Income Taxes - Components of the Income Tax Provision (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 8,286	$ 12,420	$ (1,678)
State	1,624	3,069	654
Foreign	1,587	1,336	843
Total current	11,497	16,825	(181)
Deferred:
Federal	(3,935)	(4,449)	13,485
State	(562)	(736)	1,186
Foreign	(32)	(5,782)	466
Total deferred	(4,529)	(10,967)	15,137
Income tax provision	$ 6,968	$ 5,858	$ 14,956