Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues	$ 242,520	$ 360,907	$ 544,608	$ 624,773
Expenses
Compensation and benefits	140,092	214,017	316,729	370,516
Occupancy	6,267	6,689	12,077	14,384
Professional fees	5,570	5,802	9,885	11,801
Communication, technology and information services	10,108	8,216	18,887	16,875
Travel and related expenses	9,366	2,870	17,009	4,480
Depreciation and amortization	1,841	1,637	3,880	3,086
Other expenses	7,077	3,458	14,515	12,970
Total expenses	180,321	242,689	392,982	434,112
Operating income (loss)	62,199	118,218	151,626	190,661
Other income and (expenses)	(3,046)	2,762	(5,281)	5,941
Income (loss) before income taxes	59,153	120,980	146,345	196,602
Provision (benefit) for income taxes	15,296	27,778	28,894	27,602
Net income (loss)	43,857	93,202	117,451	169,000
Net income (loss) attributable to noncontrolling interests	4,894	13,861	12,773	23,130
Net income (loss) attributable to Moelis & Company	38,963	79,341	104,678	145,870
Class A Common Stock
Expenses
Net income (loss) attributable to Moelis & Company	$ 38,963	$ 79,341	$ 104,678	$ 145,870
Weighted-average shares of Class A common stock outstanding
Basic (in shares)	66,290,442	63,150,538	65,572,013	62,102,403
Diluted (in shares)	69,811,979	67,554,777	70,171,256	67,147,825
Net income (loss) per share attributable to holders of shares of Class A common stock
Basic (in dollars per share)	$ 0.59	$ 1.26	$ 1.60	$ 2.35
Diluted (in dollars per share)	$ 0.56	$ 1.17	$ 1.49	$ 2.17