Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues	$ 273,755	$ 272,179	$ 755,826	$ 639,870
Expenses
Compensation and benefits	210,658	242,231	573,006	536,264
Occupancy	7,409	7,181	21,571	19,887
Professional fees	8,445	13,525	20,571	25,378
Communication, technology and information services	12,874	11,709	37,108	33,758
Travel and related expenses	8,781	8,394	29,255	28,575
Depreciation and amortization	2,802	2,014	7,611	6,023
Other expenses	7,222	7,151	25,270	20,988
Total expenses	258,191	292,205	714,392	670,873
Operating income (loss)	15,564	(20,026)	41,434	(31,003)
Other income and (expenses)	11,095	9,943	17,032	6,060
Income (loss) before income taxes	26,659	(10,083)	58,466	(24,943)
Provision (benefit) for income taxes	7,419	1,286	6,820	(3,891)
Net income (loss)	19,240	(11,369)	51,646	(21,052)
Net income (loss) attributable to noncontrolling interests	2,346	(637)	5,025	(2,012)
Net income (loss) attributable to Moelis & Company	16,894	(10,732)	46,621	(19,040)
Class A Common Stock
Expenses
Net income (loss) attributable to Moelis & Company	$ 16,894	$ (10,732)	$ 46,621	$ (19,040)
Weighted-average shares of Class A common stock outstanding
Basic (in shares)	72,325,050	68,752,061	71,612,206	68,260,558
Diluted (in shares)	76,906,271	68,752,061	76,147,357	68,260,558
Net income (loss) per share attributable to holders of shares of Class A common stock
Basic (in dollars per share)	$ 0.23	$ (0.16)	$ 0.65	$ (0.28)
Diluted (in dollars per share)	$ 0.22	$ (0.16)	$ 0.61	$ (0.28)