Investment Securities Available For Sale, at Fair Value - Narrative (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Debt Securities, Available-for-sale [Line Items] | |||
| Accrued interest | $ 34.0 | $ 22.4 | |
| Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Other assets | Other assets | |
| Unrealized gains (losses) on investments | $ 173.9 | $ (88.8) | $ 36.3 |
| Contractual maturities (up to) | 38 years | ||
| Weighted average life of available for sale securities portfolio | 6 years 7 months 6 days | 7 years 4 months 24 days | |
| Non-Agency RMBS | |||
| Debt Securities, Available-for-sale [Line Items] | |||
| Realized loss on write-downs | $ 1.2 | $ 1.7 | |
| Non-Agency RMBS | Non Agency RMBS Held In Securitization Trust | |||
| Debt Securities, Available-for-sale [Line Items] | |||
| Realized loss on write-downs | $ 9.1 | ||
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- Definition Represents the weighted average life of the available for sale securities portfolio. No definition available.
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- Definition Contractual maturities of investments. No definition available.
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- Definition Debt Securities, Available For Sale, Write-Down No definition available.
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- Definition Amount, after allowance for credit loss, of accrued interest 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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- Definition Indicates line item in statement of financial position that includes accrued interest, after allowance for credit 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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- Definition Amount of unrealized 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 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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