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Consolidated Statements of Changes in Stockholders' Equity and Redeemable Noncontrolling Interests - USD ($) $ in Thousands | Total | Cumulative Effect, Period of Adoption, Adjustment | Cumulative Effect, Period of Adoption, Adjusted Balance | Common Stock [Member] | Common Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Additional Paid-In-Capital [Member] | Additional Paid-In-Capital [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Retained Earnings [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Accumulated Other Comprehensive Income (Loss), Net of Tax [Member] | Accumulated Other Comprehensive Income (Loss), Net of Tax [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Class A Common Stock Held By Subsidiaries [Member] | Class A Common Stock Held By Subsidiaries [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Total Lazard Ltd Stockholders' Equity [Member] | Total Lazard Ltd Stockholders' Equity [Member] Cumulative Effect, Period of Adoption, Adjustment | Total Lazard Ltd Stockholders' Equity [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Noncontrolling Interests [Member] | Noncontrolling Interests [Member] Cumulative Effect, Period of Adoption, Adjusted Balance | Redeemable Noncontrolling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 681,574 | $ (7,575) | $ 673,999 | $ 1,128 |  | $ 1,128 |  | $ 41,020 | $ 41,020 | $ 1,193,570 | $ (7,575) | $ 1,185,995 | $ (293,648) | $ (293,648) | $ (332,079) | $ (332,079) | $ 609,991 | $ (7,575) | $ 602,416 | $ 71,583 | $ 71,583 |
Balance (in shares) at Dec. 31, 2019 |  |  |  | 112,766,091 | [1] | 112,766,091 | [1] |  |  |  |  |  |  |  | 8,513,493 | 8,513,493 |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 402,692 |  |  |  |  |  |  |  |  | 402,461 |  |  |  |  |  |  | 402,461 |  |  | 231 |  |
Other comprehensive income- net of tax | 55,282 |  |  |  |  |  |  |  |  |  |  |  | 55,280 |  |  |  | 55,280 |  |  | 2 |  |
Amortization of share-based incentive compensation | 218,449 |  |  |  |  |  |  | 215,122 |  |  |  |  |  |  |  |  | 215,122 |  |  | 3,327 |  |
Dividend equivalents | (7,013) |  |  |  |  |  |  | 20,187 |  | (22,457) |  |  |  |  |  |  | (2,270) |  |  | (4,743) |  |
Class A common stock dividends | (196,598) |  |  |  |  |  |  |  |  | (196,598) |  |  |  |  |  |  | (196,598) |  |  |  |  |
Purchase of Class A common stock | $ (95,227) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (95,227) |  | (95,227) |  |  |  |  |
Purchase of Class A common stock (in shares) | 2,912,035 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,912,035 |  |  |  |  |  |  |
Delivery of Class A common stock in connection with share-based incentive compensation and related tax expense (benefit) | $ (71,626) |  |  |  |  |  |  | (142,195) |  | (74,228) |  |  |  |  | $ 144,797 |  | (71,626) |  |  |  |  |
Delivery of Class A common stock in connection with share-based incentive compensation and related tax expense (benefit) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,675,812) |  |  |  |  |  |  |
Business acquisitions and related equity transactions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class A common stock issuable (including related amortization) | 147 |  |  |  |  |  |  | 147 |  |  |  |  |  |  |  |  | 147 |  |  |  |  |
Delivery of Class A common stock |  |  |  |  |  |  |  | (696) |  |  |  |  |  |  | $ 696 |  |  |  |  |  |  |
Delivery of Class A common stock and related tax benefit (expense) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (21,329) |  |  |  |  |  |  |
Dividend equivalents |  |  |  |  |  |  |  | 1,854 |  | (1,854) |  |  |  |  |  |  |  |  |  |  |  |
Distributions to noncontrolling interests, net | (2,438) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (2,438) |  |
LFI Consolidated Funds | 19,699 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,699 |  |
Other | 2,067 |  |  |  |  |  |  |  |  | 2,067 |  |  |  |  |  |  | 2,067 |  |  |  |  |
Balance at Dec. 31, 2020 | 999,433 |  |  | $ 1,128 |  |  |  | 135,439 |  | 1,295,386 |  |  | (238,368) |  | $ (281,813) |  | 911,772 |  |  | 87,661 |  |
Balance (in shares) at Dec. 31, 2020 |  |  |  | 112,766,091 | [1] |  |  |  |  |  |  |  |  |  | 7,728,387 |  |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 546,210 |  |  |  |  |  |  |  |  | 528,064 |  |  |  |  |  |  | 528,064 |  |  | 18,146 |  | $ (3,665)
Other comprehensive income- net of tax | 14,521 |  |  |  |  |  |  |  |  |  |  |  | 14,521 |  |  |  | 14,521 |  |  |  |  |
Amortization of share-based incentive compensation | 233,958 |  |  |  |  |  |  | 224,692 |  |  |  |  |  |  |  |  | 224,692 |  |  | 9,266 |  |
Dividend equivalents | (8,359) |  |  |  |  |  |  | 17,472 |  | (18,907) |  |  |  |  |  |  | (1,435) |  |  | (6,924) |  |
