XML 60 R43.htm IDEA: XBRL DOCUMENT
v3.22.1

Principal Activities and Organization - Summary of Principal Subsidiaries and Consolidated VIE (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2021
Schedule Of Subsidiaries And Consolidated Variable Interest Entity [Line Items] |
Place of incorporation | E9
Techfish Limited [Member] | Subsidiaries [Member] |
Schedule Of Subsidiaries And Consolidated Variable Interest Entity [Line Items] |
Principal subsidiaries and consolidated VIE | Techfish Limited
Place of incorporation | F4
Date of incorporation | Feb. 14, 2014
Beijing Glorywolf Co Ltd [Member] | Subsidiaries [Member] |
Schedule Of Subsidiaries And Consolidated Variable Interest Entity [Line Items] |
Principal subsidiaries and consolidated VIE | Beijing Glorywolf Co., Ltd.
Place of incorporation | F4
Date of incorporation | May 07, 2014
Beijing Huapin Borui Network Technology Co Ltd [Member] | Variable Interest Entity, Primary Beneficiary [Member] |
Schedule Of Subsidiaries And Consolidated Variable Interest Entity [Line Items] |
Principal subsidiaries and consolidated VIE | Beijing Huapin Borui Network Technology Co., Ltd.
Place of incorporation | F4
Date of incorporation | Dec. 25, 2013

X
- Definition Schedule of subsidiaries and consolidated variable interest entity. + References No definition available. + Details
Name: | bz_ScheduleOfSubsidiariesAndConsolidatedVariableInterestEntityLineItems
Namespace Prefix: | bz_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date when an entity was incorporated + References No definition available. + Details
Name: | dei_EntityIncorporationDateOfIncorporation
Namespace Prefix: | dei_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Two-character EDGAR code representing the state or country of incorporation. + References No definition available. + Details
Name: | dei_EntityIncorporationStateCountryCode
Namespace Prefix: | dei_
Data Type: | dei:edgarStateCountryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Former Legal or Registered Name of an entity + References No definition available. + Details
Name: | dei_EntityInformationFormerLegalOrRegisteredName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=bz_TechfishLimitedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=srt_SubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=bz_BeijingGlorywolfCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=bz_BeijingHuapinBoruiNetworkTechnologyCoLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |