Investments - Available-for-Sale Debt Securities - Narrative (Details) |
3 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2025
USD ($)
investment
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Mar. 31, 2024
USD ($)
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Dec. 31, 2024
investment
|
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| Investments [Abstract] | |||
| Debt Securities, available-for-sale, unrealized loss position, number of positions | investment | 181 | 227 | |
| Impairments related to credit loss | $ 0 | $ 0 | |
| Sales of available-for-sale debt securities | $ 0 | 831,800,000 | |
| Gross realized gains | 400,000 | ||
| Gross realized losses | 1,800,000 | ||
| Net realized loss | $ 1,400,000 | ||
| X | ||||||||||
- Definition Amount of realized gain 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/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of realized 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/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of cash inflow from sale of 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/2003/role/disclosureRef
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| X | ||||||||||
- Definition Debt Securities, Available-For-Sale, Impairment Loss No definition available.
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