Investments - Narrative (Details) $ in Millions |
Sep. 30, 2026
USD ($)
security
|
Dec. 31, 2025
USD ($)
security
|
|---|---|---|
| Debt Securities, Available-for-Sale [Line Items] | ||
| Number of securities | security | 1,389 | 215 |
| Number of positions | security | 2,031 | 1,624 |
| Debt securities, available-for-sale, continuous unrealized loss position, largest single amount | $ (1.2) | $ 0.1 |
| Fixed income funds | 0.0 | 63.4 |
| Unfunded investment commitments | $ 0.0 | $ 12.2 |
| Percentage of total net asset value of hedge fund | 4.00% | 1.00% |
| Private credit funds | ||
| Debt Securities, Available-for-Sale [Line Items] | ||
| Unfunded investment commitments | $ 96.3 | $ 108.1 |
| Minimum | ||
| Debt Securities, Available-for-Sale [Line Items] | ||
| Percentage of total net asset value of hedge fund | 86.00% | 94.00% |
| Maximum | ||
| Debt Securities, Available-for-Sale [Line Items] | ||
| Percentage of total net asset value of hedge fund | 14.00% | 6.00% |
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- Definition Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Largest Single Amount No definition available.
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- Definition Debt Securities, Available-for-Sale, Number of Positions No definition available.
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- Definition Percentage of Total Net Asset Value Of Hedge Fund No definition available.
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- Definition Fair value of investment other than investment in equity security, investment in debt security and equity method investment. Includes, but is not limited to, investment in certain entities that calculate net asset value per share. Example includes, but is not limited to, investment in hedge fund, venture capital fund, private equity fund, and real estate partnership or fund. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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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