Rule 144 under the Securities Act of 1933, as amended. The sale was made for financial planning purposes for the Reporting Person and represents less than 1% of the Reporting Person's beneficial ownership of equity in the Issuer on a fully diluted basis."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.10 to $10.12, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (2) of this Form 4."}],"balance_after":86807,"source":{"system":"sec-edgar","filing":"0000950170-24-140802","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000095017024140802/ownership.xml","form_type":"4"}},{"id":1325165,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2024-12-19T22:57:52.000Z","date":"2024-12-17","kind":"exercise","planned":false,"acquired":false,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"A total of 100,000 of vested LTIP Units were converted by the Reporting Person on a one-for-one basis into Operating Partnership Units, which were then redeemed for an equal number of shares of the Issuer's Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units are fully vested."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan."}],"balance_after":2362151,"derivative":{"underlying":"Class A Common Stock","underlying_shares":100000},"source":{"system":"sec-edgar","filing":"0001587455-24-000006","document":"wk-form4_1734649066.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000006/wk-form4_1734649066.xml","form_type":"4"}},{"id":1325164,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2024-12-19T22:57:52.000Z","date":"2024-12-18","kind":"sale","planned":false,"acquired":false,"shares":3193,"price":10.9,"value":34803.7,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"The transactions reported in this Form 4 are being reported in conjunction with the sale by the Reporting Person, on December 18, 2024, of 3,193 shares of Class A Common Stock during an open window period through a secondary market block trade pursuant to Rule 144 under the Securities Act of 1933, as amended. The sale was made for financial planning purposes for the Reporting Person and represents less than 1% of the Reporting Person's beneficial ownership of equity in the Issuer on a fully diluted basis."}],"balance_after":96807,"source":{"system":"sec-edgar","filing":"0001587455-24-000006","document":"wk-form4_1734649066.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000006/wk-form4_1734649066.xml","form_type":"4"}},{"id":1325163,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"Class A Common Stock","published_at":"2024-12-19T22:57:52.000Z","date":"2024-12-17","kind":"exercise","planned":false,"acquired":true,"shares":100000,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":100000,"source":{"system":"sec-edgar","filing":"0001587455-24-000006","document":"wk-form4_1734649066.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000006/wk-form4_1734649066.xml","form_type":"4"}},{"id":1574317,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2024-03-15T21:50:57.000Z","date":"2024-03-13","kind":"grant","planned":false,"acquired":true,"shares":105376,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These LTIP Units vest 100% on June 30,  2027, subject to continued employment. Each of the LTIP Units is subject to a holding period for an additional two years following the vest date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":2462151,"derivative":{"underlying":"Class A Common Stock","underlying_shares":105376},"source":{"system":"sec-edgar","filing":"0001587455-24-000004","document":"wk-form4_1710539444.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000004/wk-form4_1710539444.xml","form_type":"4"}},{"id":1574316,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2024-03-15T21:50:57.000Z","date":"2024-03-13","kind":"grant","planned":false,"acquired":true,"shares":123414,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units vest ratably on each of the first three anniversaries of January 1, 2024, subject to continued employment through such dates, and are issued in connection with the Reporting Person's election to receive LTIP Units in lieu of the Reporting Person's 2023 cash annual incentive bonus. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":2356775,"derivative":{"underlying":"Class A Common Stock","underlying_shares":123414},"source":{"system":"sec-edgar","filing":"0001587455-24-000004","document":"wk-form4_1710539444.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000004/wk-form4_1710539444.xml","form_type":"4"}},{"id":1574315,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2024-03-15T21:50:57.000Z","date":"2024-03-13","kind":"grant","planned":false,"acquired":true,"shares":107508,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest ratably on each of the first four anniversaries of January 1, 2024, subject to continued employment through such dates. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":2233361,"derivative":{"underlying":"Class A Common Stock","underlying_shares":107508},"source":{"system":"sec-edgar","filing":"0001587455-24-000004","document":"wk-form4_1710539444.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000004/wk-form4_1710539444.xml","form_type":"4"}},{"id":1642713,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2024-02-14T22:08:19.000Z","date":"2024-02-12","kind":"grant","planned":false,"acquired":true,"shares":181816,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's total shareholder return measured in industry-relative terms during a three-year performance period which ended on December 31, 2023. 50% of such earned LTIP Units fully vested as of January 1, 2024, and the remaining 50% of such earned LTIP Units will vest on December 31, 2024 subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":1879801,"derivative":{"underlying":"Class A Common Stock","underlying_shares":181816},"source":{"system":"sec-edgar","filing":"0001587455-24-000002","document":"wk-form4_1707948466.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745524000002/wk-form4_1707948466.xml","form_type":"4"}},{"id":1951778,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2023-03-15T21:05:38.000Z","date":"2023-03-13","kind":"grant","acquired":true,"shares":135300,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units vest ratably on each of the first three anniversaries of January 1, 2023, subject to continued employment through such dates, and are issued in connection with the Reporting Person's election to receive LTIP Units in lieu of the Reporting Person's 2022 cash annual incentive bonus. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":1697985,"derivative":{"underlying":"Class A Common Stock","underlying_shares":135300},"source":{"system":"sec-edgar","filing":"0001587455-23-000004","document":"wf-form4_167891432692019.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745523000004/wf-form4_167891432692019.xml","form_type":"4"}},{"id":1951777,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2023-03-15T21:05:38.000Z","date":"2023-03-13","kind":"grant","acquired":true,"shares":151756,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest ratably on each of the first four anniversaries of January 1, 2023, subject to continued employment through such dates. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":1562685,"derivative":{"underlying":"Class A Common Stock","underlying_shares":151756},"source":{"system":"sec-edgar","filing":"0001587455-23-000004","document":"wf-form4_167891432692019.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745523000004/wf-form4_167891432692019.xml","form_type":"4"}},{"id":2019442,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2023-02-13T22:39:17.000Z","date":"2023-02-10","kind":"grant","acquired":true,"shares":139399,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's total shareholder return measured in industry-relative terms during a three-year performance period which ended on December 31, 2022. 50% of such earned LTIP Units fully vested as of January 1, 2023, and the remaining 50% of such earned LTIP Units will vest on January 1, 2024, subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":1550328,"derivative":{"underlying":"Class A Common Stock","underlying_shares":139399},"source":{"system":"sec-edgar","filing":"0001587455-23-000002","document":"wf-form4_167632791080818.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000158745523000002/wf-form4_167632791080818.xml","form_type":"4"}},{"id":2330304,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2022-03-16T21:14:47.000Z","date":"2022-03-15","kind":"grant","acquired":true,"shares":96045,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units vest ratably on each of the first three anniversaries of January 1, 2022, subject to continued employment through such dates, and are issued in connection with the Reporting Person's election to receive LTIP Units in lieu of the Reporting Person's 2021 cash annual incentive bonus. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":1410929,"derivative":{"underlying":"Class A Common Stock","underlying_shares":96045},"source":{"system":"sec-edgar","filing":"0001541401-22-000017","document":"wf-form4_164746527307897.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000154140122000017/wf-form4_164746527307897.xml","form_type":"4"}},{"id":2330303,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2022-03-16T21:14:47.000Z","date":"2022-03-15","kind":"grant","acquired":true,"shares":91484,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest ratably on each of the first four anniversaries of January 1, 2022, subject to continued employment through such dates. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the Reporting Person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP Units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates. These LTIP Units were granted under the Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan."}],"balance_after":1314884,"derivative":{"underlying":"Class A Common Stock","underlying_shares":91484},"source":{"system":"sec-edgar","filing":"0001541401-22-000017","document":"wf-form4_164746527307897.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000154140122000017/wf-form4_164746527307897.xml","form_type":"4"}},{"id":2781165,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2021-03-17T15:36:16.000Z","date":"2021-03-15","kind":"grant","acquired":true,"shares":59215,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units vest ratably on each of the first three anniversaries of January 1, 2021, subject to continued employment through such dates, and are issued in connection with the Reporting Person's election to receive LTIP Units in lieu of his 2020 cash annual incentive bonus. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":1223400,"derivative":{"underlying":"Class A Common Stock","underlying_shares":59215},"source":{"system":"sec-edgar","filing":"0001541401-21-000020","document":"wf-form4_161599535675756.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000154140121000020/wf-form4_161599535675756.xml","form_type":"4"}},{"id":2781164,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2021-03-17T15:36:16.000Z","date":"2021-03-15","kind":"grant","acquired":true,"shares":83541,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2021, subject to continued employment through such dates. Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":1164185,"derivative":{"underlying":"Class A Common Stock","underlying_shares":83541},"source":{"system":"sec-edgar","filing":"0001541401-21-000020","document":"wf-form4_161599535675756.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000154140121000020/wf-form4_161599535675756.xml","form_type":"4"}},{"id":3197643,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2020-03-23T11:00:20.000Z","date":"2020-03-19","kind":"grant","acquired":true,"shares":175315,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These represent time-based LTIP Units that vest ratably on each of the first three anniversaries of January 1, 2020, subject to continued employment through such dates, issued pursuant to the Issuer's Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2019 Equity Incentive Plan, in connection with an annual incentive bonus compensation election made by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."