RESTATEMENT OF PREVIOUSLY ISSUED CONSOLIDATED FINANCIAL STATEMENTS - Income Statement (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jun. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Revenues:
Rental and other revenue from real estate properties	$ 6,765	$ 6,261	$ 7,097	$ 6,886	$ 6,211	$ 6,127	$ 5,205	$ 5,087	$ 13,983	$ 10,292	$ 20,244	$ 16,419	$ 27,009	$ 22,630	[1]
Other income	157	161	190	244	223	198	203	175	434	378	595	576	752	799	[1]
Total revenues	6,922	6,422	7,287	7,130	6,434	6,325	5,408	5,262	14,417	10,670	20,839	16,995	27,761	23,429	[1]
Expenses:
Real estate operating expenses	3,090	2,741	3,325	3,176	2,966	2,952	2,393	2,384	6,501	4,777	9,242	7,729	12,332	10,695	[1]
Interest expense	1,931	1,870	2,049	1,946	1,747	1,779	1,471	1,442	3,995	2,913	5,865	4,692	7,796	6,439	[1]
General and administrative	2,636	2,430	2,481	2,544	2,476	2,002	2,452	2,453	5,025	4,905	7,455	6,907	10,091	9,383	[1]
Depreciation	1,568	1,373	1,428	1,547	1,408	1,369	1,076	1,074	2,975	2,150	4,348	3,519	5,916	4,927	[1]
Total expenses	9,225	8,414	9,283	9,213	8,597	8,102	7,392	7,353	18,496	14,745	26,910	22,847	36,135	31,444	[1]
Total revenues less total expenses	(2,303)	(1,992)	(1,996)	(2,083)	(2,163)	(1,777)	(1,984)	(2,091)	(4,079)	(4,075)	(6,071)	(5,852)	(8,374)	(8,015)	[1]
Equity in loss from unconsolidated joint ventures	(2,150)	(2,390)	(2,218)	(2,068)	(1,148)	(1,627)	(2,566)	253	(4,286)	(2,313)	(6,676)	(3,940)	(8,826)	(5,088)	[1]
Equity in earnings from sale of unconsolidated joint venture properties	9,932	0	0	0	11,467	0	0	26,402		26,402		26,402	9,932	37,869	[1]
Gain on sale of real estate	680	9,938	0	0	0	424	0	437		437	9,938	861	10,618	861	[1]
Gain on insurance recovery			0		0	0	0	0	0	0	0	0		0
Loss on extinguishment of debt	0	(1,387)	0	0	0	0	0	0		0	(1,387)	0	(1,387)	0	[1]
Income from continuing operations	6,159	4,169	(4,214)	(4,151)	8,156	(2,980)	(4,550)	25,001	(8,365)	20,451	(4,196)	17,471	1,963	25,627	[1]
Provision for taxes	51	98	59	62	57	97	101	(253)	121	(152)	219	(55)	270	2	[1]
Income from continuing operations, net of taxes	6,108	4,071	(4,273)	(4,213)	8,099	(3,077)	(4,651)	25,254	(8,486)	20,603	(4,415)	17,526	1,693	25,625	[1]
(Income) attributable to non-controlling interests	40	(799)	(44)	(34)	(26)	(34)	(38)	(32)	(78)	(70)	(877)	(104)	(837)	(130)	[1]
Net income attributable to common stockholders	$ 6,148	$ 3,272	$ (4,317)	$ (4,247)	$ 8,073	$ (3,111)	$ (4,689)	$ 25,222	$ (8,564)	$ 20,533	$ (5,292)	$ 17,422	$ 856	$ 25,495	[1]
Weighted average number of shares of common stock outstanding:
Basic (in shares)		15,913,975	15,900,316	15,886,493	15,744,233	15,635,953	14,411,940	14,242,076	15,893,443	14,327,477	15,900,362	14,768,429	15,965,631	15,014,385	[1]
Diluted (in shares)		16,113,975	15,900,316	15,886,493	15,944,233	15,635,953	14,411,940	14,442,076	15,893,443	14,527,477	15,900,362	14,968,429	16,165,631	15,214,385	[1]
Per share amounts attributable to common stockholders:
Basic earnings (loss) per share (in dollars per share)	$ 0.38	$ 0.21	$ (0.27)	$ (0.27)	$ 0.51	$ (0.20)	$ (0.33)	$ 1.77	$ (0.54)	$ 1.43	$ (0.33)	$ 1.18	$ 0.05	$ 1.70	[1]
Diluted earnings (loss) per share (in dollars per share)	$ 0.38	$ 0.20	$ (0.27)	$ (0.27)	$ 0.51	$ (0.20)	$ (0.33)	$ 1.75	$ (0.54)	$ 1.41	$ (0.33)	$ 1.16	$ 0.05	$ 1.68	[1]
As Previously reported
Revenues:
Rental and other revenue from real estate properties		$ 33,875	$ 32,930	$ 30,702	$ 31,216	$ 31,283	$ 29,951	$ 29,476	$ 63,632	$ 59,427	$ 97,507	$ 90,710		$ 121,926
Other income		161	190	244	223	198	203	175	434	378	595	576		799
Total revenues		34,036	33,120	30,946	31,439	31,481	30,154	29,651	64,066	59,805	98,102	91,286		122,725
Expenses:
Real estate operating expenses		16,281	16,100	14,814	15,224	15,661	14,459	14,198	30,914	28,657	47,195	44,318		59,542
Interest expense		9,845	9,739	8,769	8,946	8,965	8,786	8,657	18,508	17,443	28,353	26,408		35,356
General and administrative		2,430	2,481	2,544	2,476	2,002	2,452	2,453	5,025	4,905	7,455	6,907		9,383
Depreciation		9,950	10,347	9,617	10,192	10,416	10,200	9,240	19,964	19,440	29,914	29,856		40,048
Total expenses		38,506	38,667	35,744	36,838	37,044	35,897	34,548	74,411	70,445	112,917	107,489		144,329
Total revenues less total expenses		(4,470)	(5,547)	(4,798)	(5,399)	(5,563)	(5,743)	(4,897)	(10,345)	(10,640)	(14,815)	(16,203)		(21,604)
Equity in loss from unconsolidated joint ventures		(259)	(161)	(223)	(125)	(174)	(127)	(63)	(384)	(190)	(643)	(364)		(488)
Equity in earnings from sale of unconsolidated joint venture properties					0			0		0		0		0
Gain on sale of real estate		9,938			19,514	424		51,981		51,981	9,938	52,405		71,919
Gain on insurance recovery			517		1,585	1,272		3,227	517	3,227	517	4,499		6,084
Loss on extinguishment of debt		(1,766)			(207)			(593)		(593)	(1,766)	(593)		(800)
Income from continuing operations		3,443	(5,191)	(5,021)	15,368	(4,041)	(5,870)	49,655	(10,212)	43,785	(6,769)	39,744		55,111
Provision for taxes		98	59	62	58	97	101	(253)	121	(152)	219	(55)		2
Income from continuing operations, net of taxes		3,345	(5,250)	(5,083)	15,310	(4,138)	(5,971)	49,908	(10,333)	43,937	(6,988)	39,799		55,109
(Income) attributable to non-controlling interests		(73)	933	836	(7,237)	1,027	1,282	(24,686)	1,769	(23,404)	1,696	(22,377)		(29,614)
Net income attributable to common stockholders		3,272	(4,317)	(4,247)	8,073	(3,111)	(4,689)	25,222	(8,564)	20,533	(5,292)	17,422		$ 25,495
Per share amounts attributable to common stockholders:
Basic earnings (loss) per share (in dollars per share)														$ 1.70
Diluted earnings (loss) per share (in dollars per share)														$ 1.68
Restatement Impact
Revenues:
Rental and other revenue from real estate properties		(27,614)	(25,833)	(23,816)	(25,005)	(25,156)	(24,746)	(24,389)	(49,649)	(49,135)	(77,263)	(74,291)		$ (99,296)
Other income		0	0	0	0	0	0	0	0	0	0	0		0
Total revenues		(27,614)	(25,833)	(23,816)	(25,005)	(25,156)	(24,746)	(24,389)	(49,649)	(49,135)	(77,263)	(74,291)		(99,296)
Expenses:
Real estate operating expenses		(13,540)	(12,775)	(11,638)	(12,258)	(12,709)	(12,066)	(11,814)	(24,413)	(23,880)	(37,953)	(36,589)		(48,847)
Interest expense		(7,975)	(7,690)	(6,823)	(7,199)	(7,186)	(7,315)	(7,215)	(14,513)	(14,530)	(22,488)	(21,716)		(28,917)
General and administrative		0	0	0	0	0	0	0	0	0	0	0		0
Depreciation		(8,577)	(8,919)	(8,070)	(8,784)	(9,047)	(9,124)	(8,166)	(16,989)	(17,290)	(25,566)	(26,337)		(35,121)
Total expenses		(30,092)	(29,384)	(26,531)	(28,241)	(28,942)	(28,505)	(27,195)	(55,915)	(55,700)	(86,007)	(84,642)		(112,885)
Total revenues less total expenses		2,478	3,551	2,715	3,236	3,786	3,759	2,806	6,266	6,565	8,744	10,351		13,589
Equity in loss from unconsolidated joint ventures		(2,131)	(2,057)	(1,845)	(1,023)	(1,453)	(2,439)	316	(3,902)	(2,123)	(6,033)	(3,576)		(4,600)
Equity in earnings from sale of unconsolidated joint venture properties					11,467			26,402		26,402		26,402		37,869
Gain on sale of real estate		0			(19,514)	0		(51,544)		(51,544)	0	(51,544)		(71,058)
Gain on insurance recovery			(517)		(1,585)	(1,272)		(3,227)	(517)	(3,227)	(517)	(4,499)		(6,084)
Loss on extinguishment of debt		379			207			593		593	379	593		800
Income from continuing operations		726	977	870	(7,212)	1,061	1,320	(24,654)	1,847	(23,334)	2,573	(22,273)		(29,484)
Provision for taxes		0	0	0	(1)	0	0	0	0	0	0	0		0
Income from continuing operations, net of taxes		726	977	870	(7,211)	1,061	1,320	(24,654)	1,847	(23,334)	2,573	(22,273)		(29,484)
(Income) attributable to non-controlling interests		(726)	(977)	(870)	7,211	(1,061)	(1,320)	24,654	(1,847)	23,334	(2,573)	22,273		29,484
Net income attributable to common stockholders		$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0		$ 0

[1] * Amounts restated See footnotes 2 and 16 for more information.