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Loans Held For Investment: Schedule of Troubled Debt Restructurings by Nonaccrual Versus Accrual Status (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Jun. 30, 2016
Financing Receivable, Modifications [Line Items]    
Restructured loans on non-accrual status $ 3,126 $ 3,308
Restructured loans on accrual status 506 1,290
Restructured loans 3,632 4,598
Mortgage loans, Single-family    
Financing Receivable, Modifications [Line Items]    
Restructured loans on non-accrual status 3,061 3,232
Restructured loans on accrual status 506 1,290
Commercial Loan [Member]    
Financing Receivable, Modifications [Line Items]    
Restructured loans on non-accrual status $ 65 $ 76