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Note 10 - Fair Value Measurement - Details of Fair Value Adjustment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Fair Value, Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent | Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent | Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax, Parent
Total fair value adjustments, net | $ (4,723) | $ (35,792) | $ (11,806)
Fair Value, Inputs, Level 1 [Member] |  |  |
Unrealized (loss) gain on investments in equity securities | (5,632) | (4,295) | 10,268
Derivative [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Gain (loss) on derivative contracts | 844 | (32,655) | (22,074)
Gain on disposition or exchange of investments | $ 844 | $ (32,655) | $ (22,074)
Securities Investment [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |
Fair Value, Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Cost and Expense, Operating | Other Cost and Expense, Operating | Other Cost and Expense, Operating
Securities Investment [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |
Gain (loss) on derivative contracts | $ 65 | $ 1,158 | $ 0
Gain on disposition or exchange of investments | $ 65 | $ 1,158 | $ 0

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- Definition Total amount of realized gain (loss) and 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 No definition available. + Details
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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/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Indicates line item in statement in which net income is reported that includes unrealized gain (loss) from asset (liability) measured at fair value using unobservable input (level 3) and still held. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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