v3.26.3
Revenue From Contracts with Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers $ 312,518 $ 301,287 $ 923,439 $ 861,183  
Total receivables from contracts with customers 116,781   116,781   $ 148,255
Non-customer receivables 16,025   16,025   6,281
Accounts receivable 132,806   132,806   154,536
Contract with customer, liability 5,500   5,500   0
Receivable From Redemption of Investment 0   0   5,600
Artisan Funds          
Disaggregation of Revenue [Line Items]          
Total receivables from contracts with customers 9,961   9,961   9,752
Artisan Global Funds          
Disaggregation of Revenue [Line Items]          
Total receivables from contracts with customers 8,625   8,625   7,973
Separate accounts and other          
Disaggregation of Revenue [Line Items]          
Total receivables from contracts with customers 98,195   98,195   $ 130,530
Management fees          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers 312,483 301,266 923,000 861,162  
Management fees | Artisan Funds          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers 188,483 177,332 546,181 504,264  
Management fees | Artisan Global Funds          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers 18,581 15,113 51,747 42,482  
Management fees | Separate accounts and other          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers 105,419 108,821 325,072 314,416  
Performance fees          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers $ 35 $ 21 439 21  
Performance fees | Separate accounts and other          
Disaggregation of Revenue [Line Items]          
Revenue from contract with customers     $ 439 $ 21