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Consolidated Changes in Equity (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Jun. 23, 2017
Dec. 31, 2018
Dec. 31, 2017
Nov. 16, 2018
Sep. 16, 2016
Income tax relating to cash flow hedges of other comprehensive income   $ (463) $ 750    
Presented net of deferred income tax expense   730 213    
Capstone          
Proportion of Ownership Interest and Voting Power Held as of: 99.70%        
Minimum required ownership of voting rights held in subsidiary 55.00%        
Powerband Industries Private Limited          
Percentage of voting equity interests acquired       26.00% 74.00%
Deficit          
Income tax benefit [1]   $ 126 $ 1,620    
[1] Presented net of income tax benefit of $1,620 for the year ended December 31, 2017.