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Document and Entity Information
In Thousands
9 Months Ended
Sep. 30, 2011
Nov. 11, 2011
Document and Entity Information [Abstract]  
Entity Registrant NameRIVER VALLEY BANCORP 
Entity Central Index Key0001015593 
Trading Symbolrivr 
Entity Current Reporting StatusYes 
Entity Voluntary FilersNo 
Current Fiscal Year End Date--12-31 
Entity Filer CategorySmaller Reporting Company 
Entity Common Stock, Shares Outstanding 1,514,472
Document Type10-Q 
Document Period End DateSep. 30, 2011
Amendment Flagfalse 
Document Fiscal Year Focus2011 
Document Fiscal Period FocusQ3