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Loans - Schedule of Company's Residential Mortgage Loan Portfolio and Commercial Loan Portfolio (Details) - Residential Portfolio Segment - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 8,251,113 | $ 6,781,862
Premium (Discount) | 117,484 | (4,606)
Amortized Cost | 8,368,597 | 6,777,256
Gross Unrealized Gains | 111,061 | 32,389
Gross Unrealized Losses | (280,362) | (391,750)
Fair Value | $ 8,199,296 | $ 6,417,895
Weighted Average Coupon | 6.32% | 5.62%
Weighted Average Yield | 6.00% | 5.79%
Weighted Average Life (Years) | 7 years 3 days | 7 years 11 months 4 days
Residential Mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 194,046 | $ 216,547
Premium (Discount) | 6,181 | 1,092
Amortized Cost | 200,227 | 217,639
Gross Unrealized Gains | 1,617 | 3,622
Gross Unrealized Losses | (2,167) | (1,044)
Fair Value | $ 199,677 | $ 220,217
Weighted Average Coupon | 8.27% | 8.54%
Weighted Average Yield | 7.22% | 8.39%
Weighted Average Life (Years) | 4 years 8 months 4 days | 4 years 6 months 14 days
Non-Agency Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 36,578 | $ 13,098
Premium (Discount) | 638 | (273)
Amortized Cost | 37,216 | 12,825
Gross Unrealized Gains | 18 | 101
Gross Unrealized Losses | (2,126) | (647)
Fair Value | $ 35,108 | $ 12,279
Weighted Average Coupon | 6.14% | 7.54%
Weighted Average Yield | 3.62% | 4.72%
Weighted Average Life (Years) | 4 years 2 months 1 day | 3 years 9 months 3 days
Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 135,804 | $ 99,863
Premium (Discount) | 5,913 | 1,625
Amortized Cost | 141,717 | 101,488
Gross Unrealized Gains | 663 | 2,509
Gross Unrealized Losses | (41) | (33)
Fair Value | $ 142,339 | $ 103,964
Weighted Average Coupon | 9.07% | 10.35%
Weighted Average Yield | 7.77% | 9.89%
Weighted Average Life (Years) | 4 years 9 months 29 days | 4 years 3 months 18 days
Re- and Non-Performing Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 1,140 | $ 2,016
Premium (Discount) | (696) | (1,168)
Amortized Cost | 444 | 848
Gross Unrealized Gains | 637 | 981
Gross Unrealized Losses | 0 | 0
Fair Value | $ 1,081 | $ 1,829
Weighted Average Yield |  | 103.24%
Weighted Average Life (Years) | 1 year 1 month 13 days | 1 year 4 months 13 days
Agency-Eligible Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 20,524 | $ 101,570
Premium (Discount) | 326 | 908
Amortized Cost | 20,850 | 102,478
Gross Unrealized Gains | 299 | 31
Gross Unrealized Losses | 0 | (364)
Fair Value | $ 21,149 | $ 102,145
Weighted Average Coupon | 6.83% | 6.89%
Weighted Average Yield | 6.34% | 6.58%
Weighted Average Life (Years) | 4 years 9 months 29 days | 4 years 11 months 12 days
Securitized Residential Mortgage Loans | Residential Mortgage |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 8,057,067 | $ 6,565,315
Premium (Discount) | 111,303 | (5,698)
Amortized Cost | 8,168,370 | 6,559,617
Gross Unrealized Gains | 109,444 | 28,767
Gross Unrealized Losses | (278,195) | (390,706)
Fair Value | $ 7,999,619 | $ 6,197,678
Weighted Average Coupon | 6.27% | 5.53%
Weighted Average Yield | 5.97% | 5.70%
Weighted Average Life (Years) | 7 years 25 days | 8 years 18 days
Securitized Residential Mortgage Loans | Non-Agency Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 7,026,365 | $ 6,382,814
Premium (Discount) | 59,755 | 5,817
Amortized Cost | 7,086,120 | 6,388,631
Gross Unrealized Gains | 84,870 | 28,767
Gross Unrealized Losses | (266,118) | (372,801)
Fair Value | $ 6,904,872 | $ 6,044,597
Weighted Average Coupon | 5.87% | 5.59%
Weighted Average Yield | 5.74% | 5.68%
Weighted Average Life (Years) | 7 years 3 months 18 days | 8 years 1 month 13 days
Securitized Residential Mortgage Loans | Home Equity Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 874,718 |
Premium (Discount) | 61,241 |
Amortized Cost | 935,959 |
Gross Unrealized Gains | 24,574 |
Gross Unrealized Losses | 0 |
Fair Value | $ 960,533 |
Weighted Average Coupon | 9.81% |
Weighted Average Yield | 7.70% |
Weighted Average Life (Years) | 5 years 5 months 4 days |
Securitized Residential Mortgage Loans | Re- and Non-Performing Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Unpaid Principal Balance | $ 155,984 | $ 182,501
Premium (Discount) | (9,693) | (11,515)
Amortized Cost | 146,291 | 170,986
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (12,077) | (17,905)
Fair Value | $ 134,214 | $ 153,081
Weighted Average Coupon | 4.22% | 3.43%
Weighted Average Yield | 5.93% | 6.55%
Weighted Average Life (Years) | 5 years 6 months 14 days | 5 years 6 months 10 days

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