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Noncontrolling interest - Holdings (Tables) | 3 Months Ended
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Mar. 31, 2021
Noncontrolling Interest [Abstract] |
Schedule of Equity ownership Interests in Holdings | For the three months ended March 31, 2021, APAM’s equity ownership interest in Holdings increased as a result of the following transactions:
| Holdings GP Units | Limited Partnership Units | Total | APAM Ownership %
Balance at December 31, 2020 | 63,131,007 |  | 15,441,103 |  | 78,572,110 |  | 80 | %
2021 Follow-On Offering | 963,614 |  | (963,614) |  | — |  | 1 | %
Holdings Common Unit Exchanges(1) | 136,679 |  | (136,679) |  | — |  | — | %
Issuance of APAM Restricted Shares | 740,249 |  | — |  | 740,249 |  | 1 | %
Delivery of Shares Underlying RSUs (1) | 1,074 |  | — |  | 1,074 |  | — | %
Restricted Share Award Net Share Settlement (1) | (150,781) |  | — |  | (150,781) |  | — | %
Balance at March 31, 2021 | 64,821,842 |  | 14,340,810 |  | 79,162,652 |  | 82 | %
(1) The impact of the transaction on APAM’s ownership percentage was less than 1%.
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net | The reallocation of equity had the following impact on the Unaudited Condensed Consolidated Statements of Financial Condition:
Statement of Financial Condition | For the Three Months Ended March 31,
2021 |  | 2020
Additional paid-in capital | $ | 1,254 |  |  | $ | 521 |
Noncontrolling interests - Artisan Partners Holdings | (1,241) |  |  | (401) |
Accumulated other comprehensive income (loss) | (13) |  |  | (120) |
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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- References No definition available. + 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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