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Basis of Presentation and Significant Accounting Policies (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
Goodwill [Roll Forward]          
Beginning balance     $ 514,511 $ 514,511 $ 514,511
Accumulated impairment loss $ 514,511 $ 0 514,511 0 0
Ending balance 0   0   $ 514,511
Reorganization items $ 0 $ 2 $ 0 $ 211