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v3.21.1

Noncontrolling interest - Holdings Share Issuances & Cancellations (Details) | 3 Months Ended
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Mar. 31, 2021 shares
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | 0
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) | 1.00%
Delivery of Shares Underlying RSUs (in shares) | 1,074
Common Stock |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Forfeitures of Holdings GP Units from Employee Terminations (in shares) | 0
Artisan Partners Holdings LP |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Ending balance | 82.00%
Follow On Offering |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | 0
Class A Common Stock |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Holdings common unit exchanges (in shares) | (136,679)
Delivery of Shares Underlying RSUs (in shares) | 1,074
Forfeitures of Holdings GP Units from Employee Terminations (in shares) | (150,781)
Ending balance (in shares) | 64,821,842
Class A Common Stock | Follow On Offering |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | (963,614)
Limited Partnership Units |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Beginning balance (in shares) | 15,441,103
Holdings common unit exchanges (in shares) | (136,679)
Delivery of Shares Underlying RSUs (in shares) | 0
Forfeitures of Holdings GP Units from Employee Terminations (in shares) | 0
Ending balance (in shares) | 14,340,810
Limited Partnership Units | Follow On Offering |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | (963,614)
Capital Units |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Beginning balance (in shares) | 78,572,110
Holdings common unit exchanges (in shares) | 0
Holdings of common unit exchanges, APAM ownership percentage | 0.00%
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) | 0.00%
Forfeitures of Holdings GP Units from Employee Terminations (in shares) | (150,781)
Ending balance (in shares) | 79,162,652
Capital Units | Artisan Partners Holdings LP |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Beginning balance | 80.00%
Ending balance | 82.00%
Restricted Stock |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | (740,249)
Restricted Stock | Class A Common Stock |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | (740,249)
Restricted Stock | Limited Partnership Units |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | 0
Restricted Stock | Capital Units |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |
Shares issued (in shares) | (740,249)
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent) | 1.00%

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