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OPERATING COMMITMENTS AND CONTINGENCIES (Details)	Apr. 01, 2019
Weatherford Litigation
OPERATING COMMITMENTS AND CONTINGENCIES
Number of other parties named as defendants	eighteen

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- Definition

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

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-Section 50
-Paragraph 9
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