Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Components of income tax expense [Abstract]
Current income tax expense	$ 1,155	$ 728
Deferred income tax expense (benefit)	(634)	352
Reported tax expense	521	1,080
Reconciliation of expected federal income tax expense [Abstract]
Expected tax expense	1,241	1,877
Interest expense on tax-exempt assets	5	7
Low-income housing tax credit	(413)	(440)
Tax-exempt interest, net	(147)	(201)
Bank-owned life insurance	(176)	(164)
Other, net	11	1
Reported tax expense	$ 521	$ 1,080
Effective Income Tax Rate Reconciliation [Abstract]
Effective tax rate	8.80%	12.10%
Deferred tax assets [Abstract]
Allowance for loan losses	$ 2,017	$ 2,029
Nonaccrual loans	9	17
Acquisition accounting	14	61
Net operating losses	643	677
Investments in pass-through entities	224	122
Bank owned life insurance benefit	68	64
Securities available-for-sale	0	21
Stock awards	97	67
Deferred compensation	397	347
Deferred loan fees and costs	443	0
Other	55	59
Total	3,967	3,464
Deferred tax liabilities [Abstract]
Premises and equipment	363	345
Acquisition accounting	67	76
Deferred loan fees and costs	0	117
Securities available-for-sale	1,081	0
Total	1,511	538
Net deferred tax assets	$ 2,456	$ 2,926