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Premises And Equipment (Premises And Equipment) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Property, Plant and Equipment [Line Items]    
Total cost $ 39,902 $ 39,756
Less: Accumulated depreciation (26,381) (26,015)
Net premises and equipment 13,521 13,741
Land [Member]    
Property, Plant and Equipment [Line Items]    
Total cost 2,909 2,962
Building and leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total cost 24,522 24,347
Furniture, fixtures and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Total cost $ 12,471 $ 12,447
Maximum [Member] | Building and leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Life 30 years  
Maximum [Member] | Furniture, fixtures and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Life 10 years  
Minimum [Member] | Building and leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Life 15 years  
Minimum [Member] | Furniture, fixtures and equipment [Member]    
Property, Plant and Equipment [Line Items]    
Estimated Life 3 years