v3.26.3
Related Party Transactions (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
Related Party Transaction [Line Items]          
Non-customer receivables $ 16,025   $ 16,025   $ 6,281
Revenue from contract with customers 312,518 $ 301,287 923,439 $ 861,183  
Artisan Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers 188,886 177,872 547,136 505,630  
Artisan Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers 403 540 955 1,366  
Artisan Global Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers 18,668 15,147 51,884 42,564  
Artisan Global Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers 87 34 137 82  
Artisan Private Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers 5,725 2,884 16,848 8,678  
Artisan Private Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers 19 48 76 186  
Related Party          
Related Party Transaction [Line Items]          
Non-customer receivables 14,100   14,100   $ 0
Consolidation, Eliminations | Artisan Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers (5) 0 (19) 0  
Consolidation, Eliminations | Artisan Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers (27) 0 (95) 0  
Consolidation, Eliminations | Artisan Global Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers (181) (201) (507) (456)  
Consolidation, Eliminations | Artisan Global Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers (230) (141) (439) (402)  
Consolidation, Eliminations | Artisan Private Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers (23) (140) (23) (364)  
Consolidation, Eliminations | Artisan Private Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers (14) (32) (41) (146)  
Subsidiaries | Artisan Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers 188,891 177,872 547,155 505,630  
Subsidiaries | Artisan Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Fee waiver / expense reimbursement 430 540 1,050 1,366  
Subsidiaries | Artisan Global Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers 18,849 15,348 52,391 43,020  
Subsidiaries | Artisan Global Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers 317 175 576 484  
Subsidiaries | Artisan Private Funds | Management Fees Before Reimbursement Revenue          
Related Party Transaction [Line Items]          
Revenue from contract with customers 5,748 3,024 16,871 9,042  
Subsidiaries | Artisan Private Funds | Expense Reimbursement          
Related Party Transaction [Line Items]          
Revenue from contract with customers $ 33 $ 80 $ 117 $ 332