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Fair Value Measurements (Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Liabilities      
Contingent consideration $ 7,500   $ 7,302
Derivative liabilities 2,450 $ 1,108 2,500
Level 1      
Liabilities      
Contingent consideration 0   0
Derivative liabilities 0 0  
Level 2      
Liabilities      
Contingent consideration 0   0
Derivative liabilities 2,450 1,108  
Level 3      
Liabilities      
Contingent consideration 7,500   $ 7,302
Derivative liabilities $ 0 $ 0