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Other Income and Expenses - Summary of Finance Costs (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Profit or loss [abstract]      
Interest on loans and borrowings ¥ 6,602 ¥ 7,544 ¥ 2,629
Interest on lease liabilities 1,082 2,561 613
Total finance costs ¥ 7,684 ¥ 10,105 ¥ 3,242