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Dividends - Additional Information (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Nov. 08, 2021
Disclosure of Dividends [Line Items]        
Dividend paid ¥ 0 ¥ 0 ¥ 0  
Bottom of range [member]        
Disclosure of Dividends [Line Items]        
Percentage of recurring cash dividend on consolidated net profit       20.00%
Top of range [member]        
Disclosure of Dividends [Line Items]        
Percentage of recurring cash dividend on consolidated net profit       40.00%