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Fair Value (Tables)
9 Months Ended
Sep. 30, 2014
Fair Value [Abstract]  
Schedule Of Long-Term Investments Measured At Fair Value Using Significant Unobservable Inputs (Level 3 Inputs)
(in thousands) 2014  2013
Balance as of January 1$ 9,921 $ 10,324
Net unrealized gains included in other comprehensive loss  1,342   318
Sales of investments at par value  (10,056)   (25)
Balance as of September 30$ 1,207 $ 10,617
      
Unrealized losses still held as of September 30$ 91 $ 1,533