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Off-Balance Sheet Financial Instruments And Guarantees (Schedule of Fair Value, Off-balance Sheet Risks) (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Jun. 30, 2017
Loss Contingencies [Line Items]    
Financial instrument commitments $ 121,372 $ 128,556
Commitments to grant loans [Member]    
Loss Contingencies [Line Items]    
Financial instrument commitments 43,280 51,583
Unfunded commitments under lines of credit [Member]    
Loss Contingencies [Line Items]    
Financial instrument commitments 72,359 69,171
Standby letters of credit [Member]    
Loss Contingencies [Line Items]    
Financial instrument commitments $ 5,733 $ 7,802