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CASH FLOW INFORMATION (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
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Dec. 31, 2013
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CASH FLOW INFORMATION    
Number of interest rate swaps 1 4
Derivative asset and liability balances    
Fair value of interest rate swaps in a liability position (Current Liabilities) $ 5,747 $ 6,975