XML 18 R1.htm IDEA: XBRL DOCUMENT v3.22.0.1
Document and Entity Information - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Feb. 09, 2022
Jun. 30, 2021
Entity Registrant Name Moelis & Co    
Entity Central Index Key 0001596967    
Document Type 10-K    
Document Period End Date Dec. 31, 2021    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Interactive Data Current Yes    
Entity Public Float     $ 3,435
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Trading Symbol MC    
Entity File Number 001-36418    
Entity Tax Identification Number 46-4500216    
Entity Address, Address Line One 399 Park Avenue    
Entity Address, Address Line Two 5th Floor    
Entity Address, City or Town New York    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10022    
City Area Code 212    
Local Phone Number 883-3800    
Title of 12(b) Security Class A common stock    
Security Exchange Name NYSE    
Entity Incorporation, State or Country Code DE    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference

Portions of the Registrant’s definitive proxy statement for its 2022 annual meeting of stockholders are incorporated by reference in Part III of this Form 10‑K.

    
Auditor Firm ID 34    
Auditor Name Deloitte & Touche LLP    
Auditor Location New York, NY    
Class A Common Stock      
Entity Common Stock, Shares Outstanding   62,452,457  
Class B Common Stock      
Entity Common Stock, Shares Outstanding   4,686,344