Summary of Significant Accounting Policies - Servicing Fees (Details) - Servicing Agreement - Gregory Funding LLC	12 Months Ended
	Dec. 31, 2023
Summary Of Significant Accounting Policies [Line Items]
Percentage of fair market value of REO	1.00%
Percentage of purchase price of REO	1.00%
Servicing fee, renewal term (in years)	1 year
Minimum
Summary Of Significant Accounting Policies [Line Items]
Annual servicing fee percentage	0.65%
Maximum
Summary Of Significant Accounting Policies [Line Items]
Annual servicing fee percentage	1.25%