Long-Duration Insurance Contracts - Market Risk Benefits by Asset and Liability Balance (Details) - USD ($) $ in Millions |
Sep. 30, 2026 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|---|---|---|---|
| Market Risk Benefit [Line Items] | ||||||
| Net | $ (12.4) | $ (11.1) | $ (9.0) | $ (9.3) | $ (6.7) | $ (6.8) |
| Deferred variable annuities | ||||||
| Market Risk Benefit [Line Items] | ||||||
| (Asset) | (13.0) | (10.3) | ||||
| Liability | 0.7 | 1.3 | ||||
| Net | $ (12.4) | $ (9.0) |
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- Definition Amount, before effect of reinsurance and after accumulated increase (decrease) in instrument-specific credit risk, of contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of asset position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of liability position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. 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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- Details
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