COVER - shares	6 Months Ended
	Jun. 30, 2023	Aug. 01, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2023
Document Transition Report	false
Entity File Number	1-14527
Entity Registrant Name	EVEREST REINSURANCE HOLDINGS, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	22-3263609
Entity Address, Address Line One	100 Everest Way
Entity Address, City or Town	Warren
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07059
City Area Code	908
Local Phone Number	604-3000
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Title of 12(b) Security	Common Shares, $0.01 par value
Entity Common Stock, Shares Outstanding		1,000
Entity Central Index Key	0000914748
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q2
Amendment Flag	false
No Trading Symbol Flag	true