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Restricted Net Assets - Additional Information (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 CNY (¥) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 CNY (¥) | Dec. 31, 2019 CNY (¥)
Restricted Net Assets [Abstract] |  |  |  |
Percentage of after tax profits allocated to general reserve | 10.00% |  |  |
Percentage of maximum limit of registered capital to discontinue general reserve | 50.00% |  |  |
Appropriated retained earnings | ¥ 91,339 | $ 14,333 | ¥ 87,759 | ¥ 84,537
Restricted net assets | ¥ 4,924,954 | $ 772,833 | ¥ 4,582,897 |

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- Definition Represents the maximum percentage criteria expressed as a percentage of registered capital for the transfer of after-tax profit by subsidiaries in China to a general reserve fund. If the reserve fund exceeds the specified threshold of the registered capital, further appropriation is not required + References No definition available. + Details
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- Definition Represents the minimum percentage of after-tax profit transferred by Chinese subsidiaries to general reserve fund. + References No definition available. + Details
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- Definition Restricted Net Assets [Abstract] + References No definition available. + Details
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- Definition Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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- Definition A segregation of retained earnings which is unavailable for dividend distribution. Includes also retained earnings appropriated for loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21346-112643 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=65888546&loc=d3e21332-112643 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(23)(a)(4)(i)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-03(30)(a)(3)(ii)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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