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Document and Entity Information (USD $)
 12 Months Ended
Jun. 30, 2013
Aug. 30, 2013
Dec. 31, 2012
Document and Entity Information:      
Entity Registrant Name HomeTrust Bancshares, Inc.    
Document Type 10-K    
Document Period End Date Jun. 30, 2013    
Amendment Flag false    
Entity Central Index Key 0001538263    
Current Fiscal Year End Date --06-30    
Entity Common Stock, Shares Outstanding   20,812,659  
Entity Public Float     $ 271,900,000
Entity Filer Category Accelerated Filer    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well-known Seasoned Issuer No    
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus FY