RENTAL INCOME (Commercial Leases) (Details)	12 Months Ended
	Dec. 31, 2016 USD ($) ft² item
RENTAL INCOME
Annual base rent for expiring leases | $	$ 2,974,436
Total square feet for expiring leases | ft²	108,043
Total number of leases expiring | item	46
Percentage of annual base rent for expiring leases	100.00%
Through December 31, 2017
RENTAL INCOME
Annual base rent for expiring leases | $	$ 298,019
Total square feet for expiring leases | ft²	13,430
Total number of leases expiring | item	10
Percentage of annual base rent for expiring leases	10.00%
Through December 31, 2018
RENTAL INCOME
Annual base rent for expiring leases | $	$ 333,911
Total square feet for expiring leases | ft²	9,557
Total number of leases expiring | item	7
Percentage of annual base rent for expiring leases	11.00%
Through December 31, 2019
RENTAL INCOME
Annual base rent for expiring leases | $	$ 699,908
Total square feet for expiring leases | ft²	24,688
Total number of leases expiring | item	12
Percentage of annual base rent for expiring leases	24.00%
Through December 31, 2020
RENTAL INCOME
Annual base rent for expiring leases | $	$ 191,771
Total square feet for expiring leases | ft²	4,739
Total number of leases expiring | item	6
Percentage of annual base rent for expiring leases	6.00%
Through December 31, 2021
RENTAL INCOME
Annual base rent for expiring leases | $	$ 829,156
Total square feet for expiring leases | ft²	40,323
Total number of leases expiring | item	6
Percentage of annual base rent for expiring leases	29.00%
Through December 31, 2022
RENTAL INCOME
Annual base rent for expiring leases | $	$ 370,044
Total square feet for expiring leases | ft²	8,677
Total number of leases expiring | item	3
Percentage of annual base rent for expiring leases	12.00%
Through December 31, 2023
RENTAL INCOME
Annual base rent for expiring leases | $	$ 157,443
Total square feet for expiring leases | ft²	4,771
Total number of leases expiring | item	1
Percentage of annual base rent for expiring leases	5.00%
Through December 31, 2024
RENTAL INCOME
Annual base rent for expiring leases | $	$ 94,184
Total square feet for expiring leases | ft²	1,858
Total number of leases expiring | item	1
Percentage of annual base rent for expiring leases	3.00%