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Note 11 - Stockholders' Equity and Stock Incentive Plans - Share-based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based compensation expense	$ 29,666	$ 32,379	$ 34,066
Restricted Stock Units (RSUs) [Member]
Share-based compensation expense	17,197	17,821	16,210
Performance Shares [Member]
Share-based compensation expense	11,049	13,029	16,432
Career Shares [Member]
Share-based compensation expense	$ 1,420	$ 1,529	$ 1,424

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

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X

- Details

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- Details

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- Details

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