Income Taxes - Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Current federal income tax	$ 44,335	$ 50,429	$ 40,527
Current state income tax	346	175	350
Deferred federal income tax expense (benefit)	(359)	(4,205)	3,531
INCOME TAX EXPENSE	$ 44,322	$ 46,399	$ 44,408