Commitments and Contingencies (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	$ 128,958	$ 140,225
Home Equity Lines of Credit [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	62,904	62,267
Commercial Real Estate, Construction and Development Loans Committed but not Funded [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	17,619	15,637
Other Lines of Credit (Principally Commercial) [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	48,435	62,321
Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks [Abstract]
Commitments to extend credit	$ 8,451	$ 7,724