XML 120 R53.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Summary Of Significant Accounting Policies (Schedule Of Uncollectible Reinsurance Recoverable And Premium Receivables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Summary Of Significant Accounting Policies [Abstract]
Reinsurance receivables and premium receivables	$ 25,605	$ 25,611

X

- References

No definition available.

+ Details

Name:	re_ReinsuranceRecoverableAndPremiumReceivables
Namespace Prefix:	re_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_AccountingPoliciesAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration