Investment Securities Available For Sale, at Fair Value - Schedule of Realized Gain or Loss Activity (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Debt Securities, Available-for-sale [Line Items] | ||
| Sales Proceeds | $ 0 | $ 663,336,000 |
| Realized Gains | 3,752,000 | |
| Realized Losses | (30,570,000) | |
| Net Realized Gains (Losses) | (26,818,000) | |
| U.S. Treasury securities | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Sales Proceeds | 658,763,000 | |
| Realized Gains | 3,700,000 | |
| Realized Losses | (30,570,000) | |
| Net Realized Gains (Losses) | (26,870,000) | |
| Non-Agency RMBS | ||
| Debt Securities, Available-for-sale [Line Items] | ||
| Sales Proceeds | 4,573,000 | |
| Realized Gains | 52,000 | |
| Realized Losses | 0 | |
| Net Realized Gains (Losses) | $ 52,000 | |
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- Definition Proceeds Including Receivable For Unsettled Trades From Sale of Debt Securities, Available-for-sale No definition available.
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- 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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- 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 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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- 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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