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v3.20.4

Operations and Reorganization - Additional Information (Detail) ¥ in Thousands, $ in Thousands | 1 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 31, 2019 CNY (¥) | Oct. 31, 2019 USD ($) | Sep. 30, 2020 CNY (¥) | Sep. 30, 2020 USD ($) | Sep. 30, 2019 CNY (¥) | Sep. 30, 2020 USD ($) | Dec. 31, 2019 CNY (¥)
Operations and Organization [Line Items] |  |  |  |  |  |  |
Net loss |  |  | ¥ (1,305,418) | $ (192,267) | ¥ (398,570) |  |
Net cash used in operating activities |  |  | (450,800) | $ (66,394) | (342,870) |  |
Accumulated deficit |  |  | (3,200,000) |  |  | $ (475,008) | ¥ (1,920,081)
Net current liability |  |  | 1,100,000 |  |  |  |
IPO [Member] |  |  |  |  |  |  |
Operations and Organization [Line Items] |  |  |  |  |  |  |
Proceeds received from ordinary shareholders | ¥ 621,900 | $ 88,200 |  |  |  |  |
Private placement [Member] |  |  |  |  |  |  |
Operations and Organization [Line Items] |  |  |  |  |  |  |
Proceeds from concurrent private placement | ¥ 881,700 | $ 125,000 |  |  |  |  |
NetEase Group [Member] |  |  |  |  |  |  |
Operations and Organization [Line Items] |  |  |  |  |  |  |
The allocation related to share-based compensation expenses |  |  | ¥ 2,177 |  | ¥ 3,183 |  |

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