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Net Income (Loss) Per Share of Common Stock (Tables) | 12 Months Ended
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Dec. 31, 2023
Earnings Per Share [Abstract] |
Schedule of Company's Basic and Diluted Net Income Per Share and Weighted Average Shares Outstanding | The Company’s basic and diluted net income (loss) per share calculations using the “two-class” method for the years ended December 31, 2023, 2022, and 2021 are presented below:
| Year Ended December 31,
| 2023 |  | 2022 |  | 2021
Net income (loss) attributable to Lazard Ltd | $ | (75,479) |  |  | $ | 357,517 |  |  | $ | 528,064 |
Add - adjustment for earnings attributable to participating securities | (4,440) |  |  | (5,732) |  |  | (8,647) |
Net income (loss) attributable to Lazard Ltd - basic | (79,919) |  |  | 351,785 |  |  | 519,417 |
Add - adjustment for earnings attributable to participating securities | – |  |  | 2,641 |  |  | 7,068 |
Net income (loss) attributable to Lazard Ltd - diluted | $ | (79,919) |  |  | $ | 354,426 |  |  | $ | 526,485 |
Weighted average number of shares of common stock outstanding | 86,751,822 |  | 93,994,663 |  | 104,166,347
Add - adjustment for shares of common stock issuable on a non-contingent basis | 2,242,163 |  | 1,669,466 |  | 1,869,461
Weighted average number of shares of common stock outstanding - basic | 88,993,985 |  | 95,664,129 |  | 106,035,808
Add - dilutive effect, as applicable, of: |  |  |  |  |
Weighted average number of incremental shares of common stock issuable from share-based incentive compensation (a) | – |  | 5,333,545 |  | 7,638,891
Weighted average number of shares of common stock outstanding - diluted | 88,993,985 |  | 100,997,674 |  | 113,674,699
Net income (loss) attributable to Lazard Ltd per share of common stock: |  |  |  |  |
Basic | $ | (0.90) |  |  | $ | 3.68 |  |  | $ | 4.90 |
Diluted | $ | (0.90) |  |  | $ | 3.51 |  |  | $ | 4.63 |
_____________________ (a)The aggregate weighted average number of incremental shares of common stock issuable from RSUs, PRSUs and PIPRs for the year ended December 31, 2023 of 4,779,627, that could be potentially dilutive in future periods, have been excluded from the computation of diluted net loss per share as the effect would be antidilutive in the current periods.

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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