v2.4.0.6
Document and Entity Information (USD $)
12 Months Ended
Dec. 31, 2012
Feb. 26, 2013
Entity Information [Line Items]    
Document Type 10-K  
Amendment Flag false  
Document Period End Date Dec. 31, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus FY  
Trading Symbol TRLA  
Entity Registrant Name TRULIA, INC.  
Entity Central Index Key 0001349454  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Current Reporting Status Yes  
Entity Voluntary Filers No  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   27,652,276
Entity Public Float $ 184,000,000