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Income taxes (Tables) | 9 Months Ended
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Sep. 30, 2021
Income Tax Disclosure [Abstract] |
Schedule of activities related to unrecognized tax benefits for uncertain tax positions | The following table summarizes activities related to the Company’s unrecognized tax benefits for uncertain tax positions for the nine months ended September 30, 2021:
| Nine months ended September 30,2021
Opening balance at January 1 | $ | 34,300 |
Increase related to prior year tax positions, including recorded in acquisition accounting | 686 |
Decrease related to settlements with tax authorities | (5,640) |
Decrease related to prior year tax position due to lapse of applicable statute of limitation | (175) |
Effect of exchange rate changes | (786) |
Closing balance at September 30 | $ | 28,385 |

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