Revenue - Schedule of Accounts Receivable and Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
Sep. 30, 2017	Aug. 31, 2017	Sep. 30, 2018	Aug. 31, 2017	Sep. 30, 2018
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of period	$ 0		$ 1,678		$ 1,586
Add Provision charged to expense	493		(139)		34
Recoveries	12		10		36
Less Charges against allowance	(83)		(449)		(556)
Fresh-start accounting adjustment	0		0		0
Balance, end of period	422	$ 0	$ 1,100	$ 0	$ 1,100
Predecessor
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance, beginning of period	$ 0	1,766		1,945
Add Provision charged to expense		(46)		34
Recoveries		0		25
Less Charges against allowance		(32)		(316)
Fresh-start accounting adjustment		(1,688)		(1,688)
Balance, end of period		$ 0		$ 0

Fresh Start Accounting Adjustment, Increase (Decrease) Receivables

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.4)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of recoveries of receivables doubtful of collection that were previously charged off.

+ References

No definition available.

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.5)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044

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