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Document and Entity Information
Feb. 24, 2020
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001517302
Document Type 8-K
Document Period End Date Feb. 24, 2020
Entity Registrant Name Artisan Partners Asset Management Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-35826
Entity Tax Identification Number 45-0969585
Entity Address, Address Line One 875 E. Wisconsin Avenue
Entity Address, Address Line Two Suite 800
Entity Address, City or Town Milwaukee
Entity Address, State or Province WI
Entity Address, Postal Zip Code 53202
City Area Code (414)
Local Phone Number 390-6100
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Class A common stock, par value $0.01 per share
Trading Symbol APAM
Security Exchange Name NYSE
Entity Emerging Growth Company false