Share-Based Compensation - Options (Details) - Share options $ / shares in Units, $ in Thousands	9 Months Ended
Sep. 30, 2024 USD ($) $ / shares shares
Weighted Average Exercise Price
Total unrecognized compensation cost \| $	$ 42,841
Expenses expected to be recognized over a weighted average remaining period	2 years 6 months 29 days
Class A ordinary shares
Number of Shares
Outstanding, beginning of the period \| shares	11,599,089
Granted \| shares	1,688,275
Exercised \| shares	(1,214,398)
Forfeited \| shares	(444,291)
Outstanding, end of the period \| shares	11,628,675
Options exercisable \| shares	7,613,209
Options unvested \| shares	4,015,466
Weighted Average Exercise Price
Outstanding, beginning of the period \| $ / shares	$ 13.67
Granted \| $ / shares	22.08
Exercised \| $ / shares	11.15
Forfeited \| $ / shares	16.07
Outstanding, end of the period \| $ / shares	15.06
Options exercisable \| $ / shares	14.01
Options unvested \| $ / shares	$ 17.06

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of non-vested options outstanding.

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Weighted average grant-date fair value of non-vested options outstanding.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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