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EMPLOYEE BENEFIT PLANS (Schedule of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss)) (Details) (Pension Plans [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Pension Plans [Member]
      
PENSION PLANS:      
Net periodic pension cost $ 2,229 $ 1,741 $ 1,520
OTHER CHANGES IN PLAN ASSETS AND BENEFIT OBLIGATIONS RECOGNIZED IN OTHER COMPREHENSIVE INCOME (LOSS)      
Net loss 2,376 3,090 1,895
Recognized loss (1,094) (800) (705)
Recognized prior service cost 19 (7) (15)
Recognized net initial asset 17 17 17
Total recognized in other comprehensive income (loss) before tax effect 1,318 2,300 1,192
Total recognized in net benefit cost and other comprehensive income (loss) before tax effect $ 3,547 $ 4,041 $ 2,712