v3.26.1
Noncontrolling Interests - Holdings - Additional Information (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Class of Stock [Line Items]      
Increase in deferred tax assets $ 200 $ 100  
Increase in additional paid-in capital $ 200 $ 100  
Shares issued (in shares) 22,495    
Restricted Stock      
Class of Stock [Line Items]      
Shares issued (in shares) 465,719    
Limited Partnership Units      
Class of Stock [Line Items]      
Shares issued (in shares) 22,495    
Limited Partnership Units | Restricted Stock      
Class of Stock [Line Items]      
Shares issued (in shares) 0    
Class A Common Stock      
Class of Stock [Line Items]      
Shares issued (in shares) 0    
Class A Common Stock | Restricted Stock      
Class of Stock [Line Items]      
Shares issued (in shares) 465,719    
Total      
Class of Stock [Line Items]      
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) 0.00%    
Total | Restricted Stock      
Class of Stock [Line Items]      
Shares issued (in shares) 465,719    
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) 1.00%    
Total | Class B Common Stock      
Class of Stock [Line Items]      
Shares issued (in shares) 22,495    
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) 0.00%    
Artisan Partners Holdings LP      
Class of Stock [Line Items]      
Economic interest in subsidiary (as a percent) 88.00%    
Artisan Partners Holdings LP | Total      
Class of Stock [Line Items]      
Economic interest in subsidiary (as a percent) 88.00%   87.00%