Interest sensitive contract liabilities - Narrative (Details) - USD ($) $ in Thousands |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Policyholder Account Balance [Line Items] | ||||
| Surrender and withdrawal, benefits and product charges | $ 15,400 | $ 22,400 | ||
| Minimum | ||||
| Policyholder Account Balance [Line Items] | ||||
| Minimum guaranteed interest rates | 2.00% | |||
| Maximum | ||||
| Policyholder Account Balance [Line Items] | ||||
| Minimum guaranteed interest rates | 7.00% | |||
| Interest Sensitive Life | ||||
| Policyholder Account Balance [Line Items] | ||||
| Policyholder account balance | $ 357,062 | $ 363,284 | $ 363,981 | $ 334,876 |
| Interest credited | 8,468 | 7,815 | ||
| Policies assumed | $ 0 | $ 42,996 | ||
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- Definition Policyholder Account Balance, Minimum Guaranteed Interest Rates No definition available.
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- Definition Policyholder Account Balance, Surrender And Withdrawal, Benefits And Product Charges No definition available.
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- Definition Amount of interest expense for allocation to policyholder account balance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of increase in liability for policyholder account balance from contract issuance. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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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- Definition Amount due to policyholder. Includes, but is not limited to, unpaid policy dividend, retrospective refund, and undistributed earnings on participating business. Excludes future policy benefit and claim expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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