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FRESH-START ACCOUNTING-Reorganization items (Details) - USD ($) $ in Thousands		4 Months Ended	8 Months Ended
	Sep. 09, 2016	Dec. 31, 2016	Sep. 09, 2016
Reorganization Items
Gain on settlement of Liabilities subject to compromise	$ 1,368,908
Reorganization professional fees and other		$ (2,049)
Gain (loss) on reorganization items		$ (2,049)
Predecessor
Reorganization Items
Gain on settlement of Liabilities subject to compromise			$ 1,368,908
Fresh start adjustments			(392,232)
Reorganization professional fees and other			(30,287)
Write-off of debt discounts/premium and debt issuance costs			(32,667)
Gain (loss) on reorganization items			$ 913,722

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Represents the amount of gain (loss) on fresh start accounting adjustments reported within the summary of reorganization items.

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Represents the debtor reorganization items for professional fees and other expenses related to bankruptcy.

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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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-Name Accounting Standards Codification
-Topic 852
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-Section 55
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56145-112766

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Amount of write-off of debt issuance costs and debt discounts related to prepetition debt obligations.

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-Name Accounting Standards Codification
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-SubTopic 10
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Total amount of reorganization items.

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