XML 76 R54.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Noncontrolling Interest - Holdings - Result of Increased Equity Ownership Interest in Holdings (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Noncontrolling Interest [Line Items] |  |  |  |
Cumulative impact of changes in ownership | $ 0 | $ 0 |  |
Stock Issued During Period, Shares, New Issues | (100,043) | (1,060) | (1,074) |
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation | 187,287 | 198,774 | 177,960 |
Artisan Partners Holdings LP |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
APAM economic interest in Artisan Partners Holdings LP (as a percent) | 86.00% |  |  |
General Partnership Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Capital Units, Outstanding | 68,554,078 | 67,982,025 | 66,699,872 | 63,131,007
Shares repurchased and retired during the period (shares) |  | (18,671) | (100,404) |
Stock Issued During Period, Shares, Conversion of Units |  | (711,166) | (2,142,292) |
Limited Partnership Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Capital Units, Outstanding | 11,460,686 | 11,624,031 | 12,335,197 | 15,441,103
Shares repurchased and retired during the period (shares) | 0 | 0 | 0 |
Stock Issued During Period, Shares, Conversion of Units | (163,345) | (711,166) | (2,142,292) |
Capital Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Units of Partnership Interest, Amount | 80,014,764 | 79,606,056 | 79,035,069 | 78,572,110
Shares repurchased and retired during the period (shares) | (19,750) | (18,671) | (100,404) |
Stock Issued During Period, Shares, Conversion of Units | 0 | 0 | 0 |
Noncontrolling Interest, Increase (Decrease) Ownership Interest, Exchange of Units, Percent | 0.00% | 1.00% | 2.00% |
Capital Units | Artisan Partners Holdings LP |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
APAM economic interest in Artisan Partners Holdings LP (as a percent) | 86.00% | 85.00% | 84.00% | 80.00%
Class A Common Stock |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | (100,043) | (1,060) | (1,074) |
Shares repurchased and retired during the period (shares) | (19,750) |  |  |
Stock Issued During Period, Shares, Conversion of Units | (163,345) |  |  |
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation | 187,287 | 198,774 | 177,960 |
Unvested restricted share-based awards |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | (515,702) | (787,372) | (740,249) |
Unvested restricted share-based awards | General Partnership Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | (328,415) | (588,598) | (562,289) |
Unvested restricted share-based awards | Limited Partnership Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | 0 | 0 | 0 |
Unvested restricted share-based awards | Capital Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | (328,415) | (588,598) | (562,289) |
Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) | 1.00% | 0.00% | 1.00% |
Unvested restricted share-based awards | Class A Common Stock |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues | (515,702) | (787,372) | (740,249) |
Capital Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) | 0.00% | 0.00% | 0.00% |
Follow On Offering | General Partnership Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | (963,614) |
Follow On Offering | Limited Partnership Units |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Shares repurchased and retired during the period (shares) |  |  | (963,614) |
Capital Units | Unvested restricted share-based awards |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) | 0.00% | 0.00% | 0.00% |
Capital Units | Follow On Offering |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 0 |
Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) |  |  | 1.00% |

X
- Definition Change in APAM Economic Ownership Interest in Artisan Partners Holdings LP (as a percent) + References No definition available. + Details
Name: | apam_ChangeinAPAMEconomicOwnershipInterestinArtisanPartnersHoldingsLPasapercent
Namespace Prefix: | apam_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | apam_CumulativeImpactofChangesinOwnership
Namespace Prefix: | apam_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Noncontrolling Interest, Increase (Decrease) Ownership Interest, Exchange of Units, Percent + References No definition available. + Details
Name: | apam_NoncontrollingInterestIncreaseDecreaseOwnershipInterestExchangeofUnitsPercent
Namespace Prefix: | apam_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of capital units or capital shares outstanding. This element is relevant to issuers of face-amount certificates and registered investment companies. + References No definition available. + Details
Name: | us-gaap_CapitalUnitsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. + References No definition available. + Details
Name: | us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of new stock issued during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481004/946-505-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased and retired during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of units or equivalent units outstanding for all classes. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480008/505-10-S99-5 + Details
Name: | us-gaap_UnitsOfPartnershipInterestAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_OwnershipAxis=apam_ArtisanPartnersHoldingsLPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=apam_GeneralPartnershipUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=apam_LimitedPartnershipUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CapitalUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | apam_EmployeePartnerTerminationsAxis=us-gaap_CapitalUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=apam_FollowOnOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsidiarySaleOfStockAxis=us-gaap_CapitalUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=apam_FollowOnOfferingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |