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Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Stockholders' Equity Attributable to Parent $ 275,676 $ 279,003
Accumulated Translation Adjustment [Member]
   
Stockholders' Equity Attributable to Parent 1,704 1,645
Net current period other comprehensive gain (loss) 59  
Reclassification of accumulated other comprehensive income (loss) 0  
Accumulated Net Unrealized Investment Gain (Loss) [Member]
   
Stockholders' Equity Attributable to Parent (38) 150
Net current period other comprehensive gain (loss) (188)  
Reclassification of accumulated other comprehensive income (loss) 0  
Accumulated Other Comprehensive Income (Loss) [Member]
   
Stockholders' Equity Attributable to Parent 1,666 1,795
Net current period other comprehensive gain (loss) (129)  
Reclassification of accumulated other comprehensive income (loss) $ 0