Securitized Debt - Maturities of Long-Term Debt (Details) - Variable Interest Entities, Primary Beneficiary - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Securitized debt
Debt Instrument [Line Items]
Within One Year	$ 1,276,348	$ 1,288,028
One to Three Years	2,127,097	2,091,147
Three to Five Years	1,991,391	1,937,868
Greater Than Five Years	2,371,815	2,253,020
Total	7,766,651	7,570,063
Securitized Loans | Non-Agency RMBS
Debt Instrument [Line Items]
Within One Year	0	0
One to Three Years	0	13
Three to Five Years	0	0
Greater Than Five Years	13	13
Total	$ 13	$ 26