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Noncontrolling interest - Holdings (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Noncontrolling Interest [Line Items] |  |  |  |
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax |  | $ 0 |  | $ 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 | $ (740) | (627) | (2,308) | (2,455)
Non-controlling interests - Artisan Partners Holdings |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax | 742 | 632 | 2,458 | 2,501
Non-controlling interests - Artisan Partners Holdings | Deferred Tax Assets |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net impact to financial condition |  |  | (2,000) | (600)
Accumulated other comprehensive income (loss) |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Cumulative impact of changes in ownership of Artisan Partners Holdings LP, net of tax | $ (2) | $ (5) | $ (150) | $ (46)

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