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Accumulated Other Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2013
Equity [Abstract]  
Accumulated other comprehensive income
 

September 30,

2013

 

December 31,

2012

 
  (Thousands)  
Equity adjustment from foreign currency translation $ 382   $ 515  
Unrealized gain (loss) on foreign currency exposure of net investment in foreign operations   127     (21 )
             
Accumulated other comprehensive income $ 509   $ 494