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Bank Borrowings (Details) - Schedule of bank borrowings - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Schedule of bank borrowings [Abstract] |  |  |  |  |  |
Beginning balance | $ 26,458 | $ 9,412 | $ 12,184 | $ 11,922 |  |
Proceeds from bank borrowings |  | 5,757 | 26,603 | 15,230 | $ 17,308 | $ 17,735
Repayments of principal | (3,400) | (5,696) | (15,665) | (17,590) | (17,815) | (71,674)
Exchange difference | (207) | 321 | (271) | 232 | $ 769 | $ (406)
Ending balance | $ 22,851 | $ 9,794 | $ 22,851 | $ 9,794 |  |

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- Definition Bank borrowings opening balance. + References No definition available. + Details
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- Definition Bank borrowings ending balance. + References No definition available. + Details
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- Definition Exchange difference. + References No definition available. + Details
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- Definition Proceeds from bank borrowings. + References No definition available. + Details
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- Definition Amount of Repayments of principal. + References No definition available. + Details
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- References No definition available. + Details
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