Income Taxes - Summary of Provision for Income Taxes and Corresponding Effective Tax Rate (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 4,646	$ 9,603	$ 17,959	$ 15,214
Earnings (loss) before income tax	$ 20,332	$ 33,749	$ 91,345	$ 40,911
Effective tax rate	22.90%	28.50%	19.70%	37.20%