Income Taxes, Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets [Abstract]
Allowance for loan losses	$ 2,395	$ 1,918
Non-accrual loans	156	60
Deferred revenue	302	165
Deferred compensation	152	78
Total deferred tax assets	3,005	2,221
Deferred tax liabilities [Abstract]
Property and equipment	(753)	(320)
Intangible assets	(180)	(202)
Prepaid expenses	(94)	(122)
Method change IRC 481(a)	0	(476)
Other	(14)	(12)
Total deferred tax liabilities	(1,041)	(1,132)
Net deferred tax assets	$ 1,964	$ 1,089