Income Taxes - Schedule of Income Tax Provision (benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 3,429	$ 4,672	$ (1,660)
State	753	947	(191)
Foreign	1,944	1,624	623
Current Income Tax Expense (Benefit), Total	6,126	7,243	(1,228)
Deferred:
Federal	(3,012)	(3,033)	1,000
State	(563)	(367)	178
Foreign	87	(706)	(52)
Deferred income tax expense (benefit)	(3,488)	(4,106)	1,126
Income tax provision from continuing operations	$ 2,638	$ 3,137	$ (102)