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Class A Common Stock (\"Common Stock\")."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs, representing a contingent right to receive a total of 2,163 shares of Common Stock, were granted to the Reporting Person on November 4, 2022 and vest on May 19, 2023, the anniversary of the 2022 annual meeting of Stockholders of Ameresco, Inc."}],"balance_after":0,"derivative":{"exercise_date":"2023-05-19","underlying":"Class A Common Stock","underlying_shares":2163},"source":{"system":"sec-edgar","filing":"0001488139-23-000093","document":"wf-form4_168487824893172.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813923000093/wf-form4_168487824893172.xml","form_type":"4"}},{"id":1881051,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2023-05-23T21:44:22.000Z","date":"2023-05-19","kind":"exercise","planned":false,"acquired":true,"shares":2163,"price":0,"value":0.0,"ownership":{"direct":true},"balance_after":14163,"source":{"system":"sec-edgar","filing":"0001488139-23-000093","document":"wf-form4_168487824893172.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813923000093/wf-form4_168487824893172.xml","form_type":"4"}},{"id":2123406,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Restricted Stock Unit","published_at":"2022-11-07T23:19:34.000Z","date":"2022-11-04","kind":"grant","acquired":true,"shares":2163,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"Each RSU represents a contingent right to receive one share of Ameresco, Inc. Class A Common Stock (\"Common Stock\")."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The RSUs, representing a contingent right to receive a total of 2,163 shares of Common Stock, were granted to the Reporting Person on November 4, 2022 and vest on May 19, 2023, the anniversary of the 2022 annual meeting of Stockholders of Ameresco, Inc."}],"balance_after":2163,"derivative":{"exercise_date":"2023-05-19","underlying":"Class A Common Stock","underlying_shares":2163},"source":{"system":"sec-edgar","filing":"0001488139-22-000116","document":"wf-form4_166786315812046.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813922000116/wf-form4_166786315812046.xml","form_type":"4"}},{"id":2344369,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to puchase)","published_at":"2022-03-08T22:48:52.000Z","date":"2022-03-04","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"On August 6, 2019, the reporting person was granted an option to purchase 30,000 shares of Class A common stock. The option vested based on continued service to Ameresco, Inc. and performance relative to goals established for the three-year performance period from January 1, 2019 to December 31, 2021. 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These shares were purchased in multiple transactions at prices ranging from $14.08 to $14.22, inclusive. The reporting person undertakes to provide to Ameresco, Inc., any security holder of Ameresco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1) to this Form 4."}],"balance_after":12000,"source":{"system":"sec-edgar","filing":"0001488139-19-000074","document":"wf-form4_156581632757398.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813919000074/wf-form4_156581632757398.xml","form_type":"4"}},{"id":3510262,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to purchase)","published_at":"2019-05-28T20:15:21.000Z","date":"2019-05-23","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Of the shares subject to the option, 20% vest on May 23, 2020, and the remainder vest in four equal installments on each of the subsequent four anniversaries of such date."}],"balance_after":10000,"derivative":{"exercise_price":15.37,"expiration_date":"2029-05-22","underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001488139-19-000056","document":"wf-form4_155907450705365.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813919000056/wf-form4_155907450705365.xml","form_type":"4"}},{"id":3743574,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2018-12-04T21:42:38.000Z","date":"2018-12-03","kind":"purchase","acquired":true,"shares":2000,"price":15.5,"value":31000.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $15.46 to $15.50, inclusive. The reporting person undertakes to provide to Ameresco, Inc., any security holder of Ameresco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1) to this Form 4."}],"balance_after":8000,"source":{"system":"sec-edgar","filing":"0001488139-18-000094","document":"wf-form4_154395974127033.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813918000094/wf-form4_154395974127033.xml","form_type":"4"}},{"id":3915435,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to purchase)","published_at":"2018-05-29T20:14:04.000Z","date":"2018-05-24","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Of the shares subject to the option, 20% vest on May 24, 2019, and the remainder vest in four equal installments on each of the subsequent four anniversaries of such date."}],"balance_after":10000,"derivative":{"exercise_price":11.55,"expiration_date":"2028-05-23","underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001488139-18-000048","document":"wf-form4_152762483103540.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813918000048/wf-form4_152762483103540.xml","form_type":"4"}},{"id":4220656,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Class A Common Stock","published_at":"2017-08-31T20:44:38.000Z","date":"2017-08-29","kind":"purchase","acquired":true,"shares":2000,"price":7.445,"value":14890.0,"ownership":{"direct":true},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $7.40 to $7.45, inclusive. The reporting person undertakes to provide to Ameresco, Inc., any security holder of Ameresco, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote (1) to this Form 4."}],"balance_after":6000,"source":{"system":"sec-edgar","filing":"0001488139-17-000053","document":"wf-form4_150421226549526.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813917000053/wf-form4_150421226549526.xml","form_type":"4"}},{"id":4272573,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to purchase)","published_at":"2017-06-26T20:44:48.000Z","date":"2017-06-01","kind":"grant","acquired":true,"shares":10000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Of the shares subject to the option, 20% vest on June 1, 2018, and the remainder vest in four equal installments on each of the subsequent four anniversaries of such date."}],"balance_after":10000,"derivative":{"exercise_price":6.8,"expiration_date":"2027-05-31","underlying":"Class A Common Stock","underlying_shares":10000},"source":{"system":"sec-edgar","filing":"0001488139-17-000036","document":"wf-form4_149850987439118.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813917000036/wf-form4_149850987439118.xml","form_type":"4"}},{"id":4388665,"issuer":{"id":4847,"kind":"organization","name":"Ameresco, Inc.","symbol":"AMRC"},"owners":[{"id":19469,"kind":"person","name":"Miller Jennifer L","position":1,"cik":"0001633385","reported_name":"Miller Jennifer L","relationship":{"director":true,"officer":false,"ten_percent_owner":false,"other":false}}],"security":"Stock Option (right to puchase)","published_at":"2017-03-13T21:11:55.000Z","date":"2017-03-09","kind":"grant","acquired":true,"shares":30000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The shares subject to the option vest fully upon the earlier of (a) the company achieving adjusted EBITDA of at least $100 million or (b) the three year anniversary of the grant."}],"balance_after":30000,"derivative":{"exercise_price":5.8,"exercise_date":"2020-03-09","expiration_date":"2027-03-08","underlying":"Class A Common Stock","underlying_shares":30000},"source":{"system":"sec-edgar","filing":"0001488139-17-000012","document":"wf-form4_148943950104135.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1488139/000148813917000012/wf-form4_148943950104135.xml","form_type":"4"}}]}