Income Taxes - Significant Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Allowance for loan losses	$ 5,428	$ 5,254
Deferred loan fees		214
Interest on nonaccrual loans	154	102
Unrealized loss on available-for-sale securities	1,929	399
Amortization of intangible assets	45	50
Deferred rent payable	181	152
Net operating losses	4,557	3,280
Charitable contribution carryforward	1,621	366
Compensation and benefits	666	456
Other	259	264
Total gross deferred tax assets	14,840	10,537
Deferred tax liabilities:
Depreciation of premises and equipment	1,301	1,301
Deferred loan fees	515
Other	63	63
Total gross deferred tax liabilities	1,879	1,364
Valuation allowance	5,521	5,353
Net deferred tax assets	$ 7,440	$ 3,820