INCOME TAXES (Details 2) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Net operating losses	$ 64,048	$ 67,112	$ 74,357
AMT credits	2,418	2,751	2,201
Basis difference of:
Real estate holdings	(1,580)	(11,197)	10,337
Notes receivable	10,756	6,475	6,946
Investments	(13,775)	(14,966)	(14,950)
Notes payable	2,700	3,455	8,189
Deferred gains	21,462	19,868	18,086
Total	86,029	73,498	105,166
Deferred tax valuation allowance	$ (86,029)	$ (73,498)	$ (105,166)

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