Loan Participations Sold, Net - Summary of Loan Participations Sold (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) Loan	Dec. 31, 2021 USD ($) Loan
Mortgage Loans On Real Estate [Line Items]
Weighted Average Interest Rate	6.30%	4.60%
Weighted Average Years to Maturity	1 year 7 months 6 days	1 year 8 months 12 days
Loan Participations
Mortgage Loans On Real Estate [Line Items]
Number of loans sold to third party | Loan	7	9
Principal Balance	$ 121,188	$ 137,215
Book Value	$ 121,950	$ 137,931
Weighted Average Interest Rate	3.70%	3.60%
Weighted Average Years to Maturity	1 year 5 months 8 days	2 years 2 months 19 days
Senior Loan Participations
Mortgage Loans On Real Estate [Line Items]
Number of loans sold to third party | Loan	7	9
Principal Balance	$ 96,950	$ 109,772
Book Value	$ 96,950	$ 109,772
Weighted Average Interest Rate	2.00%	2.00%
Weighted Average Years to Maturity	1 year 5 months 8 days	2 years 2 months 19 days