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Document and Entity Information
Oct. 07, 2021
Document And Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Oct. 07, 2021
Entity Registrant Name Ziff Davis, Inc.
Entity Incorporation, State or Country Code DE
Entity File Number 0-25965
Entity Tax Identification Number 47-1053457
Entity Address, Address Line One 114 5th Avenue
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10011
City Area Code 212
Local Phone Number 503-3500
Entity Information, Former Legal or Registered Name J2 Global, Inc.
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.01 par value
Trading Symbol ZD
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Current Fiscal Year End Date --12-31
Amendment Flag false
Entity Central Index Key 0001084048
Former Address [Member]  
Document And Entity Information [Line Items]  
Entity Address, Address Line One 700 S. Flower Street
Entity Address, Address Line Two 15th Floor
Entity Address, City or Town Los Angeles
Entity Address, State or Province CA
Entity Address, Postal Zip Code 90017