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Note 4 - Goodwill - Goodwill Activity (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Balance, goodwill	$ 971,287	$ 1,083,287	$ 1,062,102
Final purchase price adjustments, goodwill			21,185
Impairments		(112,000)
Account activity	0
Balance, goodwill	$ 971,287	$ 971,287	$ 1,083,287

X

- Definition

Represents goodwill account activity.

+ References

No definition available.

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X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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X

- Definition

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.

+ References

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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting 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.

+ References

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