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Organization and Summary of Significant Accounting Policies Organization and Summary of Significant Accounting Policies (Loans Held for Sale) (Details) - USD ($)
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Portion of Loans Held for Investment 64.00% 63.00%  
Minimum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loan sale settlement period 20 days    
Maximum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loan sale settlement period 30 days    
Provident Bank Mortgage (PBM)      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Payments for settlement of repurchase requests $ 0 $ 11,000 $ 470,000