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EMPLOYEE BENEFIT PLANS (Tables)
12 Months Ended
Dec. 31, 2012
EMPLOYEE BENEFIT PLANS [Abstract]  
Schedule of Pension Benefits
         
    YEAR ENDED DECEMBER 31,
     2012   2011
     (IN THOUSANDS)
CHANGE IN BENEFIT OBLIGATION:
                 
Benefit obligation at beginning of year   $ 25,709     $ 23,337  
Service cost     1,593       1,335  
Interest cost     1,234       1,198  
Actuarial loss     2,882       1,385  
Benefits paid     (1,574)       (1,546 ) 
Benefit obligation at end of year     29,844       25,709  
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  
Funded status of the plan - under funded   $ (8,476)     $ (7,529 ) 
Schedule of Amounts Not Yet Recognized as Component of Net Periodic Pension Cost:
         
    YEAR ENDED DECEMBER 31,
     2012   2011
     (IN THOUSANDS)
AMOUNTS NOT YET RECOGNIZED AS A COMPONENT OF NET PERIODIC PENSION COST:
                 
Amounts recognized in accumulated other comprehensive loss consists of:
                 
Transition asset   $ (8)     $ (25 ) 
Prior service cost     (38)       (58 ) 
Net actuarial loss     14,315       13,033  
Total   $ 14,269     $ 12,950  
       
Schedule of Accumulated Benefit Obligation
         
    YEAR ENDED DECEMBER 31,
     2012   2011
     (IN THOUSANDS)
ACCUMULATED BENEFIT OBLIGATION:
                 
Accumulated benefit obligation   $ 26,662     $ 23,016  
Schedule of Weighted-Average Assumptions Used to Determine Benefit Obligations
         
    YEAR ENDED DECEMBER 31,
     2012   2011
     (PERCENTAGES)
WEIGHTED AVERAGE ASSUMPTIONS:
                 
Discount rate     4.00%       4.75 % 
Salary scale     2.50       2.50  
           
Schedule of Components of Net Periodic Benefit Cost
         
    YEAR ENDED DECEMBER 31,
     2012   2011   2010
     (IN THOUSANDS)
COMPONENTS OF NET PERIODIC BENEFIT COST:
                          
Service cost   $ 1,593     $ 1,335     $ 1,097  
Interest cost     1,234       1,198       1,186  
Expected return on plan assets     (1,656)       (1,582 )      (1,467 ) 
Amortization of prior year service cost     (19)       7       15  
Amortization of transition asset     (17)       (17 )      (17 ) 
Recognized net actuarial loss     1,094       800       706  
Net periodic pension cost   $ 2,229     $ 1,741     $ 1,520  
Schedule of Other Changes in Plan Assets and Benefit Obligations Recognized in Other Comprehensive Income (Loss)
         
    YEAR ENDED DECEMBER 31,
     2012   2011   2010
     (IN THOUSANDS)
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  
Schedule of Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost
           
    YEAR ENDED DECEMBER 31,
     2012   2011   2010
     (PERCENTAGES)
WEIGHTED AVERAGE ASSUMPTIONS:
                          
Discount rate     4.75%       5.25 %      5.75 % 
Expected return on plan assets     8.00       8.00       8.00  
Rate of compensation increase     2.50       2.50       2.50  
Schedule of Asset Allocations
         
    2012   2011
    (PERCENTAGES)
ASSET CATEGORY:
                 
Cash and cash equivalents     -%       - % 
Domestic equities     22       19  
Mutual funds/ETFs     63       71  
International equities     2       -  
Corporate bonds     13       10  
Total     100%       100 % 
Schedule of Fair Value of Plan Assets
       
    YEAR ENDED DECEMBER 31,
     2012   2011
     (IN THOUSANDS)
Level 1:
                 
Cash and cash equivalents   $ -     $ -  
Domestic equities     4,731       3,402  
International equities     336       -  
Mutual funds/ETFs     13,566       12,918  
Level 2:
                 
Corporate bonds     2,735       1,860  
Total fair value of plan assets   $ 21,368     $ 18,180  
Schedule of Estimated Future Benefit Payments
     
YEAR:   ESTIMATED FUTURE BENEFIT PAYMENTS
    (IN THOUSANDS)
2013   $ 2,243  
2014     2,338  
2015     2,142  
2016     2,555  
2017     2,709  
Years 2018 - 2022     13,347