Share based compensation arrangement by share based payment award options outstanding grant date fair value.

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- Definition

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

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- Definition

Aggregate cash paid by the entity during the period to settle equity instruments granted under equity-based payment arrangements.

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- Definition

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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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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

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No definition available.

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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.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Share Based Compensation - Additional Information (Details) - 2018 Share Incentive Plan	1 Months Ended	12 Months Ended
	Jan. 31, 2018 shares	Dec. 31, 2021 CNY (¥) shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2019 CNY (¥) $ / shares	Dec. 31, 2021 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum life of option	6 years
Number of stock options granted		6,000	6,000
Cash used to settle related share-based compensation \| ¥		¥ 0		¥ 1,186,271	¥ 0
Weighted-average grant date fair value \| $ / shares			$ 2.42			$ 3.57
Aggregate grant date fair value of the outstanding options		34,994,421		35,828,331	39,628,188	$ 39,628,188	$ 5,491,388
Fair value of share options vested		8,319,569	$ 1,305,522	8,610,259	11,316,415
Unrecognized compensation expense related to unvested options, net		¥ 592,966					$ 93,049
Weighted-average period		4 months 13 days	4 months 13 days
Common Class A
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of authorized shares purchased by participants	9,000,000
General And Administrative Expenses
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expense		¥ 2,464,763	$ 386,775	¥ 232,558	¥ 26,490,395