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Trade Payables and Other Current Liabilities - Summary of Other Liabilities by Nature (Detail) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
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Schedule Of Other Liabilities, By Nature [Line Items] |  |
Other current liabilities | $ 12,659 | $ 22,926
Other non-current liabilities | 4,292 | 475
Total | 16,951 | 23,402
Employee related liabilities [Member] |  |
Schedule Of Other Liabilities, By Nature [Line Items] |  |
Other current liabilities | 6,748 |
Other non-current liabilities | 1,674 |
Total | 8,422 | 17,136
Deferred income [Member] |  |
Schedule Of Other Liabilities, By Nature [Line Items] |  |
Other current liabilities | 4,291 |
Other non-current liabilities | 2,618 |
Total | 6,909 | 4,687
Tax Liabilities [Member] |  |
Schedule Of Other Liabilities, By Nature [Line Items] |  |
Other current liabilities | 149 |
Total | 149 | 580
Other Debts [Member] |  |
Schedule Of Other Liabilities, By Nature [Line Items] |  |
Other current liabilities | 1,471 |
Total | $ 1,471 | $ 999

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