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Financing - Schedule of Interest Expense Incurred Convertible Notes and Senior Unsecured Notes (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Senior Notes |  |
Schedule of Repurchase Agreement [Line Items] |  |
Coupon interest expense | $ 9,453,000 | $ 6,926,000
Amortization expense | 737,000 | 504,000
Total interest expense | 10,190,000 | 7,430,000
Convertible Debt | Western Asset Mortgage Capital Corporation | Convertible Senior Unsecured Notes Due in September 2024 |  |
Schedule of Repurchase Agreement [Line Items] |  |
Coupon interest expense |  | 3,805,000
Amortization expense |  | 912,000
Total interest expense | $ 0 | $ 4,717,000

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