Income Taxes - Income Tax Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Disclosure [Abstract]
Current income tax expense	$ 32,193	$ 31,890	$ 95,429	$ 99,298
Deferred income tax expense (benefit)	(3,452)	(558)	(11,165)	(3,047)
Income tax expense, as reported	$ 28,741	$ 31,332	$ 84,264	$ 96,251
Effective tax rate	16.40%	16.80%	16.50%	16.30%