Short-Term Investments - Summary of Short Term Investment (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
Short Term Investment [Line Items]
Variable-rate financial instruments	¥ 300,240	$ 43,531	¥ 0
Variable-rate financial instruments [Member]
Short Term Investment [Line Items]
Variable-rate financial instruments	¥ 300,240		¥ 0

Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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