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Share-Based Compensation (Tables) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2021 | Dec. 31, 2020
Share-Based Compensation (Tables) [Line Items] |  |
Schedule of fair value of option granted was estimated on the date of grant using the binominal option- pricing model |
|  | For the years ended December 31,
|  | 2019 |  | 2020
|  | RMB |  | RMB
Risk-free interest rate |  | 1.80% |  | 0.66% – 0.71%
Volatility |  | 37.34% |  | 22.67% – 35.44%
Dividend yield |  | — |  | —
Life of options (in years) |  | 10 |  | 10
Fair value of underlying ordinary shares |  | 41.51 |  | 34.47
|  | For the years ended December 31,
|  | 2019 |  | 2020
|  | RMB |  | RMB
Risk-free interest rate |  | 1.80% |  | 0.66% – 0.71%
Volatility |  | 37.34% |  | 22.67% – 35.44%
Dividend yield |  | — |  | —
Life of options (in years) |  | 10 |  | 10
Fair value of underlying ordinary shares |  | 41.51 |  | 34.47
Schedule of options activities |
|  | Number of options |  | Weighted average exercise price USD |  | Weighted average grant date fair value RMB |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value
Options outstanding at December 31, 2019 |  | 13,870,252 |  |  | 0.0001 |  | 41.51 |  | 9.72 |  |
Granted (before Replacement Date) |  | 2,034,961 |  |  | 0.0001 |  | 34.47 |  |  |  |
Forfeited (before Replacement Date) |  | (1,271,704 | ) |  | 0.0001 |  | 40.86 |  |  |  |
Conversion due to recapitalization |  | (7,633,818 | ) |  | 0.0002 |  | 37.22 |  |  |  |
Forfeited (after Replacement Date) |  | (21,000 | ) |  | 0.0002 |  | 41.51 |  |  |  |
Options outstanding at December 31, 2020 |  | 6,978,691 |  |  | 0.0002 |  | 40.59 |  | 8.85 |  | 287,773
Granted |  | — |  |  | — |  | — |  | — |  | —
Exercised |  | (499,607 | ) |  | 0.0002 |  | 40.58 |  | — |  | —
Forfeited |  | (52,500 | ) |  | 0.0002 |  | 38.70 |  | — |  | —
Options outstanding at June 30, 2021 |  | 6,426,584 |  |  | 0.0002 |  | 40.60 |  | 8.3491 |  | 92,158
Options vested and expected to vest as of June 30, 2021 |  | 6,426,584 |  |  | 0.0002 |  | 40.60 |  | 8.3491 |  | 92,158
Options exercisable as of June 30, 2021 |  | 2,172,643 |  |  | 0.0002 |  | 39.29 |  | 8.5241 |  | 31,156
|  | Number of options |  | Weighted average exercise price USD |  | Weighted average grant date fair value RMB |  | Weighted average remaining contractual term (years) |  | Aggregate intrinsic value
Options outstanding at January 1, 2019 |  | — |  |  | — |  | — |  | — |  |
Granted |  | 13,870,252 |  |  | 0.0001 |  | 41.51 |  | 9.72 |  |
Options outstanding at December 31, 2019 |  | 13,870,252 |  |  | 0.0001 |  | 41.51 |  | 9.72 |  |
Granted (before Replacement Date) |  | 2,034,961 |  |  | 0.0001 |  | 34.47 |  |  |  |
Forfeited (before Replacement Date) |  | (1,271,704 | ) |  | 0.0001 |  | 40.86 |  |  |  |
Conversion due to recapitalization |  | (7,633,818 | ) |  | 0.0002 |  | 37.22 |  |  |  |
Forfeited (after Replacement Date) |  | (21,000 | ) |  | 0.0002 |  | 41.51 |  |  |  |
Options outstanding at December 31, 2020 |  | 6,978,691 |  |  | 0.0002 |  | 40.59 |  | 8.85 |  | 287,773
Options vested and expected to vest as of December 31, 2020 |  | 6,978,691 |  |  | 0.0002 |  | 40.59 |  | 8.85 |  | 287,773
Options exercisable as of December 31, 2020 |  | 2,693,250 |  |  | 0.0002 |  | 39.49 |  | 8.99 |  | 111,059
Schedule of the fair values of the options granted |
|  | For the six months ended June 30, 2021
|  | RMB
Weighted average grant date fair value of option per share |  | 53.57
Aggregate grant date fair value of options |  | 371,020
|  | For the years ended December 31,
|  | 2019 |  | 2020
|  | RMB |  | RMB
Weighted average grant date fair value of option per share |  | 41.51 |  | 53.57
Aggregate grant date fair value of options |  | 575,788 |  | 373,832
Schedule of share-based compensation expense |
|  | For the six months ended June 30, 2021
Cost of revenue |  | 21,360
Selling and marketing |  | 11,935
General and administrative |  | 42,933
Total share-based compensation expense |  | 76,227
|  | For the year ended December 31, 2020
Cost of revenue |  | 7,375
Selling and marketing |  | 11,740
General and administrative |  | 145,508
Total share-based compensation expense |  | 164,623
Schedule of share-based compensation expense of earn-out shares |
|  | For the six months ended June 30, 2021
General and administrative |  | 106,379
|  | For the year ended December 31, 2020
General and administrative |  | 37,710
Share Incentive [Member] |  |
Share-Based Compensation (Tables) [Line Items] |  |
Schedule of share-based compensation expense of share incentive |
|  | For the six months ended June 30, 2021
General and administrative |  | 1,210
Fair Value, Inputs, Level 3 [Member] |  |
Share-Based Compensation (Tables) [Line Items] |  |
Schedule of significant unobservable inputs that are classified as level 3 in the fair value hierarchy |
|  | For the year ended December 31, 2020
Risk-free interest rate |  | 0.10% – 0.24%
Volatility |  | 29.80% – 32.58%
Dividend yield |  | —
Life (in years) |  | 0.45 – 2.45
Fair value of the underlying ordinary shares (USD) |  | 8.17
|  | For the year ended December 31, 2020
Risk-free interest rate |  | 0.10% – 0.24%
Volatility |  | 29.80% – 32.58%
Dividend yield |  | —
Life (in years) |  | 0.45-2.45
Fair value of the underlying ordinary shares (USD) |  | 8.17

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