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Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2012
Fair Value of Financial Instruments [Abstract]  
Fair Value
The fair value and carrying value of our long-term debt, after deducting current maturities, our interest rate swaps and our short-term investments are as follows at June 30, 2012 and December 31, 2011.

 
    
June 30, 2012
  
December 31, 2011
 
(Dollars in thousands)
 
Input Level
  
Carrying Amount
  
Fair Value
  
Carrying Amount
  
Fair Value
 
Short-term investments
  1  $2,998  $2,998  $-  $- 
Long-term debt
  2  $139,874  $144,223  $118,828  $122,886 
Interest rate swaps
  2  $2,633  $2,633  $2,469  $2,469