Components of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Expenses [Line Items]
Current income tax expense (benefit), Federal	$ 25,681	$ 32,137	$ (1,928)
Current income tax expense (benefit), State	5,840	6,592	1,369
Current income tax expense (benefit), Total	31,521	38,729	(559)
Deferred income tax expense (benefit), Federal	11,484	86,703	3,878
Deferred income tax expense (benefit), State	(23)	12,567	1,067
Deferred income tax expense (benefit), Total	11,461	99,270	4,945
Income tax expense	$ 42,982	$ 137,999	$ 4,386