Consolidated Statements Of Operations And Comprehensive Income (Loss) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
REVENUES:
Premiums earned	$ 1,144,490	$ 1,088,759
Net investment income	123,157	145,781
Net realized capital gains (losses):
Other-than-temporary impairments on fixed maturity securities		(191)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)
Other net realized capital gains (losses)	21,126	126,926
Total net realized capital gains (losses)	21,126	126,735
Net derivative gain (loss)	(1,661)	15,285
Other income (expense)	(3,296)	(8,887)
Total revenues	1,283,816	1,367,673
CLAIMS AND EXPENSES:
Incurred losses and loss adjustment expenses	619,409	592,644
Commission, brokerage, taxes and fees	246,002	233,046
Other underwriting expenses	50,638	52,946
Corporate expenses	4,945	5,717
Interest, fees and bond issue cost amortization expense	7,568	13,481
Total claims and expenses	928,562	897,834
INCOME (LOSS) BEFORE TAXES	355,254	469,839
Income tax expense (benefit)	53,232	85,496
NET INCOME (LOSS)	302,022	384,343
Net (income) loss attributable to noncontrolling interests	(8,089)
NET INCOME (LOSS) ATTRIBUTABLE TO EVEREST RE GROUP	293,933	384,343
Other comprehensive income (loss), net of tax :
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period	53,471	(46,802)
Reclassification adjustment for realized losses (gains) included in net income (loss)	1,874	(4,091)
Total URA(D) on securities arising during the period	55,345	(50,893)
Foreign currency translation adjustments	(2,637)	(21,066)
Benefit plan actuarial net gain (loss) for the period
Reclassification adjustment for amortization of net (gain) loss included in net income (loss)	771	1,346
Total benefit plan net gain (loss) for the period	771	1,346
Total other comprehensive income (loss), net of tax	53,479	(70,613)
Other comprehensive (income) loss attributable to noncontrolling interests
Total other comprehensive income (loss), net of tax attributable to Everest Re Group	53,479	(70,613)
COMPREHENSIVE INCOME (LOSS)	$ 347,412	$ 313,730
EARNINGS PER COMMON SHARE ATTRIBUTABLE TO EVEREST RE GROUP:
Basic	$ 6.26	$ 7.56
Diluted	$ 6.21	$ 7.50
Dividends declared	$ 0.75	$ 0.48