Note 4 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Asset Impairment Charges, Total	$ (0)	$ 287,454	$ 49,036
Goodwill, Impairment Loss	0	191,893	26,422
Impairment, Long-Lived Asset, Held-for-Use, Total	0	19,993	4,713
Impairment of Intangible Assets, Finite-lived	0	60,394	17,901
Operating Lease, Impairment Loss		$ 15,174	$ 0
Drawdowns as Loans [Member] \| New Credit Facility [Member]
Long-term Debt, Fair Value	$ 0

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.

+ References

No definition available.

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- Definition

Amount of loss from impairment of right-of-use asset from operating lease.

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