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Summary of Significant Accounting Policies - Allowance for Uncollectible Accounts (Details)
¥ in Thousands
12 Months Ended
Dec. 31, 2023
CNY (¥)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Additions ¥ (197)
Balance at end of the year (382)
Impact of adoption of ASC 326  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Balance at end of the year ¥ (185)