Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 73,594	$ 75,798
Foreign currency translation adjustment, net of tax	(764)	(744)
Other comprehensive income (loss)	(764)	(744)
Comprehensive income (loss)	72,830	75,054
Less: Comprehensive income (loss) attributable to noncontrolling interests	7,802	9,180
Comprehensive income (loss) attributable to Moelis & Company	$ 65,028	$ 65,874