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Taxation - Summary of Movement of Valuation Allowance (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Taxation      
Beginning Balance ¥ (112,838) ¥ (74,607) ¥ (80,320)
Movement 4,237 (38,231) 5,713
Ending Balance ¥ (108,601) ¥ (112,838) ¥ (74,607)