Fair Values (Quantitative Information About Level 3 Fair Value Measurements) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 1,523	$ 1,814
Other real estate owned, fair value	1,247	817
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	1,523	1,814
Other real estate owned, fair value	1,247	817
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Residential Mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	72	4
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Mortgage [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	659	46
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Term [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	754	1,648
Level 3 [Member] | Fair Value, Measurements, Nonrecurring [Member] | Consumer: Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impaired loans	$ 38	$ 116
Level 3 [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Disposal Costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Residential Mortgage [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Mortgage [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(14.00%)	(8.00%)
Level 3 [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Term [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	0.00%	0.00%
Level 3 [Member] | Minimum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Consumer: Other [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Disposal Costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Residential Mortgage [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Mortgage [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(14.00%)	(8.00%)
Level 3 [Member] | Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Term [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(16.00%)	(9.00%)
Level 3 [Member] | Maximum [Member] | Fair Value, Measurements, Nonrecurring [Member] | Consumer: Other [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Weighted Average [Member] | Consumer: Other [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)		(8.00%)
Level 3 [Member] | Weighted Average [Member] | Fair Value, Measurements, Nonrecurring [Member] | Disposal Costs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Weighted Average [Member] | Fair Value, Measurements, Nonrecurring [Member] | Residential Mortgage [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)
Level 3 [Member] | Weighted Average [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Mortgage [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(14.00%)	(8.00%)
Level 3 [Member] | Weighted Average [Member] | Fair Value, Measurements, Nonrecurring [Member] | Commercial Term [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(11.00%)	(8.00%)
Level 3 [Member] | Weighted Average [Member] | Fair Value, Measurements, Nonrecurring [Member] | Consumer: Other [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Range (Weighted Average)	(8.00%)	(8.00%)