SUBSEQUENT EVENTS (Details) (USD $)	1 Months Ended
	Apr. 20, 2015 acre	Mar. 31, 2015 sqft
San Antonio [Member] | Acquisition of development land [Member]
Subsequent Event [Line Items]
Size (in acres) of land acquired	38
Purchase price for development land acquired	$ 4,400,000
Phoenix Area [Member] | Acquisition of development land [Member]
Subsequent Event [Line Items]
Size (in acres) of land acquired	4.9
Purchase price for development land acquired	1,500,000
Ambassador Row Warehouse (one building sold in 2015) [Member]
Subsequent Event [Line Items]
Square Footage of Real Estate Property		185,000
Ambassador Row Warehouse (one building sold in 2015) [Member] | Property sold [Member]
Subsequent Event [Line Items]
Number of properties originally owned	3
Size (in square feet) of property sold	185,000
Gross sales price of property sold	$ 5,250,000