Fresh Start Accounting - Reconciliation of the Enterprise Value to the Estimated Fair Value of the Successor Company's Common Stock (Details) $ / shares in Units, shares in Thousands, $ in Thousands	Apr. 22, 2016 USD ($) $ / shares shares
Fresh-Start Adjustment [Line Items]
Enterprise Value	$ 473,660
Plus: Cash and cash equivalents	8,739
Less: Fair value of debt	(253,000)
Less: Fair value of warrants	(14,967)
Fair value of Successor common stock	$ 214,432
Shares outstanding at April 22, 2016 \| shares	10,000
Former Holders of Senior Notes [Member]
Fresh-Start Adjustment [Line Items]
Per share value \| $ / shares	$ 21.44

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- Definition

Enterprise Value

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- Definition

Stockholders' Equity Attributable to Parent, Excluding Warrants

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Stockholders' Equity Attributable to Parent, Excluding Warrants, Per Share

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

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- Definition

Amount of cash and cash equivalents at the balance sheet date after fresh-start adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=34712771&loc=d3e56426-112766

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6918054&loc=SL2890621-112765

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