XML 13 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - shares
 9 Months Ended
Nov. 01, 2015
Dec. 15, 2015
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Nov. 01, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
Entity Registrant Name DULUTH HOLDINGS INC.  
Entity Central Index Key 0001649744  
Current Fiscal Year End Date --01-31  
Entity Filer Category Non-accelerated Filer  
Class A common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   3,364,200
Class B common stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   28,951,742