Investments in Unconsolidated Joint Ventures - Statement of operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues
Rental revenues	$ 425	$ 274	$ 724	$ 578
Total revenues	681	402	1,026	729
Operating Expenses
Property operating expenses	1,460	1,162	3,114	2,755
Real estate taxes	20	20	40	40
General and administrative	1,235	1,431	2,438	2,765
Total operating expenses	3,595	3,652	7,351	7,380
Operating (loss) income	(2,914)	20,946	(6,325)	17,545
Interest expense, net	(881)	(254)	(1,482)	(250)
Interest expense - amortization of deferred finance costs	(623)	(108)	(816)	(108)
Net (loss) income attributable to common stockholders	(4,714)	20,535	(11,303)	17,282
Our equity in net loss from unconsolidated joint ventures	(264)	(135)	(636)	(1,126)
Unconsolidated Joint Ventures
Revenues
Rental revenues	3,185	3,407	6,164	6,405
Total revenues	3,185	3,407	6,164	6,405
Operating Expenses
Property operating expenses	931	799	1,996	1,505
Real estate taxes	25	24	50	35
General and administrative	3	3	5	5
Amortization	583	1,475	1,314	2,726
Depreciation	988	987	1,972	1,863
Total operating expenses	2,530	3,288	5,337	6,134
Operating (loss) income	655	119	827	271
Interest expense, net	957	940	1,896	1,894
Interest expense - amortization of deferred finance costs	(73)	(74)	(145)	(1,740)
Interest expense - change in fair market value of interest rate swap	341		737
Net (loss) income attributable to common stockholders	(716)	(895)	(1,951)	(3,363)
Our equity in net loss from unconsolidated joint ventures	$ (264)	$ (135)	$ (636)	$ (1,126)