Condensed Consolidated Statements of Changes In Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Total	Total Shareholders' Equity (Deficit)	Common Shares	Additional Paid-in Capital	Accumulated Deficit	Cost of Shares Held in Treasury	Noncontrolling Interest	Preferred A Shares Preferred Shares	Preferred C Shares Preferred Shares
Beginning balance at Dec. 31, 2018	$ 27,062	$ 1,036	$ 4	$ 28,147	$ (26,319)	$ (801)	$ 26,026	$ 3	$ 2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions to operating partnership	40						40
Distributions to operating partnership limited partner	(302)						(302)
Net income	614	46			46		568
Ending balance at Mar. 31, 2019	27,414	1,082	4	28,147	(26,273)	(801)	26,332	3	2
Beginning balance at Dec. 31, 2018	27,062	1,036	4	28,147	(26,319)	(801)	26,026	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,901
Ending balance at Sep. 30, 2019	28,025	1,355	4	28,175	(26,028)	(801)	26,670	3	2
Beginning balance at Mar. 31, 2019	27,414	1,082	4	28,147	(26,273)	(801)	26,332	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to operating partnership limited partner	(588)						(588)
Net income	522	31			31		491
Ending balance at Jun. 30, 2019	27,348	1,113	4	28,147	(26,242)	(801)	26,235	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to operating partnership limited partner	(116)						(116)
Share-based compensation	28	28		28
Net income	765	214			214		551
Ending balance at Sep. 30, 2019	28,025	1,355	4	28,175	(26,028)	(801)	26,670	3	2
Beginning balance at Dec. 31, 2019	38,530	4,159	4	28,203	(23,252)	(801)	34,371	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	13	13		13
Net income	159	(59)			(59)		218
Ending balance at Mar. 31, 2020	38,702	4,113	4	28,216	(23,311)	(801)	34,589	3	2
Beginning balance at Dec. 31, 2019	38,530	4,159	4	28,203	(23,252)	(801)	34,371	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	521
Ending balance at Sep. 30, 2020	39,268	4,069	5	28,419	(23,559)	(801)	35,199	3	2
Beginning balance at Mar. 31, 2020	38,702	4,113	4	28,216	(23,311)	(801)	34,589	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	23	23		23
Net income	179	(214)			(214)		393
Ending balance at Jun. 30, 2020	38,904	3,922	4	28,239	(23,525)	(801)	34,982	3	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation	181	181	1	180
Net income	183	(34)			(34)		217
Ending balance at Sep. 30, 2020	$ 39,268	$ 4,069	$ 5	$ 28,419	$ (23,559)	$ (801)	$ 35,199	$ 3	$ 2