INCOME TAXES (Details 2) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Allowance for losses on notes	$ 383	$ 639
Installment note on land sale	2,876	4,793
Deferred gain	6,814	14,537
Net operating loss carryforward	46,709	66,015
Subtotal	56,782	85,984
Less: valuation allowance	(29,806)	(48,926)
Total net deferred tax assets	26,976	37,058
Basis differences for fixed assets	26,976	37,058
Total deferred tax liability	26,976	37,058
Current net deferred tax asset	26,976	37,058
Long-term net deferred tax liability	$ 26,976	$ 37,058