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Note 19 - Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2023
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
(in thousands) |  | Three months ended March 31, 2023 |
|  | Unrealized Gains |  |  | Foreign |  |  | Change in Fair Value |  |  | Total |
|  | (Losses) on |  |  | Currency |  |  | of Debt Attributable |  |  | Accumulated Other |
|  | Available-for-Sale |  |  | Translation |  |  | to Instrument-Specific |  |  | Comprehensive |
|  | Investments |  |  | Adjustments |  |  | Credit Risk |  |  | Income (Loss) |
Balance at December 31, 2022 |  | $ | (2,464 | ) |  | $ | (3,286 | ) |  | $ | 32,355 |  |  | $ | 26,605 |
Other comprehensive income (loss) arising during the period |  |  | 427 |  |  |  | — |  |  |  | (427 | ) |  |  | — |
Amounts reclassified from accumulated other comprehensive income (loss) |  |  | (22 | ) |  |  | — |  |  |  | (27,177 | ) |  |  | (27,199 | )
Net current-period other comprehensive income (loss) |  |  | 405 |  |  |  | — |  |  |  | (27,604 | ) |  |  | (27,199 | )
Balance at March 31, 2023 |  | $ | (2,059 | ) |  | $ | (3,286 | ) |  | $ | 4,751 |  |  | $ | (594 | )
(in thousands) |  | Three months ended March 31, 2022 |
|  | Unrealized Gains |  |  | Foreign |  |  | Change in Fair Value |  |  | Total |
|  | (Losses) on |  |  | Currency |  |  | of Debt Attributable |  |  | Accumulated Other |
|  | Available-for-Sale |  |  | Translation |  |  | to Instrument-Specific |  |  | Comprehensive |
|  | Investments |  |  | Adjustments |  |  | Credit Risk |  |  | Income |
Balance at December 31, 2021 |  | $ | (220 | ) |  | $ | (3,286 | ) |  | $ | 34,285 |  |  | $ | 30,779 |
Other comprehensive (loss) income arising during the period |  |  | (1,125 | ) |  |  | — |  |  |  | 959 |  |  |  | (166 | )
Amounts reclassified from accumulated other comprehensive income |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 1 |
Net current-period other comprehensive (loss) income |  |  | (1,124 | ) |  |  | — |  |  |  | 959 |  |  |  | (165 | )
Balance at March 31, 2022 |  | $ | (1,344 | ) |  | $ | (3,286 | ) |  | $ | 35,244 |  |  | $ | 30,614 |
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
(in thousands) |  | Three months ended March 31, |
|  | 2023 |  |  | 2022 |
Reclassification of accumulated other comprehensive income from unrealized gains (losses) on available-for-sale investments to: |  |  |  |  |  |  |  |
Net realized gains |  | $ | 22 |  |  | $ | (1 | )
Reclassification of accumulated other comprehensive income from change in fair value of debt attributable to instrument-specific credit risk to: |  |  |  |  |  |  |  |
Gain on extinguishment of debt |  |  | 27,177 |  |  |  | — |
Income (loss) from continuing operations before income tax expense (benefit) |  |  | 27,199 |  |  |  | — |
Income tax expense (benefit) |  |  | — |  |  |  | — |
Income (loss) from continuing operations, net of taxes |  |  | 27,199 |  |  |  | — |
Income from discontinued operations, net of taxes |  |  | — |  |  |  | — |
Net income (loss) |  | $ | 27,199 |  |  | $ | — |

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