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Other Assets - Schedule of Aggregate Carrying Value of REO Properties (Details) $ in Thousands	Sep. 30, 2025 USD ($) property	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($) property	Sep. 30, 2024 USD ($) property	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Real Estate Properties [Line Items]
Total	$ 138,121	$ 135,824	$ 130,854	$ 127,097	$ 108,013	$ 110,174
Wholly Owned Properties
Real Estate Properties [Line Items]
Total	$ 138,121		$ 130,854
Number of properties | property	373		416	411
Wholly Owned Properties | Non-QM loans
Real Estate Properties [Line Items]
Total	$ 8,280		$ 1,278
Wholly Owned Properties | Business purpose loans
Real Estate Properties [Line Items]
Total	84,585		71,090
Wholly Owned Properties | Legacy RPL/NPL loans
Real Estate Properties [Line Items]
Total	$ 45,256		$ 58,486

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The number of real estate properties owned as of the balance sheet date.

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