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Loans Receivable and Allowance for Credit Losses (Loan Purchases, Sales And Transfers Narrative) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES    
Loans held-for-sale $ 294 $ 275
Real estate loan | Single Family Residential    
LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES    
Loans held-for-sale $ 294 $ 275