Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

Document and Entity Information
9 Months Ended
Sep. 30, 2013
Nov. 01, 2013
Class A Common Stock [Member]
Nov. 01, 2013
Class B Common Stock [Member]
Document Information [Line Items]      
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Sep. 30, 2013    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus Q3    
Trading Symbol SKX    
Entity Registrant Name SKECHERS USA INC    
Entity Central Index Key 0001065837    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Common Stock, Shares Outstanding   39,576,544 11,169,694