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Stockholders' Equity (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) vote $ / shares shares | Dec. 31, 2019 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) $ / shares shares | Dec. 31, 2017 shares
Class of Stock [Line Items] |  |  |  |
Outstanding | 78,572,110 | 77,801,854 | 76,942,872 | 75,569,845
Common Class A, dividends paid (in dollars per share) | $ / shares | $ 3.39 | $ 3.39 | $ 3.19 |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number | 304,570 | 297,891 | 246,581 |
Artisan Partners Holdings LP |  |  |  |
Class of Stock [Line Items] |  |  |  |
Holdings Partnership Distributions to Limited Partners | $ | $ 85,805 | $ 94,842 | $ 103,434 |
General Partners' Capital Account, Period Distribution Amount | $ | 270,044 | 226,245 | 217,396 |
Total Holdings Partnership Distributions | $ | $ 355,849 | $ 321,087 | $ 320,830 |
Quarterly cash dividend |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common Class A, dividends paid (in dollars per share) | $ / shares | $ 2.79 | $ 2.36 | $ 2.40 |
Special annual dividend |  |  |  |
Class of Stock [Line Items] |  |  |  |
Common Class A, dividends paid (in dollars per share) | $ / shares | $ 0.60 | $ 1.03 | $ 0.79 |
Class A Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Authorized | 500,000,000 |  |  |
Outstanding | 63,131,007 | 56,429,825 | 54,071,188 | 50,463,126
Common stock votes per share | vote | 1 |  |  |
Class B Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Authorized | 200,000,000 |  |  |
Outstanding | 4,457,958 | 7,803,364 | 8,645,249 | 11,922,192
Common stock votes per share | vote | 1 |  |  |
Class C Common Stock |  |  |  |
Class of Stock [Line Items] |  |  |  |
Authorized | 400,000,000 |  |  |
Outstanding | 10,983,145 | 13,568,665 | 14,226,435 | 13,184,527
Common stock votes per share | vote | 1 |  |  |

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