}],"balance_after":1080644,"derivative":{"underlying":"Class A Common Stock","underlying_shares":175315},"source":{"system":"sec-edgar","filing":"0000899243-20-009217","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000089924320009217/doc4.xml","form_type":"4"}},{"id":3204317,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2020-03-17T22:48:22.000Z","date":"2020-03-16","kind":"grant","acquired":true,"shares":156456,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F3","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"shares","element":"transactionShares","label":"F4","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2020, subject to continued employment through such dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2020, subject to continued employment through such dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":905329,"derivative":{"underlying":"Class A Common Stock","underlying_shares":156456},"source":{"system":"sec-edgar","filing":"0000899243-20-008670","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000089924320008670/doc4.xml","form_type":"4"}},{"id":3204316,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2020-03-17T22:48:22.000Z","date":"2020-03-16","kind":"other","acquired":false,"shares":43353,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"kind","element":"transactionCoding","label":"F2","text":"These LTIP Units were granted on March 17, 2017 and were scheduled to vest based on the achievement of certain performance criteria relating to the Issuer's total return to the shareholders during a three-year performance period ending December 31, 2019. These units were forfeited due to failure to satisfy such performance criteria as of December 31, 2019."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":43353},"source":{"system":"sec-edgar","filing":"0000899243-20-008670","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000089924320008670/doc4.xml","form_type":"4"}},{"id":3580696,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2019-03-22T16:02:34.000Z","date":"2019-03-20","kind":"grant","acquired":true,"shares":84920,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F4","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"shares","element":"transactionShares","label":"F5","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2019, subject to continued employment through such dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F5","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2019, subject to continued employment through such dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":748873,"derivative":{"underlying":"Class A Common Stock","underlying_shares":84920},"source":{"system":"sec-edgar","filing":"0001209191-19-020947","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919119020947/doc4.xml","form_type":"4"}},{"id":3580695,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2019-03-22T16:02:34.000Z","date":"2019-03-20","kind":"grant","acquired":true,"shares":90057,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F3","text":"These represent time-based LTIP Units that vest ratably on each of the first three anniversaries of January 1, 2019, subject to continued employment through such dates, issued pursuant to the Issuer's First Amended and Restated Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan (as amended and restated as of April 4, 2016), in connection with an annual incentive bonus compensation election made by the reporting person."},{"field":"shares","element":"transactionShares","label":"F4","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These represent time-based LTIP Units that vest ratably on each of the first three anniversaries of January 1, 2019, subject to continued employment through such dates, issued pursuant to the Issuer's First Amended and Restated Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan (as amended and restated as of April 4, 2016), in connection with an annual incentive bonus compensation election made by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Each of the LTIP Units is subject to a holding period for an additional two years following the applicable vesting date of such LTIP Unit."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":663953,"derivative":{"underlying":"Class A Common Stock","underlying_shares":90057},"source":{"system":"sec-edgar","filing":"0001209191-19-020947","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919119020947/doc4.xml","form_type":"4"}},{"id":3580694,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2019-03-22T16:02:34.000Z","date":"2019-03-20","kind":"other","acquired":false,"shares":45630,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"kind","element":"transactionCoding","label":"F2","text":"These LTIP Units were granted on February 29, 2016 and were scheduled to vest based on the achievement of certain performance criteria relating to the Issuer's total return to the shareholders during a three-year performance period ending December 31, 2018.  These units were forfeited due to failure to satisfy such performance criteria as of December 31, 2018."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":0,"derivative":{"underlying":"Class A Common Stock","underlying_shares":45630},"source":{"system":"sec-edgar","filing":"0001209191-19-020947","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919119020947/doc4.xml","form_type":"4"}},{"id":3979398,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2018-03-29T20:36:54.000Z","date":"2018-03-27","kind":"grant","acquired":true,"shares":87588,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F3","text":"These LTIP Units are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's total return to shareholders during a three-year performance period ending December 31, 2020. Any earned LTIP units will vest 50% on January 1, 2021 and 50% on January 1, 2022, subject to continued employment. In accordance with applicable Form 4 reporting requirements, the foregoing excludes 262,767 LTIP Units also granted on March 27, 2018 that are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's relative total return to shareholders measured against two different industry-specific indices."