Noncontrolling Interests - Holdings - Impact on Statement of Financial Condition (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Noncontrolling Interest [Line Items] | ||||
| Cumulative impact of changes in ownership of Artisan Partners Holdings LP | $ 0 | $ 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 | (589) | (564) | (916) | (848) |
| Noncontrolling Interests - Artisan Partners Holdings | ||||
| Noncontrolling Interest [Line Items] | ||||
| Cumulative impact of changes in ownership of Artisan Partners Holdings LP | $ 589 | 564 | 911 | 852 |
| Accumulated Other Comprehensive Income (Loss) | ||||
| Noncontrolling Interest [Line Items] | ||||
| Cumulative impact of changes in ownership of Artisan Partners Holdings LP | $ 0 | $ 5 | $ (4) | |