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Ownership, Description of Business, and Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Debt issuance costs $ 38,380 $ 41,655
Accounting Standards Update 2015-03 [Member] | Long-term Debt [Member]    
Debt Instrument [Line Items]    
Debt issuance costs   41,700
Accounting Standards Update 2015-03 [Member] | Other Assets [Member]    
Debt Instrument [Line Items]    
Debt issuance costs   $ (41,700)