Goodwill (Tables)

12 Months Ended

Dec. 31, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Value of Goodwill

The changes in the carrying value of goodwill were as follows (in thousands):

	Amount
Balance as of December 31, 2019	$	243,445
Sualab Co., Ltd. purchase price adjustment (refer to Note 21)	(1,004)
Foreign exchange rate changes	1,637
Balance as of December 31, 2020	244,078
Foreign exchange rate changes	(2,365)
Balance as of December 31, 2021	$	241,713