Basis of Presentation (Details) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 12, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 12, 2016 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)
Accounting Policies [Abstract]
Net income (loss) attributable to common shareholders	$ (3,441)	$ 1,150,055	$ 19,965	$ 1,048,630		$ (129,463)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Long-term Debt	$ 54,350				$ 54,350		$ 1,245,000
Restructuring and Related Cost, Number of Positions Eliminated					45
Severance and Termination Benefits					$ 1,200