Income Taxes - Schedule of Components of Investments in Qualified Affordable Housing Projects (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Tax credits and other tax benefits – decrease in tax expense	$ (4,224)	$ (4,200)	$ (2,546)
Amortization – increase in tax expense	$ 3,604	$ 3,581	$ 2,705