Income Taxes - Summary of Components of the Provision for Income Tax (Benefit) Expense From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Current:
Federal	$ 271
State and local, net of federal income tax benefit	65	$ 10
Foreign	300	298
Total	636	308
Deferred:
Federal	7,296	6,458
State and local, net of federal income tax benefit	696	2,126
Foreign		2,333
Total	7,992	10,917
Total income tax (benefit) expense, from continuing operations	$ 8,628	$ 11,225