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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Mainland China Contribution Plan - Additional Information (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Feb. 28, 2022 CNY (¥)	Feb. 28, 2022 USD ($)	Feb. 28, 2021 CNY (¥)	Feb. 29, 2020 CNY (¥)
Defined Contribution Plan Disclosure [Line Items]
Contributions for employee benefits	¥ 15,966	$ 2,531	¥ 12,148	¥ 18,823
Covid-19
Defined Contribution Plan Disclosure [Line Items]
Defined contribution temporary exemption amount	¥ 4,213