Discontinued Operations - Schedule of Disposal Groups (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Discontinued Operations and Disposal Groups [Abstract]
Revenue		$ 27,025	$ 70,041
Operating loss		(322)	(4,704)
Other expense		(752)	(458)
Loss on disposal		(5,207)	(16,098)
Net loss from discontinued operations	$ 0	$ (6,281)	$ (21,260)