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Share-Based Compensation - Summary of Option Activity under ESOP (Detail) - CNY (¥) | 7 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Payment Arrangement [Abstract] |  |  |  |
Number of options, Beginning balance | 0 | 18,510,727 | 10,826,997 | 5,569,105
Number of options, Granted | 5,569,105 | 8,454,422 | 8,353,658 | 5,569,105
Number of options, Exercised |  | (737,228) | (600,014) | 0
Number of options, Forfeited |  | (281,151) | (69,914) | (311,213)
Number of options, Ending balance | 5,569,105 | 25,946,770 | 18,510,727 | 10,826,997
Weighted average exercise price, Beginning balance | ¥ 0 | ¥ 12 | ¥ 12 | ¥ 12
Weighted average exercise price, Granted | 12 | 8 | 12 | 12
Weighted average exercise price, Exercised |  | 11 | 12 | 0
Weighted average exercise price, Forfeited |  | 9 | 12 | 0
Weighted average exercise price, Ending balance | 12 | 8 | 12 | 12
Weighted average grant date fair value, Beginning balance | 0 | 26 | 32 | 38
Weighted average grant date fair value, Granted | 38 | 22 | 19 | 27
Weighted average grant date fair value, Exercised |  | 30 | 38 | 0
Weighted average grant date fair value, Forfeited |  | 22 | 24 | 34
Weighted average grant date fair value, Ending balance | ¥ 38 | ¥ 25 | ¥ 26 | ¥ 32
Aggregate Intrinsic Value, Beginning balance | ¥ 0 | ¥ 205,922,073 | ¥ 209,536,040 | ¥ 83,277,751
Aggregate Intrinsic Value, Granted |  | 0 |  |
Aggregate Intrinsic Value, Ending balance | ¥ 83,277,751 | ¥ 45,454,271 | ¥ 205,922,073 | ¥ 209,536,040
Vested or expected to vest, Number of options |  | 24,030,153 |  |
Vested or expected to vest, Weighted average exercise price |  | ¥ 8 |  |
Vested or expected to vest, Weighted average Grant date fair value |  | ¥ 26 |  |
Exercisable, Number of options |  | 4,816,748 |  |
Exercisable, Weighted average exercise price |  | ¥ 8 |  |
Exercisable, Weighted average Grant date fair value |  | ¥ 33 |  |

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- Definition Share-based compensation arrangement by share-based payment award, options, exercised, weighted average grant date fair value. + References No definition available. + Details
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- Definition Share based compensation arrangement by share based payment award options vested and expected to vest outstanding weighted average grant date fair value. + References No definition available. + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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