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Goodwill | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | 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 |
For its 2021 annual analysis of goodwill, management elected to perform a qualitative assessment. Based on this assessment, management believes it is more likely than not that the fair value of the reporting unit exceeds its carrying value. The Company did not record impairment charges related to goodwill in 2021, 2020, or 2019.

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- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
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