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Loans and Allowance for Loan and Lease Losses (Schedule of Accretion of Purchased Impaired Loan) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Accounts Notes Loans And Financing Receivable Gross Allowance And Net [Abstract]    
Accretable yield, beginning balance $ 89 $ 309
Accretable yield amortized to interest income (17) (55)
Accretable yield, ending balance $ 72 $ 254