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Leases - Summary of Lessee Operating Lease Liability Maturity (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2020
Lessee Operating Lease Liability Maturity [Line Items]      
2021 ¥ 0    
2022 14,446    
2023 13,080    
2024 5,969    
Total lease payment 33,495    
Less: interest (2,490)    
Present value of operating lease liability 31,005 ¥ 4,296 ¥ 11,700
Operating leases not yet commenced ¥ 0 ¥ 0