CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive (Loss) income	Accumulated Deficit	Non- Controlling Interest
Beginning balance at Dec. 31, 2019	$ 199,560	$ 156	$ 232,331	$ (10)	$ (32,824)	$ (93)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions - Common Stock	(3,822)				(3,822)
Restricted stock and restricted stock units vesting	0	1	(1)
Compensation expense - restricted stock and restricted stock units	438		438
Distributions to non-controlling interests	(89)					(89)
Shares issued through equity offering program, net	12,077	7	12,070
Shares repurchased	(616)		(616)
Net (loss) income	(4,799)				(4,831)	32
Other comprehensive income (loss)	(23)			(20)		(3)
Comprehensive loss	(4,822)
Ending balance at Mar. 31, 2020	202,726	164	244,222	(30)	(41,477)	(153)
Beginning balance at Dec. 31, 2019	199,560	156	232,331	(10)	(32,824)	(93)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(9,014)
Other comprehensive income (loss)	(22)
Comprehensive loss	(9,036)
Ending balance at Jun. 30, 2020	195,151	164	244,683	(28)	(49,545)	(123)
Beginning balance at Mar. 31, 2020	202,726	164	244,222	(30)	(41,477)	(153)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions - Common Stock	(3,822)				(3,822)
Compensation expense - restricted stock and restricted stock units	461		461
Net (loss) income	(4,215)				(4,246)	31
Other comprehensive income (loss)	1			2		(1)
Comprehensive loss	(4,214)
Ending balance at Jun. 30, 2020	195,151	164	244,683	(28)	(49,545)	(123)
Beginning balance at Dec. 31, 2020	177,688	164	245,605	(19)	(67,978)	(84)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions - Common Stock	(4,011)				(4,011)
Restricted stock and restricted stock units vesting	0	4	(4)
Compensation expense - restricted stock and restricted stock units	538		538
Net (loss) income	(3,731)				(3,765)	34
Other comprehensive income (loss)	5			4		1
Comprehensive loss	(3,726)
Ending balance at Mar. 31, 2021	170,489	168	246,139	(15)	(75,754)	(49)
Beginning balance at Dec. 31, 2020	177,688	164	245,605	(19)	(67,978)	(84)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	2,329
Other comprehensive income (loss)	10
Comprehensive loss	2,339
Ending balance at Jun. 30, 2021	180,465	172	254,053	(11)	(73,734)	(15)
Beginning balance at Mar. 31, 2021	170,489	168	246,139	(15)	(75,754)	(49)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions - Common Stock	(4,007)				(4,007)
Compensation expense - restricted stock and restricted stock units	569		569
Shares issued through equity offering program, net	7,349	4	7,345
Net (loss) income	6,060				6,027	33
Other comprehensive income (loss)	5			4		1
Comprehensive loss	6,065
Ending balance at Jun. 30, 2021	$ 180,465	$ 172	$ 254,053	$ (11)	$ (73,734)	$ (15)