Net Income Per Share of Common Stock (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Company's Basic and Diluted Net Income Per Share and Weighted Average Shares Outstanding

The Company’s basic and diluted net income per share calculations using the “two-class” method for the three month periods ended March 31, 2021 and 2020 are presented below:

	Three Months Ended March 31,
	2021			2020
Net income attributable to Lazard Ltd	$	87,300		$	64,022
Add - adjustment for earnings attributable to participating    securities		(1,292	)		(1,013	)
Net income attributable to Lazard Ltd - basic		86,008			63,009
Add - adjustment for earnings attributable to participating    securities		1,292			1,013
Net income attributable to Lazard Ltd - diluted	$	87,300		$	64,022
Weighted average number of shares of common    stock outstanding		105,545,273			104,462,177
Add - adjustment for shares of common stock    issuable on a non-contingent basis		1,746,287			1,841,785
Weighted average number of shares of common    stock outstanding - basic		107,291,560			106,303,962
Add - dilutive effect, as applicable, of:
Weighted average number of incremental shares of    common stock issuable from share-based    incentive compensation		8,530,734			7,816,217
Weighted average number of shares of common stock    outstanding - diluted		115,822,294			114,120,179
Net income attributable to Lazard Ltd per share of common stock:
Basic	$	0.80		$	0.59
Diluted	$	0.75		$	0.56