Securitized Debt - Maturities of Long-Term Debt (Details) - Variable Interest Entities, Primary Beneficiary - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Securitized debt
Debt Instrument [Line Items]
Within One Year	$ 1,310,767	$ 1,405,503
One to Three Years	2,144,640	2,302,421
Three to Five Years	1,959,526	1,738,678
Greater Than Five Years	2,406,412	2,942,234
Total	7,821,345	8,388,836
Securitized Loans | Non-Agency RMBS
Debt Instrument [Line Items]
Within One Year	22	251
One to Three Years	123	326
Three to Five Years	0	0
Greater Than Five Years	14	67
Total	$ 159	$ 644