SUBSEQUENT EVENTS (Details)	1 Months Ended
	Apr. 22, 2016 USD ($) ft² a Integer
Sixty-five million term loan (2016) [Member]
Subsequent Event [Line Items]
Unsecured debt, notional amount	$ 65,000,000
Debt Instrument, Interest Rate, Stated Percentage	2.863%
Unsecured debt, term (in years) | Integer	7
Long-term debt, margin over LIBOR rate	1.65%
Valwood land [Member] | Property sold [Member]
Subsequent Event [Line Items]
Proceeds from Sale of Property, Plant, and Equipment	$ 644,000
Area of Land | a	3.9
West Loop Distribution Center [Member] | Property sold [Member]
Subsequent Event [Line Items]
Square Footage of Real Estate Property | ft²	161,000
Proceeds from Sale of Property, Plant, and Equipment	$ 13,500,000
North Stemmons II [Member] | Property sold [Member]
Subsequent Event [Line Items]
Square Footage of Real Estate Property | ft²	26,000
Proceeds from Sale of Property, Plant, and Equipment	$ 1,300,000
Lockwood Distribution Center [Member] | Property sold [Member]
Subsequent Event [Line Items]
Square Footage of Real Estate Property | ft²	392,000
Proceeds from Sale of Property, Plant, and Equipment	$ 14,300,000