XML 127 R107.htm IDEA: XBRL DOCUMENT
v3.22.4

Segment Information - Narrative (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 business
Segment Reporting [Abstract] |
Number of businesses | 2

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

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