Investment Securities Available For Sale, at Fair Value - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Debt Securities, Available-for-sale [Line Items] | |||
| Accrued interest | $ 33.8 | $ 34.0 | |
| Unrealized losses on investment securities available for sale | $ (63.7) | $ (86.5) | |
| Contractual maturities (up to) | 45 years | ||
| Weighted average life of available for sale securities portfolio | 6 years 3 months 18 days | 6 years 7 months 6 days | |
| Non Agency RMBS Held In Securitization Trust | Non-Agency RMBS | |||
| Debt Securities, Available-for-sale [Line Items] | |||
| Debt securities, available for sale, write-down | $ (4.5) | ||
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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 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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