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Fair Value of Assets and Liabilities (Assets and Liabilities Measured on Nonreucrring Basis) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans   $ 769
Foreclosed assets $ 2,495 3,254
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 0 0
Foreclosed assets 0 0
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 0 0
Foreclosed assets 0 0
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Impaired loans 671 769
Foreclosed assets $ 2,495 $ 3,254