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Mainland China Contribution Plan - Additional Information (Details)
¥ in Thousands, $ in Thousands
12 Months Ended
Feb. 28, 2023
CNY (¥)
Feb. 28, 2023
USD ($)
Feb. 28, 2022
CNY (¥)
Feb. 28, 2021
CNY (¥)
Defined Contribution Plan Disclosure [Line Items]        
Contributions for employee benefits ¥ 4,885 $ 705 ¥ 15,966 ¥ 12,148
Covid-19        
Defined Contribution Plan Disclosure [Line Items]        
Defined contribution temporary exemption amount       ¥ 4,213