Note 6 - Non-operating Income - Summary of Non-operating Income (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Dividends and net realized gains and losses on sales of securities | $ 2,665 | $ 2,089 | $ 6,292 | $ 5,971 |
| Interest income | 1,715 | 2,676 | 6,140 | 7,388 |
| Equity in earnings/(loss) of unconsolidated investments | (743) | (105) | (866) | 512 |
| Total non-operating income | $ 3,637 | $ 4,660 | $ 11,566 | $ 13,871 |