RENTAL INCOME (Commercial Leases) (Details)	6 Months Ended
	Jun. 30, 2020 USD ($) ft² item
RENTAL INCOME
Annual base rent for expiring leases | $	$ 2,835,154
Total square feet for expiring leases | ft²	108,154
Total number of leases expiring | item	49
Percentage of annual base rent for expiring leases	100.00%
2021
RENTAL INCOME
Annual base rent for expiring leases | $	$ 759,320
Total square feet for expiring leases | ft²	39,256
Total number of leases expiring | item	18
Percentage of annual base rent for expiring leases	27.00%
2022
RENTAL INCOME
Annual base rent for expiring leases | $	$ 605,587
Total square feet for expiring leases | ft²	24,225
Total number of leases expiring | item	8
Percentage of annual base rent for expiring leases	21.00%
2023
RENTAL INCOME
Annual base rent for expiring leases | $	$ 421,687
Total square feet for expiring leases | ft²	11,481
Total number of leases expiring | item	7
Percentage of annual base rent for expiring leases	15.00%
2024
RENTAL INCOME
Annual base rent for expiring leases | $	$ 491,548
Total square feet for expiring leases | ft²	14,668
Total number of leases expiring | item	8
Percentage of annual base rent for expiring leases	17.00%
2025
RENTAL INCOME
Annual base rent for expiring leases | $	$ 414,562
Total square feet for expiring leases | ft²	14,674
Total number of leases expiring | item	7
Percentage of annual base rent for expiring leases	15.00%
2030
RENTAL INCOME
Annual base rent for expiring leases | $	$ 142,450
Total square feet for expiring leases | ft²	3,850
Total number of leases expiring | item	1
Percentage of annual base rent for expiring leases	5.00%