XML 111 R97.htm IDEA: XBRL DOCUMENT v3.22.1
Statutory Reserves - Additional Information (Detail) - CNY (¥)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statutory Reserves [Abstract]      
Statutory accounting practices, statutory capital and surplus rate on after tax profits 10.00%    
Statutory accounting practices, statutory capital and surplus rate on registered capital 50.00%    
Statutory accounting practices, statutory capital and surplus required ¥ 0 ¥ 0 ¥ 0