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Note 22 - Variable Interest Entities ("VIEs") (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Variable Interest Entity [Line Items] |  |
Assets | $ 3,050,967 | $ 2,262,220
Prepaid Reinsurance Premiums | 355,918 | 276,237
Liabilities | 2,108,300 | 1,533,190
Unearned Premiums | 988,143 | 741,692
Variable Interest Entity, Not Primary Beneficiary [Member] |  |
Variable Interest Entity [Line Items] |  |
Variable Interest Entity, Measure of Activity, Income or Loss before Tax | 2,200 | (100)
Assets | 74,100 | 51,000
Cash, Cash Equivalents, and Short-Term Investments | 19,200 | 18,500
Prepaid Reinsurance Premiums | 16,900 | 30,500
Liabilities | 65,800 | 48,900
Unearned Premiums | 38,200 |
Long-Term Debt | 15,000 | $ 15,000
Variable Interest Entity, Not Primary Beneficiary [Member] | PSIC [Member] |  |
Variable Interest Entity [Line Items] |  |
Debt Instrument, Face Amount | $ 15,000 |

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