Income Taxes - Summary of Net Deferred Tax Assets Included in Statement of Financial Position (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Organizational costs	$ 22	$ 25
Allowance for loan losses	4,827	4,717
Loans held for sale	2,919	695
Stock-based compensation	211	515
Accrued compensation	238	181
Lease liability	3,047	2,492
State taxes	1,059	586
Net unrealized loss on AFS debt securities	503	0
Nonaccrual loan interest income	62	7
Other	49	23
Total deferred tax assets	12,937	9,241
Deferred tax liabilities:
Loan origination costs	(1,477)	(1,110)
Depreciation	(379)	(487)
Right of use asset	(2,633)	(2,006)
Net unrealized gain on AFS debt securities	0	(352)
Other	(39)	(44)
Total deferred tax liabilities	(4,528)	(3,999)
Net deferred tax asset	$ 8,409	$ 5,242