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The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on February 24, 2016 (and dividend equivalents subsequently issued thereon). 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The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on April 15, 2014 (and dividend equivalents subsequently issued thereon). 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Each Group LP Class A partnership unit is exchangeable for a share of Moelis & Company Class A common stock (subject to customary adjustments), or cash, at Group LP's option."},{"field":"security","element":"securityTitle","label":"F4","text":"Represents transaction by Family Trust Created Under the J. Richard Leaman III 2010 Grantor Retained Annuity Trust , of which Mr. Leaman's children are the primary beneficiaries. Mr. Leaman may have indirect voting and dispositive power over the assets of the trust as a result of his relationship to the trustee"},{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the public offering of Moelis & Company common stock closed on July 28, 2017, Moelis & Company purchased such Partnership Interests from the reporting person using the proceeds of the offering. 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The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."}],"balance_after":43885.37,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":423.18},"source":{"system":"sec-edgar","filing":"0001179110-17-004971","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017004971/edgar.xml","form_type":"4"}},{"id":4423995,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"2016 Incentive RSUs","published_at":"2017-02-24T21:48:15.000Z","date":"2017-02-23","kind":"grant","acquired":true,"shares":11885,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F5","text":"Each 2016 Incentive RSU represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount in cash equal to the fair market value of such share. Grant of Restricted Stock Units pursuant to the Moelis & Company 2014 Omnibus Incentive Plan."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F5","text":"Each 2016 Incentive RSU represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount in cash equal to the fair market value of such share. Grant of Restricted Stock Units pursuant to the Moelis & Company 2014 Omnibus Incentive Plan."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F6","text":"The 2016 Incentive Restricted Stock Units vest in equal installments on February 23, 2018, February 23, 2019, February 23, 2020, February 23, 2021, and February 23, 2022."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F6","text":"The 2016 Incentive Restricted Stock Units vest in equal installments on February 23, 2018, February 23, 2019, February 23, 2020, February 23, 2021, and February 23, 2022."}],"balance_after":11885,"derivative":{"underlying":"Class A Common 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February 22, 2017."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The RSUs were settled for Class A common stock on February 22, 2017."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"The RSUs were settled for Class A common stock on February 22, 2017."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"The RSUs were settled for Class A common stock on February 22, 2017."}],"balance_after":40371.4371,"derivative":{"underlying":"Class A Common Stock","underlying_shares":10092.0546},"source":{"system":"sec-edgar","filing":"0001179110-17-003139","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017003139/edgar.xml","form_type":"4"}},{"id":4423993,"issuer":{"id":3898,"kind":"organization","name":"Moelis & 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$36.99."}],"balance_after":10092,"source":{"system":"sec-edgar","filing":"0001179110-17-003139","document":"edgar.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017003139/edgar.xml","form_type":"4"}},{"id":4423991,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"Class A Common Stock","published_at":"2017-02-24T21:48:15.000Z","date":"2017-02-22","kind":"grant","acquired":true,"shares":10092.0546,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Shares of Class A Common Stock were acquired upon settlement of 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Trust"},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents partnership interest in Moelis & Company Partner Holdings LP (\"Partner Holdings\") which are exchangeable for Class A partnership units in Moelis & Company Group LP (\"Group LP\"). Each Group LP Class A partnership unit is exchangeable for a share of Moelis & Company Class A common stock (subject to customary adjustments), or cash, at Group LP's option."},{"field":"security","element":"securityTitle","label":"F5","text":"Represents transaction by Family Trust Created Under the J. Richard Leaman III 2010 Grantor Retained Annuity Trust , of which Mr. Leaman's children are the primary beneficiaries. Mr. Leaman may have indirect voting and dispositive power over the assets of the trust as a result of his relationship to the trustee"},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The reporting person has reimbursed the purchaser, Moelis & Company, out of this price an underwriting discount of $1.14625 per share paid by Moelis & Company to the underwriters in connection with the offering."},{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the public offering of Moelis & Company common stock (and the exercise of the underwriters' option to purchase additional shares of common stock from the Company) closed on January 11, 2017, Moelis & Company purchased such Partnership Interests from the reporting person using the proceeds of the offering. The transaction was approved by the Company's board of directors pursuant to rule 16b-3."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reporting person has reimbursed the purchaser, Moelis & Company, out of this price an underwriting discount of $1.14625 per share paid by Moelis & Company to the underwriters in connection with the offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to Group LP's agreement of limited partnership, Group LP Class A partnership units held by the reporting person are not exchangeable for Moelis & Company Class A common stock until the expiration or waiver of certain lock-up periods, commencing on the fourth anniversary of the closing of the initial public offering of Moelis & Company Class A common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to Group LP's agreement of limited partnership, Group LP Class A partnership units held by the reporting person are not exchangeable for Moelis & Company Class A common stock until the expiration or waiver of certain lock-up periods, commencing on the fourth anniversary of the closing of the initial public offering of Moelis & Company Class A common stock."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Represents transaction by Family Trust Created Under the J. Richard Leaman III 2010 Grantor Retained Annuity Trust , of which Mr. Leaman's children are the primary beneficiaries. Mr. Leaman may have indirect voting and dispositive power over the assets of the trust as a result of his relationship to the trustee"}],"balance_after":70865,"derivative":{"exercise_price":32.75,"underlying":"Class A Common Stock, par value $0.01","underlying_shares":14853},"source":{"system":"sec-edgar","filing":"0001179110-17-000936","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017000936/edgar.xml","form_type":"4"}},{"id":4490861,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"Partnership Interests","published_at":"2017-01-13T22:10:10.000Z","date":"2017-01-11","kind":"disposition_to_issuer","acquired":true,"shares":113854,"price":32.75,"value":3728718.5,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"Represents partnership interest in Moelis & Company Partner Holdings LP (\"Partner Holdings\") which are exchangeable for Class A partnership units in Moelis & Company Group LP (\"Group LP\"). Each Group LP Class A partnership unit is exchangeable for a share of Moelis & Company Class A common stock (subject to customary adjustments), or cash, at Group LP's option."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F4","text":"The reporting person has reimbursed the purchaser, Moelis & Company, out of this price an underwriting discount of $1.14625 per share paid by Moelis & Company to the underwriters in connection with the offering."},{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the public offering of Moelis & Company common stock (and the exercise of the underwriters' option to purchase additional shares of common stock from the Company) closed on January 11, 2017, Moelis & Company purchased such Partnership Interests from the reporting person using the proceeds of the offering. The transaction was approved by the Company's board of directors pursuant to rule 16b-3."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The reporting person has reimbursed the purchaser, Moelis & Company, out of this price an underwriting discount of $1.14625 per share paid by Moelis & Company to the underwriters in connection with the offering."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Pursuant to Group LP's agreement of limited partnership, Group LP Class A partnership units held by the reporting person are not exchangeable for Moelis & Company Class A common stock until the expiration or waiver of certain lock-up periods, commencing on the fourth anniversary of the closing of the initial public offering of Moelis & Company Class A common stock."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Pursuant to Group LP's agreement of limited partnership, Group LP Class A partnership units held by the reporting person are not exchangeable for Moelis & Company Class A common stock until the expiration or waiver of certain lock-up periods, commencing on the fourth anniversary of the closing of the initial public offering of Moelis & Company Class A common stock."}],"balance_after":543182,"derivative":{"exercise_price":32.75,"underlying":"Class A Common Stock, par value $0.01","underlying_shares":113854},"source":{"system":"sec-edgar","filing":"0001179110-17-000936","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017000936/edgar.xml","form_type":"4"}},{"id":4494880,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"2015 Incentive RSUs","published_at":"2017-01-09T22:26:42.000Z","date":"2017-01-05","kind":"grant","acquired":true,"shares":1810.02,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount of cash equal to the fair market value of such share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on February 24, 2016 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on February 24, 2016 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."}],"balance_after":50463.49,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":1810.02},"source":{"system":"sec-edgar","filing":"0001179110-17-000797","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017000797/edgar.xml","form_type":"4"}},{"id":4494879,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"2014 Incentive RSUs Granted in 2015","published_at":"2017-01-09T22:26:42.000Z","date":"2017-01-05","kind":"grant","acquired":true,"shares":1805.71,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount of cash equal to the fair market value of such share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on March 2, 2015 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on March 2, 2015 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."}],"balance_after":50343.25,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":1805.71},"source":{"system":"sec-edgar","filing":"0001179110-17-000797","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017000797/edgar.xml","form_type":"4"}},{"id":4494878,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"2014 Incentive Restricted Stock Units","published_at":"2017-01-09T22:26:42.000Z","date":"2017-01-05","kind":"grant","acquired":true,"shares":1558.9,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount of cash equal to the fair market value of such share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on April 15, 2014 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on April 15, 2014 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."}],"balance_after":43462.18,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":1558.9},"source":{"system":"sec-edgar","filing":"0001179110-17-000797","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911017000797/edgar.xml","form_type":"4"}},{"id":4526742,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"2015 Incentive RSUs","published_at":"2016-12-09T21:12:55.000Z","date":"2016-12-07","kind":"grant","acquired":true,"shares":515.19,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount of cash equal to the fair market value of such share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F4","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on February 24, 2016 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F4","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on February 24, 2016 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."}],"balance_after":48653.46,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":515.19},"source":{"system":"sec-edgar","filing":"0001179110-16-032684","document":"edgar.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1596967/000117911016032684/edgar.xml","form_type":"4"}},{"id":4526741,"issuer":{"id":3898,"kind":"organization","name":"Moelis & Co","symbol":"MC"},"owners":[{"id":107912,"kind":"person","name":"LEAMAN J RICHARD III","position":1,"cik":"0001604750","reported_name":"LEAMAN J RICHARD III","relationship":{"director":true,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"MD & Vice Chairman"}}],"security":"2014 Incentive RSUs Granted in 2015","published_at":"2016-12-09T21:12:55.000Z","date":"2016-12-07","kind":"grant","acquired":true,"shares":513.96,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each Restricted Stock Unit represents the right to receive upon settlement either, at Moelis & Company's option, a share of Class A common stock or an amount of cash equal to the fair market value of such share."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on March 2, 2015 (and dividend equivalents subsequently issued thereon). The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on March 2, 2015 (and dividend equivalents subsequently issued thereon). 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The dividend equivalent Incentive RSUs will vest concurrently with the vesting of the unvested underlying Incentive RSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"Incentive RSUs were issued as dividend equivalents on holder's unvested underlying Incentive RSUs issued on April 15, 2014 (and dividend equivalents subsequently issued thereon). 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