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Share-Based Compensation - Summary of Allocated Share-based Compensation Expense (Detail) | 12 Months Ended
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Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based compensation expense | ¥ 87,634,835 | $ 13,751,819 | ¥ 78,754,828 | ¥ 82,265,991
Cost of Revenue [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based compensation expense | 4,927,484 | 773,230 | 3,075,317 | 3,372,908
Sales and Marketing [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based compensation expense | 15,311,101 | 2,402,646 | 16,003,486 | 17,522,654
General and Administrative [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based compensation expense | 63,035,444 | 9,891,637 | 55,590,630 | 57,092,589
Research and Development [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] |  |  |  |
Share-based compensation expense | ¥ 4,360,806 | $ 684,306 | ¥ 4,085,395 | ¥ 4,277,840

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