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FAIR VALUE MEASUREMENTS (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Deposits - current and non-current $ 736 $ 814
Derivative Assets 80 112
Assets, Fair Value Disclosure 816  
Fair Value, Inputs, Level 1 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Deposits - current and non-current 736 814
Derivative Assets 80 112
Assets, Fair Value Disclosure 816  
Fair Value, Inputs, Level 2 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Deposits - current and non-current 0 0
Derivative Assets 0 0
Assets, Fair Value Disclosure 0  
Fair Value, Inputs, Level 3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Restricted Deposits - current and non-current 0 0
Derivative Assets 0 0
Assets, Fair Value Disclosure $ 0