Income Taxes - Summary of Provision for Income Taxes and Corresponding Effective Tax Rate (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income tax expense	$ 5,748	$ 205	$ 13,313	$ 5,611
Earnings (loss) before income tax	$ 30,539	$ (10,117)	$ 71,013	$ 7,162
Effective tax rate	18.80%	(2.00%)	18.70%	78.30%