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FAIR VALUE (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Fair Value Measurements [Abstract]    
Commodity risk management assets $ 472,000 $ 3,000
Available for sale securities 183,000 166,000
Assets held for sale 17,051,000 18,132,000
Total assets 17,706,000 18,301,000
Commodity risk management liability 0 601,000
Other accrued liabilities 771,000 822,000
Total 771,000 1,423,000
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning of period 22,600,000  
Scheduled Depreciation (235,000)  
Revision of value (5,314,000)  
End of period 17,051,000  
Summary of fair value and unrealized gain of investments by major security type [Abstract]    
Less than 12 months, fair value 183,000 166,000
Less than 12 months, unrealized gain 159,000 122,000
12 months or greater, fair value 0 0
12 months or greater, unrealized gain 0 0
Total, fair value, 183,000 166,000
Total, unrealized gain 159,000 122,000
Fair value and carrying value of debt 19,800,000  
Available for Sale Securities [Member]
    
Summary of fair value and unrealized gain of investments by major security type [Abstract]    
Less than 12 months, fair value 183,000 166,000
Less than 12 months, unrealized gain 159,000 122,000
12 months or greater, fair value 0 0
12 months or greater, unrealized gain 0 0
Total, fair value, 183,000 166,000
Total, unrealized gain 159,000 122,000
Other Accrued Liabilities [Member]
    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning of period 821,000  
Additions and Payments (50,000)  
Ending of period 771,000  
Asset Held For Sale [Member] | Remington Village [Member]
    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning of period 18,132,000  
Scheduled Depreciation 0  
Revision of value (2,965,000)  
End of period 15,167,000  
Asset Held For Sale [Member] | Corporate Aircraft and Facilities [Member]
    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Beginning of period 4,468,000  
Scheduled Depreciation (235,000)  
Revision of value (2,349,000)  
End of period 1,884,000  
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
    
Fair Value Measurements [Abstract]    
Commodity risk management assets 0 0
Available for sale securities 183,000 166,000
Assets held for sale 0 0
Total assets 183,000 166,000
Commodity risk management liability 0 0
Other accrued liabilities 0 0
Total 0 0
Significant Other Observable Inputs (Level 2) [Member]
    
Fair Value Measurements [Abstract]    
Commodity risk management assets 472,000 3,000
Available for sale securities 0 0
Assets held for sale 0 0
Total assets 472,000 3,000
Commodity risk management liability 0 601,000
Other accrued liabilities 0 0
Total 0 601,000
Significant Unobservable Inputs (Level 3) [Member]
    
Fair Value Measurements [Abstract]    
Commodity risk management assets 0 0
Available for sale securities 0 0
Assets held for sale 17,051,000 18,132,000
Total assets 17,051,000 18,132,000
Commodity risk management liability 0 0
Other accrued liabilities 771,000 822,000
Total $ 771,000 $ 822,000