Net Interest Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Total interest income	$ 601,948	$ 401,280	$ 258,660
Total interest expense	452,647	317,425	192,134
Total net interest income	149,301	83,855	66,526
Senior unsecured notes
Senior unsecured notes	24,998	9,308	6,476
Subordinated debentures
Subordinated debentures	3,802	4,236	4,154
Investment securities available for sale
Investment securities available for sale	316,737	163,977	57,514
Residential loans
Interest income	34,347	50,266	54,188
Consolidated SLST \| VIE, Primary Beneficiary
Interest income	50,970	39,194	34,061
Interest expense	37,547	26,491	24,506
Residential loans held in securitization trusts
Interest income	179,178	129,905	97,492
Total Residential loans
Interest income	264,495	219,365	185,741
Residential loans held for sale
Interest income	5,244	0	0
Multi-family loans, at fair value
Interest income	8,528	10,589	10,519
Other
Other	6,944	7,349	4,886
Repurchase agreements and warehouse facilities
Interest expense	253,960	183,285	91,814
Residential loan securitizations
Interest expense	127,333	91,884	65,184
Non-Agency RMBS re-securitization
Interest expense	5,007	2,221	0
Total collateralized debt obligations
Interest expense	$ 169,887	$ 120,596	$ 89,690

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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