XML 55 R44.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Variable Interest Entities and Consolidated Investment Products - Assets, Liabilities and Equity of the Fund (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Liabilities
Redeemable noncontrolling interests	$ 263,243	$ 252,406
Artisan’s direct equity investment in CIPs	101,400
Variable Interest Entity, Primary Beneficiary
ASSETS
Cash and cash equivalents	44,353	37,459	$ 22,504
Investments	361,708	364,095
Liabilities
Investment liabilities, at fair value	7,125	9,580
Net CIP assets included in the table above	392,474	372,671
Net CIP assets/(liabilities) not included in the table above	(27,875)	(5,434)
Total Net CIP assets	364,599	367,237
Artisan’s direct equity investment in CIPs	101,356	114,831
Variable Interest Entity, Primary Beneficiary | Money market funds | Fair Value, Measurements, Recurring
ASSETS
Cash and cash equivalents	37,891	18,156
Variable Interest Entity, Primary Beneficiary | Money market funds | Fair Value, Measurements, Recurring | Level 1
ASSETS
Cash and cash equivalents	37,891	18,156
Variable Interest Entity, Primary Beneficiary | Money market funds | Fair Value, Measurements, Recurring | Level 2
ASSETS
Cash and cash equivalents	0	0
Variable Interest Entity, Primary Beneficiary | Money market funds | Fair Value, Measurements, Recurring | Level 3
ASSETS
Cash and cash equivalents	0	0
Variable Interest Entity, Primary Beneficiary | Equity securities - long position | Fair Value, Measurements, Recurring
ASSETS
Investments	62,696	42,693
Variable Interest Entity, Primary Beneficiary | Equity securities - long position | Fair Value, Measurements, Recurring | Level 1
ASSETS
Investments	61,178	40,838
Variable Interest Entity, Primary Beneficiary | Equity securities - long position | Fair Value, Measurements, Recurring | Level 2
ASSETS
Investments	1,518	1,855
Variable Interest Entity, Primary Beneficiary | Equity securities - long position | Fair Value, Measurements, Recurring | Level 3
ASSETS
Investments	0	0
Variable Interest Entity, Primary Beneficiary | Fixed income instruments - long position | Fair Value, Measurements, Recurring
ASSETS
Investments	298,259	315,183
Liabilities
Investment liabilities, at fair value	6,302	7,392
Variable Interest Entity, Primary Beneficiary | Fixed income instruments - long position | Fair Value, Measurements, Recurring | Level 1
ASSETS
Investments	0	0
Liabilities
Investment liabilities, at fair value	0	0
Variable Interest Entity, Primary Beneficiary | Fixed income instruments - long position | Fair Value, Measurements, Recurring | Level 2
ASSETS
Investments	291,300	309,110
Liabilities
Investment liabilities, at fair value	6,302	7,392
Variable Interest Entity, Primary Beneficiary | Fixed income instruments - long position | Fair Value, Measurements, Recurring | Level 3
ASSETS
Investments	6,959	6,073
Liabilities
Investment liabilities, at fair value	0	0
Variable Interest Entity, Primary Beneficiary | Derivative assets | Fair Value, Measurements, Recurring
ASSETS
Investments	753	1,004
Liabilities
Investment liabilities, at fair value	823	2,188
Variable Interest Entity, Primary Beneficiary | Derivative assets | Fair Value, Measurements, Recurring | Level 1
ASSETS
Investments	7	0
Liabilities
Investment liabilities, at fair value	104	843
Variable Interest Entity, Primary Beneficiary | Derivative assets | Fair Value, Measurements, Recurring | Level 2
ASSETS
Investments	746	1,004
Liabilities
Investment liabilities, at fair value	719	1,345
Variable Interest Entity, Primary Beneficiary | Derivative assets | Fair Value, Measurements, Recurring | Level 3
ASSETS
Investments	0	0
Liabilities
Investment liabilities, at fair value	$ 0	0
Variable Interest Entity, Primary Beneficiary | Short term investments | Fair Value, Measurements, Recurring
ASSETS
Investments		5,215
Variable Interest Entity, Primary Beneficiary | Short term investments | Fair Value, Measurements, Recurring | Level 1
ASSETS
Investments		0
Variable Interest Entity, Primary Beneficiary | Short term investments | Fair Value, Measurements, Recurring | Level 2
ASSETS
Investments		5,215
Variable Interest Entity, Primary Beneficiary | Short term investments | Fair Value, Measurements, Recurring | Level 3
ASSETS
Investments		$ 0

X

- Definition

Net Assets of Consolidated Investment Products

+ References

No definition available.

+ Details

Name:	apam_NetAssetsofConsolidatedInvestmentProducts
Namespace Prefix:	apam_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Net Assets of Consolidated Investment Products, Carrying Value

+ References

No definition available.

+ Details

Name:	apam_NetAssetsofConsolidatedInvestmentProductsCarryingValue
Namespace Prefix:	apam_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Net Assets of Consolidated Investment Products Measured at Fair Value

+ References

No definition available.

+ Details

Name:	apam_NetAssetsofConsolidatedInvestmentProductsMeasuredatFairValue
Namespace Prefix:	apam_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_AssetsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483467/210-10-45-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-4

+ Details

Name:	us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The aggregate amount of liabilities as of the balance sheet date for obligations incurred in connection with the entity's investments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(15)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

Name:	us-gaap_InvestmentRelatedLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(h))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

Name:	us-gaap_Investments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_LiabilitiesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph (12)(c)
-Section S99
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph 14
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph 15
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph (16)(c)
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph b
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-4

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-6

+ Details

Name:	us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_DerivativeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_ShortTermInvestmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: