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Noncontrolling interest - Holdings (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Noncontrolling Interest [Line Items]
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax		$ 0
Net impact to financial condition	$ 0	0
Additional paid-in capital
Noncontrolling Interest [Line Items]
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax	521	(91)
Non-controlling interests - Artisan Partners Holdings
Noncontrolling Interest [Line Items]
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax	(401)	116
Net impact to financial condition	(1,700)	(700)
Accumulated other comprehensive income (loss)
Noncontrolling Interest [Line Items]
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax	$ (120)	$ (25)
Common Stock
Noncontrolling Interest [Line Items]
Stock Repurchased and Retired During Period, Shares	0
Holdings GP Units | Common Stock
Noncontrolling Interest [Line Items]
Stock Repurchased and Retired During Period, Shares	1,626,611

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Cumulative equity impact of changes in ownership of APAM's subsidiary, Artisan Partners Holdings LP as a result of the issuance and forfeiture of equity.

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

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