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Fair Value of Financial Instruments (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
loan
Dec. 31, 2017
USD ($)
loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired Financing Receivable, Recorded Investment $ 1,319 $ 1,247
Impaired Loans, Cumulative Charge-Offs 428  
Impaired Loans [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired Financing Receivable, Recorded Investment $ 1,319 $ 1,247
Number of impaired loans not requiring a valuation allowance | loan 6 5
Impaired Loans, Cumulative Charge-Offs   $ 277