Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Accumulated Other Comprehensive Income (Components Of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance $ (303) $ 477  
Other comprehensive income (loss) before reclassifications 697 128  
Amounts reclassified from other comprehensive income (loss) 106 (908)  
Net current period other comprehensive income (loss) 803 (780) $ (22)
Balance 500 (303) 477
Foreign Currency Translation Adjustments [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance (286) 73  
Other comprehensive income (loss) before reclassifications 1,766 (359)  
Net current period other comprehensive income (loss) 1,766 (359)  
Balance 1,480 (286) 73
Unrealized Gains (Losses) on Cash Flow Hedges [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Balance (17) 404  
Other comprehensive income (loss) before reclassifications (1,069) 487  
Amounts reclassified from other comprehensive income (loss) 106 (908)  
Net current period other comprehensive income (loss) (963) (421)  
Balance $ (980) $ (17) $ 404