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Commitments and Contingencies (Details) - USD ($) $ in Thousands |  |  |  | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Dec. 02, 2020 | Feb. 05, 2018 | Sep. 04, 2017 | Sep. 30, 2021 | Dec. 31, 2020 | Aug. 09, 2015
Commitments and Contingencies (Details) [Line Items] |  |  |  |  |  |
Settlement amount total | $ 1,980 |  |  |  |  |
Settlement amount | 500 |  |  |  |  |
Settlement amount | $ 1,480 |  |  |  | $ 1,480 |
Capital commitments |  |  |  |  | $ 30,706 |
Ordinary shares (in Shares) |  | 2,600 |  |  |  |
Other equity remedies |  | $ 1,000 |  |  |  |
Capital Commitments [Member] |  |  |  |  |  |
Commitments and Contingencies (Details) [Line Items] |  |  |  |  |  |
Capital commitments |  |  |  | $ 46,144 |  |
Mr. Jeff Q. Xu [Member] |  |  |  |  |  |
Commitments and Contingencies (Details) [Line Items] |  |  |  |  |  |
Shares owned (in Shares) |  |  |  |  |  | 2,468,158
Mr. Smith [Member] |  |  |  |  |  |
Commitments and Contingencies (Details) [Line Items] |  |  |  |  |  |
Commitment, description |  |  | (1) a declaration that he owns the 416,702 ordinary shares (the shares were retroactively recast to reflect the exchange ratio established in the Merger as described in Note 27) and (2) various damages and other equitable remedies over $1,000. |  |  |

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