Class A common stock dividends | (195,944) |  |  |  |  |  |  |  |  | (195,944) |  |  |  |  |  |  | (195,944) |  |  |  |  |
Purchase of Class A common stock | $ (406,149) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (406,149) |  | (406,149) |  |  |  |  |
Purchase of Class A common stock (in shares) | 9,124,295 |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,124,295 |  |  |  |  |  |  |
Delivery of Class A common stock in connection with share-based incentive compensation and related tax expense (benefit) | $ (69,552) |  |  |  |  |  |  | (166,301) |  | (47,902) |  |  |  |  | $ 144,651 |  | (69,552) |  |  |  |  |
Delivery of Class A common stock in connection with share-based incentive compensation and related tax expense (benefit) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,788,494) |  |  |  |  |  |  |
Business acquisitions and related equity transactions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Delivery of Class A common stock |  |  |  |  |  |  |  | (35,885) |  |  |  |  |  |  | $ 35,885 |  |  |  |  |  |  |
Delivery of Class A common stock and related tax benefit (expense) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,018,048) |  |  |  |  |  |  |
Dividend equivalents |  |  |  |  |  |  |  | 61 |  | (61) |  |  |  |  |  |  |  |  |  |  |  |
Distributions to noncontrolling interests, net | (11,064) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (11,064) |  |
LFI Consolidated Funds | 18,832 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,832 |  |
Contribution from redeemable noncontrolling interest, net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 534,746
Change in redemption value of redeemable noncontrolling interests | (43,919) |  |  |  |  |  |  | (30,749) |  |  |  |  |  |  |  |  | (30,749) |  |  | (13,170) |  | 43,919
Other | (3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3) |  |
Balance at Dec. 31, 2021 | 1,077,964 |  |  | $ 1,128 |  |  |  | 144,729 |  | 1,560,636 |  |  | (223,847) |  | $ (507,426) |  | 975,220 |  |  | 102,744 |  | 575,000
Balance (in shares) at Dec. 31, 2021 |  |  |  | 112,766,091 | [1] |  |  |  |  |  |  |  |  |  | 12,046,140 |  |  |  |  |  |  |
Comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) | 378,471 |  |  |  |  |  |  |  |  | 357,517 |  |  |  |  |  |  | 357,517 |  |  | 20,954 |  | 14,012
Other comprehensive income- net of tax | (72,007) |  |  |  |  |  |  |  |  |  |  |  | (72,007) |  |  |  | (72,007) |  |  |  |  |
Amortization of share-based incentive compensation | 240,641 |  |  |  |  |  |  | 227,177 |  |  |  |  |  |  |  |  | 227,177 |  |  | 13,464 |  |
Dividend equivalents | (10,872) |  |  |  |  |  |  | 18,026 |  | (19,001) |  |  |  |  |  |  | (975) |  |  | (9,897) |  |
Class A common stock dividends | (181,880) |  |  |  |  |  |  |  |  | (181,880) |  |  |  |  |  |  | (181,880) |  |  |  |  |
Purchase of Class A common stock | $ (691,705) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (691,705) |  | (691,705) |  |  |  |  |
Purchase of Class A common stock (in shares) | 19,666,798 |  |  |  |  |  |  |  |  |  |  |  |  |  | 19,666,798 |  |  |  |  |  |  |
Delivery of Class A common stock in connection with share-based incentive compensation and related tax expense (benefit) | $ (55,477) |  |  |  |  |  |  | (224,383) |  | (40,559) |  |  |  |  | $ 205,957 |  | (58,985) |  |  | 3,508 |  |
Delivery of Class A common stock in connection with share-based incentive compensation and related tax expense (benefit) (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,906,386 |  |  |  |  |  |  |
Business acquisitions and related equity transactions: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Distributions to noncontrolling interests, net | (31,537) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (31,537) |  |
LFI Consolidated Funds | 18,279 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,279 |  |
Change in redemption value of redeemable noncontrolling interests | 5,541 |  |  |  |  |  |  | 3,879 |  |  |  |  |  |  |  |  | 3,879 |  |  | 1,662 |  | (5,541)
Other | (2,019) |  |  |  |  |  |  | (1,538) |  |  |  |  |  |  | $ (240) |  | (1,778) |  |  | (241) |  |
Other (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,661 |  |  |  |  |  |  |
Balance at Dec. 31, 2022 | $ 675,399 |  |  | $ 1,128 |  |  |  | $ 167,890 |  | $ 1,676,713 |  |  | $ (295,854) |  | $ (993,414) |  | $ 556,463 |  |  | $ 118,936 |  | $ 583,471
Balance (in shares) at Dec. 31, 2022 |  |  |  | 112,766,091 | [1] |  |  |  |  |  |  |  |  |  | 26,814,213 |  |  |  |  |  |  |
[1] | Includes 112,766,091 shares of the Company’s Class A common stock issued at December 31, 2022, 2021 and 2020.

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