Residential Whole Loans - Vintage Information Regarding Residential Whole Loans (Details) - Residential whole loans - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Non-QM loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 5,531,388	$ 5,346,693
Business purpose loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,261,932	2,443,328
Business purpose loans \| Single-family rental loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,196,609	1,235,346
Business purpose loans \| Single-family transitional loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	658,713	718,345
Business purpose loans \| Multifamily transitional loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	406,610	489,637
Legacy RPL/NPL loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	949,434	979,016
Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	50,383	51,022
Estimated Fair Value
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	397,812
2025	2,089,771
2024	1,096,448
2023	943,544
2022	1,127,692
Prior	2,084,547
Total	7,739,814
Estimated Fair Value \| Non-QM loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	276,125
2025	1,748,183
2024	859,328
2023	494,540
2022	501,547
Prior	1,092,097
Total	4,971,820	4,753,480
Estimated Fair Value \| Business purpose loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,173,335	2,348,165
Estimated Fair Value \| Business purpose loans \| Single-family rental loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	60,283
2025	2,467
2024	38,899
2023	208,025
2022	477,377
Prior	328,005
Total	1,115,056	1,147,234
Estimated Fair Value \| Business purpose loans \| Single-family transitional loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	61,404
2025	339,121
2024	147,913
2023	86,221
2022	13,704
Prior	3,306
Total	651,669	711,294
Estimated Fair Value \| Business purpose loans \| Multifamily transitional loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	0
2025	0
2024	50,308
2023	154,758
2022	135,064
Prior	66,480
Total	406,610	489,637
Estimated Fair Value \| Legacy RPL/NPL loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	0
2025	0
2024	0
2023	0
2022	0
Prior	544,276
Total	544,276	564,340
Estimated Fair Value \| Other loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
2026	0
2025	0
2024	0
2023	0
2022	0
Prior	50,383
Total	$ 50,383	$ 51,022

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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