Revenue recognition and accounts receivable (Tables)

12 Months Ended

Dec. 31, 2022

Dec. 31, 2021

Revenue Recognition And Accounts Receivable [Abstract]

Schedule of Net Sales

The table below presents net sales, which includes product sales and marketing service fees, for each of the years ended December 31, 2022, 2021, and 2020.

	For the year ended December 31,
(U.S. Dollars, in thousands)	2022		2021		2020
Product sales	$	405,437	$	409,554	$	353,087
Marketing service fees		55,276		54,925		53,475
Net sales	$	460,713	$	464,479	$	406,562

Allowances for Expected Credit Losses

The following table provides a detail of changes in the Company’s allowance for expected credit losses for the years ended December 31, 2022, and 2021:

	For the year ended December 31,
(U.S. Dollars, in thousands)	2022			2021
Allowance for expected credit losses beginning balance	$	4,944		$	4,848
Current period provision for expected credit losses		2,095			444
Write-offs charged against the allowance and other		(450	)		(126	)
Effect of changes in foreign exchange rates		(170	)		(222	)
Allowance for expected credit losses ending balance	$	6,419		$	4,944

Schedule of Changes in Contract Liability

The following table provides a detail of changes in the Company’s contract liability associated with the Accelerated and Advanced Payment Program for the years ended December 31, 2022, and 2021:

	For the Year Ended December 31,
(U.S. Dollars, in thousands)	2022			2021
Contract liability beginning balance	$	4,791		$	13,851
Recoupment recognized in net sales		(4,791	)		(9,060	)
Contract liability ending balance	$	—		$	4,791