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Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Fair Value, Inputs, Level 1 [Member]    
Assets    
Derivatives $ 0  
Liabilities    
Derivatives   $ 0
Contingent Considerations 0 0
Fair Value, Inputs, Level 2 [Member]    
Assets    
Derivatives 146  
Liabilities    
Derivatives   337
Contingent Considerations 0 0
Fair Value, Inputs, Level 3 [Member]    
Assets    
Derivatives 0  
Liabilities    
Derivatives   0
Contingent Considerations $ 508 $ 553