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FAIR VALUE ACCOUNTING (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Pension assets $ 1,616 $ 1,630
Totals 1,616 1,630
Derivative liabilities 2,794 2,244
Totals 2,794 2,244
Level 1
   
Pension assets 1,616 1,630
Totals 1,616 1,630
Derivative liabilities      
Totals      
Level 2
   
Pension assets      
Totals      
Derivative liabilities      
Totals      
Level 3
   
Pension assets      
Totals      
Derivative liabilities 2,794 2,244
Totals $ 2,794 $ 2,244