Prepayments and Other Current Assets - Summary of Other Current Assets (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deductible VAT	¥ 8,635	$ 1,252	¥ 359,915
Rental deposits	68,204	9,889	54,824
Interest receivables	49,491	7,175	15,992
Others	44,006	6,380	31,112
Total	¥ 170,336	$ 24,696	¥ 461,843

Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3)(a)(4))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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