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Summary of Components Included in Reorganization Items (Detail) - USD ($) $ in Thousands	3 Months Ended	4 Months Ended	5 Months Ended	6 Months Ended
	Jun. 30, 2017	Jul. 31, 2017	Dec. 31, 2017	Jun. 30, 2017
Reorganizations [Line Items]
Debt, sale leaseback and other reorganization items			$ 1,631
Reorganization-related professional fees			2,668
Loss on reorganization items			$ 4,299
Predecessor
Reorganizations [Line Items]
Gain on settlement of Liabilities subject to compromise		$ (767,640)
Fresh start adjustments		1,820,018
Debt, sale leaseback and other reorganization items		316,504
Reorganization-related professional fees		28,023
Loss on reorganization items	$ 313,176	$ 1,396,905		$ 313,176

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Debt sale leaseback and other reorganization items.

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Amount of reorganization items related to legal and advisory professional fees related to entities in bankruptcy.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 45
-Paragraph 9
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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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