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Note 10 - Reserve for Losses and Loss Adjustment Expenses - Schedule of Incurred Losses and Allocated Loss Adjustment Expenses on Other Insurance (Details) - Other Insurance Lines [Member] $ in Thousands | Dec. 31, 2025 USD ($) Claims | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | --- | --- | --- | --- | ---
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | $ 72,375 |  |  |  |  |
Insurance contracts, incurred but not reported liabilities | [1] | $ 34,517 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 4,836 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 24,853 |  |  |  |  |
Reserve for losses and loss adjustment expense, net of reinsurance | [1] | 47,522 |  |  |  |  |
Short-Duration Insurance Contract, Prior Accident Years [Member] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | 2,266 | $ 286 | $ 0 | $ 7 | $ 26 | $ 48
Insurance contracts, incurred but not reported liabilities | [1] | $ 2,264 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 7 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 1 | 1 | 0 | 0 | 0 | $ 0
Short-Duration Insurance Contract, Accident Year 2021 [Member] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | 1,516 | 2,252 | 2,928 | 3,299 | 3,429 |
Insurance contracts, incurred but not reported liabilities | [1] | $ 313 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 109 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 1,040 | 1,009 | 449 | 221 | $ 62 |
Short-Duration Insurance Contract, Accident Year 2022 [Member] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | 6,762 | 7,674 | 8,873 | 8,871 |  |
Insurance contracts, incurred but not reported liabilities | [1] | $ 1,834 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 430 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 3,841 | 2,776 | 1,584 | $ 481 |  |
Short-Duration Insurance Contract, Accident Year 2023 [Member] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | 11,511 | 12,110 | 12,580 |  |  |
Insurance contracts, incurred but not reported liabilities | [1] | $ 4,166 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 958 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 5,118 | 3,310 | $ 1,382 |  |  |
Short-Duration Insurance Contract, Accident Year 2024 [Member] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | 21,021 | 18,503 |  |  |  |
Insurance contracts, incurred but not reported liabilities | [1] | $ 8,531 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 1,355 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 8,461 | $ 4,168 |  |  |  |
Short-Duration Insurance Contract, Accident Year 2025 [Member] |  |  |  |  |  |  |
Liability for Claims and Claims Adjustment Expense [Line Items] |  |  |  |  |  |  |
Insurance contracts, claim expense | [1] | 29,299 |  |  |  |  |
Insurance contracts, incurred but not reported liabilities | [1] | $ 17,409 |  |  |  |  |
Insurance contracts, number of claims | Claims | [1] | 1,977 |  |  |  |  |
Insurance contracts, claims paid and allocated claim adjustment expense | [1] | $ 6,392 |  |  |  |  |
[1] | Data presented for these calendar years is required supplementary information, which is unaudited.

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