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Note 9 - Fair Value Measurement - Details of Fair Value Adjustment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Total fair value adjustments, net | $ 17,625 | $ 3,654 | $ 30,867 | $ 6,804
Fair Value, Inputs, Level 1 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Unrealized gain on equity securities investments | $ 25,255 | $ 3,260 | $ 33,762 | $ 8,895
Unrealized gain on equity securities investments | Change in fair value of derivative contracts designated as hedge transactions - inclusive of tax | Change in fair value of derivative contracts designated as hedge transactions - inclusive of tax | Change in fair value of derivative contracts designated as hedge transactions - inclusive of tax | Change in fair value of derivative contracts designated as hedge transactions - inclusive of tax
Derivative [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
(Loss) gain on derivative contracts | $ (7,630) | $ 394 | $ (2,895) | $ (2,091)

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- Definition Amount of unrealized gain (loss) recognized in income from asset (liability) measured at fair value on recurring basis using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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