Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income) (Details)

v3.10.0.1
Accumulated Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2017     $ 499  
Other comprehensive income (loss) before reclassifications     218  
Amounts reclassified from other comprehensive income (loss)     (43)  
Net current period other comprehensive income (loss) $ (247) $ 265 175 $ 508
Balance as of September 30, 2018 674   674  
Foreign Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2017     905  
Other comprehensive income (loss) before reclassifications     (718)  
Amounts reclassified from other comprehensive income (loss)     172  
Net current period other comprehensive income (loss)     (546)  
Balance as of September 30, 2018 359   359  
Unrealized Gains (Losses) on Cash Flow Hedges [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2017     (406)  
Other comprehensive income (loss) before reclassifications     936  
Amounts reclassified from other comprehensive income (loss)     (215)  
Net current period other comprehensive income (loss)     721  
Balance as of September 30, 2018 $ 315   $ 315