RENTAL INCOME (Commercial Leases) (Details)	3 Months Ended
	Mar. 31, 2017 USD ($) ft² item
RENTAL INCOME
Annual base rent for expiring leases | $	$ 2,894,780
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 | $	$ 208,937
Total square feet for expiring leases | ft²	13,167
Total number of leases expiring | item	9
Percentage of annual base rent for expiring leases	7.00%
Through December 31, 2018
RENTAL INCOME
Annual base rent for expiring leases | $	$ 459,360
Total square feet for expiring leases | ft²	13,540
Total number of leases expiring | item	9
Percentage of annual base rent for expiring leases	16.00%
Through December 31, 2019
RENTAL INCOME
Annual base rent for expiring leases | $	$ 631,614
Total square feet for expiring leases | ft²	23,380
Total number of leases expiring | item	12
Percentage of annual base rent for expiring leases	22.00%
Through December 31, 2020
RENTAL INCOME
Annual base rent for expiring leases | $	$ 128,338
Total square feet for expiring leases | ft²	1,786
Total number of leases expiring | item	4
Percentage of annual base rent for expiring leases	4.00%
Through December 31, 2021
RENTAL INCOME
Annual base rent for expiring leases | $	$ 1,121,202
Total square feet for expiring leases | ft²	47,050
Total number of leases expiring | item	8
Percentage of annual base rent for expiring leases	39.00%
Through December 31, 2022
RENTAL INCOME
Annual base rent for expiring leases | $	$ 93,702
Total square feet for expiring leases | ft²	2,491
Total number of leases expiring | item	2
Percentage of annual base rent for expiring leases	3.00%
Through December 31, 2023
RENTAL INCOME
Annual base rent for expiring leases | $	$ 251,627
Total square feet for expiring leases | ft²	6,629
Total number of leases expiring | item	2
Percentage of annual base rent for expiring leases	9.00%