Investments in Real Estate Debt - Real Estate-Related Securities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Amortized Cost Basis
Real estate-related securities as of December 31, 2022	$ 73,839
Real estate-related securities as of June 30, 2023	87,023
Fair Value
Real estate-related securities as of December 31, 2022	73,816
Real estate-related securities as of June 30, 2023	87,120
CMBS
Amortized Cost Basis
Real estate-related securities as of December 31, 2022	23,839
Face value of real estate-related securities acquired	23,907
Sale of real estate-related securities	(23,793)
Realized gain on sale of real estate-related securities	0
Sale of accrued interest associated with real estate-related securities	(46)
Unrealized loss on real estate securities	0
Real estate-related securities as of June 30, 2023	23,907
Gain/(Loss)
Real estate-related securities as of December 31, 2022	(23)
Face value of real estate-related securities acquired	0
Sale of real estate-related securities	0
Realized gain on sale of real estate-related securities	80
Sale of accrued interest associated with real estate-related securities	0
Unrealized loss on real estate securities	40
Real estate-related securities as of June 30, 2023	97
Fair Value
Real estate-related securities as of December 31, 2022	23,816
Face value of real estate-related securities acquired	23,907
Sale of real estate-related securities	(23,793)
Realized gain on sale of real estate-related securities	80
Sale of accrued interest associated with real estate-related securities	(46)
Unrealized loss on real estate securities	40
Real estate-related securities as of June 30, 2023	$ 24,004