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Other Income (Expense) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Other income $ 161 $ 3 $ 179 $ 94
Foreign currency loss (575) (3,111) (1,420) (2,440)
Loss on sale of assets (19) (4) (1) (4)
Other income (expense), net $ (433) $ (3,112) $ (1,242) $ (2,350)