Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues	$ 365,376	$ 264,586	$ 671,969	$ 482,071
Expenses
Compensation and benefits	252,110	197,873	463,659	362,348
Occupancy	8,726	7,073	16,843	14,162
Professional fees	7,424	5,961	14,338	12,126
Communication, technology and information services	13,870	11,990	27,191	24,234
Travel and related expenses	12,996	8,511	30,465	20,474
Depreciation and amortization	2,760	2,434	5,539	4,809
Other expenses	6,861	10,676	16,393	18,048
Total expenses	304,747	244,518	574,428	456,201
Operating income (loss)	60,629	20,068	97,541	25,870
Other income and (expenses)	3,510	1,708	9,651	5,937
Income (loss) before income taxes	64,139	21,776	107,192	31,807
Provision (benefit) for income taxes	17,384	6,855	6,662	(599)
Net income (loss)	46,755	14,921	100,530	32,406
Net income (loss) attributable to noncontrolling interests	5,217	1,760	8,724	2,679
Net income (loss) attributable to Moelis & Company	41,538	13,161	91,806	29,727
Class A Common Stock
Expenses
Net income (loss) attributable to Moelis & Company	$ 41,538	$ 13,161	$ 91,806	$ 29,727
Weighted-average shares of Class A common stock outstanding
Basic (in shares)	75,615,922	72,148,948	74,788,620	71,239,595
Diluted (in shares)	78,644,806	75,788,525	78,773,981	75,593,865
Net income (loss) per share attributable to holders of shares of Class A common stock
Basic (in dollars per share)	$ 0.55	$ 0.18	$ 1.23	$ 0.42
Diluted (in dollars per share)	$ 0.53	$ 0.17	$ 1.17	$ 0.39