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Note 2 - Investments - Net Realized and Unrealized Investment Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Gains on sales of fixed maturity securities | $ 0 | $ 28
Total realized gains | 0 | 28
Losses on sales of fixed maturity securities | (2) | (3)
Losses on sales of equity securities | (1,204) | 0
Total realized losses | (1,206) | (3)
Net realized investment (losses) gains | (1,206) | 25
Change in allowance for credit losses | 0 | (659)
Net unrealized gains (losses) on equity securities | 4,229 | 780
Net unrealized (losses) gains on equity method investment | (21) | 0
Net realized and unrealized gains on investments | $ 3,002 | $ 146

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