CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
REVENUE
Interest income	$ 10,946	$ 4,062	$ 23,553	$ 5,823
Other	29,631	(17,506)	40,048	(7,914)
Total revenue	662,318	660,658	1,224,229	1,376,802
Interest expense	19,204	21,112	38,679	42,364
Net revenue	643,114	639,546	1,185,550	1,334,438
OPERATING EXPENSES
Compensation and benefits	572,231	363,830	1,022,198	760,671
Occupancy and equipment	32,800	29,409	64,573	60,648
Marketing and business development	28,582	22,673	51,344	36,796
Technology and information services	51,370	42,067	95,410	79,998
Professional services	21,402	16,549	45,728	32,578
Fund administration and outsourced services	28,968	28,551	55,544	58,254
Amortization and other acquisition-related costs	95	15	143	30
Benefit pursuant to tax receivable agreement	0	0	(40,435)	0
Other	17,739	10,614	38,042	19,897
Total operating expenses	753,187	513,708	1,332,547	1,048,872
OPERATING INCOME (LOSS)	(110,073)	125,838	(146,997)	285,566
Provision (benefit) for income taxes	10,303	34,187	(11,422)	72,940
NET INCOME (LOSS)	(120,376)	91,651	(135,575)	212,626
LESS - NET INCOME (LOSS) ATTRIBUTABLE TO NONCONTROLLING INTERESTS	3,637	(3,829)	10,610	3,270
NET INCOME (LOSS) ATTRIBUTABLE TO LAZARD LTD	$ (124,013)	$ 95,480	$ (146,185)	$ 209,356
WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING:
Basic (in shares)	88,729,654	98,660,173	88,160,753	100,603,724
Diluted (in shares)	88,729,654	102,753,336	88,160,753	105,469,988
NET INCOME (LOSS) PER SHARE OF COMMON STOCK:
Basic (in USD per share)	$ (1.41)	$ 0.96	$ (1.68)	$ 2.05
Diluted (in USD per share)	$ (1.41)	$ 0.92	$ (1.68)	$ 1.97
Investment banking and other advisory fees
REVENUE
Revenue	$ 350,104	$ 405,091	$ 627,512	$ 794,830
Asset management fees
REVENUE
Revenue	$ 271,637	$ 269,011	$ 533,116	$ 584,063