Emergence from Bankruptcy and Fresh Start Accounting (Liabilities Subject to Compromise) (Details) $ in Thousands	Oct. 01, 2016 USD ($)
Reorganizations [Abstract]
Liabilities subject to compromise	$ 5,278,612
Common stock (at par) Successor	(250)
Warrants Successor	(14,822)
Paid-in capital Successor	(672,411)
Issuance of Term Loan Successor	(326,500)
Cash payment to settle claims and professional fees	(122,525)
Total pre-tax gain on plan effects	$ 4,142,104

Liabilities Subject to Compromise, Issuance of Debt

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Liabilities Subject to Compromise, Payments to Settle Claims and Professional Fees

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Liabilities Subject to Compromise, Settlement of Additional Paid in Capital

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Liabilities Subject to Compromise, Settlement of Common Stock

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Liabilities Subject to Compromise, Settlement of Warrants

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Amount of net gain (loss) on settlement of other claims for entities in bankruptcy, reported as a reorganization item.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 45
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=64805424&loc=d3e55730-112764

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-SubTopic 10
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=34712771&loc=d3e56145-112766

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Total amount of liabilities subject to compromise.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=34712771&loc=d3e56145-112766

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