Long-Term Debt - Schedule of Debt Components (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 30, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014
Debt Instrument [Line Items]
Debt issuance costs		$ (20,500)	$ (23,500)
Long-term debt, net		1,279,473	1,276,488		$ 1,278,700
Repayments of long-term debt		0	1,264,086	$ 4,800
Series 2014-1 Class A-2 4.227% Fixed Rate Senior Secured Notes
Debt Instrument [Line Items]
Series 2014-1 Class A-2, 4.227% Fixed Rate Senior Secured Notes		$ 1,300,000	$ 1,300,000
Debt instrument, face amount						$ 1,300,000
Senior note interest rate						4.277%
Senior Notes due October 2018, at a fixed rate of 9.5%
Debt Instrument [Line Items]
Senior note interest rate			9.50%
Repayments of long-term debt	$ 760,800