Acquisition-Related Amortization and Remeasurement

12 Months Ended

Dec. 31, 2020

Acquisition Related Amortization And Remeasurement [Abstract]

Acquisition-Related Amortization and Remeasurement

17. Acquisition-related amortization and remeasurement

Acquisition-related amortization and remeasurement consists of amortization related to intangible assets acquired through business combinations or asset acquisitions and the remeasurement of any related contingent consideration arrangement. Components of acquisition-related amortization and remeasurement for the twelve months ended December 31, 2020, 2019, and 2018, respectively, are as follows:

	Year Ended December 31,
(U.S. Dollars, in thousands)	2020			2019		2018
Changes in fair value of contingent consideration	$	(7,300	)	$	29,140	$	3,069
Amortization of acquired intangibles		6,801			5,072		1,255
Total	$	(499	)	$	34,212	$	4,324