Related Party Transactions (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015		Oct. 01, 2014
Related Party Transaction [Line Items]
Long-term Debt	$ 3,411,551	$ 3,429,351	[1]
Principal Owner | HWW | Minimum | Oaktree Group
Related Party Transaction [Line Items]
Investment ownership, percentage				10.00%
Principal Owner | HWW | Maximum | Oaktree Group
Related Party Transaction [Line Items]
Investment ownership, percentage				15.00%
Equity Funds | Principal Owner
Related Party Transaction [Line Items]
Fair value of investment in loan fund limited partnership		30,000
Long-term Debt	$ 31,000	$ 38,000

[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.