ORGANIZATION AND NATURE OF BUSINESS - Reorganization items (Details) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	5 Months Ended
Sep. 30, 2018	Sep. 30, 2018	May 31, 2018
Reorganization Adjustments Predecessor Cancellations [Abstract]
Professional fees	$ (972)	$ (1,780)
Reorganization items, net	$ (972)	$ (1,780)
Predecessor [Member]
Reorganization Adjustments Predecessor Cancellations [Abstract]
Gain on settlement of liabilities subject to compromise			$ 128,700
Fresh start valuation adjustments			(700,325)
Professional fees			(13,345)
Other			(2,355)
Reorganization items, net			$ (587,325)

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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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 55
-Paragraph 3
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Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
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Amount of expense (income) related to reorganization items classified as other.

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Amount recognized from the revaluation of assets and liabilities.

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Total amount of reorganization items.

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