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Convertible Notes - Summary of Principal Amount, Debt Issuance Costs and Derivative Liability (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Convertible Notes [Line Item]    
Principal amount   ¥ 228,372
Contingent redemption feature, contingent interest feature and debt issuance costs   (3,143)
Total ¥ 0 ¥ 225,229
Charge to profit and loss 3,108  
Redemption [Member]    
Convertible Notes [Line Item]    
Principal amount 228,508  
Total 228,508  
Foreign Currency Translation Adjustment    
Convertible Notes [Line Item]    
Principal amount 136  
Contingent redemption feature, contingent interest feature and debt issuance costs 35  
Total ¥ 171