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Goodwill - Summary of Changes in Goodwill (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Line Items]      
Balance at beginning of the year   ¥ 1,803,415  
Goodwill acquired during the year   16,511  
Impairment loss ¥ 0 ¥ (1,819,926) ¥ 0
Balance at ending of the year     ¥ 1,803,415