Noncontrolling Interests - Holdings - Share Issuances & Cancellations (Details) - shares	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(22,495)
Shares paid for tax withholding for share based compensation (in shares)	102,824
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	(8,403)
Common stock, shares, outstanding (in shares)	81,066,833	80,688,269
Artisan Partners Holdings LP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Ending balance	88.00%
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%
Restricted Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(465,719)
Shares paid for tax withholding for share based compensation (in shares)	101,999
Restricted Stock Units and Performance Stock Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(752)
Capital Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	80,688,269
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%
Shares paid for tax withholding for share based compensation (in shares)	101,999
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	(8,403)
Ending balance (in shares)	81,066,833
Capital Units \| Artisan Partners Holdings LP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	87.00%
Ending balance	88.00%
Capital Units \| Restricted Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(465,719)
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent)	1.00%
Capital Units \| Restricted Stock Units RSUs
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(752)
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent)	0.00%
Capital Units \| Class B Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(22,495)
Change in APAM economic ownership Interest in Artisan Partners Holdings LP (as a percent)	0.00%
Holdings GP Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Holdings common unit exchanges (in shares)	(167,614)
Shares issued (in shares)	0
Shares paid for tax withholding for share based compensation (in shares)	101,999
Forfeitures of Holdings GP Units from Employee Terminations (in shares)	(8,403)
Ending balance (in shares)	70,996,433
Common stock, shares, outstanding (in shares)	70,996,433	70,472,750
Holdings GP Units \| Restricted Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(465,719)
Holdings GP Units \| Restricted Stock Units and Performance Stock Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	(752)
Limited Partnership Units
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	10,215,519
Holdings common unit exchanges (in shares)	(167,614)
Shares issued (in shares)	(22,495)
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)	10,070,400
Limited Partnership Units \| Restricted Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares issued (in shares)	0
Limited Partnership Units \| Restricted Stock Units and Performance Stock Units
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)

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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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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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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- Definition

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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Number of new stock issued during the period.

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Number of shares that have been repurchased and retired during the period.

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- Definition

The number of units or equivalent units outstanding for all classes.

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