Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets [Abstract]
Allowance for loan losses	$ 1,098	$ 1,087
Securities available for sale		228
Impairment on securities		93
Interest on nonaccrual loans	40	143
Accrued vacation	76	73
SERP obligation	479	509
OREO	219	219
Accumulated depreciation	97	51
Restricted stock	108	92
Other	254	209
Total	2,371	2,704
Deferred tax liabilities [Abstract]
Securities available for sale	344
Other	11	54
Total	355	54
Net deferred tax assets	$ 2,016	$ 2,650