Condensed Consolidated and Combined Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenues	$ 151,789	$ 128,651	$ 377,074	$ 374,855
Expenses
Compensation and benefits	86,277	68,148	211,333	300,793
Occupancy	3,836	3,560	11,228	10,195
Professional fees	5,116	5,995	12,813	14,588
Communication, technology and information services	4,862	3,945	13,403	11,589
Travel and related expenses	5,951	8,083	16,695	19,433
Depreciation and amortization	646	542	1,954	1,636
Other expenses	5,192	2,605	15,586	14,220
Total expenses	111,880	92,878	283,012	372,454
Operating income (loss)	39,909	35,773	94,062	2,401
Other income and (expenses)	(456)	617	(474)	622
Income (loss) from equity method investments	450	1,105	3,510	(2,966)
Income (loss) before income taxes	39,903	37,495	97,098	57
Provision for income taxes	5,273	4,710	15,652	5,790
Net income (loss)	34,630	32,785	81,446	(5,733)
Net income (loss) attributable to noncontrolling interests	24,540	26,285	58,889	6,777
Net income (loss) attributable to Moelis & Company	10,090	6,500	22,557	(12,510)
Class A common stock
Expenses
Net income (loss) attributable to Moelis & Company	$ 10,090	$ 6,500	$ 22,557	$ (12,510)
Weighted-average shares of Class A common stock outstanding
Basic (in shares)	20,184,835	15,262,343	19,919,675	15,262,940
Diluted (in shares)	21,466,021	16,205,254	21,105,523	15,262,940
Net income (loss) per share attributable to holders of shares of Class A common stock
Basic (in dollars per share)	$ 0.50	$ 0.43	$ 1.13	$ (0.82)
Diluted (in dollars per share)	0.47	0.40	1.07	(0.82)
Dividends declared per share	$ 0.30	$ 0.20	$ 0.70	$ 0.20