Commitments and Contingencies (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) LetterofCredit	Dec. 31, 2019 USD ($)
Commitments to extend credit [Abstract]
Commitments to extend credit	$ 151,586	$ 140,225
Home Equity Lines of Credit [Member]
Commitments to extend credit [Abstract]
Commitments to extend credit	66,999	62,267
Commercial Real Estate, Construction and Development Loans Committed but not Funded [Member]
Commitments to extend credit [Abstract]
Commitments to extend credit	20,258	15,637
Other Lines of Credit (Principally Commercial) [Member]
Commitments to extend credit [Abstract]
Commitments to extend credit	64,329	62,321
Letters of Credit [Member]
Commitments to extend credit [Abstract]
Commitments to extend credit	$ 4,841	$ 7,724
Standby Letters of Credit [Member]
Commitments to extend credit [Abstract]
Typical expiration period	1 year
Standby Letter of Credit Expires in Year 2022 [Member]
Commitments to extend credit [Abstract]
Number of letters with expiration period greater than one year | LetterofCredit	1
Expiration date of letters with expiration period greater than one year	Dec. 31, 2022
Standby Letter of Credit Expires in Year 2023 [Member]
Commitments to extend credit [Abstract]
Number of letters with expiration period greater than one year | LetterofCredit	2
Expiration date of letters with expiration period greater than one year	Dec. 31, 2023