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Accumulated Other Comprehensive Loss Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Stockholders' Equity Attributable to Parent $ 276,597 $ 279,003  
Accumulated Translation Adjustment [Member]
     
Stockholders' Equity Attributable to Parent 1,418 1,645 985
Net current period other comprehensive gain (loss) (227) 660  
Reclassification of accumulated other comprehensive income (loss) 0 0  
Accumulated Net Unrealized Investment Gain (Loss) [Member]
     
Stockholders' Equity Attributable to Parent 123 150 100
Net current period other comprehensive gain (loss) (27) 50  
Reclassification of accumulated other comprehensive income (loss) 0 0  
Accumulated Other Comprehensive Income (Loss) [Member]
     
Stockholders' Equity Attributable to Parent 1,541 1,795 1,085
Net current period other comprehensive gain (loss) (254) 710  
Reclassification of accumulated other comprehensive income (loss) $ 0 $ 0