The Company	12 Months Ended
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
The Company	The CompanyJ2 Global, Inc., together with its subsidiaries (“J2 Global”, the “Company”, “our”, “us”, or “we”), is a leading provider of internet information and services. The Company’s Digital Media business specializes in the technology, shopping, gaming, and healthcare markets, offering content, tools and services to consumers and businesses. Through its Cloud Services business, the Company provides cloud-based subscription services to consumers and businesses including cloud fax, cybersecurity, privacy and marketing technology.

The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-URI http://asc.fasb.org/topic&trid=2134479

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