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Summary of Significant Accounting Policies - Additional Information (Details)
12 Months Ended
Dec. 31, 2021
USD ($)
vote
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Significant Accounting Policies [Line Items]      
Accrued fees to authorized agents | $ $ 5,300,000 $ 4,200,000  
Loss Contingency Accrual | $ 0    
Depreciation expense | $ $ 6,800,000 $ 6,500,000 $ 6,800,000
Artisan Global Funds      
Significant Accounting Policies [Line Items]      
Number of Consolidated VIEs | vote 3    
Artisan Private Funds      
Significant Accounting Policies [Line Items]      
Number of Consolidated VIEs | vote 2    
Artisan Funds      
Significant Accounting Policies [Line Items]      
Number of Consolidated VIEs | vote 1    
Furniture and fixtures      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 7 years    
Minimum | Computers and equipment      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Minimum | Computer software      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 3 years    
Minimum | Leasehold improvements      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 2 years    
Maximum | Computers and equipment      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Maximum | Computer software      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 5 years    
Maximum | Leasehold improvements      
Significant Accounting Policies [Line Items]      
Property, Plant and Equipment, Useful Life 14 years