Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues	$ 137,783	$ 219,418
Expenses
Compensation and benefits	90,161	127,177
Occupancy	4,819	4,583
Professional fees	5,179	5,684
Communication, technology and information services	7,962	7,133
Travel and related expenses	11,497	11,560
Depreciation and amortization	1,155	1,055
Other expenses	7,381	7,157
Total expenses	128,154	164,349
Operating income (loss)	9,629	55,069
Other income and (expenses)	1,377	587
Income (loss) from equity method investments	713	888
Income (loss) before income taxes	11,719	56,544
Provision for income taxes	(4,458)	2,563
Net income (loss)	16,177	53,981
Net income (loss) attributable to noncontrolling interests	2,607	20,656
Net income (loss) attributable to Moelis & Company	13,570	33,325
Class A Common Stock
Expenses
Net income (loss) attributable to Moelis & Company	$ 13,570	$ 33,325
Weighted-average shares of Class A common stock outstanding
Basic (in shares)	48,309,358	36,169,566
Diluted (in shares)	55,108,335	44,596,534
Net income (loss) per share attributable to holders of shares of Class A common stock
Basic (in dollars per share)	$ 0.28	$ 0.92
Diluted (in dollars per share)	$ 0.25	$ 0.75