Fresh Start Accounting - Additional Information (Detail) - USD ($) $ in Thousands	5 Months Ended
Jun. 30, 2016	Feb. 11, 2016
Reorganizations [Abstract]
Existing voting shares percentage of the predecessor company is less than	50.00%
Estimated enterprise value	$ 954,242	$ 954,242
Discount rate at capital asset pricing model	15.20%
Long-term out outlook and geographical regions of operates estimated rate	2.00%

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration