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ASSETS HELD FOR SALE (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                              
Assets held for sale $ 17,051,000       $ 22,600,000               $ 17,051,000 $ 22,600,000  
Liabilities held for sale 10,022,000       10,241,000               10,022,000 10,241,000  
Results of discontinued operations [Abstract]                              
Net (loss) income from discontinued operations (548,000) (75,000) (1,235,000) 64,000 (3,100,000) 138,000 204,000 129,000 (1,549,000) 81,000 28,000 75,000 (1,794,000) (2,629,000) (1,314,000)
Assets and liabilities of the multifamily housing project held for sale [Abstract]                              
Cash and cash equivalents 211,000       170,000               211,000 170,000  
Accounts receivable 19,000       13,000               19,000 13,000  
Prepaid expenses 42,000       99,000               42,000 99,000  
Property, plant and equipment, net 14,775,000       17,730,000               14,775,000 17,730,000  
Restricted investment 120,000       120,000               120,000 120,000  
Assets of discontinued operations held for sale 15,167,000       18,132,000               15,167,000 18,132,000  
Corporate aircraft and related facilities 1,884,000       4,468,000               1,884,000 4,468,000  
Assets held for sale 17,051,000       22,600,000               17,051,000 22,600,000  
Accounts payable 144,000       117,000               144,000 117,000  
Accrued and other liabilities 257,000       220,000               257,000 220,000  
Long term debt 9,621,000       9,904,000               9,621,000 9,904,000  
Liabilities held for sale 10,022,000       10,241,000               10,022,000 10,241,000  
Real Estate Operations [Member]
                              
Results of discontinued operations [Abstract]                              
Revenues                         2,037,000 2,147,000 2,411,000
Operating expenses                         1,885,000 1,468,000 2,062,000
Disposal group including discontinued operations impairment                         2,955,000 3,063,000 1,540,000
Total operating expenses                         4,840,000 4,531,000 3,602,000
(Loss) income before income taxes                         (2,803,000) (2,384,000) (1,191,000)
Income tax benefit from (provision for)                         1,009,000 (245,000) (123,000)
Net (loss) income from discontinued operations                         (1,794,000) (2,629,000) (1,314,000)
Corporate Aircraft and Facilities [Member]
                              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                              
Assets held for sale 1,900,000                       1,900,000    
Impairment to adjust the carrying value to expected sales value 2,300,000                       2,300,000    
Assets and liabilities of the multifamily housing project held for sale [Abstract]                              
Assets held for sale 1,900,000                       1,900,000    
Remington Village Multifamily [Member]
                              
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                              
Assets held for sale 15,200,000                       15,200,000    
Intended selling price of Remington Village 15,000,000                       15,000,000    
Impairment to adjust the carrying value to expected sales value 3,000,000                       3,000,000    
Liabilities held for sale 10,022,000                       10,022,000    
Depreciation of assets held for sale not recorded                         747,000 946,000  
Assets and liabilities of the multifamily housing project held for sale [Abstract]                              
Assets held for sale $ 15,200,000                       $ 15,200,000