Fair value portion of investments accounted under the equity method.

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Name:	us-gaap_EquityMethodInvestmentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Fair Value Measurement - Additional Information (Detail) - Fair Value, Nonrecurring [Member] ¥ in Thousands, $ in Thousands	Dec. 31, 2025 CNY (¥)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 CNY (¥)
Level 3 [Member]
Equity Method Investments \| $		$ 1
Maximum [Member]
Equity Method Investments	¥ 11,480	$ 1,642
Minimum [Member] \| Level 3 [Member]
Equity Method Investments \| ¥	¥ 8		¥ 100,273