Quarterly report pursuant to Section 13 or 15(d)

Fair Value Of Measurements (Details)

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Fair Value Of Measurements (Details) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities   $ 9,235 $ 9,902
Forward exchange contract, asset, fair value   3,150 3,512
Forward exchange contract, liability, fair value     90
Assets fair value   12,385 13,414
Liabilities Fair Value     90
Impairment of Long-Lived Assets to be Disposed of $ 2,028    
Level 1 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities   $ 9,235 $ 9,902
Forward exchange contract, asset, fair value  
Forward exchange contract, liability, fair value  
Assets fair value   $ 9,235 $ 9,902
Liabilities Fair Value  
Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Forward exchange contract, asset, fair value   $ 3,150 $ 3,512
Forward exchange contract, liability, fair value     90
Assets fair value   $ 3,150 3,512
Liabilities Fair Value     $ 90
Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Marketable securities  
Forward exchange contract, asset, fair value  
Forward exchange contract, liability, fair value  
Assets fair value  
Liabilities Fair Value