Stockholders' Equity - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Mar. 31, 2015	May. 31, 2014
Stockholders Equity Note [Line Items]
Amount remaining authorized to repurchase shares		$ 100,000,000
Number of Shares Repurchased	2,841,976	0	2,841,976
Shares repurchased, value	$ 99,999,000		$ 99,999,000	$ 99,999,000
Maximum
Stockholders Equity Note [Line Items]
Amount authorized to repurchase shares					$ 200,000,000