Noncontrolling interest - Holdings Share Issuances & Cancellations (Details)	3 Months Ended
Mar. 31, 2022 shares
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(1,060)
Shares paid for tax withholding for share based compensation (in shares)	185,243
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	(1,218)
Artisan Partners Holdings LP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ending balance	85.00%
Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	66,699,872
Shares issued (in shares)	(1,060)
Holdings common unit exchanges (in shares)	(96,835)
Shares paid for tax withholding for share based compensation (in shares)	185,243
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	(1,218)
Ending balance (in shares)	67,398,678
Limited Partnership Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	12,335,197
Holdings common unit exchanges (in shares)	(96,835)
Shares paid for tax withholding for share based compensation (in shares)	0
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	0
Ending balance (in shares)	12,238,362
Capital Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	79,035,069
Holdings common unit exchanges (in shares)	0
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent)	0.00%
Holdings of common unit exchanges, APAM ownership percentage	0.00%
Shares paid for tax withholding for share based compensation (in shares)	185,243
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	(1,218)
Ending balance (in shares)	79,637,040
Capital Units \| Artisan Partners Holdings LP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	84.00%
Ending balance	85.00%
Restricted Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(787,372)
Restricted Stock \| Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(787,372)
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)	(787,372)
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent)	1.00%
Restricted Stock Units RSUs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(1,060)
Restricted Stock Units RSUs \| Class A Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(1,060)
Restricted Stock Units RSUs \| Limited Partnership Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	0
Restricted Stock Units RSUs \| Capital Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Holdings of common unit exchanges, APAM ownership percentage	0.00%
Capital Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent)	0.00%

Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent)

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Noncontrolling Interest, Increase (Decrease) Ownership Interest, Exchange of Units, Percent

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Number of capital units or capital shares outstanding. This element is relevant to issuers of face-amount certificates and registered investment companies.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit).

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