Document and Entity Information Statement
9 Months Ended
Sep. 30, 2014
Nov. 04, 2014
Common Class A [Member]
Nov. 04, 2014
Common Class B [Member]
Document Information [Line Items]      
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Sep. 30, 2014    
Document Fiscal Year Focus 2014    
Document Fiscal Period Focus Q3    
Entity Registrant Name TABLEAU SOFTWARE INC    
Entity Central Index Key 0001303652    
Current Fiscal Year End Date --12-31    
Entity Filer Category Non-accelerated Filer    
Entity Common Stock, Shares Outstanding   44,649,460 24,686,254