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Acquisition - Additional information (Details) - CM Visual Technology Corp - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Oct. 30, 2020 | Dec. 31, 2020
Statement [line items] |  |
Percentage of Ownership | 66.71% |
Revenue of acquire since acquisition date |  | $ 1,231
Profit (loss) from acquire since acquisition date |  | (214)
Revenue of combined entity as if combination occurred at beginning of period |  | 891,038
Profit (loss) of combined entity as if combination occurred at beginning of period |  | $ 46,361
Consideration transferred, acquisition-date fair value | $ 6,680 |

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