CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues
Property related income	$ 41,374	$ 33,569	$ 31,730
Investment income on marketable securities	1,112	693	646
Total revenues	42,486	34,262	32,376
Expenses
General and administrative expenses	2,452	1,976	1,887
Property operating expenses	12,231	9,552	8,580
Advisory fees	3,746	8,672	2,163
Depreciation	11,516	7,052	7,059
Amortization	7,830	6,174	5,774
Total operating expenses	37,775	33,426	25,463
Net realized (loss) gain upon sale of marketable securities	(794)	3,179	(2,363)
Net unrealized change in fair value of investment in marketable securities	(9,953)	7,094	788
Change in net assets of consolidated CMBS Trust	529	0	0
Operating (loss) income	(5,507)	11,109	5,338
Interest expense	(9,416)	(6,654)	(7,164)
Net (loss) income	(14,923)	4,455	(1,826)
Common Class A
Expenses
Net (loss) income	$ (2,934)	$ 1,019	$ (445)
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.27	$ (0.12)
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.27	$ (0.12)
Common Class I
Expenses
Net (loss) income	$ (8,956)	$ 2,914	$ (1,242)
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.26	$ (0.12)
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.26	$ (0.12)
Common Class T
Expenses
Net (loss) income	$ (365)	$ 252	$ (118)
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.26	$ (0.12)
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.26	$ (0.12)
Common Class D
Expenses
Net (loss) income	$ (1,930)	$ 242	$ (20)
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.25	$ (0.12)
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.25	$ (0.12)
Common Class N
Expenses
Net (loss) income	$ (346)	$ 20	$ (1)
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.27	$ (0.12)
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.27	(0.12)
Class M-I
Expenses
Net (loss) income	$ (156)	$ 4
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.11	0
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.11	0
Class T2
Expenses
Net (loss) income	$ (185)	$ 3
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.09	0
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.09	0
Class Z
Expenses
Net (loss) income	$ (51)	$ 1
Net loss per common share:
Basic net income (loss) per share (in usd per share)	$ (0.69)	$ 0.62	0
Diluted net income (loss) per share (in usd per share)	$ (0.69)	$ 0.62	$ 0