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INCOME TAXES (Details 2) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Net operating losses $ 67,112 $ 74,357 $ 88,486
AMT credits 2,751 2,201 2,201
Basis difference of:      
Real estate holdings and equipment (11,197) 10,337 11,959
Notes receivable 6,475 6,946 7,448
Investments (14,966) (14,950) (14,960)
Notes payable 3,455 8,189 13,360
Deferred gains 19,868 18,086 18,746
Total 73,498 105,166 127,240
Deferred tax valuation allowance $ (73,498) $ (105,166) $ (127,240)