Supplemental Cash Flow and Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Supplemental Cash Flow Elements [Abstract]
Goodwill, impairment loss	$ 3,104	$ 70,720
Impairment of Long-Lived Assets Held-for-use	4,286	2,625
Inventory write-down	4,075	2,163
Write off of Deferred Debt Issuance Cost	1,058	0
Impairments and other non-cash charges	$ 12,523	$ 75,508	$ 0