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Prepayments and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Detail) ¥ in Thousands, $ in Thousands	Dec. 31, 2021 CNY (¥)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 CNY (¥)
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid marketing expenses and service fee	¥ 234,490		¥ 47,398
Receivables from third-party on-line payment platforms	63,866		41,221
Deposits	63,814		37,780
Staff loans and advances	52,695		32,902
Receivables related to the exercise of share-based awards	289,822		0
Others	19,896		5,609
Total	¥ 724,583	$ 113,703	¥ 164,910

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Receivables from third-party on-line payment platforms.

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Receivables related to the exercise of share-based awards.

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Staff loans and advances.

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The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement.

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Amount of current assets classified as other.

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Amount of consideration paid in advance for advertising that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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