Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Uncertain tax positions or unrecognized tax benefits	$ 0	$ 0	$ 0
Accrued interest and penalty	0	0	0
Income tax expense	$ 3,991,000	$ 9,348,000	$ 9,517,000
Effective tax rate	35.50%	25.30%	26.40%