Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Apr. 17, 2015	Nov. 06, 2013
Equity, Class of Treasury Stock [Line Items]
Share repurchase program authorized amount			$ 175,000,000.0	$ 125,000,000.0
Share repurchase program additional authorized amount			$ 50,000,000.0
Treasury stock value	$ 900,000	$ 1,057,000
Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Treasury stock shares acquired	0
Treasury stock available for repurchase	$ 42,400,000
Minimum tax withholding obligations
Equity, Class of Treasury Stock [Line Items]
Treasury stock shares acquired	22,000
Treasury stock value	$ 900,000