Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (13,246)	$ 43,857	$ (9,683)	$ 117,451
Foreign currency translation adjustment, net of tax	305	(4,605)	589	(5,369)
Other comprehensive income (loss)	305	(4,605)	589	(5,369)
Comprehensive income (loss)	(12,941)	39,252	(9,094)	112,082
Less: Comprehensive income (loss) attributable to noncontrolling interests	(1,252)	4,512	(1,327)	12,314
Comprehensive income (loss) attributable to Moelis & Company	$ (11,689)	$ 34,740	$ (7,767)	$ 99,768