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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Company's Employee Share Option Activity | The following table summarizes the Company’s employee share option activity under the share option plans:
|  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average grant date fair value |  |  | Weighted average remaining contractual term |  |  | Aggregate intrinsic value |
Outstanding, January 1, 2021 |  |  | 511,790 |  |  |  | 63.83 |  |  |  | 41.10 |  |  |  | 7.54 |  |  |  | 18,910 |
Granted |  |  | 385,120 |  |  |  | 47.06 |  |  |  | 23.00 |  |  |  |  |  |  |  |  |
Exercised |  |  | (123,811 | ) |  |  | 45.35 |  |  |  |  |  |  |  |  |  |  |  |  |
Forfeited |  |  | (230,271 | ) |  |  | 79.60 |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2021 |  |  | 542,828 |  |  |  | 51.33 |  |  |  | 25.80 |  |  |  | 8.88 |  |  |  | 206 |
Vested and expected to vest at December 31, 2021 |  |  | 517,519 |  |  |  | 49.68 |  |  |  | 25.98 |  |  |  | 8.87 |  |  |  | 206 |
Exercisable as of December 31, 2021 |  |  | 104,324 |  |  |  | 50.03 |  |  |  | 35.69 |  |  |  | 6.76 |  |  |  | 206 |
Schedule of Restricted Shares Activity | Restricted shares activity for the year ended December 31, 2021 was as follows:
|  | Number of shares |  |  | Weighted average grant date fair value |
Outstanding, January 1, 2021 |  |  | 853,331 |  |  |  | 79.88 |
Granted |  |  | 1,028,741 |  |  |  | 50.79 |
Vested |  |  | (348,696 | ) |  |  | 74.17 |
Forfeited |  |  | (243,217 | ) |  |  | 79.67 |
Outstanding, December 31, 2021 |  |  | 1,290,159 |  |  |  | 55.34 |
Expected to vest, December 31, 2021 |  |  | 1,011,422 |  |  |  | 54.83 |
Schedule of Estimated Fair Value of Share-Based Awards on Respective Grant Dates using Binomial Option Pricing Model | The Company calculated the estimated fair value of the share-based awards on the respective grant dates using the binomial option pricing model with the following assumptions:
|  | 2019 |  |  | 2020 |  |  | 2021 |
Fair value of ordinary share |  | US$ | 87.39 |  |  | US$ | 77.32-US$94.46 |  |  | US$ | 31.06-US$119.82 |
Risk-free interest rates |  |  | 1.96% |  |  |  | 0.62%-1.92% |  |  |  | 1.09%-1.62% |
Expected exercise multiple |  |  | 2.2 |  |  |  | 2.2-2.8 |  |  |  | 2.2-2.8 |
Expected volatility |  |  | 53% |  |  |  | 52%-53% |  |  |  | 51%-52% |
Expected dividend yield |  |  | 0.00% |  |  |  | 1.00% |  |  |  | 1.00% |
Weighted average fair value per option granted |  | US$ | 45.26 |  |  | US$ US$ | 30.00 - 44.69 |  |  | US$ | 10.51-US$60.83 |
Schedule of Share-Based Compensation Expenses | Share-based compensation expenses relating to options and restricted shares granted to employees recognized for the years ended December 31, 2019, 2020 and 2021 is as follows:
|  | Year ended December 31, |
|  | 2019 |  |  | 2020 |  |  | 2021 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Cost of revenues |  |  | 15,508 |  |  |  | 21,372 |  |  |  | 23,142 |  |  |  | 3,631 |
Sales and marketing expenses |  |  | 46,081 |  |  |  | 40,103 |  |  |  | 46,823 |  |  |  | 7,348 |
General and administrative expenses |  |  | 62,884 |  |  |  | 55,868 |  |  |  | 48,803 |  |  |  | 7,658 |
Product development expenses |  |  | 79,535 |  |  |  | 93,863 |  |  |  | 87,292 |  |  |  | 13,698 |
|  |  | 204,008 |  |  |  | 211,206 |  |  |  | 206,060 |  |  |  | 32,335 |

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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