Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
REVENUE
Interest income	$ 8,148	$ 1,276	$ 13,971	$ 3,910
Other	4,988	27,963	(2,926)	82,090
Total revenue	746,431	737,807	2,123,233	2,260,975
Interest expense	19,687	20,378	62,051	60,302
Net revenue	726,744	717,429	2,061,182	2,200,673
OPERATING EXPENSES
Compensation and benefits	420,937	419,627	1,181,608	1,336,091
Occupancy and equipment	30,696	31,015	91,344	95,638
Marketing and business development	19,633	9,922	56,429	25,905
Technology and information services	44,579	37,559	124,577	107,003
Professional services	15,665	16,698	48,243	51,642
Fund administration and outsourced services	27,110	34,137	85,364	94,718
Amortization of intangible assets related to acquisitions	15	15	45	45
Other	9,967	13,497	29,864	34,121
Total operating expenses	568,602	562,470	1,617,474	1,745,163
OPERATING INCOME	158,142	154,959	443,708	455,510
Provision for income taxes	35,350	39,446	108,290	124,255
NET INCOME	122,792	115,513	335,418	331,255
LESS - NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	16,995	8,304	20,265	13,568
NET INCOME ATTRIBUTABLE TO LAZARD LTD	$ 105,797	$ 107,209	$ 315,153	$ 317,687
WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING:
Basic	93,275,631	105,415,743	98,161,027	106,484,652
Diluted	98,865,156	112,994,037	103,268,378	114,139,936
NET INCOME PER SHARE OF COMMON STOCK:
Basic	$ 1.11	$ 1.00	$ 3.16	$ 2.94
Diluted	$ 1.06	$ 0.94	$ 3.03	$ 2.78
Investment Banking and Other Advisory Fees [Member]
REVENUE
Revenue	$ 454,255	$ 384,821	$ 1,249,085	$ 1,177,813
Asset Management Fees [Member]
REVENUE
Revenue	$ 279,040	$ 323,747	$ 863,103	$ 997,162