XML 94 R73.htm IDEA: XBRL DOCUMENT v3.24.1
Cash and restricted cash - Reconciliation (Details)
¥ in Thousands, $ in Thousands
Dec. 31, 2023
CNY (¥)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
CNY (¥)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
CNY (¥)
Dec. 31, 2020
CNY (¥)
Cash and Cash Equivalents [Abstract]            
Cash at bank ¥ 561,148 $ 79,036 ¥ 860,472      
Restricted cash 27,126 3,821 40,957      
Cash and restricted cash shown in the consolidated statements of cash flows ¥ 588,274 $ 82,857 ¥ 901,429 $ 126,964 ¥ 989,132 ¥ 1,003,876