CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Buildings and improvements, accumulated depreciation	$ 26,683	$ 21,403
Furniture, fixtures and equipment, accumulated depreciation	436	369
Acquired intangible lease assets, accumulated amortization	28,619	24,413
Allowance for doubtful accounts	124	6
Deferred leasing costs, amortization	1,039	732
Note to affiliate, unamortized discount	859	1,217
Acquired below market lease intangibles, accumulated amortization	$ 5,005	$ 4,346
Preferred stock, shares issued (in shares)	0	0
Class A Shares
Common stock, shares issued (in shares)	3,604,401	3,821,127
Common stock, shares outstanding (in shares)	3,604,401	3,821,127
Class D Shares
Common stock, shares issued (in shares)	176,101
Common stock, shares outstanding (in shares)	176,101	176,101
Class I Shares
Common stock, shares issued (in shares)	10,457,136	9,557,896
Common stock, shares outstanding (in shares)	10,457,136	9,557,896
Class M-I Common Stock
Common stock, shares issued (in shares)	0	0
Class N Shares
Common stock, shares issued (in shares)	0	0
Class S Shares
Common stock, shares issued (in shares)	0	0
Class T Shares
Common stock, shares issued (in shares)	984,867	938,409
Common stock, shares outstanding (in shares)	984,867	938,409
Class T2 Common Stock
Common stock, shares issued (in shares)	0	0
Class Z Common Stock
Common stock, shares issued (in shares)	0	0