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Fair Value Measurements
3 Months Ended
Mar. 31, 2012
Fair Value Measurements [Abstract]  
Fair Value Measurements
14.  
Fair Value Measurements

The following table provides the Company's derivative assets and liabilities and marketable securities - restricted carried at fair value as measured on a recurring basis as of March 31, 2012 (dollars in thousands):

   
Total Carrying
Value at
March 31,
2012
  
Quoted prices
in active
markets
(Level 1)
  
Significant
other
observable
inputs
(Level 2)
  
Significant unobservable
inputs
(Level 3)
 
Marketable securities - restricted
 $33,519  $33,519  $-  $- 
Derivative liabilities
  (1,793)  -   (1,793)  - 
   $31,726  $33,519  $(1,793) $-