CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Class A	Class T	Total Stockholders’ Equity	Common Stock	Common Stock Class A	Common Stock Class T	Additional Paid-in Capital	Cumulative Distributions and Net Losses	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balance (in shares) at Dec. 31, 2018						18,103,437	12,208,242
Balance at Dec. 31, 2018	$ 204,438			$ 193,270		$ 181	$ 122	$ 266,339	$ (73,461)	$ 89	$ 11,168
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(4,891)			(4,120)					(4,120)		(771)
Other comprehensive loss	(89)			(89)						(89)
Issuance of common stock (in shares)						73,549	65,825
Issuance of common stock	1,347			1,347		$ 1	$ 1	1,345
Redemptions of common stock (in shares)						(251,212)	(35,977)
Redemptions of common stock	(2,733)			(2,733)		$ (3)		(2,730)
Transfers from redeemable common stock	1,366			1,366				1,366
Distributions declared	(1,930)			(1,930)					(1,930)
Noncontrolling interests contributions	210			0							210
Distributions to noncontrolling interests	(100)			0							(100)
Balance (in shares) at Jun. 30, 2019						17,925,774	12,238,090
Balance at Jun. 30, 2019	197,618			187,111		$ 179	$ 123	266,320	(79,511)	0	10,507
Balance (in shares) at Mar. 31, 2019						17,926,128	12,216,244
Balance at Mar. 31, 2019	201,183			190,456		$ 179	$ 122	266,320	(76,202)	37	10,727
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,805)			(2,585)					(2,585)		(220)
Other comprehensive loss	(37)			(37)						(37)
Issuance of common stock (in shares)						24,324	21,846
Issuance of common stock	448			448		$ 1	$ 1	446
Redemptions of common stock (in shares)						(24,678)
Redemptions of common stock	(239)			(239)		$ (1)		(238)
Transfers to redeemable common stock	(208)			(208)				(208)
Distributions declared	(724)			(724)					(724)
Noncontrolling interests contributions	100			0							100
Distributions to noncontrolling interests	(100)			0							(100)
Balance (in shares) at Jun. 30, 2019						17,925,774	12,238,090
Balance at Jun. 30, 2019	197,618			187,111		$ 179	$ 123	266,320	(79,511)	0	10,507
Balance (in shares) at Dec. 31, 2019		17,949,194	12,272,927			17,949,194	12,272,927
Balance at Dec. 31, 2019	190,242			182,273		$ 179	$ 123	266,310	(84,339)	0	7,969
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(17,902)			(16,811)					(16,811)		(1,091)
Other comprehensive loss	0
Issuance of common stock (in shares)						6,552	6,290
Issuance of common stock	135			135				135
Redemptions of common stock (in shares)						(114,527)	(56,688)
Redemptions of common stock	(1,730)			(1,730)	$ (1,700)	$ (1)		(1,729)
Transfers from redeemable common stock	1,597			1,597				1,597
Other offering costs	(15)			(15)				(15)
Noncontrolling interests contributions	10			0							10
Distributions to noncontrolling interests	(200)			0							(200)
Balance (in shares) at Jun. 30, 2020		17,841,219	12,222,529			17,841,219	12,222,529
Balance at Jun. 30, 2020	172,137			165,449		$ 178	$ 123	266,298	(101,150)	0	6,688
Balance (in shares) at Mar. 31, 2020						17,842,301	12,222,534
Balance at Mar. 31, 2020	179,215			171,804		$ 178	$ 123	266,312	(94,809)	0	7,411
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(6,864)			(6,341)					(6,341)		(523)
Other comprehensive loss	0
Redemptions of common stock (in shares)						(1,082)	(5)
Redemptions of common stock	(10)			(10)				(10)
Transfers from redeemable common stock	11			11				11
Other offering costs	(15)			(15)				(15)
Distributions to noncontrolling interests	(200)			0							(200)
Balance (in shares) at Jun. 30, 2020		17,841,219	12,222,529			17,841,219	12,222,529
Balance at Jun. 30, 2020	$ 172,137			$ 165,449		$ 178	$ 123	$ 266,298	$ (101,150)	$ 0	$ 6,688