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v3.22.2.2

OTHER OPERATING INCOME, NET - Additional information (Details) | 6 Months Ended
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Jun. 30, 2022
April 1, 2019 to December 31, 2022 |
OTHER OPERATING INCOME, NET |
Percentage of value added tax rate in super deduction | 10.00%

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- Definition Other income and expenses. + References No definition available. + Details
Name: | bz_OtherIncomeAndExpensesLineItems
Namespace Prefix: | bz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents for percentage of value added tax rate in super deduction. + References No definition available. + Details
Name: | bz_PercentageOfValueAddedTaxRateInSuperDeduction
Namespace Prefix: | bz_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | bz_ValueAddedTaxInSuperDeductionPeriodAxis=bz_FromAprilOneTwoThousandAndNineteenToDecemberThirtyOneTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |