v2.4.1.9
Document and Entity Information
3 Months Ended
Mar. 31, 2015
Apr. 30, 2015
Entity Registrant Name Moelis & Co  
Entity Central Index Key 0001596967  
Document Type 10-Q  
Document Period End Date Mar. 31, 2015  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Non-accelerated Filer  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q1  
Class A common stock    
Entity Common Stock, Shares Outstanding   19,629,308dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassAMember
Class B common stock    
Entity Common Stock, Shares Outstanding   31,617,704dei_EntityCommonStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember