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Accumulated other comprehensive loss (Tables)
6 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Components of Changes in Accumulated Other Comprehensive Loss The components of and changes in accumulated other comprehensive loss were as follows:

 

(U.S. Dollars, in thousands)

 

Currency

Translation

Adjustments

 

 

 

Accumulated Other

Comprehensive Loss

 

Balance at December 31, 2019

 

$

(3,039

)

 

 

$

(3,039

)

Other comprehensive loss

 

 

(227

)

 

 

 

(227

)

Income taxes

 

 

 

 

 

 

 

Balance at June 30, 2020

 

$

(3,266

)

 

 

$

(3,266

)