Business Segment Information - Schedule of Reconciliation of Operating Profit (Loss) from Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Segment Reporting [Abstract]
Segment profits	$ 25,339	$ 34,317	$ 59,019	$ 137,749
General and administrative expenses	(30,065)	(35,984)	(86,706)	(110,861)
Restructuring costs	(10,470)	0	(10,470)	0
Depreciation and amortization	(53,142)	(60,328)	(164,141)	(181,488)
Gain (Loss) on disposal of assets	128	(1,128)	(133)	(1,119)
Goodwill impairment	(646)	(81,877)	(646)	(81,877)
Operating loss	$ (68,856)	$ (145,000)	$ (203,077)	$ (237,596)