| Schedule of Repurchase Agreements [Table Text Block] |
The following table details the Company's outstanding borrowings under repurchase agreements for Agency RMBS, credit assets (which can include non-Agency RMBS, CMBS, CLOs, consumer loans, corporate debt, residential mortgage loans, commercial mortgage loans, and REO), reverse mortgage related assets, and U.S. Treasury securities by remaining maturity as of March 31, 2026 and December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | March 31, 2026 | | December 31, 2025 | | | | | Weighted Average | | | | Weighted Average | | Remaining Maturity | | Outstanding Borrowings | | Interest Rate | | Remaining Days to Maturity | | Outstanding Borrowings | | Interest Rate | | Remaining Days to Maturity | | Agency RMBS: | | (In thousands) | | | | | | (In thousands) | | | | | | 30 Days or Less | | $ | 188,294 | | | 3.76 | % | | 2 | | $ | 193,105 | | | 4.00 | % | | 4 | | 31-60 Days | | 1,844 | | | 4.20 | % | | 53 | | 317 | | | 4.43 | % | | 40 | | 61-90 Days | | 6,421 | | | 4.23 | % | | 83 | | 6,606 | | | 4.26 | % | | 86 | | 151-180 Days | | 1,561 | | | 4.33 | % | | 163 | | 1,663 | | | 4.41 | % | | 161 | | Total Agency RMBS | | 198,120 | | | 3.78 | % | | 7 | | 201,691 | | | 4.01 | % | | 8 | | Credit Assets: | | | | | | | | | | | | | | 30 Days or Less | | 10,765 | | | 5.03 | % | | 16 | | 40,822 | | | 5.56 | % | | 17 | | 31-60 Days | | 306,556 | | | 4.37 | % | | 44 | | 396,480 | | | 5.20 | % | | 46 | | 61-90 Days | | 154,036 | | | 4.41 | % | | 79 | | 198,525 | | | 4.47 | % | | 75 | | 91-120 Days | | 500,291 | | | 4.95 | % | | 118 | | 361,230 | | | 5.22 | % | | 115 | | 151-180 Days | | 11,093 | | | 4.55 | % | | 163 | | 11,480 | | | 4.62 | % | | 161 | | 181-364 Days | | 231,786 | | | 5.72 | % | | 273 | | 164,965 | | | 5.69 | % | | 293 | | > 364 Days | | 1,158,677 | | | 5.61 | % | | 487 | | 1,125,943 | | | 5.66 | % | | 505 | | Total Credit Assets | | 2,373,204 | | | 5.24 | % | | 301 | | 2,299,445 | | | 5.40 | % | | 302 | | Reverse Mortgage Loans and Retained RMBS: | | | | | | | | | | | | | | 31-60 Days | | — | | | — | % | | — | | | 9,850 | | | 5.00 | % | | 55 | | 61-90 Days | | 14,939 | | | 4.90 | % | | 79 | | 5,754 | | | 5.16 | % | | 68 | | 121-150 Days | | 7,418 | | | 6.81 | % | | 126 | | — | | | — | % | | — | | | 181-364 Days | | 141,966 | | | 6.02 | % | | 216 | | 52,935 | | | 6.37 | % | | 284 | | > 364 Days | | 28,642 | | | 5.93 | % | | 487 | | 52,459 | | | 5.97 | % | | 505 | | Total Reverse Mortgage and Retained RMBS | | 192,965 | | | 5.95 | % | | 233 | | 120,998 | | | 6.03 | % | | 356 | | U.S. Treasury Securities: | | | | | | | | | | | | | | 30 Days or Less | | 130,683 | | | 3.71 | % | | 1 | | 33,310 | | | 3.99 | % | | 2 | | Total U.S. Treasury Securities | | 130,683 | | | 3.71 | % | | 1 | | 33,310 | | | 3.99 | % | | 2 | | Total | | $ | 2,894,972 | | | 5.12 | % | | 263 | | $ | 2,655,444 | | | 5.18 | % | | 268 |
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| Schedule of Maturities of Long-term Debt [Table Text Block] |
Schedule of Principal Repayments The following table details the Company's principal repayment schedule, over the next 5 years, for outstanding borrowings as of March 31, 2026: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Year | | Repurchase Agreements(1) | | Other Secured Borrowings(2) | | HMBS-related Obligations(3) | | Unsecured Borrowings(1) | | Total | | (In thousands) | | | | | | | | | | | | Next Twelve Months | | $ | 2,136,543 | | | $ | 529,584 | | | $ | 1,438,274 | | | $ | 37,750 | | | $ | 4,142,151 | | | Year 2 | | 730,285 | | | 295,929 | | | 1,077,878 | | | 210,000 | | | 2,314,092 | | | Year 3 | | 28,144 | | | 235,273 | | | 1,047,789 | | | — | | | 1,311,206 | | | Year 4 | | — | | | 203,472 | | | 1,359,188 | | | — | | | 1,562,660 | | | Year 5 | | — | | | 194,978 | | | 1,856,949 | | | 400,000 | | | 2,451,927 | | | Total | | $ | 2,894,972 | | | $ | 1,459,236 | | | $ | 6,780,078 | | | $ | 647,750 | | | $ | 11,782,036 | |
(1)Reflects the Company's contractual principal repayment dates. (2)Includes $750.7 million, $53.0 million, $375.6 million, and $15.4 million of expected principal repayments related to the Company's consolidated non-QM, RTL, reverse mortgage loan, and European Mortgage Loan securitizations, respectively, which are projected based upon the underlying assets' expected repayments and may be prior to the stated contractual maturities. (3)Represents expected principal repayments projected based upon the expected repayments of the underlying HECM loans, which may be prior to the stated contractual maturities of the related HMBS.
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