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's total return to shareholders during a three-year performance period ending December 31, 2020. Any earned LTIP units will vest 50% on January 1, 2021 and 50% on January 1, 2022, subject to continued employment. In accordance with applicable Form 4 reporting requirements, the foregoing excludes 262,767 LTIP Units also granted on March 27, 2018 that are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's relative total return to shareholders measured against two different industry-specific indices."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":87588,"derivative":{"underlying":"Class A Common Stock","underlying_shares":87588},"source":{"system":"sec-edgar","filing":"0001209191-18-022094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919118022094/doc4.xml","form_type":"4"}},{"id":3979397,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Real Estate"}}],"security":"LTIP Units","published_at":"2018-03-29T20:36:54.000Z","date":"2018-03-27","kind":"grant","acquired":true,"shares":71159,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2018, subject to continued employment through such dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2018, subject to continued employment through such dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":573896,"derivative":{"underlying":"Class A Common Stock","underlying_shares":71159},"source":{"system":"sec-edgar","filing":"0001209191-18-022094","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919118022094/doc4.xml","form_type":"4"}},{"id":4036461,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Dir. of Leasing & Op."}}],"security":"LTIP Units","published_at":"2018-02-23T19:32:26.000Z","date":"2018-02-21","kind":"grant","acquired":true,"shares":51641,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F3","text":"These represent time-based LTIP Units that vest ratably on each of the first three anniversaries of January 1, 2018, subject to continued employment through such dates, issued pursuant to the Issuer's First Amended and Restated Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan (as amended and restated as of April 4, 2016), in connection with an annual incentive bonus compensation election made by the reporting person."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These represent time-based LTIP Units that vest ratably on each of the first three anniversaries of January 1, 2018, subject to continued employment through such dates, issued pursuant to the Issuer's First Amended and Restated Empire State Realty Trust, Inc. Empire State Realty OP, L.P. 2013 Equity Incentive Plan (as amended and restated as of April 4, 2016), in connection with an annual incentive bonus compensation election made by the reporting person."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":502737,"derivative":{"underlying":"Class A Common Stock","underlying_shares":51641},"source":{"system":"sec-edgar","filing":"0000899243-18-005262","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000089924318005262/doc4.xml","form_type":"4"}},{"id":4036460,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Dir. of Leasing & Op."}}],"security":"LTIP Units","published_at":"2018-02-23T19:32:26.000Z","date":"2018-02-21","kind":"grant","acquired":true,"shares":13850,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's total shareholder return measured in both absolute and industry-relative terms during a three-year performance period which ended on December 31, 2017. 50% of such earned LTIP units fully vested as of January 1, 2018, and the remaining 50% of such earned LTIP units will vest on January 1, 2019, subject to continued employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned on the achievement of certain performance criteria based on the Issuer's total shareholder return measured in both absolute and industry-relative terms during a three-year performance period which ended on December 31, 2017. 50% of such earned LTIP units fully vested as of January 1, 2018, and the remaining 50% of such earned LTIP units will vest on January 1, 2019, subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"These represent long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":13850,"derivative":{"underlying":"Class A Common Stock","underlying_shares":13850},"source":{"system":"sec-edgar","filing":"0000899243-18-005262","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000089924318005262/doc4.xml","form_type":"4"}},{"id":4376117,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Dir. of Leasing & Op."}}],"security":"LTIP Units","published_at":"2017-03-21T20:30:25.000Z","date":"2017-03-17","kind":"grant","acquired":true,"shares":43353,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F3","text":"These LTIP Units are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's total return to shareholders during a three-year performance period ending December 31, 2019. Any earned LTIP units will vest 50% on January 1, 2020 and 50% on January 1, 2021, subject to continued employment. In accordance with applicable Form 4 reporting requirements, the foregoing excludes 130,061 LTIP Units also granted on March 17, 2017 that are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's relative total return to shareholders measured against two different industry-specific indices."