Fair Value of Financial Instruments - Summary of Company Financial Instruments Carried at Fair Value in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financial Assets
Mortgage-backed securities, at fair value	$ 359,682	$ 335,720
Mortgage loans held in securitization trusts, at fair value	2,246,442	1,633,589
Interest rate cap	214	1,427
Total	2,606,338	1,970,736
Financial Liabilities
Mortgage obligations issued by securitization trusts, at fair value	2,034,059	1,484,019
Level 1
Financial Assets
Mortgage-backed securities, at fair value	0	0
Mortgage loans held in securitization trusts, at fair value	0	0
Interest rate cap	0	0
Total	0	0
Financial Liabilities
Mortgage obligations issued by securitization trusts, at fair value	0	0
Level 2
Financial Assets
Mortgage-backed securities, at fair value	359,682	335,720
Mortgage loans held in securitization trusts, at fair value	0	0
Interest rate cap	214	1,427
Total	359,896	337,147
Financial Liabilities
Mortgage obligations issued by securitization trusts, at fair value	2,034,059	1,484,019
Level 3
Financial Assets
Mortgage-backed securities, at fair value	0	0
Mortgage loans held in securitization trusts, at fair value	2,246,442	1,633,589
Interest rate cap	0	0
Total	2,246,442	1,633,589
Financial Liabilities
Mortgage obligations issued by securitization trusts, at fair value	$ 0	$ 0