Investments in Real Estate-Related Securities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Principal Balance	$ 19,889	$ 12,296
Unamortized Premium (Discount)	(217)	143
Amortized Cost / Cost	27,357	12,850
Unrealized Gain (Loss), Net	(2,961)	(165)
Fair Value	24,396	12,685
Non-agency CMBS
Debt Instrument [Line Items]
Principal Balance	14,661	7,171
Unamortized Premium (Discount)	(397)	(83)
Amortized Cost / Cost	14,264	7,088
Unrealized Gain (Loss), Net	(1,495)	(154)
Fair Value	$ 12,769	$ 6,934
Period-end Weighted Average Yield	5.82%	3.60%
Corporate debt
Debt Instrument [Line Items]
Principal Balance	$ 5,228	$ 5,125
Unamortized Premium (Discount)	180	226
Amortized Cost / Cost	5,408	5,351
Unrealized Gain (Loss), Net	(552)	(7)
Fair Value	$ 4,856	$ 5,344
Period-end Weighted Average Yield	3.99%	3.58%
Preferred stock of REITs
Debt Instrument [Line Items]
Amortized Cost / Cost	$ 3,651	$ 411
Unrealized Gain (Loss), Net	(384)	(4)
Fair Value	$ 3,267	$ 407
Period-end Weighted Average Yield	6.98%	6.78%
Common stock of REITs
Debt Instrument [Line Items]
Amortized Cost / Cost	$ 4,034
Unrealized Gain (Loss), Net	(530)
Fair Value	$ 3,504
Period-end Weighted Average Yield	4.12%