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RETIREMENT PLANS (Tables)
12 Months Ended
Dec. 31, 2012
RETIREMENT PLANS [Abstract]  
Significant actuarial assumptions used to determine the benefit obligations at year end and the benefit cost
Significant Actuarial Assumptions.  The following table sets forth the significant actuarial assumptions used to determine the benefit obligation at December 31, 2012, 2011 and 2010 and the benefit cost for each of the Plan years then ended.
 
Weighted average assumptions used to determine the
         
  benefit obligation at year end
 
2012
  
2011
  
2010
 
Discount rate
  4.06%  5.23%  5.69%
Rate of increase in compensation levels
  3.00%  3.00%  3.50%
              
Weighted average assumptions used to determine net pension cost
        
Discount rate
  5.23%  5.69%  5.89%
Rate of increase in compensation levels
  3.00%  3.50%  3.50%
Expected long-term rate of return on plan assets
  7.00%  7.00%  7.50%
Components of net periodic pension cost
Net Pension Cost. The following table sets forth the components of net periodic pension cost.

   
2012
  
2011
  
2010
 
   
(in thousands)
 
Service cost, net of plan participant contributions
 $900  $1,227  $1,200 
Interest cost
  1,368   1,336   1,190 
Expected return on plan assets
  (2,259)  (2,087)  (1,792)
Amortization of prior service cost
  23   23   23 
Amortization of net actuarial loss
  664   266   322 
Net pension cost
 $696  $765  $943 
Funded status of the plan and accumulated benefit obligation
Funded Status of the Plan.  The following table sets forth the change in the projected benefit obligation and Plan assets for each year and, as of the end of each year, the funded status of the Plan and accumulated benefit obligation.
 
   
2012
  
2011
  
2010
 
Change in projected benefit obligation:
 
(in thousands)
 
Projected benefit obligation at beginning of year
 $26,891  $23,772  $20,605 
Service cost before plan participant contributions
  1,142   1,456   1,444 
Expenses
  (235)  (216)  (174)
Interest cost
  1,368   1,336   1,190 
Benefits paid
  (916)  (832)  (746)
Assumption changes
  4,270   1,460   563 
Experience loss (gain) and other
  (1,822)  (85)  890 
Projected benefit obligation at end of year
  30,698   26,891   23,772 
              
Change in fair value of plan assets:
            
Fair value of plan assets at beginning of year
  33,023   29,640   24,307 
Actual return on plan assets
  3,460   1   2,267 
Employer contributions
  6,024   4,201   3,742 
Plan participant contributions
  242   229   244 
Benefits paid
  (916)  (832)  (746)
Expenses
  (235)  (216)  (174)
Fair value of plan assets at end of year
  41,598   33,023   29,640 
              
Funded status at end of year
 $10,900  $6,132  $5,868 
              
Accumulated Benefit Obligation
 $27,783  $24,314  $21,620 
Net actuarial loss and prior service cost included in accumulated other comprehensive income
The net actuarial loss and prior service cost included in accumulated other comprehensive income as of December 31 are as follows:
 
   
2012
  
2011
 
   
(in thousands)
 
Net actuarial loss
 $9,878  $9,294 
Prior service cost
  40   63 
   $9,918  $9,357 
Plan assets allocations, target allocations, and expected long-term rate of return by asset category
The Plan's asset allocations at December 31, 2012 and 2011, target allocations and the expected long-term rate of return by asset category are set forth in the table that follows.
 
            
Weighted
 
      
Percentage of Plan Assets
  
Average Expected
 
   
Target
  
at December 31,
  
Long-term
 
   
Allocation
  
2012
  
2011
  
Rates of Return
 
Cash equivalents
  0% - 20%  12.8%  10.6% 
<1.00%
 
Equity securities
  40% - 60%  45.5%  47.9% 
8.00 to 10.00%
 
Fixed income securities
  40% - 60%  41.7%  41.5% 
5.00 to 6.00%
 
Other financial instruments
  0% - 5%  -   -  - 
        100.0%  100.0% 
6.50 to 7.50%
 
Fair value of Plan assets by assets category
Fair Value of Plan Assets.  The fair value of the Plan assets at December 31, 2012 and 2011, by asset category, is summarized below.
 
      
Fair Value Measurements at December 31, 2012 Using:
 
      
Quoted Prices
  
Significant
    
      
in Active
  
Other
  
Significant
 
      
Markets for
  
Observable
  
Unobservable
 
      
Identical Assets
  
Inputs
  
Inputs
 
   
Total
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
Cash equivalents:
 
(in thousands)
 
Short term investment funds
 $5,099  $-  $5,099  $- 
Government issues
  226   -   226   - 
Foreign currencies
  43   43   -   - 
         Total cash equivalents
  5,368   43   5,325   - 
Equities:
                
Common stock
  18,319   18,319   -   - 
Depository receipts
  410   410   -   - 
Preferred stock
  81   81   -   - 
Real estate investment trust
  81   81   -   - 
         Total equities
  18,891   18,891   -   - 
Fixed income securities:
                
Auto loan receivable
  225   -   225   - 
Collateralized mortgage obligations
  4,508   -   4,508   - 
Corporate bonds
  3,927   -   3,927   - 
Federal Home Loan Mortgage Corp
  516   -   516   - 
Federal National Mortgage Assoc
  2,064   -   2,064   - 
Government National Mortgage Assoc. I
  22   -   22   - 
Government National Mortgage Assoc. II
  96   -   96   - 
Government issues
  5,926   -   5,926   - 
Municipals
  45   -   45   - 
Other asset backed
  10   -   10   - 
         Total fixed income securities
  17,339   -   17,339   - 
Total Plan Assets
 $41,598  $18,934  $22,664  $- 
 
      
Fair Value Measurements at December 31, 2011 Using:
 
      
Quoted Prices
  
Significant
    
      
in Active
  
Other
  
Significant
 
      
Markets for
  
Observable
  
Unobservable
 
      
Identical Assets
  
Inputs
  
Inputs
 
   
Total
  
(Level 1)
  
(Level 2)
  
(Level 3)
 
Cash equivalents:
 
(in thousands)
 
Short term investment funds
 $3,448  $-  $3,448  $- 
Foreign currencies
  57   57   -   - 
         Total cash equivalents
  3,505   57   3,448   - 
Equities:
                
Common stock
  15,442   15,442   -   - 
Depository receipts
  332   332   -   - 
Preferred stock
  49   49   -   - 
         Total equities
  15,823   15,823   -   - 
Fixed income securities:
                
Auto loan receivable
  4   -   4   - 
Collateralized mortgage obligations
  3,227   -   3,227   - 
Corporate bonds
  2,935   -   2,935   - 
Federal Home Loan Mortgage Corp
  569   -   569   - 
Federal National Mortgage Assoc.
  1,758   -   1,758   - 
Government National Mortgage Assoc. I
  24   -   24   - 
Government National Mortgage Assoc. II
  123   -   123   - 
Government issues
  4,979   -   4,979   - 
Municipals
  39   -   39   - 
Other asset backed
  37   -   37   - 
         Total fixed income securities
  13,695   -   13,695   - 
Total Plan Assets
 $33,023  $15,880  $17,143  $- 
Estimated Future Benefit Payments
Estimated Future Benefit Payments.  The following benefit payments, which reflect expected future service as appropriate, are expected to be made by the Plan.
 
Year
 
Amount
 
   
(in thousands)
 
2013
 $1,083 
2014
  1,242 
2015
  1,367 
2016
  1,518 
2017
  1,688 
2018-2022
  9,852