Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Tax Contingency [Line Items]
Valuation allowance	$ 3,000
Income tax expense (benefit)	$ 13,255	$ 7,700
Effective tax rate	23.80%	19.60%
Decrease in effective tax rate due to increase in domestic production activities deduction	4.20%
Excess tax benefits from stock based awards	$ 1,000	$ 2,300
Earliest Tax Year [Member] | Federal Tax Jurisdiction [Member]
Income Tax Contingency [Line Items]
Tax years subject to examination	2016
Latest Tax Year [Member] | Federal Tax Jurisdiction [Member]
Income Tax Contingency [Line Items]
Tax years subject to examination	2019