Chapter 11 Cases and Subsequent Events Subsequent Events (Policies)	3 Months Ended
Mar. 31, 2020
Subsequent Event [Line Items]
Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]	Other Subsequent Events In April 2020, we closed our coiled tubing operations and idled all our coiled tubing equipment, which were subsequently placed as held for sale.

The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2122178

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