XML 162 R144.htm IDEA: XBRL DOCUMENT v3.23.1
Cash and cash equivalents (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash and cash equivalents.        
Cash on hand ¥ 12 ¥ 12    
Cash at central bank 214,768 575,044    
Cash at banks 1,692,996 824,314    
Cash and cash equivalents, end of the year ¥ 1,907,776 ¥ 1,399,370 ¥ 3,055,194 ¥ 1,077,875