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Note 2 - Investments - Net Realized and Unrealized Investment Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Gains on sales of fixed maturity securities | $ 29 | $ 42 | $ 463 | $ 59
Gains on sales of equity securities | 0 | 0 | 234 | 0
Total realized gains | 29 | 42 | 697 | 59
Losses on sales of fixed maturity securities | (25) | (328) | (783) | (330)
Losses on sales of equity securities | 0 | 0 | (235) | (1,204)
Total realized losses | (25) | (328) | (1,018) | (1,534)
Net realized investment gains (losses) | 4 | (286) | (321) | (1,475)
Change in allowance for credit losses | (0) | 327 | 244 | (0)
Net unrealized gains on equity securities | 2,862 | 2,434 | 6,190 | 7,052
Net unrealized gains (losses) on equity method investment | (0) | 148 | 2,268 | (118)
Net unrealized gains on other investments | 627 | 111 | 1,080 | 309
Net realized and unrealized gains on investments | $ 3,493 | $ 2,734 | $ 9,461 | $ 5,768

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- Definition Amount of increase (decrease) in allowance for credit loss of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479106/326-30-50-9 + Details
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