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EMPLOYEE RETIREMENT PLANS (Details 6) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Fair Value of Pension Plan Assets, Subtotal $ 27,742 $ 26,557  
Fair Value of Pension Plan Assets, Total 27,819 26,655 26,193
Common Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 11,287 8,911  
Preferred Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 1,038 859  
Cash and Cash Equivalents [Member]
     
Fair Value of Pension Plan Assets, Subtotal 2,264 2,337  
Corporate Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 4,573 4,747  
State and Municipal Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 574 806  
Foreign Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 16 51  
Pooled fixed income funds (Member)
     
Fair Value of Pension Plan Assets, Subtotal 3,212 4,378  
Exchange Traded Funds [Member]
     
Fair Value of Pension Plan Assets, Subtotal 3,194 2,180  
US Government Debt Securities [Member]
     
Fair Value of Pension Plan Assets, Subtotal 1,584 2,288  
Other Assets [Member]
     
Fair Value of Pension Plan Assets, Total 77 [1] 98 [1]  
Fair Value, Inputs, Level 1 [Member]
     
Fair Value of Pension Plan Assets, Subtotal 19,877 18,083  
Fair Value, Inputs, Level 1 [Member] | Common Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 10,169 8,329  
Fair Value, Inputs, Level 1 [Member] | Preferred Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 1,038 859  
Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member]
     
Fair Value of Pension Plan Assets, Subtotal 2,264 2,337  
Fair Value, Inputs, Level 1 [Member] | Corporate Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 1 [Member] | State and Municipal Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 1 [Member] | Foreign Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 1 [Member] | Pooled fixed income funds (Member)
     
Fair Value of Pension Plan Assets, Subtotal 3,212 4,378  
Fair Value, Inputs, Level 1 [Member] | Exchange Traded Funds [Member]
     
Fair Value of Pension Plan Assets, Subtotal 3,194 2,180  
Fair Value, Inputs, Level 1 [Member] | US Government Debt Securities [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 2 [Member]
     
Fair Value of Pension Plan Assets, Subtotal 7,865 8,474  
Fair Value, Inputs, Level 2 [Member] | Common Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 1,118 582  
Fair Value, Inputs, Level 2 [Member] | Preferred Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 2 [Member] | Corporate Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 4,573 4,747  
Fair Value, Inputs, Level 2 [Member] | State and Municipal Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 574 806  
Fair Value, Inputs, Level 2 [Member] | Foreign Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 16 51  
Fair Value, Inputs, Level 2 [Member] | Pooled fixed income funds (Member)
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 2 [Member] | Exchange Traded Funds [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 2 [Member] | US Government Debt Securities [Member]
     
Fair Value of Pension Plan Assets, Subtotal 1,584 2,288  
Fair Value, Inputs, Level 3 [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Common Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Preferred Stock [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Cash and Cash Equivalents [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Corporate Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | State and Municipal Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Foreign Obligations [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Pooled fixed income funds (Member)
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | Exchange Traded Funds [Member]
     
Fair Value of Pension Plan Assets, Subtotal 0 0  
Fair Value, Inputs, Level 3 [Member] | US Government Debt Securities [Member]
     
Fair Value of Pension Plan Assets, Subtotal $ 0 $ 0  
[1] This category represents trust receivables that are not leveled.