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Repurchase Agreements and Warehouse Facilities (Tables) | 9 Months Ended
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Sep. 30, 2025
Carrying Value of Federal Funds Sold, Securities Purchased under Agreements to Resell, and Deposits Paid for Securities Borrowed [Abstract] |
Schedule of Company's Repurchase Agreements and Warehouse Facilities | The following table presents the carrying value of the Company's repurchase agreements and warehouse facilities as of September 30, 2025 and December 31, 2024, respectively (dollar amounts in thousands):
Repurchase Agreements and Warehouse Facilities Secured By: |  | September 30, 2025 |  | December 31, 2024
Investment securities |  | $ | 6,100,691 |  |  | $ | 3,516,611 |
Residential loans and real estate owned |  | 217,612 |  |  | 428,399 |
Residential loans held for sale |  | 97,290 |  |  | — |
Single-family rental properties |  | 65,479 |  |  | 67,215 |
Total carrying value |  | $ | 6,481,072 |  |  | $ | 4,012,225 |
Schedule of Unencumbered Securities | The following table presents information about the Company's unencumbered securities at September 30, 2025 (dollar amounts in thousands):
Unencumbered Securities | September 30, 2025 |  |
Agency RMBS | $ | 423,418 |  |  |
Non-Agency RMBS (1) | 34,417 |  |  |
U.S. Treasury securities | 1,798 |  |  |
Total | $ | 459,633 |  |  |
(1)Includes IOs in Consolidated SLST with a fair value of $11.9 million as of September 30, 2025. Consolidated SLST securities owned by the Company are eliminated in consolidation in accordance with GAAP.
Schedule of Borrowings Under Financing Arrangements and Assets Pledged as Collateral | The following table summarizes assets pledged as initial margin as of September 30, 2025 and December 31, 2024, respectively (dollar amounts in thousands):
Initial Margin Collateral |  | Consolidated Balance Sheet Location |  | September 30, 2025 |  | December 31, 2024
Agency RMBS |  | Investment securities available for sale, at fair value |  | $ | 68,231 |  |  | $ | 33,399 |
Restricted cash |  | Other assets |  | 69,016 |  |  | 68,253 |
Total initial margin collateral |  |  |  | $ | 137,247 |  |  | $ | 101,652 |
The following table presents detailed information about the Company’s financings under these repurchase agreements or warehouse facilities and associated assets pledged as collateral at September 30, 2025 and December 31, 2024, respectively (dollar amounts in thousands):
| Maximum Aggregate Uncommitted Principal or Line Amount |  | Outstanding Repurchase Agreements and Warehouse Facilities |  | Net Deferred Finance Costs (1) |  | Carrying Value of Repurchase Agreements and Warehouse Facilities |  | Carrying Value of Assets Pledged (2) |  | Weighted Average Rate |  | Weighted Average Months to Maturity (3)
September 30, 2025 | $ | 3,225,000 |  |  | $ | 380,692 |  |  | $ | (311) |  |  | $ | 380,381 |  |  | $ | 474,220 |  |  | 6.37 | % |  | 5.56
December 31, 2024 | $ | 2,775,000 |  |  | $ | 496,410 |  |  | $ | (796) |  |  | $ | 495,614 |  |  | $ | 659,183 |  |  | 6.70 | % |  | 9.64
(1)Costs related to repurchase agreements, which include commitment, underwriting, legal, accounting and other fees, are reflected as deferred charges. Such costs are presented as a deduction from the corresponding debt liability on the Company’s accompanying condensed consolidated balance sheets and are amortized as an adjustment to interest expense over the term of the agreement using the effective interest method, or straight line-method, if the result is not materially different. (2)Includes residential loans and real estate owned with an aggregate carrying value of $252.9 million, residential loans held for sale with an aggregate carrying value of $102.8 million and single-family rental properties with a net carrying value of $118.5 million as of September 30, 2025. Includes residential loans and real estate owned with an aggregate carrying value of $524.6 million and single-family rental properties with a net carrying value of $134.6 million as of December 31, 2024. (3)The Company expects to either roll outstanding amounts under these repurchase agreements and warehouse facilities into new financing arrangements or repay outstanding amounts in full prior to or at maturity.
Schedule of Repurchase Agreements Secured by Investment Securities | The following table presents detailed information about the amounts outstanding under the Company’s repurchase agreements secured by investment securities and associated assets pledged as collateral at September 30, 2025 and December 31, 2024, respectively (dollar amounts in thousands):
| September 30, 2025 |  |  |  | December 31, 2024
| Outstanding Repurchase Agreements |  | Fair Value of Collateral Pledged (1) |  | Amortized Cost of Collateral Pledged (1) |  |  |  | Outstanding Repurchase Agreements |  | Fair Value of Collateral Pledged (1) |  | Amortized Cost of Collateral Pledged (1) |  |
Agency RMBS | $ | 5,903,078 |  |  | $ | 6,136,353 |  |  | $ | 6,055,555 |  |  |  |  | $ | 2,830,925 |  |  | $ | 2,975,400 |  |  | $ | 2,995,820 |  |  |
Non-Agency RMBS (2) | 18,482 |  |  | 27,662 |  |  | 27,073 |  |  |  |  | 50,622 |  |  | 67,352 |  |  | 64,375 |  |  |
U.S. Treasury securities | 179,131 |  |  | 181,390 |  |  | 179,745 |  |  |  |  | 635,064 |  |  | 633,833 |  |  | 669,447 |  |  |
Balance at end of the period | $ | 6,100,691 |  |  | $ | 6,345,405 |  |  | $ | 6,262,373 |  |  |  |  | $ | 3,516,611 |  |  | $ | 3,676,585 |  |  | $ | 3,729,642 |  |  |
(1)Collateral pledged includes restricted cash posted as margin in the amount of $0.7 million and $11.8 million as of September 30, 2025 and December 31, 2024, respectively. (2)Includes first loss subordinated securities in Consolidated SLST with a fair value of $22.0 million and $20.6 million as of September 30, 2025 and December 31, 2024, respectively. Consolidated SLST securities owned by the Company are eliminated in consolidation in accordance with GAAP.
Schedule Of Repurchase Agreements, Maturities | The following table presents contractual maturity information about the Company’s outstanding repurchase agreements secured by investment securities at September 30, 2025 and December 31, 2024, respectively (dollar amounts in thousands):
Contractual Maturity | September 30, 2025 |  | December 31, 2024
Within 30 days | $ | 2,212,518 |  |  | $ | 2,103,332 |
Over 30 days to 90 days | 3,225,562 |  |  | 1,413,279 |
Over 90 days | 662,611 |  |  | — |
Total | $ | 6,100,691 |  |  | $ | 3,516,611 |

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- Definition Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481444/860-30-45-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
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- Definition Tabular disclosure of securities financing transactions including resale and repurchase agreements, securities borrowed and lending transactions, securities received as collateral and obligations to return securities received as collateral. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 860 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481420/860-30-50-1A + Details
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