Net Interest Income (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Total interest income	$ 401,280	$ 258,660	$ 258,388
Total interest expense	317,425	192,134	129,419
Total net interest income	83,855	66,526	128,969
Senior unsecured notes
Senior unsecured notes	9,308	6,476	6,430
Subordinated debentures
Subordinated debentures	4,236	4,154	2,590
Convertible notes
Interest expense	0	0	438
Residential loans
Interest income	50,266	54,188	113,134
Consolidated SLST \| VIE, Primary Beneficiary
Interest income	39,194	34,061	36,448
Interest expense	26,491	24,506	25,145
Residential loans held in securitization trusts
Interest income	129,905	97,492	80,116
Total residential loans
Interest income	219,365	185,741	229,698
Investment securities available for sale
Investment securities available for sale	163,977	57,514	15,825
Multi-family loans
Interest income	10,589	10,519	11,185
Other
Other	7,349	4,886	1,680
Repurchase agreements
Interest expense	183,285	91,814	51,432
Residential loan securitizations
Interest expense	91,884	65,184	43,384
Non-Agency RMBS re-securitization
Interest expense	2,221	0	0
Total collateralized debt obligations
Interest expense	$ 120,596	$ 89,690	$ 68,529

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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