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Note 19 - Stock-based Compensation - SARs Activity (Details) - Stock Appreciation Rights (SARs) [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2026 | Dec. 31, 2025 | Dec. 31, 2024
Outstanding (in shares) |  | 338 |  | 340 |
Outstanding, aggregate intrinsic value | [1] | $ 6,771 |  | $ 6,354 | $ 9,774
Outstanding, weighted average fair value (in dollars per share) |  | $ 11.04 |  | $ 10.21 | $ 8.69
Outstanding, weighted average remaining contractual life (Year) |  | 5 years 1 month 6 days |  | 5 years | 5 years 3 months 18 days
Granted (in shares) |  | 29 |  | 26 |
Granted, exercise price (in dollars per share) |  |  |  | $ 74.93 |
Granted, aggregate intrinsic value | [1] | $ 0 |  | $ 0 |
Granted, weighted average fair value (in dollars per share) |  | $ 20.86 |  | $ 23.63 |
Exercised (in shares) |  | (0) |  | (28) |
Exercised, aggregate intrinsic value | [1] |  |  | $ 1,332 |
Exercised, exercised weighted average fair value (in dollars per share) |  |  |  | $ 4.32 |
Forefeited (in shares) |  | 0 |  | 0 |
Exercised (in shares) |  | 0 |  | 28 |
Outstanding (in shares) |  | 367 |  | 338 | 340
Outstanding, exercise price (in dollars per share) |  | $ 48.66 |  |  |
Vested and exercisable (in shares) |  | 275 |  |  |
Vested and exercisable, exercise price (in dollars per share) |  | $ 43.88 |  |  |
Vested and exercisable, aggregate intrinsic value | [1] | $ 6,206 |  |  |
Vested and exercisable, weighted average fair value (in dollars per share) |  | $ 8.55 |  |  |
Vested and exercisable, weighted average remaining contractual life (Year) |  | 4 years |  |  |
Unvested (in shares) |  | 92 |  |  |
Unvested, exercise price (in dollars per share) |  | $ 62.83 |  |  |
Unvested, aggregate intrinsic value | [1] | $ 565 |  |  |
Unvested, weighted average fair value (in dollars per share) |  | $ 18.46 |  |  |
Unvested, weighted average remaining contractual life (Year) |  | 3 years 8 months 12 days |  |  |
Vested in the current year (in shares) |  | 29 |  |  |
Vested in the current year, exercise price (in dollars per share) |  | $ 57.12 |  |  |
Vested in the current year, aggregate intrinsic value | [1] | $ 269 |  |  |
Vested in the current year, weighted average fair value (in dollars per share) |  | $ 14.97 |  |  |
Minimum [Member] |  |  |  |  |
Outstanding, exercise price (in dollars per share) |  | 35.9 |  | $ 25.76 |
Granted, exercise price (in dollars per share) |  | 68.33 |  | 67.85 |
Exercised, exercise price (in dollars per share) |  | 0 |  | 25.76 |
Outstanding, exercise price (in dollars per share) |  | 35.9 |  | 35.9 | $ 25.76
Vested and exercisable, exercise price (in dollars per share) |  | 35.9 |  |  |
Unvested, exercise price (in dollars per share) |  | 47.17 |  |  |
Vested in the current year, exercise price (in dollars per share) |  | 47.17 |  |  |
Maximum [Member] |  |  |  |  |
Outstanding, exercise price (in dollars per share) |  | 75.21 |  | 74.92 |
Granted, exercise price (in dollars per share) |  | 68.33 |  | 75.21 |
Exercised, exercise price (in dollars per share) |  | 0 | [1] | 40 |
Outstanding, exercise price (in dollars per share) |  | 75.21 |  | 75.21 | 74.92
Vested and exercisable, exercise price (in dollars per share) |  | 75.21 |  |  |
Unvested, exercise price (in dollars per share) |  | 75.21 |  |  |
Vested in the current year, exercise price (in dollars per share) |  | 75.21 |  |  |
Weighted Average [Member] |  |  |  |  |
Outstanding, exercise price (in dollars per share) |  | 46.98 |  | 43.41 |
Granted, exercise price (in dollars per share) |  | 68.33 |  |  |
Exercised, exercise price (in dollars per share) |  | 0 |  | 29.67 |
Outstanding, exercise price (in dollars per share) |  | $ 48.66 |  | $ 46.98 | $ 43.41
[1] | Aggregate intrinsic value for SARs is defined as the amount by which the current market price of the underlying stock exceeds the exercise or grant price.

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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