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Summary of Significant Accounting Policies - Distribution Fees (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Significant Accounting Policies [Line Items] |  |  |
Distribution, servicing and marketing | $ 24,312 | $ 23,170 | $ 26,561
Other marketing expenses | 2,397 | 2,650 | 2,737
Artisan Funds |  |  |
Significant Accounting Policies [Line Items] |  |  |
Distribution, servicing and marketing | 21,320 | 20,096 | 22,822
Artisan Global Funds |  |  |
Significant Accounting Policies [Line Items] |  |  |
Distribution, servicing and marketing | $ 595 | $ 424 | $ 1,002

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- Definition Amount of selling and marketing expense classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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