Long-Term Debt - Schedule of Collateral for Long-Term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Total Collateral for Long-Term Debt	$ 1,550,658	$ 1,565,514
Residential investor bridge loans
Debt Instrument [Line Items]
Total Collateral for Long-Term Debt	1,223,044	1,205,366
Residential investor term loans
Debt Instrument [Line Items]
Total Collateral for Long-Term Debt	212,589	122,541
Real estate securities | CAFL securitizations | Affiliated Entity
Debt Instrument [Line Items]
Total Collateral for Long-Term Debt	$ 115,025	$ 237,607