Debt and Other Obligations (Components of Interest Expense and Amortization of Deferred Financing Costs) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Debt and Other Obligations [Abstract]
Interest expense on debt obligations	$ 139,349	$ 125,580	$ 271,000	$ 247,747
Amortization of deferred financing costs and adjustments on long-term debt	4,540	4,815	9,091	9,921
Other	(2,120)	(1,033)	(3,835)	(1,928)
Total	$ 141,769	$ 129,362	$ 276,256	$ 255,740