Subsequent Events	3 Months Ended
Mar. 31, 2023
Subsequent Events [Abstract]
Subsequent Events	15. SUBSEQUENT EVENTS The Company has evaluated subsequent events for adjustment to or disclosure in these condensed consolidated financial statements through the date of this report and has not identified any recordable or disclosable events not otherwise reported in these financial statements or the notes thereto other than the following. The Board of Directors of Moelis & Company has declared a dividend of $0.60 per share to be paid on June 23, 2023, to Class A common stockholders of record on May 8, 2023. The Company entered into a new lease agreement that commenced in April 2023 to replace its existing office space in Los Angeles, which expires during 2023. This lease has an initial term that expires in 2034 and the right-of-use asset and lease liability associated with this lease is approximately $15,000, which will be recorded in the second quarter of 2023.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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