Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Contingency [Line Items]
Valuation allowance	$ 2,800
Income tax expense (benefit)	$ 15,947	$ 13,255
Effective tax rate	24.70%	23.80%
Increase in effective tax rate due to decrease in domestic production activities deduction	0.90%
Excess tax benefits from stock based awards	$ 800	$ 1,000
Earliest Tax Year [Member] | Federal Tax Jurisdiction [Member]
Income Tax Contingency [Line Items]
Tax years subject to examination	2017
Latest Tax Year [Member] | Federal Tax Jurisdiction [Member]
Income Tax Contingency [Line Items]
Tax years subject to examination	2020