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Restricted Net Assets - Additional Information (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥)
CHINA | General Reserve Fund [Member] | Foreign Invested Enterprise [Member] |  |  |
Restricted Net Assets [Line Items] |  |  |
Maximum percentage of statutory general reserve related to entity's registered capital | 50.00% |  |
CHINA | Statutory Surplus Reserve [Member] | Domestic Enterprise [Member] |  |  |
Restricted Net Assets [Line Items] |  |  |
Maximum percentage of statutory surplus reserve related to entity's registered capital | 50.00% |  |
Minimum [Member] | CHINA | General Reserve Fund [Member] | Foreign Invested Enterprise [Member] |  |  |
Restricted Net Assets [Line Items] |  |  |
Percentage of Annual After Tax Profit Required To Allocate To The General Reserve Fund | 10.00% |  |
Minimum [Member] | CHINA | Statutory Surplus Reserve [Member] | Domestic Enterprise [Member] |  |  |
Restricted Net Assets [Line Items] |  |  |
Percentage of Annual After Tax Profits Required To Provide Statutory Surplus Fund | 10.00% |  |
PRC Subsidiaries [Member] |  |  |
Restricted Net Assets [Line Items] |  |  |
Restricted net assets |  |  | ¥ 116,910
VIE And VIE Subsidiaries [Member] |  |  |
Restricted Net Assets [Line Items] |  |  |
Restricted net assets | ¥ 194,264 | $ 26,614 |

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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 -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(3)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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