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Accumulated Other Comprehensive Loss (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Accumulated Other Comprehensive Loss      
Cumulative foreign currency translation adjustments $ (534) $ (1,853) $ (740)
Net unrealized gain (loss) on securities available for sale, net of tax (1) (43) (88)  
Total accumulated other comprehensive loss $ (577) $ (1,941)