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"These LTIP Units are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's total return to shareholders during a three-year performance period ending December 31, 2019. Any earned LTIP units will vest 50% on January 1, 2020 and 50% on January 1, 2021, subject to continued employment. In accordance with applicable Form 4 reporting requirements, the foregoing excludes 130,061 LTIP Units also granted on March 17, 2017 that are scheduled to vest conditioned on the achievement of certain performance criteria based on the Issuer's relative total return to shareholders measured against two different industry-specific indices."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":43353,"derivative":{"underlying":"Class A Common Stock","underlying_shares":43353},"source":{"system":"sec-edgar","filing":"0001209191-17-022043","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919117022043/doc4.xml","form_type":"4"}},{"id":4376116,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Dir. of Leasing & Op."}}],"security":"LTIP Units","published_at":"2017-03-21T20:30:25.000Z","date":"2017-03-17","kind":"grant","acquired":true,"shares":57621,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2017, subject to continued employment through such dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units vest 25% ratably on each of the first four anniversaries of January 1, 2017, subject to continued employment through such dates."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents long term incentive plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). Conditioned upon sufficient allocations to the capital accounts of the LTIP Units for federal income tax purposes, LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":451096,"derivative":{"underlying":"Class A Common Stock","underlying_shares":57621},"source":{"system":"sec-edgar","filing":"0001209191-17-022043","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919117022043/doc4.xml","form_type":"4"}},{"id":4489650,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Dir. of Leasing & Op."}}],"security":"LTIP Units","published_at":"2017-01-17T23:12:15.000Z","date":"2017-01-12","kind":"grant","acquired":true,"shares":16704,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units were earned based on the achievement of certain performance criteria based on the Issuer's total return to shareholders and the Issuer's relative total return to shareholders during a three-year performance period which ended on December 31, 2016.  50% of such earned LTIP units fully vested on January 1, 2017, and the remaining 50% of such earned LTIP units will vest on January 1, 2018, subject to continued employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned based on the achievement of certain performance criteria based on the Issuer's total return to shareholders and the Issuer's relative total return to shareholders during a three-year performance period which ended on December 31, 2016.  50% of such earned LTIP units fully vested on January 1, 2017, and the remaining 50% of such earned LTIP units will vest on January 1, 2018, subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":16704,"derivative":{"underlying":"Class A Common Stock","underlying_shares":16704},"source":{"system":"sec-edgar","filing":"0001209191-17-003946","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919117003946/doc4.xml","form_type":"4"}},{"id":4575447,"issuer":{"id":4759,"kind":"organization","name":"Empire State Realty Trust, Inc.","symbol":"ESRT"},"owners":[{"id":59851,"kind":"person","name":"Durels Thomas P.","position":1,"cik":"0001587455","reported_name":"Durels Thomas P.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"EVP, Dir. of Leasing & Op."}}],"security":"LTIP Units","published_at":"2016-10-24T20:02:30.000Z","date":"2016-10-21","kind":"grant","acquired":true,"shares":76096,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"shares","element":"transactionShares","label":"F2","text":"These LTIP Units were earned based on the achievement of certain performance criteria based on the Issuer's total return to shareholders and the Issuer's relative total return to shareholders during a three-year performance period which ended on October 2, 2016.  50% of such earned LTIP units are fully vested (the applicable service requirement through the three-year anniversary of the grant date having been satisfied) and the remaining 50% of such earned LTIP units will vest on October 7, 2017 (the four-year anniversary of the grant date), subject to continued employment."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"These LTIP Units were earned based on the achievement of certain performance criteria based on the Issuer's total return to shareholders and the Issuer's relative total return to shareholders during a three-year performance period which ended on October 2, 2016.  50% of such earned LTIP units are fully vested (the applicable service requirement through the three-year anniversary of the grant date having been satisfied) and the remaining 50% of such earned LTIP units will vest on October 7, 2017 (the four-year anniversary of the grant date), subject to continued employment."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Represents long term investment plan units (\"LTIP Units\"), a class of units of Empire State Realty OP, L.P. (the \"Operating Partnership\"). The LTIP Units are convertible by the reporting person, upon vesting, into an equivalent number of units of limited partnership interests (\"Operating Partnership Units\") of the Operating Partnership, which are redeemable by the holder for shares of Class A Common Stock of Empire State Realty Trust, Inc. (the \"Issuer\") on a one-for-one basis or the cash value of such shares, at the Issuer's option. The rights to convert LTIP units into Operating Partnership Units and redeem Operating Partnership Units do not have expiration dates."}],"balance_after":76096,"derivative":{"underlying":"Class A Common Stock","underlying_shares":76096},"source":{"system":"sec-edgar","filing":"0001209191-16-146725","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1541401/000120919116146725/doc4.xml","form_type":"4"}}]}