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v3.23.1

Segment Information - Narrative (Details) | 3 Months Ended
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Mar. 31, 2023 business
Segment Reporting [Abstract] |
Number of businesses | 2

X
- References No definition available. + Details
Name: | us-gaap_SegmentReportingAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of Businesses + References No definition available. + Details
Name: | zd_NumberOfBusinesses
Namespace Prefix: | zd_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration