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Mortgage Loan Servicing and Loans Originated for Sale (Narrative) (Details)
12 Months Ended
Jun. 30, 2016
USD ($)
category
Jun. 30, 2015
USD ($)
category
Jun. 30, 2014
USD ($)
Servicing Assets at Fair Value [Line Items]      
Escrow balance $ 56,000 $ 199,000  
CPR assumption (weighted-average) 19.68% 17.50%  
Weighted-average discount rate 9.07% 9.10%  
MSA net carrying value $ 627,000 $ 396,000  
Mortgage servicing assets, fair value 627,000 470,000 $ 357,000
Allowance for mortgage servicing assets $ 168,000 $ 248,000 259,000
Number of categories for mortgage servicing assets | category 9 4  
Additions $ 394,000 $ 150,000 80,000
Amortization 243,000 60,000 60,000
Interest-only strips, fair value 47,000 63,000  
Unrealized gain on interest-only strips, gross 47,000 62,000  
Interest-only strips, unamortized cost 0 1,000  
Additions to interest-only strips 0 0 $ 0
Amortization of interest-only strips 1,000    
Loans Serviced for Others [Member]      
Servicing Assets at Fair Value [Line Items]      
Escrow balance $ 482,000 $ 309,000  
Loans Originated for Sale [Member] | Sales to One Investor [Member]      
Servicing Assets at Fair Value [Line Items]      
Loans originated for sale, sold to a single investor 14.00% 13.00% 12.00%