Note 16 - Partners' Capital (Predecessor) (Details Textual) - USD ($) $ in Millions	6 Months Ended	8 Months Ended
Jun. 30, 2020	Aug. 21, 2020
HPK, LP [Member]
Net Income (Loss) Allocated to Limited Partners	$ 85	$ 85

Aggregate amount of net income allocated to limited partners.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

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