Debt - Schedule of Maturities (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Debt Instrument [Line Items]
2019	$ 385,325
2020	488,321
2021	426,248
2022	415,238
2023	369,510
Thereafter	3,078,004
Total obligations	5,162,646
Less amount representing debt discount and deferred financing costs, net	(18,647)
Less amount representing interest (weighted average interest rate of 7.99%)	(629,343)
Total	4,514,656	$ 5,142,291
Long-term Debt
Debt Instrument [Line Items]
2019	296,986
2020	389,805
2021	336,006
2022	323,606
2023	276,407
Thereafter	2,036,017
Total obligations	3,658,827
Less amount representing debt discount and deferred financing costs, net	(18,647)
Less amount representing interest (weighted average interest rate of 7.99%)	0
Total	$ 3,640,180
Weighted average interest rate	7.99%
Capital and Financing Lease Obligations
Debt Instrument [Line Items]
2019	$ 88,339
2020	98,516
2021	90,242
2022	91,632
2023	93,103
Thereafter	1,041,987
Total obligations	1,503,819
Less amount representing debt discount and deferred financing costs, net	0
Less amount representing interest (weighted average interest rate of 7.99%)	(629,343)
Total	$ 874,476	$ 1,271,554
Weighted average interest rate	7.99%	6.75%