Note 5 - Derivative Financial Instruments - Summary of the Effect of Derivatives on the Condensed Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
Dec. 31, 2020	Aug. 21, 2020	Dec. 31, 2021
Noncash derivative gain (loss), net	$ (0)	$ (0)	$ (15,467)
Cash payments on settled derivatives, net	0	0	(11,267)
Derivative gain (loss), net	$ 0	$ 0	$ (26,734)

The amount of net cash receipts from payments on derivatives.

No definition available.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4CC
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL109998890-113959

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959

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