Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement Of Income And Comprehensive Income [Abstract]
NET INCOME	$ 120,975	$ 90,826
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX:
Currency translation adjustments	(18,068)	(19,743)
Employee benefit plans:
Actuarial gain (net of tax expense of $788 and $762 for the three months ended March 31, 2022 and 2021, respectively	3,439	1,065
Adjustment for items reclassified to earnings (net of tax expense of $267 and $381 for the three months ended March 31, 2022 and 2021, respectively)	849	1,336
OTHER COMPREHENSIVE LOSS, NET OF TAX	(13,780)	(17,342)
COMPREHENSIVE INCOME	107,195	73,484
LESS - COMPREHENSIVE INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	7,098	3,527
COMPREHENSIVE INCOME ATTRIBUTABLE TO LAZARD LTD	$ 100,097	$ 69,957