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Mortgage Loan Servicing and Loans Originating for Sale (Future Amortization) (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Transfers and Servicing [Abstract]      
2015 $ 188    
2016 158    
2017 127    
2018 100    
2019 80    
Thereafter 244    
Total estimated amortization expense $ 897 $ 795 $ 644