v2.4.0.8
Document and Entity Information (USD $)
12 Months Ended
Jan. 31, 2015
Apr. 02, 2015
Aug. 01, 2014
Document And Entity Information [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jan. 31, 2015    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus FY    
Trading Symbol SPWH    
Entity Registrant Name SPORTSMAN'S WAREHOUSE HOLDINGS, INC.    
Entity Central Index Key 0001132105    
Current Fiscal Year End Date --01-31    
Entity Filer Category Non-accelerated Filer    
Entity Common Stock, Shares Outstanding   41,818,235  
Entity Well Known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 98,875,367