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EMPLOYEE BENEFIT PLANS (Schedule of Changes in Benefit Obligations and Plan Assets and Funded Status) (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]
      
CHANGE IN BENEFIT OBLIGATION:      
Benefit obligation at beginning of year $ 25,709 $ 23,337  
Service cost 1,593 1,335 1,097
Interest cost 1,234 1,198 1,186
Actuarial loss 2,882 1,385  
Benefits paid (1,574) (1,546)  
Benefit obligation at end of year 29,844 25,709 23,337
CHANGE IN PLAN ASSETS:      
Fair value of plan assets at beginning of year 18,180 17,749  
Actual return on plan assets 2,162 (123)  
Employer contributions 2,600 2,100  
Benefits paid (1,574) (1,546)  
Fair value of plan assets at end of year 21,368 18,180 17,749
Funded status of the plan-under funded $ (8,476) $ (7,529)