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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Compensation Expense Recognized for Share-Based Awards | Compensation expense recognized for share-based awards was as follows:
|  | Year ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |
Share-based compensation expenses |  |  |  |  |  |  |  |  |  |  |  |
—Share options(a) |  |  | 43,168 |  |  |  | 72,203 |  |  |  | 47,405 |
Assumptions used to Determine Fair Value of Share Options Granted | Assumptions used to determine the fair value of share options granted during 2020 and 2021 are summarized in the following table:
|  | Year ended December 31, |
|  | 2020 |  |  | 2021 |
Risk-free interest rate |  | 2.20%~3.30% |  |  | 2.88%~3.19% |
Expected volatility |  | 41.30%~43.62% |  |  | 42.93%~43.41% |
Expected life of option (years) |  | 10 |  |  | 10 |
Expected dividend yield |  |  | - |  |  |  | - |
Fair value per ordinary share |  | US$1.04~US$1.47 |  |  | US$0.84~US$2.25 |
Schedule of Net Income Per Share, Basic and Diluted |
| Year ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Numerator for basic calculation - Net income attributable to ordinary shareholders of the Company |  |  | 292,170 |  |  |  | 173,324 |  |  |  | 88,605 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic calculation - weighted average ordinary shares outstanding |  |  | 208,156,507 |  |  |  | 208,812,049 |  |  |  | 209,551,821 |
Dilutive effect of share options |  |  | 7,699,070 |  |  |  | 6,811,724 |  |  |  | 11,184,176 |
Denominator for diluted calculation |  |  | 215,855,577 |  |  |  | 215,623,773 |  |  |  | 220,735,997 |
Basic net income per ordinary share |  |  | 1.40 |  |  |  | 0.83 |  |  |  | 0.42 |
Diluted net income per ordinary share |  |  | 1.35 |  |  |  | 0.80 |  |  |  | 0.40 |
| Year ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Numerator for basic calculation - Net income attributable to ordinary shareholders of the Company |  |  | 292,170 |  |  |  | 173,324 |  |  |  | 88,605 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic calculation - weighted average ordinary shares outstanding |  |  | 208,156,507 |  |  |  | 208,812,049 |  |  |  | 209,551,821 |
Dilutive effect of share options |  |  | 7,699,070 |  |  |  | 6,811,724 |  |  |  | 11,184,176 |
Denominator for diluted calculation |  |  | 215,855,577 |  |  |  | 215,623,773 |  |  |  | 220,735,997 |
Basic net income per ordinary share |  |  | 1.40 |  |  |  | 0.83 |  |  |  | 0.42 |
Diluted net income per ordinary share |  |  | 1.35 |  |  |  | 0.80 |  |  |  | 0.40 |
Summary of Stock Option Activity | A summary of the stock option activity under the 2015 Share Incentive Plan and 2018 Share Incentive Plan for the years ended December 31, 2019, 2020 and 2021 is included in the table below.
|  | Number of options |  |  | Weighted average exercise price (US$) |  |  | Weighted average remaining contractual life (years) |  |  | Aggregate intrinsic value (US$) |
Outstanding at January 1, 2019 |  |  | 13,260,000 |  |  |  | 0.43 |  |  |  | 8.40 |  |  |  | 18,705 |
Forfeited |  |  | (400,000 | ) |  |  | 0.96 |  |  |  |  |  |  |  |  |
Exercised |  |  | (1,494,732 | ) |  |  | 0.17 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2019 |  |  | 11,365,268 |  |  |  | 0.44 |  |  |  | 7.59 |  |  |  | 17,737 |
Granted |  |  | 19,175,500 |  |  |  | 0.86 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (1,778,500 | ) |  |  | 0.60 |  |  |  |  |  |  |  |  |
Exercised |  |  | (2,655,669 | ) |  |  | 0.48 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 26,106,599 |  |  |  | 0.74 |  |  |  | 8.08 |  |  |  | 30,299 |
Granted |  |  | 3,840,000 |  |  |  | 1.10 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (4,709,197 | ) |  |  | 0.81 |  |  |  |  |  |  |  |  |
Exercised |  |  | (3,011,064 | ) |  |  | 0.43 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 22,226,338 |  |  |  | 0.80 |  |  |  | 7.41 |  |  |  | 26,813 |
Exercisable as of December 31, 2021 |  |  | 7,801,637 |  |  |  | 0.47 |  |  |  | 6.02 |  |  |  | 9,928 |
Expected to vest as of December 31, 2021 |  |  | 13,046,881 |  |  |  | 0.97 |  |  |  | 8.16 |  |  |  | 15,362 |

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