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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2022
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, 2020 |  | $ | 244,078 |
Foreign exchange rate changes |  | (2,365) |
Balance as of December 31, 2021 |  | 241,713 |
Acquisition of SAC Sirius Advanced Cybernetics GmbH (refer to Note 21) |  | 2,359 |
Foreign exchange rate changes |  | (1,442) |
Balance as of December 31, 2022 |  | $ | 242,630 |

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