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Risk Assurance Liabilities - Summary of Movement of Risk Assurance Liabilities (Detail) | 12 Months Ended
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Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Guarantees [Abstract] |  |  |  |
Balance at the beginning of the year | ¥ 460,829,299 | $ 72,314,173 | ¥ 259,952,473 |
Fair value of risk assurance liabilities upon the inception of new loans | 443,831,604 | 69,646,863 | 348,921,174 |
Performed risk assurance liabilities | (403,388,438) | (63,300,448) | (150,312,528) |
Net loss on risk assurance liabilities | 197,750,449 | 31,031,361 | 2,268,180 | ¥ 34,257,754
Balance at the end of the year | ¥ 699,022,914 | $ 109,691,949 | ¥ 460,829,299 | ¥ 259,952,473

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- Definition Day 1 fair value of risk assurance liabilities. + References No definition available. + Details
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- Definition Amount of losses (gains) recorded along with the losses arising from risk assurance obligation and the gains from releasing of risk assurance obligation. + References No definition available. + Details
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- Definition Amount of charge-offs, recoveries and buyback of risk assurance liabilities. + References No definition available. + Details
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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124440162&loc=d3e12069-110248 + Details
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- References No definition available. + Details
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