Share-Based Compensation - Summary of RSU activities (Details) - 2018 Plan - Restricted Stock Units (RSUs) [Member] $ / shares in Units, ¥ in Thousands, $ in Thousands |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
|
Dec. 31, 2025
CNY (¥)
shares
|
Dec. 31, 2025
USD ($)
$ / shares
shares
|
Dec. 31, 2024
$ / shares
|
Dec. 31, 2024
CNY (¥)
shares
|
Dec. 31, 2023
$ / shares
|
Dec. 31, 2023
CNY (¥)
|
Dec. 31, 2025
USD ($)
|
|
| Number of RSUs | |||||||
| Outstanding at beginning of the year (in shares) | shares | 67,741,348 | 67,741,348 | |||||
| Granted (in shares) | shares | 13,703,508 | 13,703,508 | |||||
| Vested (in shares) | shares | (22,865,316) | (22,865,316) | |||||
| Forfeited (in shares) | shares | (2,980,244) | (2,980,244) | |||||
| Outstanding at end of the year (in shares) | shares | 55,599,296 | 55,599,296 | 67,741,348 | ||||
| Weighted average grand date fair value | |||||||
| Outstanding at beginning of the year | $ / shares | $ 21.173 | ||||||
| Granted | $ / shares | 29.9743 | $ 30.6378 | $ 23.386 | ||||
| Vested | $ / shares | 19.188 | ||||||
| Forfeited | $ / shares | 25.9896 | ||||||
| Outstanding at end of the year | $ / shares | $ 23.9004 | $ 21.173 | |||||
| Restricted share units vested | ¥ 3,133,340 | $ 448,062 | ¥ 3,797,104 | ¥ 2,765,817 | |||
| Unrecognized share-based compensation expenses | ¥ 3,597,971 | $ 514,503 | |||||
| Weighted-average period for recognition of share-based compensation expense relating to unvested options | 1 year 10 months 2 days | 1 year 10 months 2 days | |||||