Subsequent Events (Details) $ in Millions	2 Months Ended	12 Months Ended
	Feb. 23, 2023 USD ($) loan	Dec. 31, 2022 loan
Subsequent Event [Line Items]
Financing receivable number of whole loans sold | loan		0
Subsequent Event
Subsequent Event [Line Items]
Financing receivable number of whole loans sold | loan	3
Financing receivable securitizations	$ 668.2
Subsequent Event | Non-QM loans
Subsequent Event [Line Items]
Financing receivable securitizations	313.7
Subsequent Event | Single-family rental loans
Subsequent Event [Line Items]
Financing receivable securitizations	203.9
Subsequent Event | Transitional loans
Subsequent Event [Line Items]
Financing receivable securitizations	$ 150.6