INCOME TAXES (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Computed "expected" income tax (benefit) expense	$ (827)	$ (800)	$ 14,061
Book to tax differences in gains on sale of property	(2,757)	(3,744)	(2,350)
Book to tax differences of depreciation and amortization	(497)	(193)	(1,415)
Other book to tax differences	4,126	5,737	(10,296)
Total	$ 45	$ 1,000