RENTAL INCOME (Commercial Leases) (Details)	6 Months Ended
	Jun. 30, 2019 USD ($) ft² item
RENTAL INCOME
Annual base rent for expiring leases | $	$ 2,925,852
Total square feet for expiring leases | ft²	106,683
Total number of leases expiring | item	45
Percentage of annual base rent for expiring leases	100.00%
Through March 31, 2020
RENTAL INCOME
Annual base rent for expiring leases | $	$ 164,818
Total square feet for expiring leases | ft²	9,262
Total number of leases expiring | item	8
Percentage of annual base rent for expiring leases	6.00%
Through March 31, 2021
RENTAL INCOME
Annual base rent for expiring leases | $	$ 747,156
Total square feet for expiring leases | ft²	28,897
Total number of leases expiring | item	9
Percentage of annual base rent for expiring leases	25.00%
Through March 31, 2022
RENTAL INCOME
Annual base rent for expiring leases | $	$ 605,588
Total square feet for expiring leases | ft²	24,225
Total number of leases expiring | item	8
Percentage of annual base rent for expiring leases	20.00%
Through March 31, 2023
RENTAL INCOME
Annual base rent for expiring leases | $	$ 472,907
Total square feet for expiring leases | ft²	13,151
Total number of leases expiring | item	7
Percentage of annual base rent for expiring leases	16.00%
Through March 31, 2024
RENTAL INCOME
Annual base rent for expiring leases | $	$ 484,028
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%
Through March 31, 2025
RENTAL INCOME
Annual base rent for expiring leases | $	$ 308,905
Total square feet for expiring leases | ft²	12,630
Total number of leases expiring | item	4
Percentage of annual base rent for expiring leases	11.00%
Through March 31, 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%