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Loans (Details 4) - Residential Real Estate One to Four Family [Member] - Troubled Debt Restructuring [Member]
$ in Thousands
12 Months Ended
Jun. 30, 2017
USD ($)
Loan
Jun. 30, 2016
USD ($)
Loan
Financing Receivable, Recorded Investment [Line Items]    
TDRs, Number of Loans | Loan 31 35
TDRs, Pre Modification Outstanding Recorded Investment $ 1,970 $ 2,136
TDRs, Post Modification Outstanding Recorded Investment 1,533 1,835
TDRs Performing to Modified Terms [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Modifications, Recorded Investment 657 1,318
TDRs Not Performing to Modified Terms[Member]    
Financing Receivable, Recorded Investment [Line Items]    
Financing Receivable, Modifications, Recorded Investment $ 876 $ 517