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Document and Entity Information
Sep. 29, 2021
Cover [Abstract]  
Entity Registrant Name EVEREST RE GROUP LTD
Amendment Flag false
Entity Central Index Key 0001095073
Document Type 8-K
Document Period End Date Sep. 29, 2021
Entity Incorporation State Country Code D0
Entity File Number 1-15731
Entity Tax Identification Number 98-0365432
Entity Address, Address Line One Seon Place - 4th Floor
Entity Address, Address Line Two 141 Front Street
Entity Address, Address Line Three PO Box HM 845
Entity Address, City or Town Hamilton HM 19
Entity Address, Postal Zip Code HM 19
Entity Address, Country BM
City Area Code 441
Local Phone Number 295-0006
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Comman Shares, $0.01 par value
Trading Symbol RE
Security Exchange Name NYSE
Entity Emerging Growth Company false