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Income Taxes (Tables)
3 Months Ended
Mar. 31, 2012
Income Taxes [Abstract]  
Components of required reserve for uncertain tax positions
Components of the required reserve at March 31, 2012 and December 31, 2011 are as follows (in thousands):
 
   
March 31, 2012
  
December 31, 2011
 
Federal, state and foreign unrecognized tax benefits ("UTBs")
 $1,844  $1,791 
Interest
  105   80 
Federal/State Benefit of Interest
  (41)  (31)
Total reserve for UTBs
 $1,908  $1,840