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Noncontrolling Interest - Holdings (Tables) | 12 Months Ended
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Dec. 31, 2021
Noncontrolling Interest [Abstract] |
Result of Increased Equity Ownership Interest in Holdings | For the years ended December 31, 2021, 2020 and 2019, APAM’s equity ownership interest in Holdings has increased as a result of the following transactions:
| Holdings GP Units | Limited Partnership Units | Total | APAM Ownership %
Balance at January 1, 2019 | 54,071,188 |  | 22,871,684 |  | 76,942,872 |  | 70 | %
Issuance of APAM Restricted Shares, Net (1) | 876,271 |  | — |  | 876,271 |  | — | %
Holdings Common Unit Exchanges | 1,499,655 |  | (1,499,655) |  | — |  | 3 | %
Forfeitures from Employee Terminations (1) | (17,289) |  | — |  | (17,289) |  | — | %
Balance at December 31, 2019 | 56,429,825 |  | 21,372,029 |  | 77,801,854 |  | 73 | %
Issuance of APAM Restricted Shares, Net (1) | 789,114 |  | — |  | 789,114 |  | — | %
Delivery of Shares Underlying RSUs(1) | 24,233 |  | — |  | 24,233 |  | — | %
2020 Follow-On Offering | 1,802,326 |  | (1,802,326) |  | — |  | 2 | %
Holdings Common Unit Exchanges | 4,128,600 |  | (4,128,600) |  | — |  | 5 | %
Forfeitures from Employee Terminations (1) | (43,091) |  | — |  | (43,091) |  | — | %
Balance at December 31, 2020 | 63,131,007 |  | 15,441,103 |  | 78,572,110 |  | 80 | %
Issuance of APAM Restricted Shares, Net | 562,289 |  | — |  | 562,289 |  | 1 | %
Delivery of Shares Underlying RSUs(1) | 1,074 |  | — |  | 1,074 |  | — | %
2021 Follow-On Offering | 963,614 |  | (963,614) |  | — |  | 1 | %
Holdings Common Unit Exchanges | 2,142,292 |  | (2,142,292) |  | — |  | 2 | %
Forfeitures from Employee Terminations (1) | (100,404) |  | — |  | (100,404) |  | — | %
Balance at December 31, 2021 | 66,699,872 |  | 12,335,197 |  | 79,035,069 |  | 84 | %
(1) The impact of the transaction on APAM’s ownership percentage was less than 1%.
Impact of the Reallocation of Equity | The reallocation of equity had the following impact on the Consolidated Statements of Financial Condition:
Statements of Financial Condition | For the Years Ended December 31,
2021 |  | 2020
Additional paid-in capital | $ | (563) |  |  | $ | (2,544) |
Noncontrolling interests - Artisan Partners Holdings | 611 |  |  | 2,733 |
Accumulated other comprehensive income (loss) | (48) |  |  | (189) |
Net impact to financial condition | $ | — |  |  | $ | — |

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- Definition The tabular disclosure of the effects of any changes in a parent's ownership interest in a subsidiary on the equity attributable to the parent if the ownership interests in a subsidiary changes during the period. The changes represented by this element did not result in the deconsolidation of the subsidiary. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4M -URI http://asc.fasb.org/extlink&oid=120409616&loc=SL4591554-111686 + Details
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- Definition Tabular disclosure of the key aspects of a subsidiary (partnership, corporation, or other entity) of the limited liability company or limited partnership. + References No definition available. + Details
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