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Document and Entity Information
 3 Months Ended
Mar. 31, 2013
Document Information [Line Items]  
Document Type S-11/A
Amendment Flag true
Amendment Description Amendment No. 3 to Form S-11
Document Period End Date Mar. 31, 2013
Trading Symbol ck0001466085
Entity Registrant Name INDEPENDENCE REALTY TRUST, INC
Entity Central Index Key 0001466085
Entity Filer Category Non-accelerated Filer