Accumulated other comprehensive loss (Tables)

3 Months Ended

Mar. 31, 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		(1,711	)		(1,711	)
Income taxes		—			—
Balance at March 31, 2020	$	(4,750	)	$	(4,750	)