Investments - Additional Information (Details) $ in Thousands |
6 Months Ended | ||
|---|---|---|---|
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Jun. 30, 2025
USD ($)
security
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Jun. 30, 2024
USD ($)
|
Dec. 31, 2024
USD ($)
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| Investments | |||
| Accrued investment income | $ | $ 31,113 | $ 28,319 | |
| Number of debt securities for which there is an allowance for credit losses | security | 9 | ||
| Number of debt securities in an unrealized loss position for which an allowance for credit losses has not been recorded | security | 1,133 | ||
| Unrealized loss | $ | $ 176,815 | 224,611 | |
| Unrealized losses as percentage of fixed income portfolio cost basis | 5.00% | ||
| Unrealized losses relative to total invested assets (as a percent) | 4.00% | ||
| Number of unrealized loss positions | security | 1,133 | ||
| Number of securities in unrealized loss positions for 12 months or longer | security | 932 | ||
| Maximum | |||
| Investments | |||
| Losses on fixed income securities | $ | $ 1,000 | $ 0 | |
| Fixed Income Securities | |||
| Investments | |||
| Accrued investment income | $ | $ 30,000 | $ 27,000 | |
| X | ||||||||||
- Definition Number of debt securities in which there is an allowance for credit losses. No definition available.
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- Definition Number of debt securities in an unrealized loss position for which an allowance for credit losses has not been recorded. No definition available.
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- Definition Represents the number of unrealized loss positions as of the balance sheet date. No definition available.
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- Definition Represents the number of securities in unrealized loss positions for twelve consecutive months or longer as of the balance sheet date. No definition available.
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- Definition Represents unrealized losses as a percent of the investment portfolio cost basis. No definition available.
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- Definition Represents the unrealized losses as a percentage of total invested assets. No definition available.
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- Definition Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 accumulated unrealized loss on investment in debt security 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 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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