Income Taxes Income Taxes - Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Federal
Current	$ 28,596	$ 1,569	$ 26
Deferred	6,679	37,570	24,262
Total federal income tax expense	35,275	39,139	24,288
State
Current	3,271	2,162	1,235
Deferred	(703)	971	1,158
Total state tax expense	2,568	3,133	2,393
Foreign
Current	4,305	1,596	3,113
Deferred	(67)	669	(950)
Total foreign tax expense	4,238	2,265	2,163
Provision for income taxes	$ 42,081	$ 44,537	$ 28,844