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Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		$ 1,111,802	$ 975,131	$ 993,285
Management Fees Before Reimbursement Revenue | Artisan Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		638,118	564,075	575,069
Management Fees Before Reimbursement Revenue | Artisan Funds | Consolidation, Eliminations [Member]
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		0	(338)	(217)
Management Fees Before Reimbursement Revenue | Artisan Global Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		52,697	43,466	43,162
Management Fees Before Reimbursement Revenue | Artisan Global Funds | Consolidation, Eliminations [Member]
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		(456)	(402)	(164)
Management Fees Before Reimbursement Revenue | Artisan Private Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		9,956	10,800	14,442
Management Fees Before Reimbursement Revenue | Artisan Private Funds | Consolidation, Eliminations [Member]
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		(3,963)	(3,063)	(583)
Expense Reimbursement | Artisan Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		1,965	1,272	1,145
Expense Reimbursement | Artisan Funds | Consolidation, Eliminations [Member]
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		0	(516)	(370)
Expense Reimbursement | Artisan Global Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		93	2	34
Expense Reimbursement | Artisan Global Funds | Consolidation, Eliminations [Member]
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		(714)	(475)	(390)
Expense Reimbursement | Artisan Private Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		190	159	154
Expense Reimbursement | Artisan Private Funds | Consolidation, Eliminations [Member]
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		(79)	(119)	(132)
Subsidiaries [Member] | Management Fees Before Reimbursement Revenue | Artisan Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		638,118	564,413	575,286
Subsidiaries [Member] | Management Fees Before Reimbursement Revenue | Artisan Global Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		53,153	43,868	43,326
Subsidiaries [Member] | Management Fees Before Reimbursement Revenue | Artisan Private Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		13,919	13,863	15,025
Subsidiaries [Member] | Expense Reimbursement | Artisan Funds
Related Party Transaction [Line Items]
Fee waiver / expense reimbursement		1,965	1,788	1,515
Subsidiaries [Member] | Expense Reimbursement | Artisan Global Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		807	477	424
Subsidiaries [Member] | Expense Reimbursement | Artisan Private Funds
Related Party Transaction [Line Items]
Revenue from Contracts with Customers		$ 269	$ 278	$ 286

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