Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Accumulated Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2016     $ (1,005)  
Other comprehensive income (loss) before reclassifications     475  
Amounts reclassified from other comprehensive income (loss)     (232)  
Net current period other comprehensive income (loss) $ 306 $ 384 243 $ 444
Balance as of June 30, 2017 (762)   (762)  
Foreign Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2016     (1,729)  
Other comprehensive income (loss) before reclassifications     1,702  
Amounts reclassified from other comprehensive income (loss)     (81)  
Net current period other comprehensive income (loss)     1,621  
Balance as of June 30, 2017 (108)   (108)  
Unrealized Gains (Losses) on Cash Flow Hedges [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Balance as of December 31, 2016     724  
Other comprehensive income (loss) before reclassifications     (1,227)  
Amounts reclassified from other comprehensive income (loss)     (151)  
Net current period other comprehensive income (loss)     (1,378)  
Balance as of June 30, 2017 $ (654)   $ (654)