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 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2017     $ 499  
Other comprehensive income (loss) before reclassifications     360  
Amounts reclassified from other comprehensive income (loss)     62  
Net current period other comprehensive income (loss) $ (292) $ 306 422 $ 243
Balance as of June 30, 2018 921   921  
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     (533)  
Amounts reclassified from other comprehensive income (loss)     41  
Net current period other comprehensive income (loss)     (492)  
Balance as of June 30, 2018 413   413  
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     893  
Amounts reclassified from other comprehensive income (loss)     21  
Net current period other comprehensive income (loss)     914  
Balance as of June 30, 2018 $ 508   $ 508