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Document and Entity Information Document
9 Months Ended
Sep. 30, 2013
Nov. 06, 2013
Class A Common Stock
Nov. 06, 2013
Class B Common Stock
Nov. 06, 2013
Class C Common Stock
Document Information [Line Items]        
Entity Common Stock, Shares Outstanding   19,807,436 25,629,149 24,849,294
Entity Registrant Name Artisan Partners Asset Management Inc.      
Entity Central Index Key 0001517302      
Current Fiscal Year End Date --12-31      
Entity Filer Category Non-accelerated Filer      
Document Type 10-Q      
Document Period End Date Sep. 30, 2013      
Document Fiscal Year Focus 2013      
Document Fiscal Period Focus Q3      
Amendment Flag false