Fair Values of Financial Instruments - Estimated Fair Value and Related Carrying Values of Financial Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Financial assets:
Restricted stock		$ 4,889	$ 4,869	[1]
Bank owned life insurance		18,592	18,254	[1]
Other real estate owned	[1]		837
Financial liabilities:
Subordinated notes payable		22,203	22,168	[1]
Other borrowings		811	755	[1]
Carrying Amount
Financial assets:
Cash and due from banks		12,784	12,887
Interest bearing deposits		210,935	297,902
Federal funds sold		24,573	28,040
Available for sale		131,465	122,021
Loans held for sale		201	4,064
Loans, net of allowance for credit losses		1,190,142	1,102,539
Accrued interest receivable		4,035	4,313
Restricted stock		4,889	4,869
Other investments		4,864	5,065
Bank owned life insurance		18,592	18,254
Other real estate owned			837
Financial liabilities:
Deposits		1,455,944	1,442,876
Accrued interest payable on deposits		189	280
FHLB advances		25,819	26,313
Subordinated notes payable		22,203	22,168
Other borrowings		811	755
Estimated Fair Value
Financial assets:
Cash and due from banks		12,784	12,887
Interest bearing deposits		210,935	297,902
Federal funds sold		24,573	28,040
Available for sale		131,465	122,021
Loans held for sale		201	4,064
Loans, net of allowance for credit losses		1,119,240	1,089,812
Accrued interest receivable		4,035	4,313
Restricted stock		4,889	4,869
Other investments		4,864	5,065
Bank owned life insurance		18,592	18,254
Other real estate owned			837
Financial liabilities:
Deposits		1,446,907	1,443,864
Accrued interest payable on deposits		189	280
FHLB advances		24,934	27,007
Subordinated notes payable		26,506	30,091
Other borrowings		811	755
Level 1 | Estimated Fair Value
Financial assets:
Cash and due from banks		12,784	12,887
Interest bearing deposits		210,935	297,902
Federal funds sold		24,573	28,040
Level 2 | Estimated Fair Value
Financial assets:
Available for sale		131,465	122,021
Loans held for sale		201	4,064
Accrued interest receivable		4,035	4,313
Restricted stock		4,889	4,869
Other investments		4,864	5,065
Bank owned life insurance		18,592	18,254
Financial liabilities:
Deposits		1,152,907	1,063,619
Accrued interest payable on deposits		189	280
FHLB advances		24,934	27,007
Subordinated notes payable		26,506	30,091
Level 3 | Estimated Fair Value
Financial assets:
Loans, net of allowance for credit losses		1,119,240	1,089,812
Other real estate owned			837
Financial liabilities:
Deposits		294,000	380,245
Other borrowings		$ 811	$ 755

[1] * Derived from audited consolidated financial statements.