XML 53 R40.htm IDEA: XBRL DOCUMENT
v3.21.2

Basis of Presentation (Details) |  | 9 Months Ended
--- | --- | ---
Oct. 07, 2021 | Sep. 30, 2021
Subsequent Event |  |
Finite-Lived Intangible Assets [Line Items] |  |
Spinoff, percentage of stock distributed | 80.10% |
Shares received, as a ratio | 0.3333 |
Consensus | Subsequent Event |  |
Finite-Lived Intangible Assets [Line Items] |  |
Ownership percentage | 19.90% |
Minimum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible asset, useful life |  | 1 year
Maximum |  |
Finite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible asset, useful life |  | 20 years

X
- Definition Restructuring And Related Cost, Spinoff, Percentage Of Stock Distributed + References No definition available. + Details
Name: | jcom_RestructuringAndRelatedCostSpinoffPercentageOfStockDistributed
Namespace Prefix: | jcom_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Restructuring And Related Cost, Spinoff, Stock Received , Ratio + References No definition available. + Details
Name: | jcom_RestructuringAndRelatedCostSpinoffStockReceivedRatio
Namespace Prefix: | jcom_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |