v3.8.0.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2017
Oct. 23, 2017
Document And Entity Information    
Entity Registrant Name TILE SHOP HOLDINGS, INC.  
Entity Central Index Key 0001552800  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Fiscal Period Focus Q3  
Document Period End Date Sep. 30, 2017  
Document Fiscal Year Focus 2017  
Current Fiscal Year End Date --12-31  
Trading Symbol tts  
Amendment Flag false  
Entity Common Stock, Shares Outstanding (in shares)   52,158,065