Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Pretax income at statutory rate	$ 727,329	$ 72,956
State income tax expense, net of federal benefit	114,775	13,469
Tax-exempt income	68,496	63,192
Change in valuation allowance	21,759	10,058
Other	27,646	6,463
Income tax benefit	$ 823,013	$ 39,754