RELATED PARTY TRANSACTIONS (Details) - Advisor Fees [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Expensed legal leasing fees
Summarized below are the related-party transactions
Related-party costs, Incurred	$ 2	$ 0	$ 2	$ 0
Related-party costs, Payable	2		2		$ 0
Expensed Asset management Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	148	156	302	324
Related-party costs, Payable	49		49		0
Expensed Reimbursement Of Operating Expenses [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	0	6	0	12
Related-party costs, Payable	0		0		0
Expensed Property Management Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	15	15	35	36
Related-party costs, Payable	6		6		9
Expensed Disposition Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	50	0	50	157
Related-party costs, Payable	0		0		0
Capitalized Acquisition Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	3	3	5	9
Related-party costs, Payable	1		1		0
Capitalized Leasing Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	0	61	20	100
Related-party costs, Payable	15		15		0
Capitalized Legal Leasing Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	0	20	10	27
Related-party costs, Payable	3		3		0
Capitalized Construction Management Fees [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	3	62	35	128
Related-party costs, Payable	34		34		2
Expensed [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	215	177	389	529
Related-party costs, Payable	57		57		9
Capitalized [Member]
Summarized below are the related-party transactions
Related-party costs, Incurred	6	$ 146	70	$ 264
Related-party costs, Payable	$ 53		$ 53		$ 2