Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Effective income tax rate	21.00%		35.00%
Components of income tax expense [Abstract]
Current income tax expense	$ 728	$ 443
Deferred income tax expense (benefit)	352	(164)
Reported income tax expense	1,080	279
Reconciliation of expected federal income tax expense [Abstract]
Expected tax expense	1,877	1,092
Interest expense on tax-exempt assets	7	18
Low-income housing tax credit	(440)	(496)
Tax-exempt interest, net	(201)	(303)
Bank-owned life insurance	(164)	(164)
Other, net	1	132
Reported income tax expense	$ 1,080	$ 279
Effective Income Tax Rate Reconciliation [Abstract]
Effective tax rate	12.10%	5.40%
Deferred tax assets [Abstract]
Allowance for loan losses	$ 2,029	$ 2,123
Nonaccrual loans	17	112
Acquisition accounting	61	120
Other real estate owned	0	21
Net operating losses	677	712
Investments in pass-through entities	122	113
Bank owned life insurance benefit	64	59
Securities available-for-sale	21	573
Stock awards	67	55
Alternative minimum tax	0	292
Deferred compensation	347	236
Other	59	63
Total	3,464	4,479
Deferred tax liabilities [Abstract]
Premises and equipment	345	389
Acquisition accounting	76	86
Deferred loan fees and costs	117	181
Total	538	656
Net deferred tax assets	$ 2,926	$ 3,823