Stockholders' Equity - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2019	Aug. 31, 2019
Stockholders Equity Note [Abstract]
Stock repurchase program, authorized amount				$ 200,000
Shares repurchased (in shares)	137,432		318,361
Shares repurchased, value	$ 25,002	$ 34,874	$ 59,900
Stock repurchase program, remaining authorized repurchase amount	$ 140,100		$ 140,100