Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.21.1
Document and Entity Information - shares
 3 Months Ended
Mar. 31, 2021
Apr. 30, 2021
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q1  
Title of 12(b) Security Class A Common Stock, par value $0.001 per share  
Trading Symbol SKX  
Security Exchange Name NYSE  
Entity Registrant Name SKECHERS USA INC  
Entity Central Index Key 0001065837  
Entity Current Reporting Status Yes  
Current Fiscal Year End Date --12-31  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Filer Category Large Accelerated Filer  
Entity File Number 001-14429  
Entity Tax Identification Number 95-4376145  
Entity Address, Address Line One 228 Manhattan Beach Blvd.  
Entity Address, City or Town Manhattan Beach  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 90266  
City Area Code 310  
Local Phone Number 318-3100  
Entity Interactive Data Current Yes  
Entity Incorporation, State or Country Code DE  
Document Quarterly Report true  
Document Transition Report false  
Class A Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   134,172,217
Class B Common Stock [Member]    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   20,949,425