v2.3.0.15
DERIVATIVE FINANCIAL INSTRUMENTS (Details 3) (Interest rate contracts:, USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Interest rate contracts
Sep. 30, 2010
Interest rate contracts
Sep. 30, 2011
Interest rate contracts
Sep. 30, 2010
Interest rate contracts
Interest rate contracts:
    
Derivative contracts not designated as hedging instruments and the location of gain or (loss) recognized in income    
Realized loss$ (370)$ (406)$ (1,082)$ (1,364)
Unrealized gain36856913173
Total gain (loss)$ (2)$ (350)$ (169)$ (1,191)