SUBSEQUENT EVENT (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Jul. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Jun. 30, 2015	[1]	Dec. 31, 2015	[1]
Subsequent Event [Line Items]
Net book value of property			$ 53,713			$ 57,611
Consideration received from sale of property			$ 1	$ 58
Subsequent Event [Member]
Subsequent Event [Line Items]
Consideration received from sale of property	$ 2,100
Gain on sale of property		$ 2,000
Subsequent Event [Member] | Maximum [Member]
Subsequent Event [Line Items]
Net book value of property	$ 100

[1] (Revised)