Debt and Other Obligations (Components of Interest Expense and Amortization of Deferred Financing Costs) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Debt and Other Obligations [Abstract]
Interest expense on debt obligations	$ 131,651	$ 122,167
Amortization of deferred financing costs and adjustments on long-term debt	4,551	5,106
Other	(1,715)	(895)
Total	$ 134,487	$ 126,378