CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Class A Common Stock	Class T Common Stock	Common Stock Class A Common Stock	Common Stock Class T Common Stock	Additional Paid-in Capital	Cumulative Distributions and Net Losses
Balance (in shares) at Dec. 31, 2018				9,386,908	294,963
Balance at Dec. 31, 2018	$ 54,591			$ 94	$ 3	$ 79,907	$ (25,413)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(4,267)						(4,267)
Issuance of common stock (in shares)				331,202	6,688
Issuance of common stock	3,108			$ 3		3,105
Transfers from redeemable common stock	21					21
Redemptions of common stock (in shares)				0	(2,245)
Redemptions of common stock	(21)			$ 0		(21)
Distributions declared	(2,706)						(2,706)
Balance (in shares) at Jun. 30, 2019				9,718,110	299,406
Balance at Jun. 30, 2019	50,726			$ 97	$ 3	83,012	(32,386)
Balance (in shares) at Mar. 31, 2019				9,564,865	296,014
Balance at Mar. 31, 2019	53,349			$ 96	$ 3	81,572	(28,322)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(2,686)						(2,686)
Issuance of common stock (in shares)				153,245	3,392
Issuance of common stock	1,441			$ 1		1,440
Distributions declared	(1,378)						(1,378)
Balance (in shares) at Jun. 30, 2019				9,718,110	299,406
Balance at Jun. 30, 2019	50,726			$ 97	$ 3	83,012	(32,386)
Balance (in shares) at Dec. 31, 2019		9,841,004	306,292	9,841,004	306,292
Balance at Dec. 31, 2019	47,278			$ 98	$ 3	84,184	(37,007)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(4,929)						(4,929)
Issuance of common stock (in shares)				50,357	4,126
Issuance of common stock	459			$ 1		458
Transfers from redeemable common stock	200					200
Redemptions of common stock (in shares)				(23,736)	0
Redemptions of common stock	(200)					(200)
Distributions declared	(1,287)						(1,287)
Balance (in shares) at Jun. 30, 2020		9,867,625	310,418	9,867,625	310,418
Balance at Jun. 30, 2020	41,521			$ 99	$ 3	84,642	(43,223)
Balance (in shares) at Mar. 31, 2020				9,870,515	308,712
Balance at Mar. 31, 2020	42,845			$ 99	$ 3	84,452	(41,709)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(871)						(871)
Issuance of common stock (in shares)				20,846	1,706
Issuance of common stock	190			$ 0		190
Transfers from redeemable common stock	200					200
Redemptions of common stock (in shares)				(23,736)	0
Redemptions of common stock	(200)					(200)
Distributions declared	(643)						(643)
Balance (in shares) at Jun. 30, 2020		9,867,625	310,418	9,867,625	310,418
Balance at Jun. 30, 2020	$ 41,521			$ 99	$ 3	$ 84,642	$ (43,223)