Investments in Unconsolidated Joint Ventures - Statement of operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating Expenses
Equity in net loss from unconsolidated joint ventures	$ (176)	$ (218)	$ (1,302)	$ (626)
Corporate Joint Venture [Member]
Revenues
Rental revenues	3,303	834	9,708	2,499
Total revenues	3,303	834	9,708	2,499
Operating Expenses
Property operating expenses	925	270	2,430	715
Real estate taxes	25	12	60	34
General and administrative	3	2	8	7
Amortization	1,475	134	4,201	402
Depreciation	985	331	2,848	992
Total operating expenses	3,413	749	9,547	2,150
Operating income	(110)	85	161	349
Interest expense, net	(946)	(478)	(2,840)	(1,471)
Interest expense - amortization of deferred finance costs	(69)	(43)	(1,809)	(129)
Net loss	(1,125)	(436)	(4,488)	(1,251)
Equity in net loss from unconsolidated joint ventures	$ (176)	$ (218)	$ (1,302)	$ (626)