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Mortgage Loan Servicing and Loans Originated for Sale (Narrative) (Details)
12 Months Ended
Jun. 30, 2015
USD ($)
category
Jun. 30, 2014
USD ($)
category
Jun. 30, 2013
USD ($)
Servicing Assets at Fair Value [Line Items]      
Escrow balance $ 199,000 $ 215,000  
CPR assumption (weighted-average) 17.50% 38.24%  
Weighted-average discount rate 9.10% 9.14%  
MSA net carrying value $ 396,000 $ 295,000  
Mortgage servicing assets, fair value 470,000 357,000 $ 395,000
Allowance for mortgage servicing assets $ 248,000 $ 259,000 200,000
Number of categories for mortgage servicing assets | category 4 5  
Additions $ 150,000 $ 80,000 104,000
Amortization 60,000 60,000 61,000
Interest-only strips, fair value 63,000 62,000  
Unrealized gain on interest-only strips, gross 62,000 61,000  
Interest-only strips, unamortized cost 1,000 1,000  
Additions to interest-only strips 0 0 0
Amortization of interest-only strips 1,000 1,000 $ 1,000
Loans Serviced for Others [Member]      
Servicing Assets at Fair Value [Line Items]      
Escrow balance $ 309,000 $ 263,000  
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 13.00% 12.00% 20.00%