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Share-Based Compensation - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Aug. 31, 2020	Jun. 16, 2020	Jun. 25, 2019	Jun. 22, 2018
Weighted average grant date fair value of the share options	$ 3.10	$ 9.45	$ 4.78
Total intrinsic value of share options exercised	$ 33,356,308	$ 77,265,474	$ 0
Total unrecognized compensation expense	$ 25,260,125
Weighted average period for un recognized compensation costs to be recognized	1 year 3 days
Share-based Payment Arrangement, Expense	$ 26,690,970	$ 43,939,447	$ 60,805,483
IPO [Member]
Share-based Payment Arrangement, Expense	$ 46,458,472
Twenty Twenty equity incentive plan [Member]
Common stock reserved for future issuance				3,691,528
Employee award vesting rights percentage	25.00%
Employee award vesting requisite service period	4 years
Percentage of Ordinary Shares issued and outstanding	2.00%
Twenty Eighteen Share Incentive Plan [Member]
Common stock reserved for future issuance					15,000,000	15,000,000	11,733,506
Employee award vesting rights percentage	25.00%
Employee award vesting requisite service period	4 years

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Aggregate number of common shares reserved for future issuance.

+ References

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

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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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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Percentage of vesting of award under share-based payment arrangement.

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Reserved percentage of ordinary shares issued and outstanding.

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