Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cost method investments	$ 26,748	$ 20,868
Fair Value | Term Loan Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Facility	2,359,571	2,328,038
Fair Value | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Facility	1,120,482	1,108,250
Fair Value | Dreamcatcher Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Facility	14,952	18,587
Carrying Amount (1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cost method investments	26,748	20,868	[1]
Carrying Amount (1) | Term Loan Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Facility	2,312,218	2,328,092	[1]
Carrying Amount (1) | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Facility	1,084,563	1,082,534	[1]
Carrying Amount (1) | Dreamcatcher Credit Facility
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt Facility	$ 14,770	$ 18,725	[1]

[1] (1) December 31, 2015 balances have been reclassified to present debt issuance costs as a direct deduction from the carrying amount of an associated debt liability in accordance with ASU 2015-03. See Note 1 for further information.