Summary of significant accounting policies (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
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| Variable Interest Entity [Line Items] | |||||
| Other assets | $ 29,228 | $ 29,228 | $ 26,419 | ||
| Investments | 1,108,294 | 1,108,294 | $ 1,106,786 | ||
| Consolidated Entity, Excluding Consolidated VIE | |||||
| Variable Interest Entity [Line Items] | |||||
| Net investment income | 15,269 | $ 16,678 | 31,945 | $ 31,629 | |
| Consolidated Entity, Excluding Consolidated VIE | Revision of Prior Period, Adjustment | |||||
| Variable Interest Entity [Line Items] | |||||
| Net investment income | (1,100) | ||||
| Variable Interest Entity, Primary Beneficiary | Revision of Prior Period, Adjustment | |||||
| Variable Interest Entity [Line Items] | |||||
| Other assets | (1,000) | (1,000) | |||
| Investments | $ (100) | $ (100) | |||
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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after investment expense, of income earned from investments in securities and real estate. Includes, but is not limited to, real estate investment, policy loans, dividends, and interest. Excludes realized gain (loss) on investments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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