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Note 19 - Statutory Financial Information (Details Textual) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Statutory Accounting Practices [Line Items] |  |  |  |
Equity, Attributable to Parent | $ 942,667,000 | $ 729,030,000 | $ 471,252,000 | $ 384,754,000
BERMUDA |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Minimum Statutory Solvency Margin | 1,200,000 |  |  |
Statutory Accounting Practices, Statutory Capital and Surplus, Balance | 17,800,000 | 17,000,000 |  |
Statutory Accounting Practices, Statutory Net Income Amount | 400,000 | 400,000 | $ 300,000 |
Equity, Attributable to Parent | 18,100,000 | 16,900,000 |  |
Dividends Received from Subsidiary | $ 0 | $ 0 |  |
BERMUDA | Minimum [Member] |  |  |  |
Statutory Accounting Practices [Line Items] |  |  |  |
Liquidity Ratio | 75.00% |  |  |

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