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Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($) numberOfProducts	Sep. 30, 2025 numberOfProducts
Significant Accounting Policies [Line Items]
Variable interest entity, ownership percentage		10.00%
Increase (Decrease) in Operating Lease Liability | $	$ 33.1
Increase (Decrease) in Operating Assets | $	$ 33.1
Artisan Global Funds
Significant Accounting Policies [Line Items]
Number of consolidated VIEs | numberOfProducts	5	5
Artisan Private Funds
Significant Accounting Policies [Line Items]
Number of consolidated VIEs | numberOfProducts	3	3

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Number of Consolidated VIEs

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Significant Accounting Policies

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- Definition

The increase (decrease) during the reporting period in the aggregate amount of assets used to generate operating income.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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- Definition

Amount of increase (decrease) in obligation for operating lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(1)
-SubTopic 20
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 5A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-5A

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