Basis of Presentation - Fresh Start (Details)	Apr. 03, 2017
Predecessor
Fresh-Start Adjustment [Line Items]
Voting shares received upon reorganization (less than 50%)	50.00%

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration