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2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Of these RSUs, 313 will vest on or around March 1, 2019, 196 will vest on or around March 2, 2020, and 263 will vest on or around March 1, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount excludes 66,218 shares of Class A Common Stock and 15,672 shares of Restricted Class A Common Stock directly or indirectly beneficially owned by the reporting person."}],"balance_after":51167,"derivative":{"underlying":"Class A Common Stock","underlying_shares":772},"source":{"system":"sec-edgar","filing":"0001209191-18-059326","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1717489/000120919118059326/doc4.xml","form_type":"4"}},{"id":3837269,"issuer":{"id":4031,"kind":"organization","name":"Lazard, 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contingent right to receive one share of Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Of these RSUs, 241 will vest on or around March 1, 2019, 151 will vest on or around March 2, 2020, and 204 will vest on or around March 1, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Of these RSUs, 241 will vest on or around March 1, 2019, 151 will vest on or around March 2, 2020, and 204 will vest on or around March 1, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount excludes 66,218 shares of Class A Common Stock and 15,672 shares of Restricted Class A Common Stock directly or indirectly beneficially owned by the reporting person."}],"balance_after":50395,"derivative":{"underlying":"Class A Common 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provisions of underlying Performance-based Restricted Stock Unit (\"PRSU\") and RSU awards."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU represents a contingent right to receive one share of Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Of these RSUs, 214 will vest on or around March 1, 2019, 133 will vest on or around March 2, 2020, and 180 will vest on or around March 1, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Of these RSUs, 214 will vest on or around March 1, 2019, 133 will vest on or around March 2, 2020, and 180 will vest on or around March 1, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount 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provisions of underlying Performance-based Restricted Stock Unit (\"PRSU\") and RSU awards."},{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F2","text":"Each RSU represents a contingent right to receive one share of Class A Common Stock."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each RSU represents a contingent right to receive one share of Class A Common Stock."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F3","text":"Of these RSUs, 641 will vest on or around March 1, 2018, 826 will vest on or around March 1, 2019, 517 will vest on or around March 2, 2020 and 698 will vest on or around March 1, 2021."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Of these RSUs, 641 will vest on or around March 1, 2018, 826 will vest on or around March 1, 2019, 517 will vest on or around March 2, 2020 and 698 will vest on or around March 1, 2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount excludes 51,554 shares of Class A Common Stock and 25,641 shares of Restricted Class A Common Stock directly or indirectly beneficially owned by the reporting person."}],"balance_after":69867,"derivative":{"underlying":"Class A Common Stock","underlying_shares":2682},"source":{"system":"sec-edgar","filing":"0001209191-18-013566","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1717489/000120919118013566/doc4.xml","form_type":"4"}},{"id":4070569,"issuer":{"id":4031,"kind":"organization","name":"Lazard, Inc."},"owners":[{"id":75515,"kind":"person","name":"Russo Evan L","position":1,"cik":"0001717489","reported_name":"Russo Evan L","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted 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2021."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Amount excludes (a) 51,554 shares of Class A Common Stock directly or indirectly beneficially owned outright by the reporting person and (b) 25,641 shares of restricted Class A Common Stock directly or indirectly beneficially owned by the reporting person."}],"balance_after":67185,"derivative":{"underlying":"Class A Common Stock","underlying_shares":8160},"source":{"system":"sec-edgar","filing":"0001209191-18-008529","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1717489/000120919118008529/doc4.xml","form_type":"4"}},{"id":4154512,"issuer":{"id":4031,"kind":"organization","name":"Lazard, Inc."},"owners":[{"id":75515,"kind":"person","name":"Russo Evan L","position":1,"cik":"0001717489","reported_name":"Russo Evan 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around March 1, 2018, 227 will vest on or around March 1, 2019, and 118 will vest on or around March 2, 2020."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F3","text":"Of these RSUs, 176 will vest on or around March 1, 2018, 227 will vest on or around March 1, 2019, and 118 will vest on or around March 2, 2020."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Amount excludes 51,554 shares of Class A Common Stock and 25,641 shares of Restricted Class A Common Stock directly or indirectly beneficially owned by the reporting person."}],"balance_after":59025,"derivative":{"underlying":"Class A Common Stock","underlying_shares":521},"source":{"system":"sec-edgar","filing":"0001209191-17-062166","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1717489/000120919117062166/doc4.xml","form_type":"4"}}]}