XML 93 R73.htm IDEA: XBRL DOCUMENT v3.22.1

SHORT TERM INVESTMENT - Additional Information (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Wealth management products
Investment Weighted Average Return	5.20%	3.40%	3.40%

X

- Definition

Represents Weighted average return from short term investment.

+ References

No definition available.

+ Details

Name:	yj_InvestmentWeightedAverageReturn
Namespace Prefix:	yj_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_InvestmentTypeAxis=yj_WealthManagementProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: