Consolidated Statements Of Operations And Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
REVENUES:
Premiums earned	$ 5,481,459	$ 5,169,135	$ 4,753,543
Net investment income	473,825	530,570	548,509
Net realized capital gains (losses):
Other-than-temporary impairments on fixed maturity securities	$ (102,199)	$ (39,502)	$ (1,052)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)
Other net realized capital gains (losses)	$ (81,948)	$ 123,548	$ 301,279
Total net realized capital gains (losses)	(184,147)	84,046	300,227
Net derivative gain (loss)	6,317	(11,599)	44,044
Other income (expense)	60,435	18,437	(5,487)
Total revenues	5,837,889	5,790,589	5,640,836
CLAIMS AND EXPENSES:
Incurred losses and loss adjustment expenses	3,101,915	2,906,534	2,800,251
Commission, brokerage, taxes and fees	1,202,036	1,135,586	977,558
Other underwriting expenses	265,984	240,400	237,126
Corporate expenses	23,254	23,421	24,817
Interest, fees and bond issue cost amortization expense	36,191	38,533	46,118
Total claims and expenses	4,629,380	4,344,474	4,085,870
INCOME (LOSS) BEFORE TAXES	1,208,509	1,446,115	1,554,966
Income tax expense (benefit)	134,021	187,652	289,706
NET INCOME (LOSS)	1,074,488	1,258,463	1,265,260
Net (income) loss attributable to noncontrolling interests	(96,619)	(59,307)	(5,878)
NET INCOME (LOSS) ATTRIBUTABLE TO EVEREST RE GROUP	977,869	1,199,156	1,259,382
Other comprehensive income (loss), net of tax :
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period	(274,127)	704	(395,797)
Reclassification adjustment for amortization of net (gain) loss included in net income (loss)	93,688	21,392	(6,977)
Total URA(D) on securities arising during the period	(180,439)	22,096	(402,774)
Foreign currency translation adjustments	(111,530)	(95,417)	(162)
Benefit plan actuarial net gain (loss) for the period	5,681	(39,110)	17,837
Reclassification adjustment for amortization of net (gain) loss included in net income (loss)	6,216	3,020	5,778
Total benefit plan net gain (loss) for the period	11,897	(36,090)	23,615
Total other comprehensive income (loss), net of tax	$ (280,072)	$ (109,411)	$ (379,321)
Other comprehensive (income) loss attributable to noncontrolling interests
Total other comprehensive income (loss), net of tax attributable to Everest Re Group	$ (280,072)	$ (109,411)	$ (379,321)
COMPREHENSIVE INCOME (LOSS)	$ 697,797	$ 1,089,745	$ 880,061
EARNINGS PER COMMON SHARE ATTRIBUTABLE TO EVEREST RE GROUP:
Basic	$ 22.29	$ 26.16	$ 25.67
Diluted	22.10	25.91	25.44
Dividends declared	$ 4	$ 3.2	$ 2.19