Summary of Significant Accounting Policies - Servicing Fees (Details) - Servicing Agreement [Member] - Gregory	3 Months Ended
	Mar. 31, 2024
Summary Of Significant Accounting Policies [Line Items]
Percentage of fair market value of REO (in percent)	1.00%
Percentage of purchase price of REO (in percent)	1.00%
Renewal term (in years)	1 year
Minimum
Summary Of Significant Accounting Policies [Line Items]
Servicing fee rate of unpaid principal balance for mortgage loan	0.65%
Maximum
Summary Of Significant Accounting Policies [Line Items]
Servicing fee rate of unpaid principal balance for mortgage loan	1.25%