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Principal Accounting Policies - Schedule of Disaggregated Revenue (Detail)
¥ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Disaggregation of Revenue [Line Items]        
Corporate learning solutions ¥ 325,579 $ 44,604 ¥ 411,822 ¥ 424,275
Others 5,611 769 12,194 6,361
Total revenues 331,190 $ 45,373 424,016 430,636
Subscription-based [Member]        
Disaggregation of Revenue [Line Items]        
Corporate learning solutions 301,796   347,829 368,176
Non-subscription-based [Member]        
Disaggregation of Revenue [Line Items]        
Corporate learning solutions ¥ 23,783   ¥ 63,993 ¥ 56,099