Summary of Investments - Net Investment Gains and Losses (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Net investment gains (losses): | ||||
| Available-for-sale | $ 0 | $ (1,382) | $ (797) | $ (4,045) |
| Allowance for credit losses | 0 | 1 | 0 | 1 |
| Net gains (losses) recognized on equity securities sold during the period | 0 | 0 | 0 | 1,362 |
| Unrealized gains (losses) recognized during the period on equity securities held at reporting date | 0 | 0 | 0 | 0 |
| Net gains (losses) recognized during the reporting period on equity securities | 0 | 0 | 0 | 1,362 |
| Mortgage loans allowance for credit losses | (1,106) | 0 | (1,102) | 10 |
| Other long-term investments | 104 | 152 | 143 | 241 |
| Total net investment gains (losses) | $ (1,002) | $ (1,229) | $ (1,756) | $ (2,431) |
| X | ||||||||||
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) with previously recorded allowance and not intended to be sold and not more likely than not will be required to sell before recovery of amortized cost basis. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) included in earnings for investments classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of realized gain (loss) on investment. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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