v3.19.1
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2019
May 02, 2019
Document And Entity Information    
Entity Registrant Name TILE SHOP HOLDINGS, INC.  
Entity Central Index Key 0001552800  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Fiscal Period Focus Q1  
Document Period End Date Mar. 31, 2019  
Document Fiscal Year Focus 2019  
Current Fiscal Year End Date --12-31  
Trading Symbol tts  
Amendment Flag false  
Entity Common Stock, Shares Outstanding (in shares)   52,951,217