Document and Entity Information Document (USD $)	12 Months Ended
	Dec. 31, 2014	Jun. 30, 2014	Feb. 24, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	Artisan Partners Asset Management Inc.
Entity Central Index Key	0001517302
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Dec. 31, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Amendment Flag	false
Document Information [Line Items]
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Public Float		$ 1,760,665,828
Class A Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding			34,776,571
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding			21,171,551
Class C Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding			17,510,120