Leases - Additional Information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
Dec. 31, 2024 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 CNY (¥)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2024 USD ($)
Leases
Operating lease costs	¥ 30,148	$ 4,130	¥ 39,809	¥ 44,281
Operating lease expenses	4,906	672	4,873	3,557
Short-term lease expenses	25,242	$ 3,458	¥ 34,936	¥ 40,724
Future minimum payment under non-cancellable leases	¥ 4,612				$ 632

No definition available.

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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- Definition

Amount of operating lease expense. Excludes sublease income.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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