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Commitments and Contingencies - Schedule of Future Minimum Payments Under Non-Cancellable Operating Leases (Details) - Jun. 30, 2021
¥ in Thousands, $ in Thousands
CNY (¥)
USD ($)
Commitments and Contingencies Disclosure [Abstract]    
For the six months ended December 31, 2021 ¥ 4,477 $ 693
2022 9,333 1,445
2023 6,577 1,019
2024 5,381 833
Total ¥ 25,768 $ 3,990