Commitments and Contingencies (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	$ 150,695	$ 147,237
Home Equity Lines of Credit [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	61,927	61,014
Commercial Real Estate, Construction and Development Loans Committed but not Funded [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	16,436	12,165
Other Lines of Credit (Principally Commercial) [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	72,332	74,058
Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	$ 8,212	$ 8,230