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Borrowings (FHLB Advances) (Details) - USD ($)
12 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2015
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]      
Payments to Acquire Federal Home Loan Bank Stock $ 14,000 $ 0 $ 1,038,000
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances 126,200,000 91,300,000  
San Francisco [Member]      
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]      
FHLB – San Francisco advances $ 126,226,000 $ 91,299,000 $ 91,367,000