v3.10.0.1
Document and Entity Information - shares
9 Months Ended
Sep. 30, 2018
Oct. 22, 2018
Document And Entity Information    
Entity Registrant Name TILE SHOP HOLDINGS, INC.  
Entity Central Index Key 0001552800  
Entity Filer Category Large Accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Document Type 10-Q  
Document Fiscal Period Focus Q3  
Document Period End Date Sep. 30, 2018  
Document Fiscal Year Focus 2018  
Current Fiscal Year End Date --12-31  
Trading Symbol tts  
Amendment Flag false  
Entity Common Stock, Shares Outstanding (in shares)   52,759,558