MERGER AND SELF-MANAGEMENT TRANSACTION - Unaudited Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Entity Information [Line Items]
Revenue	$ 39,967	$ 33,310
Net (loss) income	$ (5,768)	$ (7,357)
Basic and diluted (in usd per share)	$ (0.22)	$ (0.33)
Basic and diluted (in shares)	26,394,434	22,491,568
Reportable Legal Entities
Entity Information [Line Items]
Revenue	$ 24,545	$ 17,985
Net (loss) income	$ (4,416)	$ (1,802)
Basic and diluted (in usd per share)	$ (0.29)	$ (0.16)
Basic and diluted (in shares)	15,036,474	11,069,864
Adjustments
Entity Information [Line Items]
Revenue	$ (5,525)	$ (7,557)
Net (loss) income	$ 2,679	$ (4,610)
Basic and diluted (in shares)	2,333,090	2,333,090
REIT I | Reportable Legal Entities
Entity Information [Line Items]
Revenue	$ 13,132	$ 13,167
Net (loss) income	$ (1,311)	$ (897)
Basic and diluted (in usd per share)	$ (0.16)	$ (0.11)
Basic and diluted (in shares)	8,340,602	8,404,346
BrixInvest | Reportable Legal Entities
Entity Information [Line Items]
Revenue	$ 7,815	$ 9,716
Net (loss) income	$ (2,719)	$ (49)
Basic and diluted (in usd per share)	$ (3.97)	$ (0.07)
Basic and diluted (in shares)	684,268	684,268