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Share-Based Compensation - 2016 Share Option and Incentive Plan (Details) - shares |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 01, 2018 | Jun. 30, 2024 | Jun. 30, 2020 | Dec. 31, 2018 | Mar. 31, 2022 | Dec. 31, 2024 | Jan. 31, 2016
2016 Plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Number of shares reserved and available for issuance (in shares) |  |  |  |  |  |  | 65,029,595
Outstanding number of shares (as a percent) |  |  |  |  | 5.00% | 5.00% |
Increase in ordinary shares authorized (in shares) | 29,603,616 |  | 57,200,000 | 38,553,159 | 66,300,000 |  |
2016 Plan | Employee Stock Option |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Granted (in shares) |  |  |  |  |  | 83,064,175 |
2011 Plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Shares cancelled or forfeited (in shares) |  |  |  |  |  | 5,166,900 |
Third Amended and Restated 2016 Plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Increase in ordinary shares authorized (in shares) |  | 92,820,000 |  |  |  |  |

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- Definition The number of shares under options granted in a plan that were canceled after the initial public offering date, as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References No definition available. + Details
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- Definition Number of additional shares authorized for issuance under share-based payment arrangement. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock. + References No definition available. + Details
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