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Basis of Presentation and Significant Accounting Policies Goodwill (Details) - Successor [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Dec. 31, 2013
Goodwill [Line Items]            
Goodwill $ 0   $ 0   $ 514,511 $ 514,511
Goodwill, Impairment Loss $ (514,511) $ 0 $ (514,511) $ 0 $ 0