Fair Value (Assets And Liabilities Measured At Fair Value On A Non-Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Impaired loans:
Total impaired loans	$ 3,605	$ 3,830
Fair Value, Measurements, Nonrecurring [Member]
Impaired loans:
Total impaired loans	3,018
Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans		3,063
Commercial [Member] | Fair Value, Measurements, Nonrecurring [Member]
Impaired loans:
Total impaired loans	103
Commercial [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans		115
Single-Family Residential [Member] | Fair Value, Measurements, Nonrecurring [Member]
Impaired loans:
Total impaired loans	112
Single-Family Residential [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans		116
Non-Owner Occupied [Member] | Fair Value, Measurements, Nonrecurring [Member]
Impaired loans:
Total impaired loans	$ 2,803
Non-Owner Occupied [Member] | Fair Value, Measurements, Nonrecurring [Member] | Fair Value, Inputs, Level 3 [Member]
Impaired loans:
Total impaired loans		$ 2,832