Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (11,369)	$ 28,559	$ (21,052)	$ 146,010
Foreign currency translation adjustment, net of tax	(838)	(4,580)	(249)	(9,949)
Other comprehensive income (loss)	(838)	(4,580)	(249)	(9,949)
Comprehensive income (loss)	(12,207)	23,979	(21,301)	136,061
Less: Comprehensive income (loss) attributable to noncontrolling interests	(702)	2,567	(2,029)	14,881
Comprehensive income (loss) attributable to Moelis & Company	$ (11,505)	$ 21,412	$ (19,272)	$ 121,180