Note 6 - Non-operating Income - Summary of Non-operating Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Dividends and net realized gains and losses on sales of securities | $ 1,716 | $ 1,928 | $ 3,627 | $ 3,882 |
| Interest income | 2,233 | 2,588 | 4,425 | 4,713 |
| Equity in earnings/(loss) of unconsolidated investments | 223 | 616 | (123) | 616 |
| Total non-operating income | $ 4,172 | $ 5,132 | $ 7,929 | $ 9,211 |