Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss, Additional Information (Details) - Successor [Member] - USD ($) $ in Thousands	Jun. 30, 2016	Apr. 13, 2016
Accumulated Other Comprehensive Loss [Line Items]
Balances	$ 2,048,227	$ 2,158,141
Postretirement Benefit Net Loss [Member]
Accumulated Other Comprehensive Loss [Line Items]
Balances	0	0
Net Loss on Cash Flow Hedges [Member]
Accumulated Other Comprehensive Loss [Line Items]
Balances	0	0
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Loss [Line Items]
Balances	$ 0	$ 0

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 55
-Paragraph 4I
-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4590271-111686

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4568740-111683

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4568447-111683

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant