10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

  FOR THE QUARTERLY PERIOD ENDED: September 30, 2017   Commission file number: 1-15731

EVEREST RE GROUP, LTD.

(Exact name of registrant as specified in its charter)

Bermuda	98-0365432
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

Seon Place – 4^th Floor

141 Front Street

PO Box HM 845

Hamilton HM 19, Bermuda

441-295-0006

(Address, including zip code, and telephone number, including area code,

of registrant's principal executive office)

Indicate by check mark whether the registrant:  (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

YES X NO

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

YES X NO

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company.  See the definitions of "large accelerated filer," "accelerated filer,"  "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer	X	Accelerated filer
Non-accelerated filer		Smaller reporting company
(Do not check if smaller reporting company)		Emerging  growth company

Indicate by check mark if the registrant is an emerging growth company and has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange act.

YES NO X

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

YES NO X

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date.

	Number of Shares Outstanding
Class	At November 1, 2017
Common Shares, $0.01 par value	41,069,690

EVEREST RE GROUP, LTD

Table of Contents

Form 10-Q

Page

PART I

FINANCIAL INFORMATION

Item 1.	Financial Statements
	Consolidated Balance Sheets September 30, 2017 (unaudited)
	and December 31, 2016	1
	Consolidated Statements of Operations and Comprehensive Income (Loss) for the
	three and nine months ended September 30, 2017 and 2016 (unaudited)	2
	Consolidated Statements of Changes in Shareholders' Equity for the three
	and nine months ended September 30, 2017 and 2016 (unaudited)	3
	Consolidated Statements of Cash Flows for the nine months ended
	September 30, 2017 and 2016 (unaudited)	4
	Notes to Consolidated Interim Financial Statements (unaudited)	5
Item 2.	Management's Discussion and Analysis of Financial Condition and
	Results of Operation	34
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	59
Item 4.	Controls and Procedures	60

PART II

OTHER INFORMATION

Item 1.	Legal Proceedings	60
Item 1A.	Risk Factors	60
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	61
Item 3.	Defaults Upon Senior Securities	61
Item 4.	Mine Safety Disclosures	61
Item 5.	Other Information	61
Item 6.	Exhibits	62

EVEREST RE GROUP, LTD.

CONSOLIDATED BALANCE SHEETS

	September 30,			December 31,
(Dollars and share amounts in thousands, except par value per share)	2017			2016
	(unaudited)
ASSETS:
Fixed maturities - available for sale, at market value	$	14,778,175		$	14,107,408
(amortized cost: 2017, $14,626,754; 2016, $13,932,613)
Equity securities - available for sale, at market value (cost: 2017, $128,116; 2016, $129,553)		127,425			119,067
Equity securities - available for sale, at fair value		1,141,146			1,010,085
Short-term investments		362,376			431,478
Other invested assets (cost: 2017, $1,484,599; 2016, $1,333,069)		1,487,519			1,333,129
Cash		585,395			481,922
Total investments and cash		18,482,036			17,483,089
Accrued investment income		101,092			96,473
Premiums receivable		2,071,714			1,485,990
Reinsurance receivables		1,366,890			1,018,325
Funds held by reinsureds		269,783			260,644
Deferred acquisition costs		396,858			344,052
Prepaid reinsurance premiums		314,949			191,768
Income taxes		415,182			177,704
Other assets		517,765			263,459
TOTAL ASSETS	$	23,936,269		$	21,321,504
LIABILITIES:
Reserve for losses and loss adjustment expenses	$	12,455,357		$	10,312,313
Future policy benefit reserve		54,279			55,074
Unearned premium reserve		1,992,907			1,577,546
Funds held under reinsurance treaties		21,768			21,278
Commission reserves		40,075			70,335
Other net payable to reinsurers		269,230			190,986
Losses in course of payment		205,215			67,107
4.868% Senior notes due 6/1/2044		396,804			396,714
6.6% Long term notes due 5/1/2067		236,536			236,462
Accrued interest on debt and borrowings		7,564			3,537
Equity index put option liability		16,006			22,059
Unsettled securities payable		54,711			27,927
Other liabilities		216,486			264,770
Total liabilities		15,966,938			13,246,108
Commitments and contingencies (Note 8)
SHAREHOLDERS' EQUITY:
Preferred shares, par value: $0.01; 50,000 shares authorized;
no shares issued and outstanding		-			-
Common shares, par value: $0.01; 200,000 shares authorized; (2017) 69,040
and (2016) 68,871 outstanding before treasury shares		691			689
Additional paid-in capital		2,158,143			2,140,783
Accumulated other comprehensive income (loss), net of deferred income tax expense
(benefit) of $21,672 at 2017 and $8,240 at 2016		(84,247	)		(216,764	)
Treasury shares, at cost; 27,972 shares 2017 and 2016		(3,272,244	)		(3,272,244	)
Retained earnings		9,166,988			9,422,932
Total shareholders' equity		7,969,331			8,075,396
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$	23,936,269		$	21,321,504
The accompanying notes are an integral part of the consolidated financial statements.

1

EVEREST RE GROUP, LTD.

CONSOLIDATED STATEMENTS OF OPERATIONS

AND COMPREHENSIVE INCOME (LOSS)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands, except per share amounts)	2017			2016			2017			2016
	(unaudited)						(unaudited)
REVENUES:
Premiums earned	$	1,598,875		$	1,371,474		$	4,280,653		$	3,879,201
Net investment income		136,973			122,657			393,770			357,918
Net realized capital gains (losses):
Other-than-temporary impairments on fixed maturity securities		(1,485	)		(867	)		(5,188	)		(31,130	)
Other-than-temporary impairments on fixed maturity securities
transferred to other comprehensive income (loss)		-			-			-			-
Other net realized capital gains (losses)		43,020			1,247			124,719			(10,091	)
Total net realized capital gains (losses)		41,535			380			119,531			(41,221	)
Net derivative gain (loss)		2,656			6,510			6,052			5,486
Other income (expense)		(54,568	)		9,435			(59,146	)		(20,998	)
Total revenues		1,725,471			1,510,456			4,740,860			4,180,386
CLAIMS AND EXPENSES:
Incurred losses and loss adjustment expenses		2,210,082			786,168			3,842,145			2,344,733
Commission, brokerage, taxes and fees		333,113			309,545			915,338			880,053
Other underwriting expenses		73,145			78,563			227,901			222,750
Corporate expenses		5,932			6,400			21,308			21,403
Interest, fees and bond issue cost amortization expense		7,266			8,893			24,289			27,194
Total claims and expenses		2,629,538			1,189,569			5,030,981			3,496,133
INCOME (LOSS) BEFORE TAXES		(904,067	)		320,887			(290,121	)		684,253
Income tax expense (benefit)		(264,693	)		25,493			(188,064	)		61,481
NET INCOME (LOSS)	$	(639,374	)	$	295,394		$	(102,057	)	$	622,772
Other comprehensive income (loss), net of tax:
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period		(5,671	)		(9,032	)		18,745			258,286
Reclassification adjustment for realized losses (gains) included in net income (loss)		(5,537	)		(3,222	)		(16,729	)		27,711
Total URA(D) on securities arising during the period		(11,208	)		(12,254	)		2,016			285,997
Foreign currency translation adjustments		77,564			2,816			125,124			17,639
Benefit plan actuarial net gain (loss) for the period		-			-			-			-
Reclassification adjustment for amortization of net (gain) loss included in net income (loss)		1,369			1,268			5,377			3,949
Total benefit plan net gain (loss) for the period		1,369			1,268			5,377			3,949
Total other comprehensive income (loss), net of tax		67,725			(8,170	)		132,517			307,585
COMPREHENSIVE INCOME (LOSS)	$	(571,649	)	$	287,224		$	30,460		$	930,357
EARNINGS PER COMMON SHARE:
Basic	$	(15.73	)	$	7.11		$	(2.51	)	$	14.80
Diluted		(15.73	)		7.06			(2.51	)		14.70
Dividends declared		1.25			1.15			3.75			3.45
The accompanying notes are an integral part of the consolidated financial statements.

2

EVEREST RE GROUP, LTD.

CONSOLIDATED STATEMENTS OF

CHANGES IN SHAREHOLDERS' EQUITY

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands, except share and dividends per share amounts)	2017			2016			2017			2016
	(unaudited)						(unaudited)
COMMON SHARES (shares outstanding):
Balance, beginning of period		41,065,212			41,883,430			40,898,864			42,694,252
Issued during the period, net		2,896			17,621			169,244			215,887
Treasury shares acquired		-			(1,013,857	)		-			(2,022,945	)
Balance, end of period		41,068,108			40,887,194			41,068,108			40,887,194
COMMON SHARES (par value):
Balance, beginning of period	$	691		$	688		$	689		$	686
Issued during the period, net		-			-			2			2
Balance, end of period		691			688			691			688
ADDITIONAL PAID-IN CAPITAL:
Balance, beginning of period		2,150,659			2,120,581			2,140,783			2,103,638
Share-based compensation plans		7,484			8,730			17,360			25,673
Balance, end of period		2,158,143			2,129,311			2,158,143			2,129,311
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS),
NET OF DEFERRED INCOME TAXES:
Balance, beginning of period		(151,972	)		84,000			(216,764	)		(231,755	)
Net increase (decrease) during the period		67,725			(8,170	)		132,517			307,585
Balance, end of period		(84,247	)		75,830			(84,247	)		75,830
RETAINED EARNINGS:
Balance, beginning of period		9,857,664			8,852,512			9,422,932			8,621,972
Net income (loss)		(639,374	)		295,394			(102,057	)		622,772
Dividends declared ($1.25 per share in third quarter 2017 and $3.75 year-to-date
per share in 2017 and $1.15 per share in third quarter 2016 and $3.45
year-to-date per share in 2016)		(51,302	)		(47,459	)		(153,887	)		(144,297	)
Balance, end of period		9,166,988			9,100,447			9,166,988			9,100,447
TREASURY SHARES AT COST:
Balance, beginning of period		(3,272,244	)		(3,072,313	)		(3,272,244	)		(2,885,956	)
Purchase of treasury shares		-			(192,871	)		-			(379,228	)
Balance, end of period		(3,272,244	)		(3,265,184	)		(3,272,244	)		(3,265,184	)
TOTAL SHAREHOLDERS' EQUITY, END OF PERIOD	$	7,969,331		$	8,041,092		$	7,969,331		$	8,041,092
The accompanying notes are an integral part of the consolidated financial statements.

3

EVEREST RE GROUP, LTD.

CONSOLIDATED STATEMENTS OF CASH FLOWS

	Nine Months Ended
	September 30,
(Dollars in thousands)	2017			2016
	(unaudited)
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$	(102,057	)	$	622,772
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease (increase) in premiums receivable		(564,080	)		(185,559	)
Decrease (increase) in funds held by reinsureds, net		(4,742	)		46,134
Decrease (increase) in reinsurance receivables		(245,275	)		(87,807	)
Decrease (increase) in income taxes		(247,571	)		15,935
Decrease (increase) in prepaid reinsurance premiums		(109,913	)		(66,147	)
Increase (decrease) in reserve for losses and loss adjustment expenses		1,927,538			470,560
Increase (decrease) in future policy benefit reserve		(795	)		(1,912	)
Increase (decrease) in unearned premiums		389,731			89,013
Increase (decrease) in other net payable to reinsurers		59,356			85,493
Increase (decrease) in losses in course of payment		137,805			7,673
Change in equity adjustments in limited partnerships		(54,155	)		(33,289	)
Distribution of limited partnership income		36,859			52,913
Change in other assets and liabilities, net		(116,623	)		(154,765	)
Non-cash compensation expense		23,011			20,359
Amortization of bond premium (accrual of bond discount)		34,657			38,151
Amortization of underwriting discount on senior notes		3			3
Net realized capital (gains) losses		(119,531	)		41,221
Net cash provided by (used in) operating activities		1,044,218			960,748
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from fixed maturities matured/called - available for sale, at market value		1,619,552			1,439,002
Proceeds from fixed maturities sold - available for sale, at market value		1,691,937			888,761
Proceeds from fixed maturities sold - available for sale, at fair value		-			1,588
Proceeds from equity securities sold - available for sale, at market value		18,802			155
Proceeds from equity securities sold - available for sale, at fair value		316,087			542,560
Distributions from other invested assets		3,555,941			3,600,587
Proceeds from sale of subsidiary (net of cash disposed)		-			47,721
Cost of fixed maturities acquired - available for sale, at market value		(3,774,584	)		(2,974,792	)
Cost of fixed maturities acquired - available for sale, at fair value		-			(3,940	)
Cost of equity securities acquired - available for sale, at market value		(19,196	)		(4,194	)
Cost of equity securities acquired - available for sale, at fair value		(351,220	)		(269,544	)
Cost of other invested assets acquired		(3,676,606	)		(4,131,419	)
Net change in short-term investments		74,000			488,047
Net change in unsettled securities transactions		(219,208	)		44,494
Net cash provided by (used in) investing activities		(764,495	)		(330,974	)
CASH FLOWS FROM FINANCING ACTIVITIES:
Common shares issued during the period, net		(5,650	)		5,315
Purchase of treasury shares		-			(379,228	)
Dividends paid to shareholders		(153,887	)		(144,297	)
Cost of shares withheld for taxes on settlements of share-based compensation awards		(12,707	)		(10,017	)
Net cash provided by (used in) financing activities		(172,244	)		(528,227	)
EFFECT OF EXCHANGE RATE CHANGES ON CASH		(4,006	)		50,590
Net increase (decrease) in cash		103,473			152,137
Cash, beginning of period		481,922			283,658
Cash, end of period	$	585,395		$	435,795
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid (recovered)	$	58,701		$	40,072
Interest paid		19,783			18,227
The accompanying notes are an integral part of the consolidated financial statements.

4

NOTES TO CONSOLIDATED INTERIM FINANCIAL STATEMENTS (UNAUDITED)

For the Three and Nine Months Ended September 30, 2017 and 2016

1.   GENERAL

Everest Re Group, Ltd. ("Group"), a Bermuda company, through its subsidiaries, principally provides reinsurance and insurance in the U.S., Bermuda and international markets.  As used in this document, "Company" means Group and its subsidiaries.

During the third quarter of 2016, the Company established domestic subsidiaries, Everest Premier Insurance Company ("Everest Premier") and Everest Denali Insurance Company ("Everest Denali"), which will be used in the continued expansion of the Insurance operations.

Effective August 24, 2016, the Company sold its wholly-owned subsidiary, Heartland Crop Insurance Company ("Heartland"), a managing agent for crop insurance, to CGB Diversified Services, Inc. ("CGB"). The operating results of Heartland through August 24, 2016, are included within the Company's financial statements.

Effective July 1, 2016, the Company established a new Irish holding company, Everest Dublin Insurance Holdings Limited (Ireland) ("Everest Dublin Holdings").

During the fourth quarter of 2015, the Company established new subsidiaries, Everest Preferred International Holdings, Ltd. ("Preferred International"), a Bermuda based company and Everest International Holdings (Bermuda), Ltd. ("International Holdings"), a Bermuda based company.  These new subsidiaries were part of a capital restructuring within the Company to support a planned increase in international business production, which includes directly supporting Group's new Lloyd's of London Syndicate corporate member.

2.   BASIS OF PRESENTATION

The unaudited consolidated financial statements of the Company for the three and nine months ended September 30, 2017 and 2016 include all adjustments, consisting of normal recurring accruals, which, in the opinion of management, are necessary for a fair statement of the results on an interim basis.  Certain financial information, which is normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP"), has been omitted since it is not required for interim reporting purposes.  The December 31, 2016 consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by GAAP.  The results for the three and nine months ended September 30, 2017 and 2016 are not necessarily indicative of the results for a full year.  These financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto for the years ended December 31, 2016, 2015 and 2014 included in the Company's most recent Form 10-K filing.

The Company consolidates the results of operations and financial position of all voting interest entities ("VOE") in which the Company has a controlling financial interest and all variable interest entities ("VIE") in which the Company is considered to be the primary beneficiary. The consolidation assessment, including the determination as to whether an entity qualifies as a VIE or VOE, depends on the facts and circumstances surrounding each entity.

Effective January 1, 2016, the Company adopted Accounting Standards Update ("ASU") 2015-02, "Consolidation (Topic 810) Amendments to the Consolidation Analysis"  issued by the United States Financial Accounting Standards Board ("FASB"), which changed the method in which the Company determines whether entities are consolidated by the Company. The adoption of this amended accounting guidance was implemented utilizing a full retrospective application for prior periods.

5

The amended guidance includes changes in the identification of the primary beneficiary of companies considered to be VIEs. These changes resulted in the Company concluding that Mt. Logan Re is a VIE given it has insufficient equity at risk and that each underlying separate segregated account is likewise a VIE.  The Company has concluded that it is the primary beneficiary of Mt. Logan Re, but not of the underlying separate segregated accounts and therefore has deconsolidated these segregated accounts.  This change had no impact to the net income or retained earnings of the Company.

All significant intercompany accounts and transactions have been eliminated.

Certain reclassifications and format changes have been made to prior years' amounts to conform to the 2017 presentation.

Application of Recently Issued Accounting Standard Changes.

Amortization of Bond Premium.  In March 2017, FASB issued ASU 2017-08 which outlines guidance on the amortization period for premium on callable debt securities.  The new guidance requires that the premium on callable debt securities be amortized through the earliest call date rather than through the maturity date of the callable security.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2019. The Company does not expect the adoption of ASU 2017-08 to have a material impact on its financial statements.

Presentation and Disclosure of Net Periodic Benefit Costs.  In March 2017, FASB issued ASU 2017-07 which outlines guidance on the presentation of net periodic costs of benefit plans.  The new guidance requires that the service cost component of net periodic benefit costs be reported within the same line item of the statements of operations as other compensation costs are reported.  Other components of net periodic benefit costs should be reported separately.  Footnote disclosure is required to state within which line items of the statements of operations the components are reported. The guidance is effective for annual and interim reporting periods beginning after December 15, 2017. The Company does not expect the adoption of ASU 2017-07 to have a material impact on its financial statements.

Disclosure of Restricted Cash.  In November 2016, FASB issued ASU 2016-18 which outlines guidance on the presentation in the statements of cash flows of changes in restricted cash. The new guidance requires that the statements of cash flows should reflect all changes in cash, cash equivalents and restricted cash in total and not segregated individually.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2017.  The Company does not expect the adoption of ASU 2016-18 to have a material impact on its financial statements.

Intra-Entity Asset Transfers.  In October 2016, FASB issued ASU 2016-16 which outlines guidance on the tax accounting for intra-entity asset sales and transfers, other than inventory.  The new guidance requires that reporting entities recognize tax expense from the intra-entity transfer of an asset in the seller's tax jurisdiction at the time of transfer and recognize any deferred tax asset in the buyer's tax jurisdiction at the time of transfer.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2017.  The Company does not expect the adoption of ASU 2016-16 to have a material impact on its financial statements.

Valuation of Financial Instruments.  In June 2016, FASB issued ASU 2016-13 which outlines guidance on the valuation of and accounting for assets measured at amortized cost and available for sale debt securities. The carrying value of assets measured at amortized cost will now be presented as the amount expected to be collected on the financial asset (amortized cost less an allowance for credit losses valuation account).  Available for sale debt securities will now record credit losses through an allowance for credit losses, which will be limited to the amount by which fair value is below amortized cost. The guidance is effective for annual and interim reporting periods beginning after December 15, 2019. The Company is currently evaluating the impact of the adoption of ASU 2016-13 on its financial statements.

6

Accounting for Share-Based Compensation. In March 2016, the FASB issued ASU 2016-09, authoritative guidance regarding the accounting for share-based compensation.  This guidance requires that the income tax effects resulting from the change in the value of share-based compensation awards between grant and settlement will be recorded as part of the Consolidated Statements of Operations and Comprehensive Income/(Loss).  Previously, excess tax benefits have been recorded as part of the additional paid in capital within the Consolidated Balance Sheets.  The guidance is effective for annual reporting periods beginning after December 15, 2016 and interim periods within that annual reporting period.  The Company has implemented this guidance prospectively as of January 1, 2017.  The guidance also requires that the cost of employee taxes paid via shares withheld upon settlement of share-based compensation awards must be shown as a financing activity within the Statements of Cash Flows.  The Company has implemented this guidance retrospectively as of January 1, 2017.

The following table presents certain financial statement line items as previously reported in 2016, the effect of those line items due to treating the cost of shares withheld upon settlement of share-based compensation awards as a financing activity with the Statements of Cash Flows and the line items as currently reported within the financial statements.

Consolidated Statements of Cash Flows:	Nine Months Ended September 30, 2016
				Effect of
				adoption of
	As previously			new accounting
	reported			policy			As adopted
(Dollars in thousands)
CASH FLOWS FROM OPERATING ACTIVITIES:
Change in other assets and liabilities, net	$	(164,782	)	$	10,017		$	(154,765	)
Net cash provided by (used in) operating activities		950,731			10,017			960,748
CASH FLOWS FROM FINANCING ACTIVITIES:
Cost of shares withheld for taxes on settlements of
share-based compensation awards		-			(10,017	)		(10,017	)
Net cash provided by (used in) financing activities		(518,210	)		(10,017	)		(528,227	)

Leases.  In February 2016, FASB issued ASU 2016-02 which outlines new guidance on the accounting for leases. The new guidance requires the recognition of lease assets and lease liabilities on the balance sheets for most leases that were previously deemed operating leases and required only lease expense presentation in the statements of operations.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2018.  The Company is currently evaluating the impact of the adoption of ASU 2016-02 on its financial statements.

Recognition and Measurement of Financial Instruments.  In January 2016, the FASB issued ASU 2016-01 which outlines revised guidance on the accounting for equity investments. The new guidance states that all equity investments in unconsolidated entities will be measures at fair value, with the change in value being recorded through the income statement rather than being recorded within other comprehensive income. The updated guidance is effective for annual and interim reporting periods beginning after December 15, 2017.  The Company is currently evaluating the impact of the adoption of ASU 2016-01 on its financial statements.

Disclosures about Short-Duration Contracts. In May 2015, the FASB issued ASU 2015-09, authoritative guidance regarding required disclosures associated with short duration insurance contracts.  The new disclosure requirements focus on information about initial claim estimates and subsequent claim estimate adjustment, methodologies in estimating claims and the timing, frequency and severity of claims related to short duration insurance contracts. This guidance is effective for annual reporting periods beginning after December 15, 2015 and interim reporting periods beginning after December 15, 2016.  The Company implemented this guidance effective in the fourth quarter of 2016.

7

Disclosures for Investments in Certain Entities that Calculate Net Asset Value Per Share.  In May 2015, the FASB issued ASU 2015-07, which removes the requirement to categorize, within the fair value hierarchy, investments for which fair values are estimated using the net asset value practical expedient provided by Accounting Standards Codification 820, Fair Value Measurement.  The updated guidance is effective for annual reporting periods beginning after December 15, 2015.  The adoption did not have a material impact on the Company's financial statements.

Debt Issuance Costs. In April 2015, The FASB issued ASU 2015–03, authoritative guidance on the presentation of debt issuance costs.  This guidance requires that debt issuance costs be presented within the balance sheet as a reduction of the carrying value of the debt liability, rather than as a separate asset.  This guidance is effective for annual reporting periods beginning after December 15, 2015 and related interim reporting periods.  The Company implemented this guidance effective in the second quarter of 2016.  The adoption did not have a material impact on the Company's financial statements.

Consolidation. In February 2015, the FASB issued ASU 2015-02, authoritative guidance regarding consolidation of reporting entities.  The new guidance focuses on the required evaluation of whether certain legal entities should be consolidated.  This guidance is effective for annual and interim reporting periods beginning after December 15, 2015.  Based upon this guidance, the Company has determined that the separate segregated accounts associated with Mt. Logan Re should not be consolidated.  The Company implemented the guidance effective January 1, 2016.

Revenue Recognition.  In May 2014, the FASB issued ASU 2014-09 which outlines revised guidance on the recognition of revenue arising from contracts with customers. The new guidance states that reporting entities should apply certain steps to determine when revenue should be recognized, based upon fulfillment of performance obligations to complete contracts. The updated guidance is effective for annual and interim reporting periods beginning after December 15, 2017. The Company does not expect the adoption of ASU 2014-09 to have a material impact on its financial statements.

Any issued guidance and pronouncements, other than those directly references above, are deemed by the Company to be either not applicable or immaterial to its financial statements.

3.     INVESTMENTS

The amortized cost, market value and gross unrealized appreciation and depreciation of available for sale, fixed maturity, equity security investments, carried at market value and other-than-temporary impairments ("OTTI") in accumulated other comprehensive income ("AOCI") are as follows for the periods indicated:

	At September 30, 2017
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,141,002	$	12,475	$	(6,608	)	$	1,146,869	$	-
Obligations of U.S. states and political subdivisions		652,525		24,061		(4,744	)		671,842		-
Corporate securities		5,599,904		108,072		(31,814	)		5,676,162		2,902
Asset-backed securities		555,451		1,390		(444	)		556,397		-
Mortgage-backed securities
Commercial		253,154		1,462		(1,825	)		252,791		-
Agency residential		2,390,238		13,680		(23,589	)		2,380,329		-
Non-agency residential		519		42		(44	)		517		-
Foreign government securities		1,317,697		46,225		(34,489	)		1,329,433		182
Foreign corporate securities		2,716,264		89,202		(41,631	)		2,763,835		961
Total fixed maturity securities	$	14,626,754	$	296,609	$	(145,188	)	$	14,778,175	$	4,045
Equity securities	$	128,116	$	2,542	$	(3,233	)	$	127,425	$	-

8

	At December 31, 2016
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,115,208	$	20,410	$	(5,303	)	$	1,130,315	$	-
Obligations of U.S. states and political subdivisions		723,938		18,016		(11,970	)		729,984		-
Corporate securities		5,059,388		131,651		(35,758	)		5,155,281		7,936
Asset-backed securities		488,824		1,110		(1,286	)		488,648		-
Mortgage-backed securities
Commercial		308,827		1,983		(3,878	)		306,932		-
Agency residential		2,415,901		17,478		(27,910	)		2,405,469		-
Non-agency residential		642		44		(45	)		641		-
Foreign government securities		1,254,175		61,226		(57,241	)		1,258,160		115
Foreign corporate securities		2,565,710		130,714		(64,446	)		2,631,978		1,184
Total fixed maturity securities	$	13,932,613	$	382,632	$	(207,837	)	$	14,107,408	$	9,235
Equity securities	$	129,553	$	2,298	$	(12,784	)	$	119,067	$	-

^(a)  Represents the amount of OTTI recognized in AOCI.  Amount includes unrealized gains and losses on impaired securities relating to changes in the value of such securities subsequent to the impairment measurement date.

The amortized cost and market value of fixed maturity securities are shown in the following table by contractual maturity.  Mortgage-backed securities are generally more likely to be prepaid than other fixed maturity securities. As the stated maturity of such securities may not be indicative of actual maturities, the totals for mortgage-backed and asset-backed securities are shown separately.

	At September 30, 2017				At December 31, 2016
	Amortized		Market		Amortized		Market
(Dollars in thousands)	Cost		Value		Cost		Value
Fixed maturity securities – available for sale:
Due in one year or less	$	1,091,257	$	1,095,288	$	956,945	$	966,970
Due after one year through five years		7,267,248		7,334,494		6,769,585		6,870,056
Due after five years through ten years		2,096,762		2,124,265		2,020,215		2,052,733
Due after ten years		972,125		1,034,094		971,674		1,015,959
Asset-backed securities		555,451		556,397		488,824		488,648
Mortgage-backed securities:
Commercial		253,154		252,791		308,827		306,932
Agency residential		2,390,238		2,380,329		2,415,901		2,405,469
Non-agency residential		519		517		642		641
Total fixed maturity securities	$	14,626,754	$	14,778,175	$	13,932,613	$	14,107,408

The changes in net unrealized appreciation (depreciation) for the Company's investments are derived from the following sources for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Increase (decrease) during the period between the market value and cost
of investments carried at market value, and deferred taxes thereon:
Fixed maturity securities	$	(13,993	)	$	(13,544	)	$	(18,184	)	$	324,147
Fixed maturity securities, other-than-temporary impairment		306			(1,836	)		(5,189	)		7,088
Equity securities		2,603			2,527			9,795			9,898
Other invested assets		1,595			-			2,860			-
Change in unrealized appreciation (depreciation), pre-tax		(9,489	)		(12,853	)		(10,718	)		341,133
Deferred tax benefit (expense)		(1,774	)		(256	)		11,343			(53,666	)
Deferred tax benefit (expense), other-than-temporary impairment		55			855			1,391			(1,470	)
Change in unrealized appreciation (depreciation),
net of deferred taxes, included in shareholders' equity	$	(11,208	)	$	(12,254	)	$	2,016		$	285,997

9

The Company frequently reviews all of its fixed maturity, available for sale securities for declines in market value and focuses its attention on securities whose fair value has fallen below 80% of their amortized cost at the time of review.  The Company then assesses whether the decline in value is temporary or other-than-temporary.  In making its assessment, the Company evaluates the current market and interest rate environment as well as specific issuer information.  Generally, a change in a security's value caused by a change in the market, interest rate or foreign exchange environment does not constitute an other-than-temporary impairment, but rather a temporary decline in market value.  Temporary declines in market value are recorded as unrealized losses in accumulated other comprehensive income (loss).  If the Company determines that the decline is other-than-temporary and the Company does not have the intent to sell the security; and it is more likely than not that the Company will not have to sell the security before recovery of its cost basis, the carrying value of the investment is written down to fair value.  The fair value adjustment that is credit or foreign exchange related is recorded in net realized capital gains (losses) in the Company's consolidated statements of operations and comprehensive income (loss).  The fair value adjustment that is non-credit related is recorded as a component of other comprehensive income (loss), net of tax, and is included in accumulated other comprehensive income (loss) in the Company's consolidated balance sheets.

The Company's assessments are based on the issuers' current and expected future financial position, timeliness with respect to interest and/or principal payments, speed of repayments and any applicable credit enhancements or breakeven constant default rates on mortgage-backed and asset-backed securities, as well as relevant information provided by rating agencies, investment advisors and analysts.

The majority of the Company's equity securities available for sale at market value are primarily comprised of mutual fund investments whose underlying securities consist of fixed maturity securities.  When a fund's value reflects an unrealized loss, the Company assesses whether the decline in value is temporary or other-than-temporary.  In making its assessment, the Company considers the composition of its portfolios and their related markets, reports received from the portfolio managers and discussions with portfolio managers.  If the Company determines that the declines are temporary and it has the ability and intent to continue to hold the investments, then the declines are recorded as unrealized losses in accumulated other comprehensive income (loss).  If declines are deemed to be other-than-temporary, then the carrying value of the investment is written down to fair value and recorded in net realized capital gains (losses) in the Company's consolidated statements of operations and comprehensive income (loss).

Retrospective adjustments are employed to recalculate the values of asset-backed securities. All of the Company's asset-backed and mortgage-backed securities have a pass-through structure.  Each acquisition lot is reviewed to recalculate the effective yield. The recalculated effective yield is used to derive a book value as if the new yield were applied at the time of acquisition. Outstanding principal factors from the time of acquisition to the adjustment date are used to calculate the prepayment history for all applicable securities. Conditional prepayment rates, computed with life to date factor histories and weighted average maturities, are used in the calculation of projected prepayments for pass-through security types.

10

The tables below display the aggregate market value and gross unrealized depreciation of fixed maturity and equity securities, by security type and contractual maturity, in each case subdivided according to length of time that individual securities had been in a continuous unrealized loss position for the periods indicated:

	Duration of Unrealized Loss at September 30, 2017 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	376,128	$	(4,865	)	$	53,039	$	(1,743	)	$	429,167	$	(6,608	)
Obligations of U.S. states and political subdivisions		89,509		(2,104	)		67,956		(2,640	)		157,465		(4,744	)
Corporate securities		1,214,762		(20,914	)		283,985		(10,900	)		1,498,747		(31,814	)
Asset-backed securities		189,752		(369	)		6,262		(75	)		196,014		(444	)
Mortgage-backed securities
Commercial		63,101		(540	)		40,432		(1,285	)		103,533		(1,825	)
Agency residential		1,345,113		(13,416	)		450,890		(10,173	)		1,796,003		(23,589	)
Non-agency residential		-		-			77		(44	)		77		(44	)
Foreign government securities		385,494		(14,007	)		258,478		(20,482	)		643,972		(34,489	)
Foreign corporate securities		660,017		(17,136	)		312,821		(24,495	)		972,838		(41,631	)
Total fixed maturity securities	$	4,323,876	$	(73,351	)	$	1,473,940	$	(71,837	)	$	5,797,816	$	(145,188	)
Equity securities		-		-			112,015		(3,233	)		112,015		(3,233	)
Total	$	4,323,876	$	(73,351	)	$	1,585,955	$	(75,070	)	$	5,909,831	$	(148,421	)

	Duration of Unrealized Loss at September 30, 2017 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	270,695	$	(848	)	$	123,092	$	(13,069	)	$	393,787	$	(13,917	)
Due in one year through five years		1,680,251		(31,686	)		644,557		(37,591	)		2,324,808		(69,277	)
Due in five years through ten years		639,836		(22,619	)		136,548		(6,469	)		776,384		(29,088	)
Due after ten years		135,128		(3,873	)		72,082		(3,131	)		207,210		(7,004	)
Asset-backed securities		189,752		(369	)		6,262		(75	)		196,014		(444	)
Mortgage-backed securities		1,408,214		(13,956	)		491,399		(11,502	)		1,899,613		(25,458	)
Total fixed maturity securities	$	4,323,876	$	(73,351	)	$	1,473,940	$	(71,837	)	$	5,797,816	$	(145,188	)

The aggregate market value and gross unrealized losses related to investments in an unrealized loss position at September 30, 2017 were $5,909,831 thousand and $148,421 thousand, respectively.  The market value of securities for the single issuer whose securities comprised the largest unrealized loss position at September 30, 2017, did not exceed 0.4% of the overall market value of the Company's fixed maturity securities.  In addition, as indicated on the above table, there was no significant concentration of unrealized losses in any one market sector.  The $73,351 thousand of unrealized losses related to fixed maturity securities that have been in an unrealized loss position for less than one year were generally comprised of domestic and foreign corporate securities, agency residential mortgage-backed securities and foreign government securities.  Of these unrealized losses, $69,276 thousand were related to securities that were rated investment grade by at least one nationally recognized statistical rating agency.  The $71,837 thousand of unrealized losses related to fixed maturity securities in an unrealized loss position for more than one year related primarily to domestic and foreign corporate securities, foreign government securities, and agency residential mortgage-backed securities.  Of these unrealized losses, $67,753 thousand were related to securities that were rated investment grade by at least one nationally recognized statistical rating agency.  The majority of these unrealized losses are attributable to net unrealized foreign exchange losses, as the U.S. dollar has strengthened against other currencies.  There was no gross unrealized depreciation for mortgage-backed securities related to sub-prime and alt-A loans.  In all instances, there were no projected cash flow shortfalls to recover the full book value of the investments and the related interest obligations.

11

The mortgage-backed securities still have excess credit coverage and are current on interest and principal payments.

The Company, given the size of its investment portfolio and capital position, does not have the intent to sell these securities; and it is more likely than not that the Company will not have to sell the securities before recovery of cost basis.  In addition, all securities currently in an unrealized loss position are current with respect to principal and interest payments.

The tables below display the aggregate market value and gross unrealized depreciation of fixed maturity and equity securities, by security type and contractual maturity, in each case subdivided according to length of time that individual securities had been in a continuous unrealized loss position for the periods indicated:

	Duration of Unrealized Loss at December 31, 2016 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	638,740	$	(5,303	)	$	-	$	-		$	638,740	$	(5,303	)
Obligations of U.S. states and political subdivisions		221,088		(11,486	)		564		(484	)		221,652		(11,970	)
Corporate securities		1,360,743		(24,023	)		177,153		(11,735	)		1,537,896		(35,758	)
Asset-backed securities		150,023		(565	)		18,786		(721	)		168,809		(1,286	)
Mortgage-backed securities
Commercial		143,554		(3,223	)		7,184		(655	)		150,738		(3,878	)
Agency residential		1,618,372		(22,461	)		189,665		(5,449	)		1,808,037		(27,910	)
Non-agency residential		-		-			113		(45	)		113		(45	)
Foreign government securities		360,289		(12,041	)		236,820		(45,200	)		597,109		(57,241	)
Foreign corporate securities		687,599		(12,769	)		295,500		(51,677	)		983,099		(64,446	)
Total fixed maturity securities	$	5,180,408	$	(91,871	)	$	925,785	$	(115,966	)	$	6,106,193	$	(207,837	)
Equity securities		-		-			105,507		(12,784	)		105,507		(12,784	)
Total	$	5,180,408	$	(91,871	)	$	1,031,292	$	(128,750	)	$	6,211,700	$	(220,621	)

	Duration of Unrealized Loss at December 31, 2016 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	178,281	$	(1,122	)	$	78,153	$	(14,318	)	$	256,434	$	(15,440	)
Due in one year through five years		2,123,113		(26,263	)		538,130		(84,803	)		2,661,243		(111,066	)
Due in five years through ten years		680,334		(22,555	)		86,631		(8,754	)		766,965		(31,309	)
Due after ten years		286,731		(15,682	)		7,123		(1,221	)		293,854		(16,903	)
Asset-backed securities		150,023		(565	)		18,786		(721	)		168,809		(1,286	)
Mortgage-backed securities		1,761,926		(25,684	)		196,962		(6,149	)		1,958,888		(31,833	)
Total fixed maturity securities	$	5,180,408	$	(91,871	)	$	925,785	$	(115,966	)	$	6,106,193	$	(207,837	)

The aggregate market value and gross unrealized losses related to investments in an unrealized loss position at December 31, 2016 were $6,211,700 thousand and $220,621 thousand, respectively.  The market value of securities for the single issuer whose securities comprised the largest unrealized loss position at December 31, 2016, did not exceed 1.1% of the overall market value of the Company's fixed maturity securities.  In addition, as indicated on the above table, there was no significant concentration of unrealized losses in any one market sector.  The $91,871 thousand of unrealized losses related to fixed maturity securities that have been in an unrealized loss position for less than one year were generally comprised of domestic and foreign corporate securities, agency residential mortgage-backed securities, foreign government securities and obligations of U.S. states and political subdivisions. Of these unrealized losses, $85,078 thousand were related to securities that were rated investment grade by at least one nationally recognized statistical rating agency. The $115,966 thousand of unrealized losses related to fixed

12

maturity securities in an unrealized loss position for more than one year related primarily to foreign government securities, foreign corporate securities and domestic corporate securities.  Of these unrealized losses $112,132 thousand is attributable to net unrealized foreign exchange losses, as the U.S. dollar has strengthened against other currencies.  There was no gross unrealized depreciation for mortgage-backed securities related to sub-prime and alt-A loans.  In all instances, there were no projected cash flow shortfalls to recover the full book value of the investments and the related interest obligations.  The mortgage-backed securities still have excess credit coverage and are current on interest and principal payments.

The components of net investment income are presented in the table below for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Fixed maturities	$	107,969		$	100,752		$	319,336		$	306,128
Equity securities		8,590			9,905			25,701			31,967
Short-term investments and cash		974			475			2,439			1,220
Other invested assets
Limited partnerships		23,315			17,077			54,373			33,922
Other		2,095			1,033			6,652			1,334
Gross investment income before adjustments		142,943			129,242			408,501			374,571
Funds held interest income (expense)		2,284			1,538			7,156			5,818
Future policy benefit reserve income (expense)		(280	)		(517	)		(1,015	)		(1,243	)
Gross investment income		144,947			130,263			414,642			379,146
Investment expenses		(7,974	)		(7,606	)		(20,872	)		(21,228	)
Net investment income	$	136,973		$	122,657		$	393,770		$	357,918

The Company records results from limited partnership investments on the equity method of accounting with changes in value reported through net investment income.  Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.  If the Company determines there has been a significant decline in value of a limited partnership during this lag period, a loss will be recorded in the period in which the Company identifies the decline.

The Company had contractual commitments to invest up to an additional $663,222 thousand in limited partnerships at September 30, 2017.  These commitments will be funded when called in accordance with the partnership agreements, which have investment periods that expire, unless extended, through 2023.

The Company's other invested assets at September 30, 2017 and December 31, 2016 included $367,966 thousand and $378,862 thousand, respectively, related to a private placement liquidity sweep facility.  The primary purpose of the facility is to enhance the Company's return on its short-term investments and cash positions.  The facility invests in high quality, short-duration securities and permits daily liquidity.

13

The components of net realized capital gains (losses) are presented in the table below for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Fixed maturity securities, market value:
Other-than-temporary impairments	$	(1,485	)	$	(867	)	$	(5,188	)	$	(31,130	)
Gains (losses) from sales		7,998			5,912			32,913			(7,670	)
Fixed maturity securities, fair value:
Gains (losses) from sales		-			(1	)		-			(1,855	)
Gains (losses) from fair value adjustments		-			42			-			1,381
Equity securities, market value:
Gains (losses) from sales		-			-			(3,436	)		65
Equity securities, fair value:
Gains (losses) from sales		(1,525	)		5,850			3,796			(10,266	)
Gains (losses) from fair value adjustments		36,463			17,475			91,367			36,284
Sale of subsidiary		-			(28,032	)		-			(28,032	)
Other invested assets		85			-			84			-
Short-term investments gain (loss)		(1	)		1			(5	)		2
Total net realized capital gains (losses)	$	41,535		$	380		$	119,531		$	(41,221	)

The Company recorded as net realized capital gains (losses) in the consolidated statements of operations and comprehensive income (loss) both fair value re-measurements and write-downs in the value of securities deemed to be impaired on an other-than-temporary basis as displayed in the table above.  The Company had no other-than-temporary impaired securities where the impairment had both a credit and non-credit component.

The proceeds and split between gross gains and losses, from sales of fixed maturity and equity securities, are presented in the table below for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Proceeds from sales of fixed maturity securities	$	700,728		$	293,998		$	1,691,937		$	890,349
Gross gains from sales		13,743			15,028			46,321			32,674
Gross losses from sales		(5,745	)		(9,117	)		(13,408	)		(42,199	)
Proceeds from sales of equity securities	$	57,861		$	112,451		$	334,889		$	542,715
Gross gains from sales		2,258			7,308			14,351			14,040
Gross losses from sales		(3,783	)		(1,458	)		(13,991	)		(24,241	)

14

4.      RESERVE FOR LOSSES, LAE AND FUTURE POLICY BENEFIT RESERVE

Activity in the reserve for losses and LAE is summarized for the periods indicated:

	Nine Months Ended			Twelve Months Ended
	September 30,			December 31,
(Dollars in thousands)	2017			2016
Gross reserves at beginning of period	$	10,312,313		$	9,951,798
Less reinsurance recoverables		(990,862	)		(881,503	)
Net reserves at beginning of period		9,321,451			9,070,295
Incurred related to:
Current year		3,843,434			3,434,964
Prior years		(1,289	)		(295,335	)
Total incurred losses and LAE		3,842,145			3,139,629
Paid related to:
Current year		948,897			745,642
Prior years		1,265,713			2,042,972
Total paid losses and LAE		2,214,610			2,788,614
Foreign exchange/translation adjustment		208,246			(99,859	)
Net reserves at end of period		11,157,232			9,321,451
Plus reinsurance recoverables		1,298,125			990,862
Gross reserves at end of period	$	12,455,357		$	10,312,313

Current year incurred losses were $3,843,434 thousand for the nine months ended September 30, 2017 compared to $3,434,964 thousand for the full year 2016.  The increase in current year incurred losses was primarily due to $1,443,746 thousand of catastrophe losses incurred in the nine months ended September 30, 2017, mainly related to Hurricane Irma, Hurricane Maria, Hurricane Harvey and the Mexico City earthquake.  The $307,263 thousand increase in reinsurance recoverables from December 31, 2016 is primarily due to recoverables from these catastrophe losses.

Incurred prior years' reserves decreased by $1,289 thousand and $295,335 thousand for the nine months ended September 30, 2017 and for the twelve months ended December 31, 2016, respectively.  The decrease for the twelve months ended December 31, 2016 was attributable to favorable development in the reinsurance segments of $468,749 thousand related primarily to property and short-tail business in the U.S., property business in Canada, Latin America, Middle East and Africa, as well as favorable development on prior year catastrophe losses, partially offset by $53,909 thousand of adverse development on asbestos and environmental ("A&E") reserves.  Part of the favorable development in the reinsurance segments related to the 2015 loss from the explosion at the Chinese port of Tianjin.  In 2015, this loss was originally estimated to be $60,000 thousand.  At December 31, 2016, this loss was projected to be $16,720 thousand resulting in $43,280 thousand of favorable development in 2016.  The net favorable development in the reinsurance segments was partially offset by $173,414 thousand of unfavorable development in the insurance segment primarily related to run-off construction liability and umbrella program business.

15

5.     DERIVATIVES

The Company sold seven equity index put option contracts, based on two indices, in 2001 and 2005.  The Company sold these equity index put options as insurance products with the intent of achieving a profit.  These equity index put option contracts meet the definition of a derivative under FASB guidance and the Company's position in these equity index put option contracts is unhedged.  Accordingly, these equity index put option contracts are carried at fair value in the consolidated balance sheets with changes in fair value recorded in the consolidated statements of operations and comprehensive income (loss).  One of these contracts expired on June 9, 2017, with no liability due under the terms of the contract.

The Company has five remaining equity index put option contracts, based on the Standard & Poor's 500 ("S&P 500") index.  Based on historical index volatilities and trends and the September 30, 2017 S&P 500 index value, the Company estimates the probability that each equity index put option contract of the S&P 500 index falling below the strike price on the exercise date to be less than 2%.  The theoretical maximum payouts under these five equity index put option contracts would occur if on each of the exercise dates the S&P 500 index value were zero.  At September 30, 2017, the present value of these theoretical maximum payouts using a 3% discount factor was $397,561 thousand.  Conversely, if the contracts had all expired on September 30, 2017, with the S&P index at $2,519.36, there would have been no settlement amount.

The Company has one equity index put option contract based on the FTSE 100 index.  Based on historical index volatilities and trends and the September 30, 2017 FTSE 100 index value, the Company estimates the probability that the equity index put option contract of the FTSE 100 index will fall below the strike price on the exercise date to be less than 15%.  The theoretical maximum payout under the equity index put option contract would occur if on the exercise date the FTSE 100 index value was zero.  At September 30, 2017, the present value of the theoretical maximum payout using a 3% discount factor and current exchange rate was $41,134 thousand.  Conversely, if the contract had expired on September 30, 2017, with the FTSE index at ₤7,372.76, there would have been no settlement amount.

At September 30, 2017 and December 31, 2016, the fair value for these equity put options was $16,006 thousand and $22,059 thousand, respectively.

The fair value of the equity index put options can be found in the Company's consolidated balance sheets as follows:

(Dollars in thousands)
Derivatives not designated as	Location of fair value	At		At
hedging instruments	in balance sheets	September 30, 2017		December 31, 2016
Equity index put option contracts	Equity index put option liability	$	16,006	$	22,059
Total		$	16,006	$	22,059

The change in fair value of the equity index put option contracts can be found in the Company's statement of operations and comprehensive income (loss) as follows:

(Dollars in thousands)		For the Three Months Ended				For the Nine Months Ended
Derivatives not designated as	Location of gain (loss) in statements of	September 30,				September 30,
hedging instruments	operations and comprehensive income (loss)	2017		2016		2017		2016
Equity index put option contracts	Net derivative gain (loss)	$	2,656	$	6,510	$	6,052	$	5,486
Total		$	2,656	$	6,510	$	6,052	$	5,486

16

6.     FAIR VALUE

GAAP guidance regarding fair value measurements address how companies should measure fair value when they are required to use fair value measures for recognition or disclosure purposes under GAAP and provides a common definition of fair value to be used throughout GAAP.  It defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly fashion between market participants at the measurement date.  In addition, it establishes a three-level valuation hierarchy for the disclosure of fair value measurements.  The valuation hierarchy is based on the transparency of inputs to the valuation of an asset or liability.  The level in the hierarchy within which a given fair value measurement falls is determined based on the lowest level input that is significant to the measurement, with Level 1 being the highest priority and Level 3 being the lowest priority.

The levels in the hierarchy are defined as follows:

Level 1: Inputs to the valuation methodology are observable inputs that reflect unadjusted quoted prices for identical assets or liabilities in an active market;

Level 2: Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument;

Level 3: Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The Company's fixed maturity and equity securities are primarily managed by third party investment asset managers.  The investment asset managers obtain prices from nationally recognized pricing services.   These services seek to utilize market data and observations in their evaluation process.  They use pricing applications that vary by asset class and incorporate available market information and when fixed maturity securities do not trade on a daily basis the services will apply available information through processes such as benchmark curves, benchmarking of like securities, sector groupings and matrix pricing.  In addition, they use model processes, such as the Option Adjusted Spread model to develop prepayment and interest rate scenarios for securities that have prepayment features.

In limited instances where prices are not provided by pricing services or in rare instances when a manager may not agree with the pricing service, price quotes on a non-binding basis are obtained from investment brokers.  The investment asset managers do not make any changes to prices received from either the pricing services or the investment brokers.  In addition, the investment asset managers have procedures in place to review the reasonableness of the prices from the service providers and may request verification of the prices.  In addition, the Company continually performs analytical reviews of price changes and tests the prices on a random basis to an independent pricing source.  No material variances were noted during these price validation procedures.  In limited situations, where financial markets are inactive or illiquid, the Company may use its own assumptions about future cash flows and risk-adjusted discount rates to determine fair value.  Due to the unavailability of prices for fifty-one private placement securities, the investment manager's valuation committee valued the fifty securities at $105,987 thousand at September 30, 2017.  In addition, the Company valued one private placement security at $51,965 thousand, representing par value.  Due to the unavailability of prices for forty-two private placement securities, the investment manager's valuation committee valued the forty-two securities at $86,536 thousand at December 31, 2016.

The Company internally manages a public equity portfolio which had a fair value at September 30, 2017 and December 31, 2016 of $361,608 thousand and $256,041 thousand, respectively, and all prices were obtained from publically published sources.

17

Equity securities denominated in U.S. currency with quoted prices in active markets for identical assets are categorized as level 1 since the quoted prices are directly observable.  Equity securities traded on foreign exchanges are categorized as level 2 due to the added input of a foreign exchange conversion rate to determine fair or market value.  The Company uses foreign currency exchange rates published by nationally recognized sources.

All categories of fixed maturity securities listed in the tables below are generally categorized as level 2, since a particular security may not have traded but the pricing services are able to use valuation models with observable market inputs such as interest rate yield curves and prices for similar fixed maturity securities in terms of issuer, maturity and seniority.  For foreign government securities and foreign corporate securities, the fair values provided by the third party pricing services in local currencies, and where applicable, are converted to U.S. dollars using currency exchange rates from nationally recognized sources.

The fixed maturities with fair values categorized as level 3 result when prices are not available from the nationally recognized pricing services.  The asset managers will then obtain non-binding price quotes for the securities from brokers. The single broker quotes are provided by market makers or broker-dealers who are recognized as market participants in the markets in which they are providing the quotes.  The prices received from brokers are reviewed for reasonableness by the third party asset managers and the Company.  If the broker quotes are for foreign denominated securities, the quotes are converted to U.S. dollars using currency exchange rates from nationally recognized sources.  In limited circumstances when broker prices are not available for private placements, the Company will value the securities using comparable market information.

The composition and valuation inputs for the presented fixed maturities categories are as follows:

· U.S. Treasury securities and obligations of U.S. government agencies and corporations are primarily comprised of U.S. Treasury bonds and the fair value is based on observable market inputs such as quoted prices, reported trades, quoted prices for similar issuances or benchmark yields;

· Obligations of U.S. states and political subdivisions are comprised of state and municipal bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities, benchmark yields and credit spreads;

· Corporate securities are primarily comprised of U.S. corporate and public utility bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities, benchmark yields and credit spreads;

· Asset-backed and mortgage-backed securities fair values are based on observable inputs such as quoted prices, reported trades, quoted prices for similar issuances or benchmark yields and cash flow models using observable inputs such as prepayment speeds, collateral performance and default spreads;

· Foreign government securities are comprised of global non-U.S. sovereign bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities and models with observable inputs such as benchmark yields and credit spreads and then, where applicable, converted to U.S. dollars using an exchange rate from a nationally recognized source;

· Foreign corporate securities are comprised of global non-U.S. corporate bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities and models with observable inputs such as benchmark yields and credit spreads and then, where applicable, converted to U.S. dollars using an exchange rate from a nationally recognized source.

18

The Company sold seven equity index put option contracts, based on two indices, in 2001 and 2005.  The Company sold these equity index put options as insurance products with the intent of achieving a profit.  These equity index put option contracts meet the definition of a derivative under FASB guidance and the Company's position in these equity index put option contracts is unhedged.  Accordingly, these equity index put option contracts are carried at fair value in the consolidated balance sheets with changes in fair value recorded in the consolidated statements of operations and comprehensive income (loss).  One of these contracts expired on June 9, 2017, with no liability due under the terms of the contract.

The Company's liability for equity index put options is categorized as level 3 since there is no active market for these equity put options.  The fair values for these options are calculated by the Company using an industry accepted pricing model, Black-Scholes.  The model inputs and assumptions are: risk free interest rates, equity market indexes values, volatilities and dividend yields and duration.  The model results are then adjusted for the Company's credit default swap rate.  All of these inputs and assumptions are updated quarterly.  One of the option contacts is in British Pound Sterling so the fair value for this contract is converted to U.S. dollars using an exchange rate from a nationally recognized source.

The following table presents the fair value measurement levels for all assets and liabilities, which the Company has recorded at fair value (fair and market value) as of the periods indicated:

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	September 30, 2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Fixed maturities, market value
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,146,869	$	-	$	1,146,869	$	-
Obligations of U.S. States and political subdivisions		671,842		-		671,842		-
Corporate securities		5,676,162		-		5,522,128		154,034
Asset-backed securities		556,397		-		556,397		-
Mortgage-backed securities
Commercial		252,791		-		252,791		-
Agency residential		2,380,329		-		2,380,329		-
Non-agency residential		517		-		517		-
Foreign government securities		1,329,433		-		1,329,433		-
Foreign corporate securities		2,763,835		-		2,759,917		3,918
Total fixed maturities, market value		14,778,175		-		14,620,223		157,952
Equity securities, market value		127,425		112,015		15,410		-
Equity securities, fair value		1,141,146		1,094,754		46,392		-
Liabilities:
Equity index put option contracts	$	16,006	$	-	$	-	$	16,006

There were no transfers between Level 1 and Level 2 for the nine months ended September 30, 2017.

19

The following table presents the fair value measurement levels for all assets and liabilities, which the Company has recorded at fair value (fair and market value) as of the periods indicated:

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	December 31, 2016		(Level 1)		(Level 2)		(Level 3)
Assets:
Fixed maturities, market value
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,130,315	$	-	$	1,130,315	$	-
Obligations of U.S. States and political subdivisions		729,984		-		729,984		-
Corporate securities		5,155,281		-		5,090,084		65,197
Asset-backed securities		488,648		-		488,648		-
Mortgage-backed securities
Commercial		306,932		-		306,932		-
Agency residential		2,405,469		-		2,405,469		-
Non-agency residential		641		-		641		-
Foreign government securities		1,258,160		-		1,258,160		-
Foreign corporate securities		2,631,978		-		2,629,440		2,538
Total fixed maturities, market value		14,107,408		-		14,039,673		67,735
Equity securities, market value		119,067		105,507		13,560		-
Equity securities, fair value		1,010,085		949,523		60,562		-
Liabilities:
Equity index put option contracts	$	22,059	$	-	$	-	$	22,059

In addition, $70,657 thousand and $18,801 thousand of investments within other invested assets on the consolidated balance sheets as of September 30, 2017 and December 31, 2016, respectively, are not included within the fair value hierarchy tables as the assets are valued using the NAV practical expedient guidance within ASU 2015-07.

20

The following tables present the activity under Level 3, fair value measurements using significant unobservable inputs by asset type, for the periods indicated:

	Three Months Ended September 30, 2017								Nine Months Ended September 30, 2017
	Corporate		Foreign						Corporate		Foreign
(Dollars in thousands)	Securities		Corporate			Total			Securities		Corporate			Total
Beginning balance	$	138,105	$	3,151		$	141,256		$	65,197	$	2,538		$	67,735
Total gains or (losses) (realized/unrealized)
Included in earnings		283		209			492			1,208		313			1,521
Included in other comprehensive income (loss)		18		(184	)		(166	)		161		(184	)		(23	)
Purchases, issuances and settlements		15,628		742			16,370			87,468		1,251			88,719
Transfers in and/or (out) of Level 3		-		-			-			-		-			-
Ending balance	$	154,034	$	3,918		$	157,952		$	154,034	$	3,918		$	157,952
The amount of total gains or losses for the period
included in earnings (or changes in net assets)
attributable to the change in unrealized gains
or losses relating to assets still held
at the reporting date	$	-	$	-		$	-		$	-	$	-		$	-
(Some amounts may not reconcile due to rounding.)

	Three Months Ended September 30, 2016												Nine Months Ended September 30, 2016
	Corporate						Foreign						Corporate						Foreign
(Dollars in thousands)	Securities			CMBS			Corporate			Total			Securities			CMBS			Corporate			Total
Beginning balance	$	32,410		$	-		$	2,021		$	34,431		$	3,933		$	-		$	1,593		$	5,526
Total gains or (losses) (realized/unrealized)
Included in earnings		(12	)		-			27			15			(22	)		-			(970	)		(992	)
Included in other comprehensive income (loss)		(48	)		(38	)		(1,285	)		(1,371	)		(81	)		(38	)		140			21
Purchases, issuances and settlements		25,877			(44	)		2,231			28,064			54,397			(44	)		2,231			56,584
Transfers in and/or (out) of Level 3		(1,932	)		3,947			-			2,015			(1,932	)		3,947			-			2,015
Ending balance	$	56,295		$	3,865		$	2,994		$	63,154		$	56,295		$	3,865		$	2,994		$	63,154
The amount of total gains or losses for the period
included in earnings (or changes in net assets)
attributable to the change in unrealized gains
or losses relating to assets still held
at the reporting date	$	-		$	-		$	-		$	-		$	-		$	-		$	(997	)	$	(997	)
(Some amounts may not reconcile due to rounding.)

The net transfers to/(from) level 3, fair value measurements using significant unobservable inputs were $0 thousand and $2,015 thousand of investments for the nine months ended September 30, 2017 and 2016, respectively.  The $2,015 thousand of investments for the nine months ended September 30, 2016 related to the net impact of securities no longer priced by a recognized pricing service.

21

The following table presents the activity under Level 3, fair value measurements using significant unobservable inputs for equity index put option contracts, for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Liabilities:
Balance, beginning of period	$	18,662		$	41,729		$	22,059		$	40,705
Total (gains) or losses (realized/unrealized)
Included in earnings		(2,656	)		(6,510	)		(6,052	)		(5,486	)
Included in other comprehensive income (loss)		-			-			-			-
Purchases, issuances and settlements		-			-			-			-
Transfers in and/or (out) of Level 3		-			-			-			-
Balance, end of period	$	16,006		$	35,219		$	16,006		$	35,219
The amount of total gains or losses for the period included in earnings
(or changes in net assets) attributable to the change in unrealized
gains or losses relating to liabilities still held at the reporting date	$	-		$	-		$	-		$	-
(Some amounts may not reconcile due to rounding.)

7.     EARNINGS PER COMMON SHARE

Basic earnings per share are calculated by dividing net income by the weighted average number of common shares outstanding.  Diluted earnings per share reflect the potential dilution that would occur if options granted under various share-based compensation plans were exercised resulting in the issuance of common shares that would participate in the earnings of the entity.

Net income (loss) per common share has been computed as per below, based upon weighted average common basic and dilutive shares outstanding.  The dilutive calculation is not applicable for the three and nine months ended September 30, 2017 due to net losses.

		Three Months Ended						Nine Months Ended
		September 30,						September 30,
(Dollars in thousands, except per share amounts)		2017			2016			2017			2016
Net income (loss) per share:
Numerator
Net income (loss)		$	(639,374	)	$	295,394		$	(102,057	)	$	622,772
Less:  dividends declared-common shares and nonvested common shares			(51,302	)		(47,463	)		(153,887	)		(144,299	)
Undistributed earnings			(690,676	)		247,932			(255,944	)		478,472
Percentage allocated to common shareholders (1)			100.0	%		98.9	%		100.0	%		98.9	%
			(690,676	)		245,248			(255,944	)		473,372
Add:  dividends declared-common shareholders			51,302			46,985			153,887			142,839
Numerator for basic and diluted earnings per common share		$	(639,374	)	$	292,233		$	(102,057	)	$	616,211
Denominator
Denominator for basic earnings per weighted-average common shares			40,638			41,101			40,597			41,626
Effect of dilutive securities:
Options			245			284			255			305
Denominator for diluted earnings per adjusted weighted-average common shares			40,883			41,386			40,852			41,931
Per common share net income (loss)
Basic		$	(15.73	)	$	7.11		$	(2.51	)	$	14.80
Diluted		$	(15.73	)	$	7.06		$	(2.51	)	$	14.70
(1)	Basic weighted-average common shares outstanding		40,638			41,101			40,597			41,626
	Basic weighted-average common shares outstanding and nonvested common shares expected to vest		40,638			41,551			40,597			42,074
	Percentage allocated to common shareholders		100.0	%		98.9	%		100.0	%		98.9	%
(Some amounts may not reconcile due to rounding.)

22

There were no anti-diluted options outstanding for the three and nine months ended September 30, 2017 and 2016.

All outstanding options expire on or between February 20, 2018 and September 19, 2022.

8.     COMMITMENTS AND CONTINGENCIES

In the ordinary course of business, the Company is involved in lawsuits, arbitrations and other formal and informal dispute resolution procedures, the outcomes of which will determine the Company's rights and obligations under insurance and reinsurance agreements.  In some disputes, the Company seeks to enforce its rights under an agreement or to collect funds owing to it.  In other matters, the Company is resisting attempts by others to collect funds or enforce alleged rights.  These disputes arise from time to time and are ultimately resolved through both informal and formal means, including negotiated resolution, arbitration and litigation.  In all such matters, the Company believes that its positions are legally and commercially reasonable.  The Company considers the statuses of these proceedings when determining its reserves for unpaid loss and loss adjustment expenses.

Aside from litigation and arbitrations related to these insurance and reinsurance agreements, the Company is not a party to any other material litigation or arbitration.

The Company has entered into separate annuity agreements with The Prudential Insurance of America ("The Prudential") and an additional unaffiliated life insurance company in which the Company has either purchased annuity contracts or become the assignee of annuity proceeds that are meant to settle claim payment obligations in the future.  In both instances, the Company would become contingently liable if either The Prudential or the unaffiliated life insurance company were unable to make payments related to the respective annuity contract.

The table below presents the estimated cost to replace all such annuities for which the Company was contingently liable for the periods indicated:

	At September 30,		At December 31,
(Dollars in thousands)	2017		2016
The Prudential	$	144,331	$	146,507
Unaffiliated life insurance company		33,769		33,860

23

9.    OTHER COMPREHENSIVE INCOME (LOSS)

The following tables present the components of comprehensive income (loss) in the consolidated statements of operations for the periods indicated:

	Three Months Ended September 30, 2017									Nine Months Ended September 30, 2017
(Dollars in thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary	$	(3,197	)	$	(2,835	)	$	(6,032	)	$	18,844		$	3,699		$	22,543
URA(D) on securities - OTTI		306			55			361			(5,189	)		1,391			(3,798	)
Reclassification of net realized losses (gains) included in net income (loss)		(6,598	)		1,061			(5,537	)		(24,373	)		7,644			(16,729	)
Foreign currency translation adjustments		96,022			(18,458	)		77,564			148,395			(23,271	)		125,124
Benefit plan actuarial net gain (loss)		-			-			-			-			-			-
Reclassification of benefit plan liability amortization included in net income (loss)		2,107			(738	)		1,369			8,273			(2,896	)		5,377
Total other comprehensive income (loss)	$	88,640		$	(20,915	)	$	67,725		$	145,950		$	(13,433	)	$	132,517

	Three Months Ended September 30, 2016									Nine Months Ended September 30, 2016
(Dollars in thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax		Tax Effect			Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary	$	(5,972	)	$	(2,079	)	$	(8,051	)	$	295,311	$	(42,643	)	$	252,668
URA(D) on securities - OTTI		(1,836	)		855			(981	)		7,088		(1,470	)		5,618
Reclassification of net realized losses (gains) included in net income (loss)		(5,045	)		1,823			(3,222	)		38,734		(11,023	)		27,711
Foreign currency translation adjustments		1,393			1,423			2,816			32,601		(14,962	)		17,639
Benefit plan actuarial net gain (loss)		-			-			-			-		-			-
Reclassification of benefit plan liability amortization included in net income (loss)		1,951			(683	)		1,268			6,076		(2,127	)		3,949
Total other comprehensive income (loss)	$	(9,510	)	$	1,340		$	(8,170	)	$	379,809	$	(72,224	)	$	307,585

The following table presents details of the amounts reclassified from AOCI for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,						Affected line item within the statements of
AOCI component	2017			2016			2017			2016			operations and comprehensive income (loss)
(Dollars in thousands)
URA(D) on securities	$	(6,598	)	$	(5,045	)	$	(24,373	)	$	38,734		Other net realized capital gains (losses)
		1,061			1,823			7,644			(11,023	)	Income tax expense (benefit)
	$	(5,537	)	$	(3,222	)	$	(16,729	)	$	27,711		Net income (loss)
Benefit plan net gain (loss)	$	2,107		$	1,951		$	8,273		$	6,076		Other underwriting expenses
		(738	)		(683	)		(2,896	)		(2,127	)	Income tax expense (benefit)
	$	1,369		$	1,268		$	5,377		$	3,949		Net income (loss)

24

The following table presents the components of accumulated other comprehensive income (loss), net of tax, in the consolidated balance sheets for the periods indicated:

	Nine Months Ended			Twelve Months Ended
	September 30,			December 31,
(Dollars in thousands)	2017			2016
Beginning balance of URA (D) on securities	$	115,558		$	42,811
Current period change in URA (D) of investments - temporary		5,814			66,802
Current period change in URA (D) of investments - non-credit OTTI		(3,798	)		5,945
Ending balance of URA (D) on securities		117,574			115,558
Beginning balance of foreign currency translation adjustments		(266,818	)		(211,477	)
Current period change in foreign currency translation adjustments		125,124			(55,341	)
Ending balance of foreign currency translation adjustments		(141,694	)		(266,818	)
Beginning balance of benefit plan net gain (loss)		(65,504	)		(63,089	)
Current period change in benefit plan net gain (loss)		5,377			(2,415	)
Ending balance of benefit plan net gain (loss)		(60,127	)		(65,504	)
Ending balance of accumulated other comprehensive income (loss)	$	(84,247	)	$	(216,764	)

10.  CREDIT FACILITIES

The Company has two active credit facilities for a total commitment of up to $1,000,000 thousand and an additional credit facility for a total commitment of up to £145,000 thousand, providing for the issuance of letters of credit and/or unsecured revolving credit lines. The following table presents the interest and fees incurred in connection with the two credit facilities for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Credit facility interest and fees incurred	$	105	$	35	$	315	$	618

The terms and outstanding amounts for each facility are discussed below:

Group Credit Facility

Effective May 26, 2016, Group, Everest Reinsurance (Bermuda), Ltd. ("Bermuda Re") and Everest International Reinsurance, Ltd. ("Everest International"), both direct subsidiaries of Group, entered into a five year, $800,000 thousand senior credit facility with a syndicate of lenders, which amended and restated in its entirety the June 22, 2012, four year, $800,000 thousand senior credit facility.  Both the May 26, 2016 and June 22, 2012 senior credit facilities, which have similar terms, are referred to as the "Group Credit Facility".  Wells Fargo Corporation ("Wells Fargo Bank") is the administrative agent for the Group Credit Facility, which consists of two tranches.  Tranche one provides up to $200,000 thousand of unsecured revolving credit for liquidity and general corporate purposes, and for the issuance of unsecured standby letters of credit.  The interest on the revolving loans shall, at the Company's option, be either (1) the Base Rate (as defined below) or (2) an adjusted London Interbank Offered Rate ("LIBOR") plus a margin.  The Base Rate is the higher of (a) the prime commercial lending rate established by Wells Fargo Bank, (b) the Federal Funds Rate plus 0.5% per annum or (c) the one month LIBOR Rate plus 1.0% per annum. The amount of margin and the fees payable for the Group Credit Facility depends on Group's senior unsecured debt rating.  Tranche two exclusively provides up to $600,000 thousand for the issuance of standby letters of credit on a collateralized basis.

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The Group Credit Facility requires Group to maintain a debt to capital ratio of not greater than 0.35 to 1 and to maintain a minimum net worth.  Minimum net worth is an amount equal to the sum of $5,370,979 thousand plus 25% of consolidated net income for each of Group's fiscal quarters, for which statements are available ending on or after March 31, 2016 and for which consolidated net income is positive, plus 25% of any increase in consolidated net worth during such period attributable to the issuance of ordinary and preferred shares, which at September 30, 2017, was $5,723,052 thousand.  As of September 30, 2017, the Company was in compliance with all Group Credit Facility covenants.

(Dollars in thousands)		At September 30, 2017					At December 31, 2016
Bank		Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Wells Fargo Bank Group Credit Facility	Tranche One	$	200,000	$	-		$	200,000	$	-
	Tranche Two		600,000		507,916	12/31/2017		600,000		478,233	12/31/2017
Total Wells Fargo Bank Group Credit Facility		$	800,000	$	507,916		$	800,000	$	478,233

Bermuda Re Letter of Credit Facility

Effective December 30, 2016, Bermuda Re renewed its letter of credit issuance facility with Citibank N.A. referred to as the "Bermuda Re Letter of Credit Facility", which commitment is reconfirmed annually with updated fees.  The current renewal of the Bermuda Re Letter of Credit Facility provides for the issuance of up to $200,000 thousand of secured letters of credit to collateralize reinsurance obligations as a non-admitted reinsurer.  The interest on drawn letters of credit shall be (A) 0.35% per annum of the principal amount of issued standard letters of credit (expiry of 15 months or less) and (B) 0.45% per annum of the principal amount of issued extended tenor letters of credit (expiry maximum of up to 60 months).  The commitment fee on undrawn credit shall be 0.15% per annum.

The following table summarizes the outstanding letters of credit for the periods indicated:

(Dollars in thousands)	At September 30, 2017					At December 31, 2016
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Citibank Bilateral Letter of Credit Agreement	$	200,000	$	3,672	11/24/2017	$	200,000	$	4,058	2/28/2017
				68,353	12/31/2017				3,672	11/24/2017
				3,297	2/28/2018				69,404	12/31/2017
				353	8/30/2018				269	8/30/2018
				4,019	12/31/2018				1,163	12/31/2018
				105,485	9/30/2021				93,180	12/30/2020
Total Citibank Bilateral Agreement	$	200,000	$	185,179		$	200,000	$	171,746

Everest International Credit Facility

Effective November 9, 2016, Everest International renewed its credit facility with Lloyds Bank plc ("Everest International Credit Facility"). The current renewal of the Everest International Credit Facility, along with a May 17, 2017 amendment, has a four year term and provides up to £145,000 thousand for the issuance of standby letters of credit on a collateralized basis.  The Company pays a commitment fee of 0.1% per annum on the average daily amount of the remainder of (1) the aggregate amount available under the facility and (2) the aggregate amount of drawings outstanding under the facility.  The Company pays a credit commission fee of 0.35% per annum on drawings outstanding under the facility.

The Everest International Credit Facility requires Group to maintain a debt to capital ratio of not greater than 0.35 to 1 and to maintain a minimum net worth.  Minimum net worth is an amount equal to the sum of $5,326,009 thousand (70% of consolidated net worth as of December 31, 2015), plus 25% of consolidated net income for each of Group's fiscal quarters, for which statements are available ending on or after January 1, 2015 and for which net income is positive, plus 25% of any increase in consolidated net worth of Group during such period attributable to the issuance of ordinary and preferred shares, which at September 30, 2017, was $5,723,052 thousand. As of September 30, 2017, the Company was in compliance with all Everest International Credit Facility requirements.

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The following table summarizes the outstanding letters of credit for the periods indicated:

(Dollars in thousands)	At September 30, 2017					At December 31, 2016
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Lloyds Bank plc	£	145,000	£	140,964	12/31/2020	£	140,000	£	130,606	12/31/2019
		-		-			-		-
Total Lloyds Bank plc Credit Facility	£	145,000	£	140,964		£	140,000	£	130,606

11.  COLLATERALIZED REINSURANCE AND TRUST AGREEMENTS

Certain subsidiaries of Group have established trust agreements, which effectively use the Company's investments as collateral, as security for assumed losses payable to certain non-affiliated ceding companies.  At September 30, 2017, the total amount on deposit in trust accounts was $794,469 thousand.

The Company reinsures some of its catastrophe exposures with the segregated accounts of Mt. Logan Re.  Mt. Logan Re is a Class 3 insurer registered in Bermuda effective February 27, 2013 under The Segregated Accounts Companies Act 2000 and 100% of the voting common shares are owned by Group.  Separate segregated accounts for Mt. Logan Re began being established effective July 1, 2013 and non-voting, redeemable preferred shares have been issued to capitalize the segregated accounts.  Each segregated account invests predominately in a diversified set of catastrophe exposures, diversified by risk/peril and across different geographic regions globally.

The following table summarizes the premiums and losses that are ceded by the Company to Mt. Logan Re segregated accounts and assumed by the Company from Mt. Logan Re segregated accounts.

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
Mt. Logan Re Segregated Accounts	2017	2016	2017	2016
(Dollars in thousands)
Ceded written premiums	64,003	65,093	160,949	157,939
Ceded earned premiums	55,708	53,007	154,191	143,856
Ceded losses and LAE	197,395	8,725	241,792	38,459
Assumed written premiums	2,587	5,032	9,082	11,666
Assumed earned premiums	2,587	5,032	9,082	11,666
Assumed losses and LAE	-	-	-	-

Each segregated account is permitted to assume net risk exposures equal to the amount of its available posted collateral, which in the aggregate was $832,679 thousand and $932,243 thousand at September 30, 2017 and December 31, 2016, respectively.  Of this amount, Group had investments valued at $50,935 thousand and $58,955 thousand at September 30, 2017 and December 31, 2016, respectively, in the segregated accounts.

On April 24, 2014, the Company entered into two collateralized reinsurance agreements with Kilimanjaro Re Limited ("Kilimanjaro"), a Bermuda based special purpose reinsurer, to provide the Company with catastrophe reinsurance coverage.  These agreements are multi-year reinsurance contracts which cover specified named storm and earthquake events.  The first agreement provides up to $250,000 thousand of reinsurance coverage from named storms in specified states of the Southeastern United States.  The second agreement provides up to $200,000 thousand of reinsurance coverage from named storms in specified states of the Southeast, Mid-Atlantic and Northeast regions of the United States and Puerto Rico as well as reinsurance coverage from earthquakes in specified states of the Southeast, Mid-Atlantic, Northeast and West regions of the United States, Puerto Rico and British Columbia.

On November 18, 2014, the Company entered into a collateralized reinsurance agreement with Kilimanjaro to provide the Company with catastrophe reinsurance coverage.  This agreement is a multi-year reinsurance contract which covers specified earthquake events.  The agreement provides up to $500,000 thousand of reinsurance coverage from earthquakes in the United States, Puerto Rico and Canada.

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On December 1, 2015 the Company entered into two collateralized reinsurance agreements with Kilimanjaro to provide the Company with catastrophe reinsurance coverage.  These agreements are multi-year reinsurance contracts which cover named storm and earthquake events.  The first agreement provides up to $300,000 thousand of reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.  The second agreement provides up to $325,000 thousand of reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.

On April 13, 2017 the Company entered into six collateralized reinsurance agreements with Kilimanjaro to provide the Company with annual aggregate catastrophe reinsurance coverage.  The initial three agreements are four year reinsurance contracts which cover named storm and earthquake events.  These agreements provide up to $225,000 thousand, $400,000 thousand and $325,000 thousand, respectively, of annual aggregate reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.  The subsequent three agreements are five year reinsurance contracts which cover named storm and earthquake events.  These agreements provide up to $50,000 thousand, $75,000 thousand and $175,000 thousand, respectively, of annual aggregate reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.

Recoveries under these collateralized reinsurance agreements with Kilimanjaro are primarily dependent on estimated industry level insured losses from covered events, as well as, the geographic location of the events.  The estimated industry level of insured losses is obtained from published estimates by an independent recognized authority on insured property losses.  As of September 30, 2017, none of the published insured loss estimates for the 2017 catastrophe events have exceeded the single event retentions under the terms of the agreements that would result in a recovery.  In addition, the aggregation of the to date published insured loss estimates for the 2017 covered events have not exceeded the aggregated retentions for recovery.  However, if the published estimates for insured losses for the covered 2017 events increase or if there are additional covered events during the remainder of 2017, the aggregate losses may exceed the aggregate event retentions under the agreements, resulting in a recovery.

Kilimanjaro has financed the various property catastrophe reinsurance coverages by issuing catastrophe bonds to unrelated, external investors.  On April 24, 2014, Kilimanjaro issued $450,000 thousand of notes ("Series 2014-1 Notes").  On November 18, 2014, Kilimanjaro issued $500,000 thousand of notes ("Series 2014-2 Notes").  On December 1, 2015, Kilimanjaro issued $625,000 thousand of notes ("Series 2015-1 Notes).  On April 13, 2017, Kilimanjaro issued $950,000 thousand of notes ("Series 2017-1 Notes) and $300,000 thousand of notes ("Series 2017-2 Notes). The proceeds from the issuance of the Notes listed above are held in reinsurance trust throughout the duration of the applicable reinsurance agreements and invested solely in US government money market funds with a rating of at least "AAAm" by Standard & Poor's.

12.  SENIOR NOTES

The table below displays Holdings' outstanding senior notes.  Market value is based on quoted market prices, but due to limited trading activity, these senior notes are considered Level 2 in the fair value hierarchy.

September 30, 2017

December 31, 2016

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Date Due

Principal Amounts

Sheet Amount

Market Value

Sheet Amount

Market Value

4.868% Senior notes

06/05/2014

06/01/2044

400,000

$

396,804

$

420,008

$

396,714

$

383,612

On June 5, 2014, Holdings issued $400,000 thousand of 30 year senior notes at 4.868%, which will mature on June 1, 2044.  Interest will be paid semi-annually on June 1 and December 1 of each year.

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Interest expense incurred in connection with these senior notes is as follows for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Interest expense incurred	$	4,868	$	4,868	$	14,604	$	14,604

13.  LONG TERM SUBORDINATED NOTES

The table below displays Holdings' outstanding fixed to floating rate long term subordinated notes.  Market value is based on quoted market prices, but due to limited trading activity, these subordinated notes are considered Level 2 in the fair value hierarchy.

Maturity Date

September 30, 2017

December 31, 2016

Original

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Principal Amount

Scheduled

Final

Sheet Amount

Market Value

Sheet Amount

Market Value

6.6% Long term subordinated notes

04/26/2007

$

400,000

05/15/2037

05/01/2067

$

236,536

$

221,380

$

236,462

$

204,636

During the fixed rate interest period from May 3, 2007 through May 14, 2017, interest was at the annual rate of 6.6%, payable semi-annually in arrears on November 15 and May 15 of each year, commencing on November 15, 2007.  During the floating rate interest period from May 15, 2017 through maturity, interest will be based on the 3 month LIBOR plus 238.5 basis points, reset quarterly, payable quarterly in arrears on February 15, May 15, August 15 and November 15 of each year, subject to Holdings' right to defer interest on one or more occasions for up to ten consecutive years.  Deferred interest will accumulate interest at the applicable rate compounded quarterly for periods from and including May 15, 2017.  The reset quarterly interest rate for August 15, 2017 to November 15, 2017 is 3.70%.

Holdings may redeem the long term subordinated notes on or after May 15, 2017, in whole or in part at 100% of the principal amount plus accrued and unpaid interest; however, redemption on or after the scheduled maturity date and prior to May 1, 2047 is subject to a replacement capital covenant.  This covenant is for the benefit of certain senior note holders and it mandates that Holdings receive proceeds from the sale of another subordinated debt issue, of at least similar size, before it may redeem the subordinated notes.  Effective upon the maturity of the Company's 5.40% senior notes on October 15, 2014, the Company's 4.868% senior notes, due on June 1, 2044, have become the Company's long term indebtedness that ranks senior to the long term subordinated notes.

On March 19, 2009, Group announced the commencement of a cash tender offer for any and all of the 6.60% fixed to floating rate long term subordinated notes.  Upon expiration of the tender offer, the Company had reduced its outstanding debt by $161,441 thousand.

Interest expense incurred in connection with these long term subordinated notes is as follows for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Interest expense incurred	$	2,240	$	3,937	$	9,210	$	11,811

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14.   SEGMENT REPORTING

The U.S. Reinsurance operation writes property and casualty reinsurance and specialty lines of business, including Marine, Aviation, Surety and Accident and Health ("A&H") business, on both a treaty and facultative basis, through reinsurance brokers, as well as directly with ceding companies primarily within the U.S.  The International operation writes non-U.S. property and casualty reinsurance through Everest Re's branches in Canada and Singapore and through offices in Brazil, Miami and New Jersey. The Bermuda operation provides reinsurance and insurance to worldwide property and casualty markets through brokers and directly with ceding companies from its Bermuda office and reinsurance to the United Kingdom and European markets through its UK branch and Ireland Re.  The Insurance operation writes property and casualty insurance directly and through brokers, surplus lines brokers and general agents within the U.S. and Canada.

These segments are managed independently, but conform with corporate guidelines with respect to pricing, risk management, control of aggregate catastrophe exposures, capital, investments and support operations.  Management generally monitors and evaluates the financial performance of these operating segments based upon their underwriting results.

Underwriting results include earned premium less losses and loss adjustment expenses ("LAE") incurred, commission and brokerage expenses and other underwriting expenses.  We measure our underwriting results using ratios, in particular loss, commission and brokerage and other underwriting expense ratios, which, respectively, divide incurred losses, commissions and brokerage and other underwriting expenses by premiums earned.

For inter-affiliate reinsurance and business written through the Lloyd's Syndicate, business is generally reported within the segment in which the business was first produced, consistent with how the business is managed.

The Company does not maintain separate balance sheet data for its operating segments.  Accordingly, the Company does not review and evaluate the financial results of its operating segments based upon balance sheet data.

The following tables present the underwriting results for the operating segments for the periods indicated:

	Three Months Ended					Nine Months Ended
U.S. Reinsurance	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	908,256		$	654,770	$	1,962,207		$	1,597,005
Net written premiums		809,298			678,848		1,711,934			1,491,155
Premiums earned	$	649,772		$	519,160	$	1,609,790		$	1,478,974
Incurred losses and LAE		925,436			276,272		1,455,123			732,306
Commission and brokerage		113,449			116,667		328,230			354,608
Other underwriting expenses		12,095			14,265		40,624			39,856
Underwriting gain (loss)	$	(401,208	)	$	111,956	$	(214,187	)	$	352,204

	Three Months Ended					Nine Months Ended
International	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	344,805		$	348,812	$	931,008		$	925,028
Net written premiums		330,761			316,207		848,792			799,908
Premiums earned	$	305,951		$	282,442	$	841,348		$	823,493
Incurred losses and LAE		563,082			122,181		895,071			531,580
Commission and brokerage		68,441			78,384		199,438			209,348
Other underwriting expenses		8,307			11,030		27,601			26,822
Underwriting gain (loss)	$	(333,879	)	$	70,847	$	(280,762	)	$	55,743

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	Three Months Ended					Nine Months Ended
Bermuda	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	311,781		$	245,995	$	870,473		$	612,657
Net written premiums		287,591			229,373		810,437			562,128
Premiums earned	$	267,488		$	215,761	$	766,051		$	610,466
Incurred losses and LAE		301,315			127,236		595,052			348,586
Commission and brokerage		83,861			59,605		205,770			169,413
Other underwriting expenses		9,049			8,785		27,551			26,290
Underwriting gain (loss)	$	(126,737	)	$	20,135	$	(62,322	)	$	66,177

	Three Months Ended						Nine Months Ended
Insurance	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Gross written premiums	$	480,060		$	533,039		$	1,483,807		$	1,364,465
Net written premiums		370,439			340,216			1,179,873			1,047,863
Premiums earned	$	375,664		$	354,111		$	1,063,464		$	966,268
Incurred losses and LAE		420,249			260,479			896,899			732,261
Commission and brokerage		67,362			54,889			181,900			146,684
Other underwriting expenses		43,694			44,483			132,125			129,782
Underwriting gain (loss)	$	(155,641	)	$	(5,740	)	$	(147,460	)	$	(42,459	)

The following table reconciles the underwriting results for the operating segments to income before taxes as reported in the consolidated statements of operations and comprehensive income (loss) for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Underwriting gain (loss)	$	(1,017,465	)	$	197,198		$	(704,731	)	$	431,665
Net investment income		136,973			122,657			393,770			357,918
Net realized capital gains (losses)		41,535			380			119,531			(41,221	)
Net derivative gain (loss)		2,656			6,510			6,052			5,486
Corporate expenses		(5,932	)		(6,400	)		(21,308	)		(21,403	)
Interest, fee and bond issue cost amortization expense		(7,266	)		(8,893	)		(24,289	)		(27,194	)
Other income (expense)		(54,568	)		9,435			(59,146	)		(20,998	)
Income (loss) before taxes	$	(904,067	)	$	320,887		$	(290,121	)	$	684,253

The Company produces business in the U.S., Bermuda and internationally.  The net income deriving from and assets residing in the individual foreign countries in which the Company writes business are not identifiable in the Company's financial records.  Based on gross written premium, the table below presents the largest country, other than the U.S., in which the Company writes business, for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
United Kingdom gross written premium	$	204,774	$	182,786	$	580,559	$	511,994

No other country represented more than 5% of the Company's revenues.

15.  SHARE-BASED COMPENSATION PLANS

For the three months ended September 30, 2017, share-based compensation awards granted were 3,855 restricted shares, granted on September 6, 2017, with a fair value of $230.52 per share.

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16.  RETIREMENT BENEFITS

The Company maintains both qualified and non-qualified defined benefit pension plans and a retiree health plan for its U.S. employees employed prior to April 1, 2010.

Net periodic benefit cost for U.S. employees included the following components for the periods indicated:

Pension Benefits	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Service cost	$	2,737		$	2,731		$	9,335		$	8,524
Interest cost		2,509			2,371			7,060			7,093
Expected return on plan assets		(3,263	)		(2,789	)		(9,572	)		(7,757	)
Amortization of prior service cost		-			-			-			-
Amortization of net (income) loss		2,091			1,984			8,172			6,012
Net periodic benefit cost	$	4,074		$	4,297		$	14,995		$	13,872

Other Benefits	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Service cost	$	392		$	354		$	1,273		$	1,230
Interest cost		296			252			793			844
Amortization of prior service cost		(33	)		(33	)		(98	)		(33	)
Amortization of net (income) loss		48			-			199			96
Net periodic benefit cost	$	703		$	573		$	2,167		$	2,137
(Some amounts may not reconcile due to rounding.)

The Company contributed $10,000 thousand to the qualified pension benefit plan for the three and nine months ended September 30, 2017.  The Company contributed $30,000 thousand to the qualified pension benefit plan for the three and nine months ended September 30, 2016.

17.  INCOME TAXES

The Company is domiciled in Bermuda and has significant subsidiaries and/or branches in Canada, Ireland, Singapore, the United Kingdom, and the United States.  The Company's Bermuda domiciled subsidiaries are exempt from income taxation under Bermuda law until 2035. The Company's non-Bermudian subsidiaries and branches are subject to income taxation at varying rates in their respective domiciles.

The Company generally applies the estimated annual effective tax rate approach for calculating its tax provision for interim periods as prescribed by ASC 740-270, Interim Reporting.  Under the estimated annual effective tax rate approach, the estimated annual effective tax rate is applied to the interim year-to-date pre-tax income/loss to determine the income tax expense or benefit for the year-to-date period.  If the annual effective tax rate approach produces a year-to-date tax benefit which exceeds the amount which is estimated to be recoverable for the full year, then the tax benefit for the interim reporting period will be limited as prescribed under ASC 740-270 to the estimated recoverable based on the year-to-date result.  The tax expense or benefit for the quarter represents the difference between the year-to-date tax expense or benefit for the current year-to-date period less such amount for the immediately preceding year-to-date period. Management considers the impact of all known events in its estimation of the Company's annual pre-tax income/loss and effective tax rate.

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18.  DISPOSITION

On August 24, 2016, the Company sold Heartland, its crop Managing General Agent to CGB for $49,000 thousand.  The sale agreement includes a provision for a long term strategic reinsurance relationship with CGB.  The Company has recognized an after-tax loss on the sale of Heartland of $12,942 thousand.  Under the terms of the reinsurance arrangement, there has not been a material fluctuation in the level of crop business, although it has been reflected as reinsurance rather than insurance.

19.  SUBSEQUENT EVENTS

The Company has evaluated known recognized and non-recognized subsequent events.  In October 2017, Hurricane Nate impacted the Southern United States and Central America and Hurricane Ophelia impacted Ireland, the United Kingdom and Northern Europe.  Also, in October 2017, a number of wildfires affected California.  Due to the recentness of these events, the Company is unable to estimate the amount of losses related to Hurricane Nate, Hurricane Ophelia or the California wildfires at this time.  However, the Company anticipates that these events will adversely impact the fourth quarter 2017 financial results.

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ITEM 2.MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATION

Industry Conditions.

The worldwide reinsurance and insurance businesses are highly competitive, as well as cyclical by product and market.  As such, financial results tend to fluctuate with periods of constrained availability, higher rates and stronger profits followed by periods of abundant capacity, lower rates and constrained profitability.  Competition in the types of reinsurance and insurance business that we underwrite is based on many factors, including the perceived overall financial strength of the reinsurer or insurer, ratings of the reinsurer or insurer by A.M. Best and/or Standard & Poor's, underwriting expertise, the jurisdictions where the reinsurer or insurer is licensed or otherwise authorized, capacity and coverages offered, premiums charged, other terms and conditions of the reinsurance and insurance business offered, services offered, speed of claims payment and reputation and experience in lines written.  Furthermore, the market impact from these competitive factors related to reinsurance and insurance is generally not consistent across lines of business, domestic and international geographical areas and distribution channels.

We compete in the U.S., Bermuda and international reinsurance and insurance markets with numerous global competitors. Our competitors include independent reinsurance and insurance companies, subsidiaries or affiliates of established worldwide insurance companies, reinsurance departments of certain insurance companies, domestic and international underwriting operations, including underwriting syndicates at Lloyd's of London and certain government sponsored risk transfer vehicles.  Some of these competitors have greater financial resources than we do and have established long term and continuing business relationships, which can be a significant competitive advantage.  In addition, the lack of strong barriers to entry into the reinsurance business and recently, the securitization of reinsurance and insurance risks through capital markets provide additional sources of potential reinsurance and insurance capacity and competition.

Worldwide insurance and reinsurance market conditions continued to be very competitive, particularly in the property catastrophe and casualty reinsurance lines of business.  Generally, there was ample insurance and reinsurance capacity relative to demand, as well as, additional capital from the capital markets through insurance linked financial instruments.  These financial instruments such as side cars, catastrophe bonds and collateralized reinsurance funds, provide capital markets with access to insurance and reinsurance risk exposure.  The capital markets demand for these products is being primarily driven by the current low interest environment and the desire to achieve greater risk diversification and potentially higher returns on their investments.  This increased competition is generally having a negative impact on rates, terms and conditions; however, the impact varies widely by market and coverage.

Rates tend to fluctuate by specific region and products, particularly areas recently impacted by large catastrophic events.  There was an unprecedented series of catastrophes in the third quarter of 2017 with Hurricanes Harvey, Irma and Maria, as well as a significant earthquake in Mexico City.  Additional catastrophe events occurred in October 2017 with Hurricanes Nate and Ophelia and the wild fires in California.  The total industry losses for all of these events could exceed $100 billion.  This is the second consecutive year with higher than average catastrophe losses. During 2016, catastrophe losses included the Fort McMurray Canadian wildfire, Hurricane Matthew which affected a large area of the Caribbean and southeastern United States, storms and an earthquake in Ecuador.  There are industry reports that the catastrophe losses for 2016 reached their highest level in four years and the United States experienced the most loss events since 1980 and the highest total losses since 2012.  While the future impact on market conditions from these catastrophes cannot be determined at this time, there was some firming in the markets impacted by the 2016 catastrophes and as catastrophe losses continue to increase in 2017, there is a growing industry consensus that there will be a general firming of the (re)insurance markets resulting in rate increases, not only for catastrophe exposures, but also potentially for most other lines of business.

Commencing in 2015, we initiated a strategic build out of our insurance platform through the investment in key leadership hires which in turn has brought significant underwriting talent and stronger direction in achieving our insurance program strategic goals of increased premium volume and improved underwriting results.  Recent growth is coming from highly diversified areas including newly launched lines of business, as well as, product and geographic expansion in existing lines of business.  We are building a world-class insurance platform capable of offering products across lines and geographies, complementing our leading

34

global reinsurance franchise.  As part of this initiative, we received approval from Lloyd's of London to launch a new syndicate in 2016 which provided us access to additional international business and new product opportunities to further diversify and broaden our insurance portfolio.

Overall, we believe that given our size, strong ratings, distribution system, reputation, expertise and capital market vehicle activity the current marketplace conditions provide profit opportunities.  We continue to employ our strategy of targeting business that offers the greatest profit potential, while maintaining balance and diversification in our overall portfolio.

Financial Summary.

We monitor and evaluate our overall performance based upon financial results.  The following table displays a summary of the consolidated net income (loss), ratios and shareholders' equity for the periods indicated.

	Three Months Ended						Percentage			Nine Months Ended						Percentage
	September 30,						Increase/			September 30,						Increase/
(Dollars in millions)	2017			2016			(Decrease)			2017			2016			(Decrease)
Gross written premiums	$	2,044.9		$	1,782.6			14.7	%	$	5,247.5		$	4,499.2			16.6	%
Net written premiums		1,798.1			1,564.6			14.9	%		4,551.0			3,901.1			16.7	%
REVENUES:
Premiums earned	$	1,598.9		$	1,371.5			16.6	%	$	4,280.7		$	3,879.2			10.3	%
Net investment income		137.0			122.7			11.7	%		393.8			357.9			10.0	%
Net realized capital gains (losses)		41.5			0.4		NM				119.5			(41.2	)	NM
Net derivative gain (loss)		2.7			6.5			-59.2	%		6.1			5.5			10.3	%
Other income (expense)		(54.6	)		9.4		NM				(59.1	)		(21.0	)		181.7	%
Total revenues		1,725.5			1,510.5			14.2	%		4,740.9			4,180.4			13.4	%
CLAIMS AND EXPENSES:
Incurred losses and loss adjustment expenses		2,210.1			786.2			181.1	%		3,842.1			2,344.7			63.9	%
Commission, brokerage, taxes and fees		333.1			309.5			7.6	%		915.3			880.1			4.0	%
Other underwriting expenses		73.1			78.6			-6.9	%		227.9			222.8			2.3	%
Corporate expenses		5.9			6.4			-7.3	%		21.3			21.4			-0.4	%
Interest, fees and bond issue cost amortization expense		7.3			8.9			-18.3	%		24.3			27.2			-10.7	%
Total claims and expenses		2,629.5			1,189.6			121.0	%		5,031.0			3,496.1			43.9	%
INCOME (LOSS) BEFORE TAXES		(904.1	)		320.9		NM				(290.1	)		684.3			-142.4	%
Income tax expense (benefit)		(264.7	)		25.5		NM				(188.1	)		61.5		NM
NET INCOME (LOSS)	$	(639.4	)	$	295.4		NM			$	(102.1	)	$	622.8			-116.4	%
RATIOS:							Point Change									Point Change
Loss ratio		138.2	%		57.3	%		80.9			89.8	%		60.4	%		29.4
Commission and brokerage ratio		20.8	%		22.6	%		(1.8	)		21.4	%		22.7	%		(1.3	)
Other underwriting expense ratio		4.6	%		5.7	%		(1.1	)		5.3	%		5.8	%		(0.5	)
Combined ratio		163.6	%		85.6	%		78.0			116.5	%		88.9	%		27.6
										At			At			Percentage
										September 30,			December 31,			Increase/
(Dollars in millions, except per share amounts)										2017			2016			(Decrease)
Balance sheet data:
Total investments and cash										$	18,482.0		$	17,483.1			5.7	%
Total assets											23,936.3			21,321.5			12.3	%
Loss and loss adjustment expense reserves											12,455.4			10,312.3			20.8	%
Total debt											633.3			633.2			0.0	%
Total liabilities											15,966.9			13,246.1			20.5	%
Shareholders' equity											7,969.3			8,075.4			-1.3	%
Book value per share											194.05			197.45			-1.7	%
(NM, not meaningful)
(Some amounts may not reconcile due to rounding.)

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Revenues.

Premiums.  Gross written premiums increased by 14.7% to $2,044.9 million for the three months ended September 30, 2017, compared to $1,782.6 million for the three months ended September 30, 2016, reflecting a $315.3 million, or 25.2%, increase in our reinsurance business and a $53.0 million, or 9.9%, decrease in our insurance business.  The increase in reinsurance premiums was mainly due to the new crop reinsurance transactions, increases in financial lines of business and the influx of reinstatement premiums related to multiple catastrophe events in the third quarter.  The decline in insurance premiums was due to the sale of Heartland Crop Insurance, Inc. ("Heartland") which accounted for $162.4 million of gross written premium in the third quarter of 2016. Excluding the impact of Heartland, insurance premiums rose by $109.4 million due to increased production in many lines of business, including retail casualty, surety, accident and health and business written through the Lloyd's Syndicate.  Gross written premiums increased by 16.6% to $5,247.5 million for the nine months ended September 30, 2017, compared to $4,499.2 million for the nine months ended September 30, 2016, reflecting a $629.0 million, or 20.1%, increase in our reinsurance business and a $119.3 million, or 8.7%, increase in our insurance business.  The increase in reinsurance premiums was mainly due to the new crop reinsurance transactions, increases in treaty property and financial lines of business and the influx of reinstatement premiums related to multiple catastrophe events in the third quarter.  The rise in insurance premiums was primarily due to increases in many lines of business, including retail casualty, accident and health, surety and business written through the Lloyd's Syndicate, partially offset by the impact of the sale of Heartland.

Net written premiums increased by 14.9% to $1,798.1 million for the three months ended September 30, 2017, compared to $1,564.6 million for the three months ended September 30, 2016.  Net written premiums increased by 16.7% to $4,551.0 million for the nine months ended September 30, 2017, compared to $3,901.1 million for the nine months ended September 30, 2016.  These changes are consistent with the changes in gross written premiums.  Premiums earned increased by 16.6% to $1,598.9 million for the three months ended September 30, 2017, compared to $1,371.5 million for the three months ended September 30, 2016.  Premiums earned increased by 10.3% to $4,280.7 million for the nine months ended September 30, 2017, compared to $3,879.2 million for the nine months ended September 30, 2016.  The change in premiums earned relative to net written premiums is the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

Net Investment Income.  Net investment income increased by 11.7% to $137.0 million for the three months ended September 30, 2017, compared with investment income of $122.7 million for the three months ended September 30, 2016.  Net investment income increased by 10.0% to $393.8 million for the nine months ended September 30, 2017, compared with investment income of $357.9 million for the nine months ended September 30, 2016.  Net pre-tax investment income, as a percentage of average invested assets, was 3.1% for the three months ended September 30, 2017, compared to 2.9% for the three months ended September 30, 2016.  Net pre-tax investment income, as a percentage of average invested assets, was 3.0% for the nine months ended September 30, 2017, compared to 2.9% for the nine months ended September 30, 2016.  The increases in income and yield for both the three and nine months ended September 30, 2017 were primarily the result of higher income from our limited partnerships and higher income from the growing fixed income portfolio, partially offset by lower dividend income from our equity portfolio.

Net Realized Capital Gains (Losses).  Net realized capital gains were $41.5 million and $0.4 million for the three months ended September 30, 2017 and 2016, respectively.  The net realized capital gains of $41.5 million for the three months ended September 30, 2017 were comprised of $36.5 million of net gains from fair value re-measurements and $6.5 million of net realized capital gains from sales on our fixed maturity and equity securities, partially offset by $1.5 million of other-than-temporary impairments.  The net realized capital gains of $0.4 million for the three months ended September 30, 2016 were comprised of $17.6 million of net gains from fair value re-measurements and $11.6 million of net realized capital gains from sales on our fixed maturity and equity securities, partially offset by net realized capital losses of $28.0 million from the sale of our Heartland subsidiary and $0.8 million of other-than-temporary impairments.

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Net realized capital gains were $119.5 million for the nine months ended September 30, 2017 and net realized capital losses were $41.2 million for the nine months ended September 30, 2016.  The net realized capital gains of $119.5 million for the nine months ended September 30, 2017 were comprised of $91.4 million of net gains from fair value re-measurements and $33.3 million of net realized capital gains from sales on our fixed maturity and equity securities, partially offset by $5.2 million of other-than-temporary impairments.  The net realized capital losses of $41.2 million for the nine months ended September 30, 2016 were comprised of $31.1 million of other-than-temporary impairments, net realized capital losses of $28.0 million from the sale of our Heartland subsidiary and $19.8 million of net realized capital losses from sales on our fixed maturity and equity securities, partially offset by $37.7 million of net gains from fair value re-measurements.

Net Derivative Gain (Loss).  In 2005 and prior, we sold seven equity index put option contracts, six of which remain outstanding.  These contracts meet the definition of a derivative in accordance with FASB guidance and as such, are fair valued each quarter with the change recorded as net derivative gain or loss in the consolidated statements of operations and comprehensive income (loss).  As a result of these adjustments in value, we recognized net derivative gains of $2.7 million and $6.5 million for the three months ended September 30, 2017 and 2016, respectively, and net derivative gains of $6.1 million and $5.5 million for the nine months ended September 30, 2017 and 2016, respectively.  The change in the fair value of these equity index put option contracts is indicative of the change in the equity markets and interest rates over the same periods.

Other Income (Expense).  We recorded other expense of $54.6 million and other income of $9.4 million for the three months ended September 30, 2017 and 2016, respectively.  We recorded other expense of $59.1 million and $21.0 million for the nine months ended September 30, 2017 and 2016, respectively.  The changes were primarily the result of fluctuations in foreign currency exchange rates and other income related to Mt. Logan Re for the corresponding periods.  We incurred foreign currency exchange expense of $43.2 million and foreign currency exchange income of $1.9 million for the three months ended September 30, 2017 and 2016, respectively.  We incurred foreign currency exchange expense of $48.2 million and $29.4 million for the nine months ended September 30, 2017 and 2016, respectively.  The increase in expenses for the three and nine month periods in 2017 mainly related to the impact on loss reserves from the strengthening of the Canadian dollar, the British Pound Sterling and the Euro against the U.S. dollar.  The expense incurred for the nine months period in 2016 was primarily generated from our United Kingdom operations as a result of the decline in the British Pound Sterling in relation to other major currencies resulting from the United Kingdom vote to leave the European Union.  Although we have foreign currency investments to mitigate the impact of foreign exchange movements, the offsetting foreign exchange impacts on the investments is reflected through Other Comprehensive Income.

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Claims and Expenses.

Incurred Losses and Loss Adjustment Expenses.  The following tables present our incurred losses and loss adjustment expenses ("LAE") for the periods indicated.

	Three Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	840.7		52.6	%		$	(0.9	)		-0.1	%		$	839.8		52.5	%
Catastrophes		1,370.2		85.7	%			-			0.0	%			1,370.2		85.7	%
Total	$	2,210.9		138.3	%		$	(0.9	)		-0.1	%		$	2,210.1		138.2	%
2016
Attritional	$	769.3		56.0	%		$	(0.7	)		0.0	%		$	768.7		56.0	%
Catastrophes		59.7		4.4	%			(42.2	)		-3.1	%			17.5		1.3	%
Total	$	829.0		60.4	%		$	(42.9	)		-3.1	%		$	786.2		57.3	%
Variance 2017/2016
Attritional	$	71.4		(3.4	)	pts	$	(0.2	)		(0.1	)	pts	$	71.1		(3.5	)	pts
Catastrophes		1,310.5		81.3		pts		42.2			3.1		pts		1,352.7		84.4		pts
Total	$	1,381.9		77.9		pts	$	42.0			3.0		pts	$	1,423.9		80.9		pts

	Nine Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	2,399.7		56.1	%		$	(1.3	)		0.0	%		$	2,398.4		56.1	%
Catastrophes		1,443.7		33.7	%			-			0.0	%			1,443.7		33.7	%
Total	$	3,843.4		89.8	%		$	(1.3	)		0.0	%		$	3,842.1		89.8	%
2016
Attritional	$	2,197.4		56.6	%		$	(3.8	)		-0.1	%		$	2,193.7		56.5	%
Catastrophes		219.2		5.7	%			(68.2	)		-1.8	%			151.0		3.9	%
Total	$	2,416.6		62.3	%		$	(72.0	)		-1.9	%		$	2,344.7		60.4	%
Variance 2017/2016
Attritional	$	202.2		(0.5	)	pts	$	2.5			0.1		pts	$	204.7		(0.4	)	pts
Catastrophes		1,224.5		28.0		pts		68.2			1.8		pts		1,292.7		29.8		pts
Total	$	1,426.8		27.5		pts	$	70.7			1.9		pts	$	1,497.4		29.4		pts
(Some amounts may not reconcile due to rounding.)

Incurred losses and LAE increased by 181.1% to $2,210.1 million for the three months ended September 30, 2017, compared to $786.2 million for the three months ended September 30, 2016, primarily due to an increase of $1,310.5 million in current year catastrophe losses, an increase in current year attritional losses of $71.4 million, mainly due to the impact of the increase in premiums earned and $42.2 million of favorable development on prior years catastrophe losses in 2016, primarily related to the 2011 Japan earthquake, which did not recur in 2017.  The current year catastrophe losses of $1,370.2 million for the three months ended September 30, 2017 primarily related to Hurricane Irma ($574.9 million), Hurricane Maria ($415.5 million), Hurricane Harvey ($286.4 million) and the Mexico City earthquake ($93.4 million).  The current year catastrophe losses of $59.7 million for the three months ended September 30, 2016 related to the Fort McMurray Canada wildfire ($27.8 million), Hurricane Hermine ($13.5 million), 2016 U.S. storms ($13.4 million), the 2016 Taiwan earthquake ($4.6 million) and the 2016 Ecuador earthquake ($0.3 million).

Incurred losses and LAE increased by 63.9% to $3,842.1 million for the nine months ended September 30, 2017, compared to $2,344.7 million for the nine months ended September 30, 2016, primarily due to an increase of $1,224.5 million in current year catastrophe losses, an increase in current year attritional losses of $202.2 million, mainly due to the impact of the increase in premiums earned and the impact of the new crop reinsurance contract, and $68.2 million of favorable development on prior years catastrophe losses in

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2016, primarily related to the 2011 Japan earthquake, which did not recur in 2017.  The current year catastrophe losses of $1,443.7 million for the nine months ended September 30, 2017 related to Hurricane Irma ($574.9 million), Hurricane Maria ($415.5 million), Hurricane Harvey ($286.4 million), the Mexico City earthquake ($93.4 million), the South Africa Knysna fires ($24.8 million), Cyclone Debbie in Australia ($19.0 million), the 2017 US Midwest storms ($15.7 million) and the Peru storms ($13.9 million).  The current year catastrophe losses of $219.2 million for the nine months ended September 30, 2016 related to the Fort McMurray Canada wildfire ($117.6 million), the 2016 U.S. storms ($49.9 million), the 2016 Ecuador earthquake ($23.2 million), the 2016 Taiwan earthquake ($15.1 million) and Hurricane Hermine ($13.5 million).

Commission, Brokerage, Taxes and Fees.  Commission, brokerage, taxes and fees increased by 7.6% to $333.1 million for the three months ended September 30, 2017 compared to $309.5 million for the three months ended September 30, 2016.  Commission, brokerage, taxes and fees increased by 4.0% to $915.3 million for the nine months ended September 30, 2017 compared to $880.1 million for the nine months ended September 30, 2016.  The changes were primarily due to the impact of the increases in premiums earned and changes in the mix of business.

Other Underwriting Expenses.  Other underwriting expenses were $73.1 million and $78.6 million for the three months ended September 30, 2017 and 2016, respectively.  The decrease for the three month period was primarily due to lower variable compensation costs.  Other underwriting expenses were $227.9 million and $222.8 million for the nine months ended September 30, 2017 and 2016, respectively.  The increase for the nine month period was mainly due to costs incurred to support the increased premium production, including costs related to the continued expansion of the insurance business.

Corporate Expenses.  Corporate expenses, which are general operating expenses that are not allocated to segments, were relatively flat at $5.9 million and $6.4 million for the three months ended September 30, 2017 and 2016, respectively, and $21.3 million and $21.4 million for the nine months ended September 30, 2017 and 2016, respectively.

Interest, Fees and Bond Issue Cost Amortization Expense.  Interest, fees and other bond amortization expense was $7.3 million and $8.9 million for the three months ended September 30, 2017 and 2016, respectively.  Interest, fees and other bond amortization expense was $24.3 million and $27.2 million for the nine months ended September 30, 2017 and 2016, respectively.  The decreases in expense for both the three and nine month periods were primarily due to the conversion of the long term subordinated notes from a fixed rate of 6.6% to a floating rate, which is reset quarterly per the note agreement.  The floating rate was 3.70% as of September 30, 2017.

Income Tax Expense (Benefit).  We had an income tax benefit of $264.7 million and $188.1 million for the three and nine months ended September 30, 2017, respectively.  We had income tax expense of $25.5 million and $61.5 million for the three and nine months ended September 30, 2016, respectively.  Income tax expense is primarily a function of the geographic location of the Company's pre-tax income and the statutory tax rates in those jurisdictions, as affected by tax-exempt investment income and foreign tax credits and as calculated under the annualized effective tax rate ("AETR") method. Variations in the AETR generally result from changes in the relative levels of pre-tax income, including the impact of catastrophe losses and net capital gains (losses), among jurisdictions with different tax rates. However, if the AETR approach produces a year-to-date tax benefit which exceeds the amount which is estimated to be recoverable for the full year, then the tax benefit for the interim reporting period will be limited, as prescribed under ASC 740-270, to the estimated tax recoverable based on the year-to-date result.  The decrease in income tax expense for the three and nine months ended September 30, 2017 compared to the three and nine months ended September 30, 2016 was primarily due to the significant catastrophe losses incurred during the third quarter of 2017.

Net Income (Loss).

Our net loss was $639.4 million and net income was $295.4 million for the three months ended September 30, 2017 and 2016, respectively.  Our net loss was $102.1 million and net income was $622.8 million for the nine months ended September 30, 2017 and 2016, respectively.  The changes were primarily driven by the financial component fluctuations explained above.

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Ratios.

Our combined ratio increased by 78.0 points to 163.6% for the three months ended September 30, 2017, compared to 85.6% for the three months ended September 30, 2016, and increased by 27.6 points to 116.5% for the nine months ended September 30, 2017, compared to 88.9% for the nine months ended September 30, 2016.  The loss ratio components increased 80.9 points and 29.4 points for the three and nine months ended September 30, 2017, respectively, over the same periods last year.  The changes were mainly due to the increases in current year catastrophe losses.  The commission and brokerage ratio components decreased to 20.8% from 22.6% for the three months ended September 30, 2017 and 2016, respectively, and decreased to 21.4% from 22.7% for the nine months ended September 30, 2017 and 2016, respectively, reflecting changes in the mix of business and the impact from reinstatement premiums.  The other underwriting expense ratios decreased to 4.6% from 5.7% for the three months ended September 30, 2017 and 2016, respectively, and decreased to 5.3% from 5.8% for the nine months ended September 30, 2017 and 2016, respectively, mainly due to a reduction in variable compensation combined with the growth in premiums earned.

Shareholders' Equity.

Shareholders' equity decreased by $106.1 million to $7,969.3 million at September 30, 2017 from $8,075.4 million at December 31, 2016, principally as a result of $153.9 million of shareholder dividends and $102.1 million of net loss, partially offset by $125.1 million of net foreign currency translation adjustments, $17.4 million of share-based compensation transactions, $5.4 million of net benefit plan obligation adjustments and $2.0 million of unrealized appreciation on investments, net of tax.

Consolidated Investment Results

Net Investment Income.

Net investment income increased by 11.7% to $137.0 million for the three months ended September 30, 2017, compared with investment income of $122.7 million for the three months ended September 30, 2016.  Net investment income increased by 10.0% to $393.8 million for the nine months ended September 30, 2017, compared with investment income of $357.9 million for the nine months ended September 30, 2016.  The increases for the three and nine month periods were primarily due to an increase in limited partnership income and higher income from the growing fixed income portfolio, partially offset by lower dividend income from our equity portfolio.

The following table shows the components of net investment income for the periods indicated.

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in millions)	2017			2016			2017			2016
Fixed maturities	$	108.0		$	100.8		$	319.3		$	306.1
Equity securities		8.6			9.9			25.7			32.0
Short-term investments and cash		1.0			0.5			2.4			1.2
Other invested assets
Limited partnerships		23.3			17.1			54.4			33.9
Other		2.1			1.0			6.7			1.3
Gross investment income before adjustments		142.9			129.3			408.5			374.6
Funds held interest income (expense)		2.3			1.5			7.2			5.8
Future policy benefit reserve income (expense)		(0.3	)		(0.5	)		(1.0	)		(1.2	)
Gross investment income		144.9			130.3			414.6			379.1
Investment expenses		(8.0	)		(7.6	)		(20.9	)		(21.2	)
Net investment income	$	137.0		$	122.7		$	393.8		$	357.9
(Some amounts may not reconcile due to rounding.)

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The following tables show a comparison of various investment yields for the periods indicated.

	At	At
	September 30,	December 31,
	2017	2016
Imbedded pre-tax yield of cash and invested assets	3.0%	2.9%
Imbedded after-tax yield of cash and invested assets	2.5%	2.4%

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2017	2016	2017	2016
Annualized pre-tax yield on average cash and invested assets	3.1%	2.9%	3.0%	2.9%
Annualized after-tax yield on average cash and invested assets	2.5%	2.4%	2.5%	2.4%

Net Realized Capital Gains (Losses).

The following table presents the composition of our net realized capital gains (losses) for the periods indicated.

	Three Months Ended September 30,									Nine Months Ended September 30,
(Dollars in millions)	2017			2016			Variance			2017			2016			Variance
Gains (losses) from sales:
Fixed maturity securities, market value:
Gains	$	13.7		$	15.1		$	(1.4	)	$	46.3		$	32.7		$	13.6
Losses		(5.7	)		(9.2	)		3.5			(13.4	)		(40.4	)		27.0
Total		8.0			5.9			2.1			32.9			(7.8	)		40.7
Fixed maturity securities, fair value:
Gains		-			-			-			-			-			-
Losses		-			-			-			-			(1.9	)		1.9
Total		-			-			-			-			(1.9	)		1.9
Equity securities, market value:
Gains		-			-			-			-			0.1			(0.1	)
Losses		-			-			-			(3.4	)		-			(3.4	)
Total		-			-			-			(3.4	)		0.1			(3.5	)
Equity securities, fair value:
Gains		2.3			7.3			(5.0	)		14.4			14.0			0.4
Losses		(3.8	)		(1.4	)		(2.4	)		(10.6	)		(24.2	)		13.6
Total		(1.5	)		5.8			(7.3	)		3.8			(10.3	)		14.1
Total net realized capital gains (losses) from sales:
Gains		16.0			22.3			(6.3	)		60.7			46.8			13.9
Losses		(9.5	)		(10.5	)		1.0			(27.4	)		(66.4	)		39.0
Total		6.5			11.6			(5.1	)		33.3			(19.8	)		53.1
Loss on sale of subsidiary:		-			(28.0	)		28.0			-			(28.0	)		28.0
Other-than-temporary impairments:		(1.5	)		(0.8	)		(0.7	)		(5.2	)		(31.1	)		25.9
Gains (losses) from fair value adjustments:
Fixed maturities, fair value		-			0.1			(0.1	)		-			1.4			(1.4	)
Equity securities, fair value		36.5			17.5			19.0			91.4			36.3			55.1
Total		36.5			17.6			18.9			91.4			37.7			53.7
Total net realized capital gains (losses)	$	41.5		$	0.4		$	41.1		$	119.5		$	(41.2	)	$	160.7
(Some amounts may not reconcile due to rounding.)

Net realized capital gains were $41.5 million and $0.4 million for the three months ended September 30, 2017 and 2016, respectively.  For the three months ended September 30, 2017, we recorded $36.5 million of net gains from fair value re-measurements and $6.5 million of net realized capital gains from sales on our fixed maturity and equity securities, partially offset by $1.5 million of other-than-temporary impairments.  For

41

the three months ended September 30, 2016, we recorded $17.6 million of net gains from fair value re-measurements and $11.6 million of net realized capital gains from sales on our fixed maturity and equity securities, partially offset by net realized capital losses of $28.0 million from the sale of our Heartland subsidiary and $0.8 million of other-than-temporary impairments.  The fixed maturity and equity sales for the three months ended September 30, 2017 and 2016 related primarily to adjusting the portfolios for overall market changes and individual credit shifts.

Net realized capital gains were $119.5 million for the nine months ended September 30, 2017 and net realized capital losses were $41.2 million for the nine months ended September 30, 2016.  For the nine months ended September 30, 2017, we recorded $91.4 million of net gains from fair value re-measurements and $33.3 million of net realized capital gains from sales on our fixed maturity and equity securities, partially offset by $5.2 million of other-than-temporary impairments.  For the nine months ended September 30, 2016, we recorded $31.1 million of other-than-temporary impairments, $28.0 million of net realized capital losses of from the sale of our Heartland subsidiary and $19.8 million of net realized capital losses from sales on our fixed maturity and equity securities, partially offset by $37.7 million of net gains from fair value re-measurements.  The fixed maturity and equity sales for the nine months ended September 30, 2017 and 2016 related primarily to adjusting the portfolios for overall market changes and individual credit shifts.

Segment Results.

The U.S. Reinsurance operation writes property and casualty reinsurance and specialty lines of business, including Marine, Aviation, Surety and Accident and Health ("A&H") business, on both a treaty and facultative basis, through reinsurance brokers, as well as directly with ceding companies primarily within the U.S.  The International operation writes non-U.S. property and casualty reinsurance through Everest Re's branches in Canada and Singapore and through offices in Brazil, Miami and New Jersey.  The Bermuda operation provides reinsurance and insurance to worldwide property and casualty markets through brokers and directly with ceding companies from its Bermuda office and reinsurance to the United Kingdom and European markets through its UK branch and Ireland Re.  The Insurance operation writes property and casualty insurance directly and through brokers, surplus lines brokers and general agents within the U.S. and Canada.

These segments are managed independently, but conform with corporate guidelines with respect to pricing, risk management, control of aggregate catastrophe exposures, capital, investments and support operations.  Management generally monitors and evaluates the financial performance of these operating segments based upon their underwriting results.

Underwriting results include earned premium less losses and loss adjustment expenses ("LAE") incurred, commission and brokerage expenses and other underwriting expenses.  We measure our underwriting results using ratios, in particular loss, commission and brokerage and other underwriting expense ratios, which, respectively, divide incurred losses, commissions and brokerage and other underwriting expenses by premiums earned.

For inter-affiliate reinsurance and business written through the Lloyd's Syndicate, business is generally reported within the segment in which the business was first produced, consistent with how the business is managed.

The Company does not maintain separate balance sheet data for its operating segments.  Accordingly, the Company does not review and evaluate the financial results of its operating segments based upon balance sheet data.

Our loss and LAE reserves are management's best estimate of our ultimate liability for unpaid claims. We re-evaluate our estimates on an ongoing basis, including all prior period reserves, taking into consideration all available information and, in particular, recently reported loss claim experience and trends related to prior periods. Such re-evaluations are recorded in incurred losses in the period in which re-evaluation is made.

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The following discusses the underwriting results for each of our segments for the periods indicated.

U.S. Reinsurance.

The following table presents the underwriting results and ratios for the U.S. Reinsurance segment for the periods indicated.

	Three Months Ended September 30,												Nine Months Ended September 30,
(Dollars in millions)	2017			2016			Variance			% Change			2017			2016			Variance			% Change
Gross written premiums	$	908.3		$	654.8		$	253.5			38.7	%	$	1,962.2		$	1,597.0		$	365.2			22.9	%
Net written premiums		809.3			678.8			130.5			19.2	%		1,711.9			1,491.2			220.8			14.8	%
Premiums earned	$	649.8		$	519.2		$	130.6			25.2	%	$	1,609.8		$	1,479.0		$	130.8			8.8	%
Incurred losses and LAE		925.4			276.3			649.1			235.0	%		1,455.1			732.3			722.8			98.7	%
Commission and brokerage		113.4			116.7			(3.2	)		-2.8	%		328.2			354.6			(26.4	)		-7.4	%
Other underwriting expenses		12.1			14.3			(2.2	)		-15.2	%		40.6			39.9			0.8			1.9	%
Underwriting gain (loss)	$	(401.2	)	$	112.0		$	(513.2	)	NM			$	(214.2	)	$	352.2		$	(566.4	)		-160.8	%
										Point Chg												Point Chg
Loss ratio		142.5	%		53.2	%					89.3			90.4	%		49.5	%					40.9
Commission and brokerage ratio		17.4	%		22.5	%					(5.1	)		20.4	%		24.0	%					(3.6	)
Other underwriting expense ratio		1.8	%		2.7	%					(0.9	)		2.5	%		2.7	%					(0.2	)
Combined ratio		161.7	%		78.4	%					83.3			113.3	%		76.2	%					37.1
(Some amounts may not reconcile due to rounding.)

Premiums.Gross written premiums increased by 38.7% to $908.3 million for the three months ended September 30, 2017 from $654.8 million for the three months ended September 30, 2016, primarily due to an increase in the new crop reinsurance business related to the sale of Heartland and the influx of reinstatement premiums due to the catastrophe losses.  Net written premiums increased by 19.2% to $809.3 million for the three months ended September 30, 2017 compared to $678.8 million for the three months ended September 30, 2016.  The difference between the change in gross written premiums compared to the change in net written premiums is primarily due to varying utilization of reinsurance.  Premiums earned increased by 25.2% to $649.8 million for the three months ended September 30, 2017, compared to $519.2 million for the three months ended September 30, 2016.  The change in premiums earned relative to net written premiums is primarily the result of changes in the mix of business and timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

Gross written premiums increased by 22.9% to $1,962.2 million for the nine months ended September 30, 2017 from $1,597.0 million for the nine months ended September 30, 2016, primarily due to an increase in the new crop reinsurance business, an increase in treaty casualty business and the influx of reinstatement premiums due to the catastrophe losses.  Net written premiums increased by 14.8% to $1,711.9 million for the nine months ended September 30, 2017 compared to $1,491.2 million for the nine months ended September 30, 2016.  The difference between the change in gross written premiums compared to the change in net written premiums is primarily due to varying utilization of reinsurance.  Premiums earned increased by 8.8% to $1,609.8 million for the nine months ended September 30, 2017, compared to $1,479.0 million for the nine months ended September 30, 2016.  The change in premiums earned relative to net written premiums is primarily the result of changes in the mix of business and timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

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Incurred Losses and LAE.The following tables present the incurred losses and LAE for the U.S. Reinsurance segment for the periods indicated.

	Three Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	286.3		44.1	%		$	(0.9	)		-0.1	%		$	285.4		44.0	%
Catastrophes		639.1		98.4	%			1.0			0.1	%			640.0		98.5	%
Total Segment	$	925.4		142.5	%		$	0.1			0.0	%		$	925.4		142.5	%
2016
Attritional	$	263.7		50.8	%		$	(5.0	)		-1.0	%		$	258.7		49.8	%
Catastrophes		28.7		5.5	%			(11.1	)		-2.1	%			17.6		3.4	%
Total Segment	$	292.4		56.3	%		$	(16.1	)		-3.1	%		$	276.3		53.2	%
Variance 2017/2016
Attritional	$	22.6		(6.7	)	pts	$	4.1			0.9		pts	$	26.7		(5.8	)	pts
Catastrophes		610.4		92.9		pts		12.1			2.2		pts		622.4		95.1		pts
Total Segment	$	633.0		86.2		pts	$	16.2			3.1		pts	$	649.1		89.3		pts

	Nine Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	827.4		51.4	%		$	(9.6	)		-0.6	%		$	817.7		50.8	%
Catastrophes		642.8		39.9	%			(5.4	)		-0.3	%			637.4		39.6	%
Total Segment	$	1,470.2		91.3	%		$	(15.0	)		-0.9	%		$	1,455.1		90.4	%
2016
Attritional	$	736.8		49.8	%		$	(9.5	)		-0.6	%		$	727.3		49.2	%
Catastrophes		31.6		2.1	%			(26.5	)		-1.8	%			5.1		0.3	%
Total Segment	$	768.4		51.9	%		$	(36.0	)		-2.4	%		$	732.3		49.5	%
Variance 2017/2016
Attritional	$	90.6		1.6		pts	$	(0.1	)		-		pts	$	90.4		1.6		pts
Catastrophes		611.2		37.8		pts		21.1			1.5		pts		632.3		39.3		pts
Total Segment	$	701.8		39.4		pts	$	21.0			1.5		pts	$	722.8		40.9		pts
(Some amounts may not reconcile due to rounding.)

Incurred losses increased by 235.0% to $925.4 million for the three months ended September 30, 2017 compared to $276.3 million for the three months ended September 30, 2016, primarily due to an increase of $610.4 million in current year catastrophe losses and an increase of $22.6 million in current year attritional losses, resulting mainly from the impact of the increase in premiums earned and the impact of the new crop reinsurance contract which generally has a higher loss ratio.  The $639.1 million of current year catastrophe losses for the three months ended September 30, 2017 mainly related to Hurricane Irma ($378.1 million), Hurricane Harvey ($172.9 million), Hurricane Maria ($84.9 million) and the Mexico City earthquake ($3.5 million).  The $28.7 million of current year catastrophe losses for the three months ended September 30, 2016 were mainly due to Hurricane Hermine ($13.5 million), the 2016 U.S. storms ($12.7 million) and the Fort McMurray Canada wildfire ($2.6 million).

Incurred losses increased by 98.7% to $1,455.1 million for the nine months ended September 30, 2017 compared to $732.3 million for the nine months ended September 30, 2016, primarily due to an increase of $611.2 million in current year catastrophe losses and an increase of $90.6 million in current year attritional losses, resulting mainly from the impact of the increase in premiums earned and the impact of the new crop reinsurance contract.  The $642.8 million of current year catastrophe losses for the nine months ended September 30, 2017 related to Hurricane Irma ($378.1 million), Hurricane Harvey ($172.9 million), Hurricane Maria ($84.9 million), the 2017 US Midwest storms ($3.7 million) and the Mexico City earthquake

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($3.5 million).  The $31.6 million of current year catastrophe losses for the nine months ended September 30, 2016 were due to the 2016 U.S. storms ($19.1 million) and Hurricane Hermine ($13.5 million).

Segment Expenses.  Commission and brokerage expenses decreased by 2.8% to $113.4 million for the three months ended September 30, 2017 compared to $116.7 million for the three months ended September 30, 2016.  Commission and brokerage expenses decreased by 7.4% to $328.2 million for the nine months ended September 30, 2017 compared to $354.6 million for the nine months ended September 30, 2016.  The decreases are mainly due to the impact of the new crop reinsurance contract which generally has a lower expense ratio and other changes in the mix of business.

Segment other underwriting expenses decreased to $12.1 million for the three months ended September 30, 2017 from $14.3 million for the three months ended September 30, 2016.  The decrease for the three month period was primarily due to lower variable compensation costs.  Segment other underwriting expenses increased slightly to $40.6 million for the nine months ended September 30, 2017 from $39.9 million for the nine months ended September 30, 2016.

International.

The following table presents the underwriting results and ratios for the International segment for the periods indicated.

	Three Months Ended September 30,												Nine Months Ended September 30,
(Dollars in millions)	2017			2016			Variance			% Change			2017			2016			Variance			% Change
Gross written premiums	$	344.8		$	348.8		$	(4.0	)		-1.1	%	$	931.0		$	925.0		$	6.0			0.6	%
Net written premiums		330.8			316.2			14.6			4.6	%		848.8			799.9			48.9			6.1	%
Premiums earned	$	306.0		$	282.4		$	23.5			8.3	%	$	841.3		$	823.5		$	17.9			2.2	%
Incurred losses and LAE		563.1			122.2			440.9		NM				895.1			531.6			363.5			68.4	%
Commission and brokerage		68.4			78.4			(9.9	)		-12.7	%		199.4			209.3			(9.9	)		-4.7	%
Other underwriting expenses		8.3			11.0			(2.7	)		-24.7	%		27.6			26.8			0.8			2.9	%
Underwriting gain (loss)	$	(333.9	)	$	70.8		$	(404.7	)	NM			$	(280.8	)	$	55.7		$	(336.5	)	NM
										Point Chg												Point Chg
Loss ratio		184.0	%		43.2	%					140.8			106.5	%		64.5	%					42.0
Commission and brokerage ratio		22.4	%		27.8	%					(5.4	)		23.7	%		25.4	%					(1.7	)
Other underwriting expense ratio		2.7	%		3.9	%					(1.2	)		3.2	%		3.3	%					(0.1	)
Combined ratio		209.1	%		74.9	%					134.2			133.4	%		93.2	%					40.2
(NM, not meaningful)
(Some amounts may not reconcile due to rounding.)

Premiums.Gross written premiums decreased by 1.1% to $344.8 million for the three months ended September 30, 2017 compared to $348.8 million for the three months ended September 30, 2016, primarily due to the decline in Latin American business and a negative impact of $5.6 million from the movement of foreign exchange rates.  Net written premiums increased by 4.6% to $330.8 million for the three months ended September 30, 2017 compared to $316.2 million for the three months ended September 30, 2016.  The difference between the change in gross written premiums compared to the change in net written premiums is primarily due to varying utilization of reinsurance related to quota share contracts.  Premiums earned increased 8.3% to $306.0 million for the three months ended September 30, 2017 compared to $282.4 million for the three months ended September 30, 2016.  The change in premiums earned relative to net written premiums is primarily the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

Gross written premiums increased by 0.6% to $931.0 million for the nine months ended September 30, 2017 compared to $925.0 million for the nine months ended September 30, 2016, primarily due to the increases in Middle Eastern, African and Asian business and a positive impact of $17.7 million from the movement of foreign exchange rates, partially offset by the decline in Latin American business.  Net written premiums increased by 6.1% to $848.8 million for the nine months ended September 30, 2017 compared to $799.9 million for the nine months ended September 30, 2016.  The difference between the change in gross written premiums compared to the change in net written premiums is primarily due to varying

45

utilization of reinsurance related to quota share contracts.  Premiums earned increased 2.2% to $841.3 million for the nine months ended September 30, 2017 compared to $823.5 million for the nine months ended September 30, 2016.  The change in premiums earned relative to net written premiums is primarily the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

Incurred Losses and LAE. The following tables present the incurred losses and LAE for the International segment for the periods indicated.

	Three Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total			Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred			Pt Change
2017
Attritional	$	150.2		49.1	%		$	-			0.0	%		$	150.2			49.1	%
Catastrophes		415.0		135.6	%			(2.2	)		-0.7	%			412.8			134.9	%
Total Segment	$	565.2		184.7	%		$	(2.2	)		-0.7	%		$	563.1			184.0	%
2016
Attritional	$	132.6		46.9	%		$	-			0.0	%		$	132.6			46.9	%
Catastrophes		20.5		7.2	%			(30.9	)		-10.9	%			(10.4	)		-3.7	%
Total Segment	$	153.1		54.1	%		$	(30.9	)		-10.9	%		$	122.2			43.2	%
Variance 2017/2016
Attritional	$	17.6		2.2		pts	$	-			-		pts	$	17.6			2.2		pts
Catastrophes		394.5		128.4		pts		28.7			10.2		pts		423.2			138.6		pts
Total Segment	$	412.1		130.6		pts	$	28.7			10.2		pts	$	440.9			140.8		pts

	Nine Months Ended September 30,
	Current			Ratio %/				Prior			Ratio %/				Total			Ratio %/
(Dollars in millions)	Year			Pt Change				Years			Pt Change				Incurred			Pt Change
2017
Attritional	$	423.9			50.4	%		$	-			0.0	%		$	423.9			50.4	%
Catastrophes		470.8			56.0	%			0.4			0.1	%			471.2			56.1	%
Total Segment	$	894.7			106.4	%		$	0.4			0.1	%		$	895.1			106.5	%
2016
Attritional	$	437.3			53.1	%		$	(11.2	)		-1.4	%		$	426.1			51.7	%
Catastrophes		138.7			16.8	%			(33.2	)		-4.0	%			105.5			12.8	%
Total Segment	$	576.0			69.9	%		$	(44.4	)		-5.4	%		$	531.6			64.5	%
Variance 2017/2016
Attritional	$	(13.4	)		(2.7	)	pts	$	11.2			1.4		pts	$	(2.2	)		(1.3	)	pts
Catastrophes		332.1			39.2		pts		33.6			4.1		pts		365.7			43.3		pts
Total Segment	$	318.7			36.5		pts	$	44.8			5.5		pts	$	363.5			42.0		pts
(Some amounts may not reconcile due to rounding.)

Incurred losses and LAE increased to $563.1 million for the three months ended September 30, 2017 compared to $122.2 million for the three months ended September 30, 2016, primarily due to an increase of $394.5 million in current year catastrophe losses, favorable development on prior years catastrophe losses in 2016, which did not recur in 2017 and an increase in current year attritional losses of $17.6 million mainly related to the impact of the increase in premiums earned.  The $415.0 million of current year catastrophe losses for the three months ended September 30, 2017 primarily related to Hurricane Maria ($260.3 million), Hurricane Irma ($82.4 million), the Mexico City earthquake ($70.0 million), Hurricane Harvey ($2.0 million) and the Peru storms ($0.5 million).  The $20.5 million of current year catastrophe losses for the three months ended September 30, 2016 were mainly due to the Fort McMurray Canada wildfire ($14.8 million), the 2016 Taiwan earthquake ($4.6 million), the 2016 U.S. storms ($0.6 million) and the Ecuador earthquake ($0.4 million).

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Incurred losses and LAE increased by 68.4% to $895.1 million for the nine months ended September 30, 2017 compared to $531.6 million for the nine months ended September 30, 2016, primarily due to an increase of $332.1 million in current year catastrophe losses and favorable development of $33.2 million on prior years catastrophe losses in 2016 which did not recur in 2017.  The $470.8 million of current year catastrophe losses for the nine months ended September 30, 2017 related to Hurricane Maria ($260.3 million), Hurricane Irma ($82.4 million), the Mexico City earthquake ($70.0 million), the South Africa Knysna fires ($25.0 million), Cyclone Debbie in Australia ($16.9 million), the Peru storms ($14.2 million) and Hurricane Harvey ($2.0 million).  The $138.7 million of current year catastrophe losses for the nine months ended September 30, 2016 were due to the Fort McMurray Canada wildfire ($99.2 million), the Ecuador earthquake ($23.6 million), the 2016 Taiwan earthquake ($15.3 million) and the 2016 U.S. storms ($0.6 million).

Segment Expenses.Commission and brokerage decreased by 12.7% to $68.4 million for the three months ended September 30, 2017 compared to $78.4 million for the three months ended September 30, 2016.  Commission and brokerage decreased by 4.7% to $199.4 million the nine months ended September 30, 2017 compared to $209.3 million for the nine months ended September 30, 2016.  The decreases were primarily due to the changes in the mix of business and the impact of the quota share contracts.

Segment other underwriting expenses decreased to $8.3 million for the three months ended September 30, 2017 compared to $11.0 million for the three months ended September 30, 2016, and increased slightly to $27.6 million for the nine months ended September 30, 2017 compared to $26.8 million for the nine months ended September 30, 2016.  The decrease for the three month period is primarily due to lower variable compensation costs.

Bermuda.

The following table presents the underwriting results and ratios for the Bermuda segment for the periods indicated.

	Three Months Ended September 30,												Nine Months Ended September 30,
(Dollars in millions)	2017			2016			Variance			% Change			2017			2016			Variance			% Change
Gross written premiums	$	311.8		$	246.0		$	65.8			26.7	%	$	870.5		$	612.7		$	257.8			42.1	%
Net written premiums		287.6			229.4			58.2			25.4	%		810.4			562.1			248.3			44.2	%
Premiums earned	$	267.5		$	215.8		$	51.7			24.0	%	$	766.1		$	610.5		$	155.6			25.5	%
Incurred losses and LAE		301.3			127.2			174.1			136.8	%		595.1			348.6			246.5			70.7	%
Commission and brokerage		83.9			59.6			24.3			40.7	%		205.8			169.4			36.4			21.5	%
Other underwriting expenses		9.0			8.8			0.3			3.0	%		27.6			26.3			1.3			4.8	%
Underwriting gain (loss)	$	(126.7	)	$	20.1		$	(147.0	)	NM			$	(62.3	)	$	66.2		$	(128.5	)		-194.2	%
										Point Chg												Point Chg
Loss ratio		112.6	%		59.0	%					53.6			77.6	%		57.0	%					20.6
Commission and brokerage ratio		31.4	%		27.6	%					3.8			26.9	%		27.8	%					(0.9	)
Other underwriting expense ratio		3.4	%		4.1	%					(0.7	)		3.6	%		4.4	%					(0.8	)
Combined ratio		147.4	%		90.7	%					56.7			108.1	%		89.2	%					18.9
(Some amounts may not reconcile due to rounding.)

Premiums. Gross written premiums increased by 26.7% to $311.8 million for the three months ended September 30, 2017 compared to $246.0 million for the three months ended September 30, 2016, primarily due to increased casualty business written through the Bermuda office, increased production from the U.K. office and a positive impact of $2.9 million from the movement of foreign exchange rates.  Net written premiums increased by 25.4% to $287.6 million for the three months ended September 30, 2017 compared to $229.4 million for the three months ended September 30, 2016.  The change in net premiums is comparable to the change in gross written premiums.  Premiums earned increased 24.0% to $267.5 million for the three months ended September 30, 2017 compared to $215.8 million for the three months ended September 30, 2016.  The change in premiums earned relative to net written premiums is the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

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Gross written premiums increased by 42.1% to $870.5 million for the nine months ended September 30, 2017 compared to $612.7 million for the nine months ended September 30, 2016, primarily due to increased casualty and financial lines of business written through the Bermuda office and increased production from the U.K. and Ireland offices, partially offset by a negative impact of $12.1 million from the movement of foreign exchange rates.  Net written premiums increased by 44.2% to $810.4 million for the nine months ended September 30, 2017 compared to $562.1 million for the nine months ended September 30, 2016.  The change in net premiums is comparable to the change in gross written premiums.  Premiums earned increased 25.5% to $766.1 million for the nine months ended September 30, 2017 compared to $610.5 million for the nine months ended September 30, 2016.  The change in premiums earned relative to net written premiums is the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period.

Incurred Losses and LAE.  The following tables present the incurred losses and LAE for the Bermuda segment for the periods indicated.

	Three Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	147.2		55.0	%		$	-			0.0	%		$	147.2		55.0	%
Catastrophes		153.2		57.3	%			0.9			0.3	%			154.1		57.6	%
Total Segment	$	300.4		112.3	%		$	0.9			0.3	%		$	301.3		112.6	%
2016
Attritional	$	117.0		54.2	%		$	-			0.0	%		$	117.0		54.2	%
Catastrophes		10.6		4.9	%			(0.3	)		-0.1	%			10.3		4.8	%
Total Segment	$	127.5		59.1	%		$	(0.3	)		-0.1	%		$	127.2		59.0	%
Variance 2017/2016
Attritional	$	30.2		0.8		pts	$	-			-		pts	$	30.2		0.8		pts
Catastrophes		142.6		52.4		pts		1.2			0.4		pts		143.8		52.8		pts
Total Segment	$	172.9		53.2		pts	$	1.2			0.4		pts	$	174.1		53.6		pts

	Nine Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	436.1		56.9	%		$	-			0.0	%		$	436.1		56.9	%
Catastrophes		154.1		20.1	%			4.9			0.6	%			159.0		20.7	%
Total Segment	$	590.2		77.0	%		$	4.9			0.6	%		$	595.1		77.6	%
2016
Attritional	$	342.7		56.1	%		$	3.6			0.6	%		$	346.3		56.7	%
Catastrophes		10.6		1.7	%			(8.3	)		-1.4	%			2.3		0.3	%
Total Segment	$	353.3		57.8	%		$	(4.7	)		-0.8	%		$	348.6		57.0	%
Variance 2017/2016
Attritional	$	93.4		0.8		pts	$	(3.6	)		(0.6	)	pts	$	89.8		0.2		pts
Catastrophes		143.5		18.4		pts		13.2			2.0		pts		156.7		20.4		pts
Total Segment	$	236.9		19.2		pts	$	9.6			1.4		pts	$	246.5		20.6		pts
(Some amounts may not reconcile due to rounding.)

Incurred losses and LAE increased by 136.8% to $301.3 million for the three months ended September 30, 2017 compared to $127.2 million for the three months ended September 30, 2016, primarily due to an increase of $142.6 million in current year catastrophe losses and an increase of $30.2 million in current year attritional losses related primarily to the impact of the increase in premiums earned.  The $153.2 million of current year catastrophe losses for the three months ended September 30, 2017 primarily related to Hurricane Maria ($56.4 million), Hurricane Irma ($42.4 million), Hurricane Harvey ($37.5 million) and the

48

Mexico City earthquake ($17.0 million).  The $10.6 million of current year catastrophe losses for the three months ended September 30, 2016 were mainly due to the Fort McMurray Canada wildfire ($10.4 million) and the 2016 U.S. storms ($0.1 million).

Incurred losses and LAE increased by 70.7% to $595.1 million for the nine months ended September 30, 2017 compared to $348.6 million for the nine months ended September 30, 2016, primarily due to an increase of $143.5 million in current year catastrophe losses, an increase of $93.4 million in current year attritional losses related primarily to the impact of the increase in premiums earned and less favorable development of $13.2 million on prior years catastrophe losses in 2017 compared to 2016.  The $154.1 million of current year catastrophe losses for the nine months ended September 30, 2017 primarily related to Hurricane Maria ($56.4 million), Hurricane Irma ($42.4 million), Hurricane Harvey ($37.5 million), the Mexico City earthquake ($17.0 million) and Cyclone Debbie in Australia ($0.9 million).  The $10.6 million of current year catastrophe losses for the nine months ended September 30, 2016 were mainly due to the Fort McMurray Canada wildfire ($10.4 million) and the 2016 U.S. storms ($0.1 million).

Segment Expenses. Commission and brokerage increased by 40.7% to $83.9 million for the three months ended September 30, 2017 compared to $59.6 million for the three months ended September 30, 2016.  Commission and brokerage increased by 21.5% to $205.8 million for the nine months ended September 30, 2017 compared to $169.4 million for the nine months ended September 30, 2016.  The increases were mainly due to the impact of the increase in premiums earned and higher contingent commissions.

Segment other underwriting expenses increased slightly to $9.0 million for the three months ended September 30, 2017 compared to $8.8 million for the three months ended September 30, 2016 and increased slightly to $27.6 million for the nine months ended September 30, 2017 compared to $26.3 million for the nine months ended September 30, 2016.

Insurance.

The following table presents the underwriting results and ratios for the Insurance segment for the periods indicated.

	Three Months Ended September 30,												Nine Months Ended September 30,
(Dollars in millions)	2017			2016			Variance			% Change			2017			2016			Variance			% Change
Gross written premiums	$	480.1		$	533.0		$	(53.0	)		-9.9	%	$	1,483.8		$	1,364.5		$	119.3			8.7	%
Net written premiums		370.4			340.2			30.2			8.9	%		1,179.9			1,047.9			132.0			12.6	%
Premiums earned	$	375.7		$	354.1		$	21.6			6.1	%	$	1,063.5		$	966.3		$	97.2			10.1	%
Incurred losses and LAE		420.2			260.5			159.8			61.3	%		896.9			732.3			164.6			22.5	%
Commission and brokerage		67.4			54.9			12.5			22.8	%		181.9			146.7			35.2			24.0	%
Other underwriting expenses		43.7			44.5			(0.8	)		-1.8	%		132.1			129.8			2.3			1.8	%
Underwriting gain (loss)	$	(155.6	)	$	(5.7	)	$	(149.9	)	NM			$	(147.5	)	$	(42.5	)	$	(105.0	)		247.3	%
										Point Chg												Point Chg
Loss ratio		111.9	%		73.5	%					38.4			84.4	%		75.8	%					8.6
Commission and brokerage ratio		17.9	%		15.5	%					2.4			17.1	%		15.2	%					1.9
Other underwriting expense ratio		11.6	%		12.6	%					(1.0	)		12.4	%		13.4	%					(1.0	)
Combined ratio		141.4	%		101.6	%					39.8			113.9	%		104.4	%					9.5
(Some amounts may not reconcile due to rounding.)

Premiums. Gross written premiums decreased by 9.9% to $480.1 million for the three months ended September 30, 2017 compared to $533.0 million for the three months ended September 30, 2016.  This decrease was primarily due to the sale of Heartland, which accounted for $162.4 million of gross written premiums in the third quarter of 2016.  Excluding the impact of Heartland, gross written premiums increased by $109.4 million due to higher production from many lines of business, including retail casualty, surety, accident and health and business written through the Lloyd's Syndicate.  Net written premiums increased by 8.9% to $370.4 million for the three months ended September 30, 2017 compared to $340.2 million for the three months ended September 30, 2016.  The difference between the change in gross written premiums compared to the change in net written premiums is mainly due to the more conservative reinsurance position that we have taken to support our new business.  Premiums earned increased 6.1% to $375.7

49

million for the three months ended September 30, 2017 compared to $354.1 million for the three months ended September 30, 2016.  The change in premiums earned relative to net written premiums is the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period, as well as changes in the mix of business.

Gross written premiums increased by 8.7% to $1,483.8 million for the nine months ended September 30, 2017 compared to $1,364.5 million for nine months ended September 30, 2016.  Excluding the impact of the sale of Heartland, which accounted for $229.9 million of gross written premiums in the nine months ended September 30, 2016, gross written premiums increased $349.3 million.  This increase was primarily driven by expansion of various insurance lines of business including retail casualty, retail property, surety, accident and health and premiums written through the Lloyd's Syndicate.  Net written premiums increased by 12.6% to $1,179.9 million for the nine months ended September 30, 2017 compared to $1,047.9 million for the nine months ended September 30, 2016.  The difference between the change in gross written premiums compared to the change in net written premiums is mainly due to the more conservative reinsurance position that we have taken to support our new business.  Premiums earned increased 10.1% to $1,063.5 million for the nine months ended September 30, 2017 compared to $966.3 million for the nine months ended September 30, 2016.  The change in premiums earned relative to net written premiums is the result of timing; premiums are earned ratably over the coverage period whereas written premiums are recorded at the initiation of the coverage period, as well as changes in the mix of business.

Incurred Losses and LAE.The following tables present the incurred losses and LAE for the Insurance segment for the periods indicated.

	Three Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total			Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred			Pt Change
2017
Attritional	$	257.0		68.4	%		$	0.0			0.0	%		$	257.0			68.4	%
Catastrophes		163.0		43.4	%			0.3			0.1	%			163.3			43.5	%
Total Segment	$	420.0		111.8	%		$	0.3			0.1	%		$	420.2			111.9	%
2016
Attritional	$	256.1		72.3	%		$	4.3			1.2	%		$	260.5			73.5	%
Catastrophes		-		0.0	%			-			0.0	%			-			0.0	%
Total Segment	$	256.1		72.3	%		$	4.3			1.2	%		$	260.5			73.5	%
Variance 2017/2016
Attritional	$	0.9		(3.9	)	pts	$	(4.3	)		(1.2	)	pts	$	(3.5	)		(5.1	)	pts
Catastrophes		163.0		43.4		pts		0.3			0.1		pts		163.3			43.5		pts
Total Segment	$	163.9		39.5		pts	$	(4.0	)		(1.1	)	pts	$	159.8			38.4		pts

	Nine Months Ended September 30,
	Current		Ratio %/				Prior			Ratio %/				Total		Ratio %/
(Dollars in millions)	Year		Pt Change				Years			Pt Change				Incurred		Pt Change
2017
Attritional	$	712.4		67.0	%		$	8.4			0.8	%		$	720.7		67.8	%
Catastrophes		176.0		16.6	%			0.1			0.0	%			176.2		16.6	%
Total Segment	$	888.4		83.6	%		$	8.5			0.8	%		$	896.9		84.4	%
2016
Attritional	$	680.7		70.4	%		$	13.3			1.4	%		$	694.1		71.8	%
Catastrophes		38.4		4.0	%			(0.2	)		0.0	%			38.2		4.0	%
Total Segment	$	719.1		74.4	%		$	13.2			1.4	%		$	732.3		75.8	%
Variance 2017/2016
Attritional	$	31.7		(3.4	)	pts	$	(4.9	)		(0.6	)	pts	$	26.6		(4.0	)	pts
Catastrophes		137.6		12.6		pts		0.3			-		pts		138.0		12.6		pts
Total Segment	$	169.3		9.2		pts	$	(4.6	)		(0.6	)	pts	$	164.6		8.6		pts
(Some amounts may not reconcile due to rounding.)

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Incurred losses and LAE increased by 61.3% to $420.2 million for the three months ended September 30, 2017 compared to $260.5 million for the three months ended September 30, 2016 mainly due to an increase of $163.0 million in current year catastrophe losses.  The $163.0 million of current year catastrophe losses for the three months ended September 30, 2017 were due to Hurricane Harvey ($74.0 million), Hurricane Irma ($72.0 million), Hurricane Maria ($14.0 million), and the Mexico City earthquake ($3.0 million).  There were no current year catastrophe losses for the three months ended September 30, 2016.

Incurred losses and LAE increased by 22.5% to $896.9 million for the nine months ended September 30, 2017 compared to $732.3 million for the nine months ended September 30, 2016 mainly due to an increase of $137.6 million in current year catastrophe losses and an increase of $31.7 million in current year attritional losses related primarily to the increase in premiums earned.  The $176.0 million of current year catastrophe losses for the nine months ended September 30, 2017 were due to Hurricane Harvey ($74.0 million), Hurricane Irma ($72.0 million), Hurricane Maria ($14.0 million), the 2017 US Midwest storms ($12.0 million), the Mexico City earthquake ($3.0 million) and Cyclone Debbie in Australia ($1.0 million).  The $38.4 million of current year catastrophe losses for the nine months ended September 30, 2016 were due to the 2016 U.S. storms ($30.0 million) and the Fort McMurray Canada wildfire ($8.4 million).

Segment Expenses.  Commission and brokerage increased by 22.8% to $67.4 million for the three months ended September 30, 2017 compared to $54.9 million for the three months ended September 30, 2016.  Commission and brokerage increased by 24.0% to $181.9 million for the nine months ended September 30, 2017 compared to $146.7 million for the nine months ended September 30, 2016.  The increases were mainly due to the impact of the increase in premiums earned and changes in the mix of business.

Segment other underwriting expenses decreased slightly to $43.7 million for the three months ended September 30, 2017 compared to $44.5 million for the three months ended September 30, 2016.  Segment other underwriting expenses increased slightly to $132.1 million for the nine months ended September 30, 2017 compared to $129.8 million for the nine months ended September 30, 2016.

FINANCIAL CONDITION

Cash and Invested Assets.  Aggregate invested assets, including cash and short-term investments, were $18,482.0 million at September 30, 2017, an increase of $998.9 million compared to $17,483.1 million at December 31, 2016.  This increase was primarily the result of $1,044.2 million of cash flows from operations, $254.7 million due to fluctuations in foreign currencies, $54.2 million in equity adjustments of our limited partnership investments and $37.1 million in fair value re-measurements, partially offset by $219.2 million of unsettled securities, $153.9 million paid out in dividends to shareholders, $34.7 million of amortization bond premium, $10.7 million of pre-tax unrealized depreciation and $5.2 million of other-than-temporary impairments.

Our principal investment objectives are to ensure funds are available to meet our insurance and reinsurance obligations and to maximize after-tax investment income while maintaining a high quality diversified investment portfolio.  Considering these objectives, we view our investment portfolio as having two components: 1) the investments needed to satisfy outstanding liabilities (our core fixed maturities portfolio) and 2) investments funded by our shareholders' equity.

For the portion needed to satisfy global outstanding liabilities, we generally invest in taxable and tax-preferenced fixed income securities with an average credit quality of Aa3.  For the U.S. portion of this portfolio, our mix of taxable and tax-preferenced investments is adjusted periodically, consistent with our current and projected U.S. operating results, market conditions and our tax position.  This global fixed maturity securities portfolio is externally managed by an independent, professional investment manager using portfolio guidelines approved by internal management.

Over the past several years, we have expanded the allocation of our investments funded by shareholders' equity to include:  1) a greater percentage of publicly traded equity securities, 2) emerging market fixed maturities through mutual fund structures, as well as individual holdings, 3) high yield fixed maturities, 4) bank loan securities and 5) private equity limited partnership investments.  The objective of this portfolio

51

diversification is to enhance the risk-adjusted total return of the investment portfolio by allocating a prudent portion of the portfolio to higher return asset classes, which are also less subject to changes in value with movements in interest rates.  We limit our allocation to these asset classes because of 1) the potential for volatility in their values and 2) the impact of these investments on regulatory and rating agency capital adequacy models.  We use investment managers experienced in these markets and adjust our allocation to these investments based upon market conditions.  At September 30, 2017, the market value of investments in these investment market sectors, carried at both market and fair value, approximated 52.9% of shareholders' equity.

The Company's limited partnership investments are comprised of limited partnerships that invest in private equities.  Generally, the limited partnerships are reported on a quarter lag.  We receive annual audited financial statements for all of the limited partnerships which are prepared using fair value accounting in accordance with FASB guidance.  For the quarterly reports, the Company's staff performs reviews of the financial reports for any unusual changes in carrying value.  If the Company becomes aware of a significant decline in value during the lag reporting period, the loss will be recorded in the period in which the Company identifies the decline.

The tables below summarize the composition and characteristics of our investment portfolio as of the dates indicated.

(Dollars in millions)	At September 30, 2017				At December 31, 2016
Fixed maturities, market value	$	14,778.2	80.0	%	$	14,107.4	80.7	%
Equity securities, market value		127.4	0.7	%		119.1	0.7	%
Equity securities, fair value		1,141.1	6.2	%		1,010.1	5.8	%
Short-term investments		362.4	2.0	%		431.5	2.5	%
Other invested assets		1,487.5	8.0	%		1,333.1	7.6	%
Cash		585.4	3.1	%		481.9	2.7	%
Total investments and cash	$	18,482.0	100.0	%	$	17,483.1	100.0	%
(Some amounts may not reconcile due to rounding.)

	At	At
	September 30, 2017	December 31, 2016
Fixed income portfolio duration (years)	3.2	3.3
Fixed income composite credit quality	Aa3	Aa3
Imbedded end of period yield, pre-tax	3.0%	2.9%
Imbedded end of period yield, after-tax	2.5%	2.4%

The following table provides a comparison of our total return by asset class relative to broadly accepted industry benchmarks for the periods indicated:

	Nine Months Ended	Twelve Months Ended
	September 30, 2017	December 31, 2016
Fixed income portfolio total return	2.4%	3.1%
Barclay's Capital - U.S. aggregate index	3.1%	2.7%
Common equity portfolio total return	10.1%	8.4%
S&P 500 index	14.2%	12.0%
Other invested asset portfolio total return	5.9%	4.3%

The pre-tax equivalent total return for the bond portfolio was approximately 3.6% and 5.0%, respectively, for the nine months ended September 30, 2017 and the twelve months ended December 31, 2016.  The pre-tax equivalent return adjusts the yield on tax-exempt bonds to the fully taxable equivalent.

52

Our fixed income and equity portfolios have different compositions than the benchmark indexes.  Our fixed income portfolios have a shorter duration because we align our investment portfolio with our liabilities.  We also hold foreign securities to match our foreign liabilities while the index is comprised of only U.S. securities. Our equity portfolios reflect an emphasis on dividend yield and growth equities, while the index is comprised of the largest 500 equities by market capitalization.

Reinsurance Receivables.

Reinsurance receivables for both paid and recoverable on unpaid losses totaled $1,366.9 million and $1,018.3 million at September 30, 2017 and December 31, 2016, respectively.  At September 30, 2017, $329.9 million, or 24.1%, was receivable from Mt. Logan Re segregated accounts; $156.3 million, or 11.4%, was receivable from Resolution Group Reinsurance (Barbados) Limited ("Resolution Group"); $118.8 million, or 8.7%, was receivable from Zurich Vericherungs Gesellschaft ("Zurich"); $114.6 million, or 8.4%, was receivable from C.V. Starr (Bermuda) ("C.V. Starr"); $78.9 million, or 5.8%, was receivable from Tokio Millenium Re Ltd. ("Tokio")  and $73.6 million, or 5.4%, was receivable from Munich Reinsurance America, Inc. ("Munich Re").  The receivables from Resolution Group and C.V. Starr are fully collateralized by individual trust agreements.  No other retrocessionaire accounted for more than 5% of our receivables.

Loss and LAE Reserves.  Gross loss and LAE reserves totaled $12,455.4 million at September 30, 2017 and $10,312.3 million at December 31, 2016.

The following tables summarize gross outstanding loss and LAE reserves by segment, classified by case reserves and IBNR reserves, for the periods indicated.

	At September 30, 2017
	Case		IBNR		Total		% of
(Dollars in millions)	Reserves		Reserves		Reserves		Total
U.S. Reinsurance	$	1,416.4	$	2,857.0	$	4,273.5		34.3	%
International		1,006.5		1,352.1		2,358.6		18.9	%
Bermuda		938.2		1,478.3		2,416.5		19.4	%
Insurance		972.1		2,019.1		2,991.2		24.0	%
Total excluding A&E		4,333.3		7,706.5		12,039.7		96.7	%
A&E		266.6		149.0		415.6		3.3	%
Total including A&E	$	4,599.9	$	7,855.5	$	12,455.4		100.0	%
(Some amounts may not reconcile due to rounding.)

	At December 31, 2016
	Case		IBNR		Total		% of
(Dollars in millions)	Reserves		Reserves		Reserves		Total
U.S. Reinsurance	$	1,316.3	$	2,033.9	$	3,350.3		32.5	%
International		893.5		850.3		1,743.8		16.9	%
Bermuda		770.0		1,189.0		1,959.1		19.0	%
Insurance		1,018.5		1,799.5		2,818.1		27.3	%
Total excluding A&E		3,998.4		5,872.8		9,871.2		95.7	%
A&E		293.5		147.6		441.1		4.3	%
Total including A&E	$	4,291.9	$	6,020.4	$	10,312.3		100.0	%
(Some amounts may not reconcile due to rounding.)

Changes in premiums earned and business mix, reserve re-estimations, catastrophe losses and changes in catastrophe loss reserves and claim settlement activity all impact loss and LAE reserves by segment and in total.

Our loss and LAE reserves represent management's best estimate of our ultimate liability for unpaid claims.  We continuously re-evaluate our reserves, including re-estimates of prior period reserves, taking into consideration all available information and, in particular, newly reported loss and claim experience.  Changes in reserves resulting from such re-evaluations are reflected in incurred losses in the period when the re-

53

evaluation is made.  Our analytical methods and processes operate at multiple levels including individual contracts, groupings of like contracts, classes and lines of business, internal business units, segments, legal entities, and in the aggregate.  In order to set appropriate reserves, we make qualitative and quantitative analyses and judgments at these various levels.  Additionally, the attribution of reserves, changes in reserves and incurred losses among accident years requires qualitative and quantitative adjustments and allocations at these various levels.  We utilize actuarial science, business expertise and management judgment in a manner intended to ensure the accuracy and consistency of our reserving practices.  Nevertheless, our reserves are estimates, which are subject to variation, which may be significant.

There can be no assurance that reserves for, and losses from, claim obligations will not increase in the future, possibly by a material amount.  However, we believe that our existing reserves and reserving methodologies lessen the probability that any such increase would have a material adverse effect on our financial condition, results of operations or cash flows.

Asbestos and Environmental Exposures.  A&E exposures represent a separate exposure group for monitoring and evaluating reserve adequacy.  The following table summarizes the outstanding loss reserves with respect to A&E reserves on both a gross and net of retrocessions basis for the periods indicated.

	At			At
	September 30,			December 31,
(Dollars in millions)	2017			2016
Gross reserves	$	415.6		$	441.1
Reinsurance receivable		(122.6	)		(122.0	)
Net reserves	$	293.0		$	319.1

With respect to asbestos only, at September 30, 2017, we had net asbestos loss reserves of $281.0 million, or 95.9%, of total net A&E reserves, all of which was for assumed business.

On July 13, 2015, we sold Mt. McKinley to Clearwater Insurance Company.  Concurrently with the closing, we entered into a retrocession treaty with an affiliate of Clearwater.  Per the retrocession treaty, we retroceded 100% of the liabilities associated with certain Mt. McKinley policies, which had been reinsured by Bermuda Re.  As consideration for entering into the retrocession treaty, Bermuda Re transferred cash of $140.3 million, an amount equal to the net loss reserves as of the closing date.  Of the $140.3 million of net loss reserves retroceded, $100.5 million were related to A&E business.  The maximum liability retroceded under the retrocession treaty will be $440.3 million, equal to the retrocession payment plus $300.0 million.  We will retain liability for any amounts exceeding the maximum liability retroceded under the retrocession treaty.

Ultimate loss projections for A&E liabilities cannot be accomplished using standard actuarial techniques.  We believe that our A&E reserves represent management's best estimate of the ultimate liability; however, there can be no assurance that ultimate loss payments will not exceed such reserves, perhaps by a significant amount.

Industry analysts use the "survival ratio" to compare the A&E reserves among companies with such liabilities.  The survival ratio is typically calculated by dividing a company's current net reserves by the three year average of annual paid losses.  Hence, the survival ratio equals the number of years that it would take to exhaust the current reserves if future loss payments were to continue at historical levels.  Using this measurement, our net three year asbestos survival ratio was 5.6 years at September 30, 2017.  These metrics can be skewed by individual large settlements occurring in the prior three years and therefore, may not be indicative of the timing of future payments.

Shareholders' Equity.  Our shareholders' equity decreased to $7,969.3 million as of September 30, 2017 from $8,075.4 million as of December 31, 2016.  This decrease was the result of $153.9 million of shareholder dividends and $102.1 million of net loss, partially offset by $125.1 million of net foreign currency translation adjustments, $17.4 million of share-based compensation transactions, $5.4 million of net benefit plan obligation adjustments and $2.0 million of unrealized appreciation on investments, net of tax.

54

LIQUIDITY AND CAPITAL RESOURCES

Capital.  Shareholders' equity at September 30, 2017 and December 31, 2016 was $7,969.3 million and $8,075.4 million, respectively.  Management's objective in managing capital is to ensure its overall capital level, as well as the capital levels of its operating subsidiaries, exceed the amounts required by regulators, the amount needed to support our current financial strength ratings from rating agencies and our own economic capital models.  The Company's capital has historically exceeded these benchmark levels.

Our two main operating companies Bermuda Re and Everest Re are regulated by the Bermuda Monetary Authority ("BMA") and the State of Delaware, Department of Insurance, respectively.  Both regulatory bodies have their own capital adequacy models based on statutory capital as opposed to GAAP basis equity.  Failure to meet the required statutory capital levels could result in various regulatory restrictions, including business activity and the payment of dividends to their parent companies.

The regulatory targeted capital and the actual statutory capital for Bermuda Re and Everest Re were as follows:

	Bermuda Re (1)				Everest Re (2)
	At December 31,				At December 31,
(Dollars in millions)	2016		2015		2016		2015
Regulatory targeted capital	$	2,025.7	$	2,079.0	$	1,411.4	$	1,355.7
Actual capital	$	2,950.5	$	2,635.7	$	3,635.1	$	3,210.9

⁽¹⁾  Regulatory targeted capital represents the target capital level from the applicable year's BSCR calculation.

⁽²⁾  Regulatory targeted capital represents 200% of the RBC authorized control level calculation for the applicable year.

Our financial strength ratings as determined by A.M. Best, Standard & Poor's and Moody's are important as they provide our customers and investors with an independent assessment of our financial strength using a rating scale that provides for relative comparisons.  We continue to possess significant financial flexibility and access to debt and equity markets as a result of our financial strength, as evidenced by the financial strength ratings as assigned by independent rating agencies.

We maintain our own economic capital models to monitor and project our overall capital, as well as, the capital at our operating subsidiaries.  A key input to the economic models is projected income and this input is continually compared to actual results, which may require a change in the capital strategy.

During 2016 and through the third quarter of 2017, we repurchased 2.1 million shares for $386.3 million in the open market and paid $349.3 million in dividends to adjust our capital position and enhance long term expected returns to our shareholders.  We may at times enter into a Rule 10b5-1 repurchase plan agreement to facilitate the repurchase of shares.  On November 19, 2014, our existing Board authorization to purchase up to 25 million of our shares was amended to authorize the purchase of up to 30 million shares.  As of September 30, 2017, we had repurchased 28.0 million shares under this authorization.

Liquidity.  Our liquidity requirements are generally met from positive cash flow from operations.  Positive cash flow results from reinsurance and insurance premiums being collected prior to disbursements for claims, which disbursements generally take place over an extended period after the collection of premiums, sometimes a period of many years.  Collected premiums are generally invested, prior to their use in such disbursements, and investment income provides additional funding for loss payments.  Our net cash flows from operating activities were $1,044.2 million and $960.7 million for the nine months ended September 30, 2017 and 2016, respectively.  Additionally, these cash flows reflected net tax payments of $58.7 million and $40.1 million for the nine months ended September 30, 2017 and 2016, respectively, and net catastrophe loss payments of $305.3 million and $103.5 million for the nine months ended September 30, 2017 and 2016, respectively.

If disbursements for claims and benefits, policy acquisition costs and other operating expenses were to exceed premium inflows, cash flow from reinsurance and insurance operations would be negative.  The effect on cash flow from insurance operations would be partially offset by cash flow from investment income.

55

Additionally, cash inflows from investment maturities and dispositions, both short-term investments and longer term maturities are available to supplement other operating cash flows.

As the timing of payments for claims and benefits cannot be predicted with certainty, we maintain portfolios of long term invested assets with varying maturities, along with short-term investments that provide additional liquidity for payment of claims.  At September 30, 2017 and December 31, 2016, we held cash and short-term investments of $947.8 million and $913.4 million, respectively.  Our short-term investments are generally readily marketable and can be converted to cash.  Starting in the first quarter of 2016, we implemented a new liquidity sweep facility with investments in short maturity, investment grade, U.S. dollar denominated fixed income securities.  The facility is structured as a limited liability corporation so it is classified on our balance sheet as part of other invested assets.  This facility had $368.0 million of available liquidity at September 30, 2017.  In addition to these cash and short-term investments, at September 30, 2017, we had $1,095.3 million of available for sale fixed maturity securities maturing within one year or less, $7,334.5 million maturing within one to five years and $3,158.4 million maturing after five years.  Our $1,268.6 million of equity securities are comprised primarily of publicly traded securities that can be easily liquidated.  We believe that these fixed maturity and equity securities, in conjunction with the short-term investments and positive cash flow from operations, provide ample sources of liquidity for the expected payment of losses in the near future.  We do not anticipate selling a significant amount of securities or using available credit facilities to pay losses and LAE but have the ability to do so.  Sales of securities might result in realized capital gains or losses.  At September 30, 2017 we had $150.7 million of net pre-tax unrealized appreciation related to fixed maturity and equity securities, comprised of $299.1 million of pre-tax unrealized appreciation and $148.4 million of pre-tax unrealized depreciation.

Management generally expects annual positive cash flow from operations, which reflects the strength of overall pricing.  However, given the recent set of catastrophic events, cash flow from operations will probably decline and could become negative in the near term as significant claim payments are made related to the catastrophes.  However, as indicated above, the Company has ample liquidity to settle its catastrophe claims.

In addition to our cash flows from operations and liquid investments, we also have multiple credit facilities that provide up to $200.0 million of unsecured revolving credit for liquidity but more importantly provide for up to $600.0 million and £145.0 million of collateralized standby letters of credit to support business written by our Bermuda operating subsidiaries.

Effective May 26, 2016, Group, Bermuda Re and Everest International entered into a five year, $800.0 million senior credit facility with a syndicate of lenders, which amended and restated in its entirety the June 22, 2012, four year, $800.0 million senior credit facility.  Both the May 26, 2016 and June 22, 2012 senior credit facilities, which have similar terms, are referred to as the "Group Credit Facility".  Wells Fargo Corporation ("Wells Fargo Bank") is the administrative agent for the Group Credit Facility, which consists of two tranches.  Tranche one provides up to $200.0 million of unsecured revolving credit for liquidity and general corporate purposes, and for the issuance of unsecured standby letters of credit.  The interest on the revolving loans shall, at the Company's option, be either (1) the Base Rate (as defined below) or (2) an adjusted London Interbank Offered Rate ("LIBOR") plus a margin.  The Base Rate is the higher of (a) the prime commercial lending rate established by Wells Fargo Bank, (b) the Federal Funds Rate plus 0.5% per annum or (c) the one month LIBOR Rate plus 1.0% per annum.  The amount of margin and the fees payable for the Group Credit Facility depends on Group's senior unsecured debt rating.  Tranche two exclusively provides up to $600.0 million for the issuance of standby letters of credit on a collateralized basis.

The Group Credit Facility requires Group to maintain a debt to capital ratio of not greater than 0.35 to 1 and to maintain a minimum net worth.  Minimum net worth is an amount equal to the sum of $5,371.0 million plus 25% of consolidated net income for each of Group's fiscal quarters, for which statements are available ending on or after March 31, 2016 and for which consolidated net income is positive, plus 25% of any increase in consolidated net worth during such period attributable to the issuance of ordinary and preferred shares, which at September 30, 2017, was $5,723.1 million.  As of September 30, 2017, the Company was in compliance with all Group Credit Facility covenants.

56

At September 30, 2017 and December 31, 2016, the Company had no outstanding short-term borrowings from the Group Credit Facility revolving credit line.  At September 30, 2017, the Group Credit Facility had no outstanding letters of credit under tranche one and $507.9 million outstanding letters of credit under tranche two.  At December 31, 2016, the Group Credit Facility had no outstanding letters of credit under tranche one and $478.2 million outstanding letters of credit under tranche two.

Effective November 9, 2016, Everest International renewed its credit facility with Lloyds Bank plc ("Everest International Credit Facility").  The current renewal of the Everest International Credit Facility, along with a May 17, 2017 amendment, has a four year term and provides up to £145.0 million for the issuance of standby letters of credit on a collateralized basis.  The Company pays a commitment fee of 0.1% per annum on the average daily amount of the remainder of (1) the aggregate amount available under the facility and (2) the aggregate amount of drawings outstanding under the facility.  The Company pays a credit commission fee of 0.35% per annum on drawings outstanding under the facility.

The Everest International Credit Facility requires Group to maintain a debt to capital ratio of not greater than 0.35 to 1 and to maintain a minimum net worth.  Minimum net worth is an amount equal to the sum of $5,326.0 million (70% of consolidated net worth as of December 31, 2015), plus 25% of consolidated net income for each of Group's fiscal quarters, for which statements are available ending on or after January 1, 2015 and for which net income is positive, plus 25% of any increase in consolidated net worth of Group during such period attributable to the issuance of ordinary and preferred shares, which at September 30, 2017, was $5,723.1 million.  As of September 30, 2017, the Company was in compliance with all Everest International Credit Facility requirements.

At September 30, 2017 and December 31, 2016, Everest International Credit Facility had £141.0 million and £130.6 million, respectively, outstanding letters of credit.

Costs incurred in connection with the Group Credit Facility and Everest International Credit Facility were $0.1 million and $0.03 million for the three months ended September 30, 2017 and 2016, respectively.  Costs incurred in connection with the Group Credit Facility and Everest International Credit Facility were $0.3 million and $0.6 million for the nine months ended September 30, 2017 and 2016, respectively.

Market Sensitive Instruments.

The SEC's Financial Reporting Release #48 requires registrants to clarify and expand upon the existing financial statement disclosure requirements for derivative financial instruments, derivative commodity instruments and other financial instruments (collectively, "market sensitive instruments").  We do not generally enter into market sensitive instruments for trading purposes.

Our current investment strategy seeks to maximize after-tax income through a high quality, diversified, taxable and tax-preferenced fixed maturity portfolio, while maintaining an adequate level of liquidity.  Our mix of taxable and tax-preferenced investments is adjusted periodically, consistent with our current and projected operating results, market conditions and our tax position.  The fixed maturity securities in the investment portfolio are comprised of non-trading available for sale securities.  Additionally, we have invested in equity securities.

The overall investment strategy considers the scope of present and anticipated Company operations.  In particular, estimates of the financial impact resulting from non-investment asset and liability transactions, together with our capital structure and other factors, are used to develop a net liability analysis.  This analysis includes estimated payout characteristics for which our investments provide liquidity.  This analysis is considered in the development of specific investment strategies for asset allocation, duration and credit quality.  The change in overall market sensitive risk exposure principally reflects the asset changes that took place during the period.

Interest Rate Risk.  Our $18.5 billion investment portfolio, at September 30, 2017, is principally comprised of fixed maturity securities, which are generally subject to interest rate risk and some foreign currency exchange rate risk, and some equity securities, which are subject to price fluctuations and some foreign exchange rate risk.  The overall economic impact of the foreign exchange risks on the investment portfolio is partially mitigated by changes in the dollar value of foreign currency denominated liabilities and their associated income statement impact.

57

Interest rate risk is the potential change in value of the fixed maturity securities portfolio, including short-term investments, from a change in market interest rates.  In a declining interest rate environment, it includes prepayment risk on the $2,633.6 million of mortgage-backed securities in the $14,778.2 million fixed maturity portfolio.  Prepayment risk results from potential accelerated principal payments that shorten the average life and thus the expected yield of the security.

The table below displays the potential impact of market value fluctuations and after-tax unrealized appreciation on our fixed maturity portfolio (including $362.4 million of short-term investments) for the period indicated based on upward and downward parallel and immediate 100 and 200 basis point shifts in interest rates.  For legal entities with a U.S. dollar functional currency, this modeling was performed on each security individually.  To generate appropriate price estimates on mortgage-backed securities, changes in prepayment expectations under different interest rate environments were taken into account.  For legal entities with a non-U.S. dollar functional currency, the effective duration of the involved portfolio of securities was used as a proxy for the market value change under the various interest rate change scenarios.

	Impact of Interest Rate Shift in Basis Points
	At September 30, 2017
	-200			-100			0			100			200
(Dollars in millions)
Total Market/Fair Value	$	16,035.6		$	15,596.4		$	15,140.6		$	14,658.9		$	14,174.9
Market/Fair Value Change from Base (%)		5.9	%		3.0	%		0.0	%		-3.2	%		-6.4	%
Change in Unrealized Appreciation
After-tax from Base ($)	$	750.9		$	383.0		$	-		$	(406.2	)	$	(814.4	)

We had $12,455.4 million and $10,312.3 million of gross reserves for losses and LAE as of September 30, 2017 and December 31, 2016, respectively.  These amounts are recorded at their nominal value, as opposed to present value, which would reflect a discount adjustment to reflect the time value of money.  Since losses are paid out over a period of time, the present value of the reserves is less than the nominal value.  As interest rates rise, the present value of the reserves decreases and, conversely, as interest rates decline, the present value increases.  These movements are the opposite of the interest rate impacts on the fair value of investments.  While the difference between present value and nominal value is not reflected in our financial statements, our financial results will include investment income over time from the investment portfolio until the claims are paid.  Our loss and loss reserve obligations have an expected duration of approximately 3.7 years, which is reasonably consistent with our fixed income portfolio.  If we were to discount our loss and LAE reserves, net of ceded reserves, the discount would be approximately $1.3 billion resulting in a discounted reserve balance of approximately $9.8 billion, representing approximately 65.0% of the value of the fixed maturity investment portfolio funds.

Equity Risk.  Equity risk is the potential change in fair and/or market value of the common stock, preferred stock and mutual fund portfolios arising from changing prices.  Our equity investments consist of a diversified portfolio of individual securities and mutual funds, which invest principally in high quality common and preferred stocks that are traded on the major exchanges, and mutual fund investments in emerging market debt.  The primary objective of the equity portfolio is to obtain greater total return relative to our core bonds over time through market appreciation and income.

The table below displays the impact on fair/market value and after-tax change in fair/market value of a 10% and 20% change in equity prices up and down for the period indicated.

	Impact of Percentage Change in Equity Fair/Market Values
	At September 30, 2017
(Dollars in millions)	-20%			-10%			0%		10%		20%
Fair/Market Value of the Equity Portfolio	$	1,014.9		$	1,141.7		$	1,268.6	$	1,395.4	$	1,522.3
After-tax Change in Fair/Market Value	$	(173.4	)	$	(86.7	)	$	-	$	86.7	$	173.4

58

Foreign Currency Risk.  Foreign currency risk is the potential change in value, income and cash flow arising from adverse changes in foreign currency exchange rates.  Each of our non-U.S./Bermuda ("foreign") operations maintains capital in the currency of the country of its geographic location consistent with local regulatory guidelines.  Each foreign operation may conduct business in its local currency, as well as the currency of other countries in which it operates.  The primary foreign currency exposures for these foreign operations are the Canadian Dollar, the Singapore Dollar, the British Pound Sterling and the Euro.  We mitigate foreign exchange exposure by generally matching the currency and duration of our assets to our corresponding operating liabilities.  In accordance with FASB guidance, the impact on the market value of available for sale fixed maturities due to changes in foreign currency exchange rates, in relation to functional currency, is reflected as part of other comprehensive income.  Conversely, the impact of changes in foreign currency exchange rates, in relation to functional currency, on other assets and liabilities is reflected through net income as a component of other income (expense).  In addition, we translate the assets, liabilities and income of non-U.S. dollar functional currency legal entities to the U.S. dollar.  This translation amount is reported as a component of other comprehensive income.

In June 2016, the United Kingdom approved a referendum to exit the European Union (commonly referred to as "Brexit") which resulted in volatility in global stock markets and currency exchange rates, and has increased political, economic and global market uncertainty.  The formal process for the United Kingdom to exit the European Union was triggered on March 29, 2017 by the filing of a notice to withdraw and now negotiations will occur as to the timing and terms of such an exit.   The Company has a Lloyd's of London Syndicate and Bermuda Re has a branch operation in the United Kingdom.  The nature and extent of the impact of Brexit on regulation, interest rates, currency exchange rates and financial markets is still uncertain and may adversely affect our operations.

Safe Harbor Disclosure.

This report contains forward-looking statements within the meaning of the U.S. federal securities laws.  We intend these forward-looking statements to be covered by the safe harbor provisions for forward-looking statements in the federal securities laws.  In some cases, these statements can be identified by the use of forward-looking words such as "may", "will", "should", "could", "anticipate", "estimate", "expect", "plan", "believe", "predict", "potential" and "intend".  Forward-looking statements contained in this report include information regarding our reserves for losses and LAE, the adequacy of capital in relation to regulatory required capital, the adequacy of our provision for uncollectible balances, estimates of our catastrophe exposure, the effects of catastrophic events on our financial statements, the ability of Everest Re, Holdings, Holdings Ireland, Dublin Holdings, Bermuda Re and Everest International to pay dividends and the settlement costs of our specialized equity index put option contracts.  Forward-looking statements only reflect our expectations and are not guarantees of performance.  These statements involve risks, uncertainties and assumptions.  Actual events or results may differ materially from our expectations.  Important factors that could cause our actual events or results to be materially different from our expectations include those discussed under the caption ITEM 1A, "Risk Factors".  We undertake no obligation to update or revise publicly any forward-looking statements, whether as a result of new information, future events or otherwise.

ITEM 3.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market Risk Instruments.  See "Liquidity and Capital Resources - Market Sensitive Instruments" in PART I – ITEM 2.

59

ITEM 4.CONTROLS AND PROCEDURES

As of the end of the period covered by this report, our management carried out an evaluation, with the participation of the Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 (the "Exchange Act")).  Based on their evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective to ensure that information required to be disclosed by us in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission's rules and forms.  Our management, with the participation of the Chief Executive Officer and Chief Financial Officer, also conducted an evaluation of our internal control over financial reporting to determine whether any changes occurred during the quarter covered by this report that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.  Based on that evaluation, there has been no such change during the quarter covered by this report.

PART II

ITEM 1.LEGAL PROCEEDINGS

In the ordinary course of business, the Company is involved in lawsuits, arbitrations and other formal and informal dispute resolution procedures, the outcomes of which will determine the Company's rights and obligations under insurance and reinsurance agreements.  In some disputes, the Company seeks to enforce its rights under an agreement or to collect funds owing to it.  In other matters, the Company is resisting attempts by others to collect funds or enforce alleged rights.  These disputes arise from time to time and are ultimately resolved through both informal and formal means, including negotiated resolution, arbitration and litigation.  In all such matters, the Company believes that its positions are legally and commercially reasonable.  The Company considers the statuses of these proceedings when determining its reserves for unpaid loss and loss adjustment expenses.

Aside from litigation and arbitrations related to these insurance and reinsurance agreements, the Company is not a party to any other material litigation or arbitration.

ITEM 1A.RISK FACTORS

No material changes.

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ITEM 2.UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Issuer Purchases of Equity Securities.

Issuer Purchases of Equity Securities
	(a)		(b)		(c)		(d)
							Maximum Number (or
					Total Number of		Approximate Dollar
					Shares (or Units)		Value) of Shares (or
					Purchased as Part		Units) that May Yet
	Total Number of				of Publicly		Be Purchased Under
	Shares (or Units)		Average Price Paid		Announced Plans or		the Plans or
Period	Purchased		per Share (or Unit)		Programs		Programs (1)
July 1 - 31, 2017		0	$	-		0		2,022,000
August 1 - 31, 2017		0	$	-		0		2,022,000
September 1 - 30, 2017		1,128	$	228.1993		0		2,022,000
Total		1,128	$	-		0		2,022,000

(1)On September 21, 2004, the Company's board of directors approved an amended share repurchase program authorizing the Company and/or its subsidiary Holdings to purchase up to an aggregate of 5,000,000 of the Company's common shares through open market transactions, privately negotiated transactions or both.  On July 21, 2008; February 24, 2010; February 22, 2012; May 15, 2013; and November 19, 2014, the Company's executive committee of the Board of Directors has approved subsequent amendments to the share repurchase program authorizing the Company and/or its subsidiary Holdings, to purchase up to a current aggregate of 30,000,000 of the Company's shares (recognizing that the number of shares authorized for repurchase has been reduced by those shares that have already been purchased) in open market transactions, privately negotiated transactions or both.

ITEM 3.DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4.MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5.OTHER INFORMATION

None.

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ITEM 6.EXHIBITS

Exhibit Index

Exhibit No.	Description
31.1	Section 302 Certification of Dominic J. Addesso
31.2	Section 302 Certification of Craig Howie
32.1	Section 906 Certification of Dominic J. Addesso and Craig Howie
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema
101.CAL	XBRL Taxonomy Extension Calculation Linkbase
101.DEF	XBRL Taxonomy Extension Definition Linkbase
101.LAB	XBRL Taxonomy Extension Labels Linkbase
101.PRE	XBRL Taxonomy Extension Presentation Linkbase

62

Everest Re Group, Ltd.

Signatures

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

Everest Re Group, Ltd.

(Registrant)

/S/ CRAIG HOWIE

Craig Howie

Executive Vice President and

   Chief Financial Officer

(Duly Authorized Officer and Principal Financial Officer)

Dated:  November 9, 2017

EX-31.1

Exhibit 31.1

CERTIFICATIONS

I, Dominic J. Addesso, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Everest Re Group, Ltd;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f)and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

November 9, 2017

/S/ DOMINIC J. ADDESSO
Dominic J. Addesso
President and
	Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATIONS

I, Craig Howie, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Everest Re Group, Ltd;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f)and 15d-15(f)) for the registrant and have:

(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and

5. The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

November 9, 2017

/S/ CRAIG HOWIE
Craig Howie
Executive Vice President and
	Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATIONS PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q for the quarter ended September 30, 2017 of Everest Re Group, Ltd., a company organized under the laws of Bermuda (the "Company"), filed with the Securities and Exchange Commission on the date hereof (the "Report"), the undersigned hereby certify, pursuant to 18 U.S.C. ss. 1350, as enacted by section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934, and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

November 9, 2017

/S/ DOMINIC J. ADDESSO
Dominic J. Addesso
President and
	Chief Executive Officer

/S/ CRAIG HOWIE
Craig Howie
Executive Vice President and
	Chief Financial Officer

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Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Nov. 01, 2017
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Entity Registrant Name	EVEREST RE GROUP LTD
Entity Central Index Key	0001095073
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		41,069,690

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Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
ASSETS:
Fixed maturities - available for sale, at market value (amortized cost: 2017, $14,626,754; 2016, $13,932,613)	$ 14,778,175	$ 14,107,408
Equity securities - available for sale, at market value (cost: 2017, $128,116; 2016, $129,553)	127,425	119,067
Equity securities - available for sale, at fair value	1,141,146	1,010,085
Short-term investments	362,376	431,478
Other invested assets (cost: 2017, $1,484,599; 2016, $1,333,069)	1,487,519	1,333,129
Cash	585,395	481,922
Total investments and cash	18,482,036	17,483,089
Accrued investment income	101,092	96,473
Premiums receivable	2,071,714	1,485,990
Reinsurance receivables	1,366,890	1,018,325
Funds held by reinsureds	269,783	260,644
Deferred acquisition costs	396,858	344,052
Prepaid reinsurance premiums	314,949	191,768
Income taxes	415,182	177,704
Other assets	517,765	263,459
TOTAL ASSETS	23,936,269	21,321,504
LIABILITIES:
Reserve for losses and loss adjustment expenses	12,455,357	10,312,313
Future policy benefit reserve	54,279	55,074
Unearned premium reserve	1,992,907	1,577,546
Funds held under reinsurance treaties	21,768	21,278
Commission reserves	40,075	70,335
Other net payable to reinsurers	269,230	190,986
Losses in course of payment	205,215	67,107
4.868% Senior notes due 6/1/2044	396,804	396,714
6.6% Long term notes due 5/1/2067	236,536	236,462
Accrued interest on debt and borrowings	7,564	3,537
Equity index put option liability	16,006	22,059
Unsettled securities payable	54,711	27,927
Other liabilities	216,486	264,770
Total liabilities	15,966,938	13,246,108
Commitments and contingencies (Note 8)
SHAREHOLDERS' EQUITY:
Preferred shares, par value: $0.01; 50,000 shares authorized; no shares issued and outstanding
Common shares, par value: $0.01; 200,000 shares authorized; (2017) 69,040 and (2016) 68,871 outstanding before treasury shares	691	689
Additional paid-in capital	2,158,143	2,140,783
Accumulated other comprehensive income (loss), net of deferred income tax expense (benefit) of $21,672 at 2017 and $8,240 at 2016	(84,247)	(216,764)
Treasury shares, at cost; 27,972 shares 2017 and 2016	(3,272,244)	(3,272,244)
Retained earnings	9,166,988	9,422,932
Total shareholders' equity	7,969,331	8,075,396
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 23,936,269	$ 21,321,504

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Fixed maturities - available for sale, at market value, amortized cost	$ 14,626,754	$ 13,932,613
Equity securities - available for sale, at market value, cost	128,116	129,553
Other invested assets, at cost	$ 1,484,599	$ 1,333,069
Preferred shares, par value	$ 0.01	$ 0.01
Preferred shares, authorized	50,000,000	50,000,000
Preferred shares, issued	0	0
Preferred shares, outstanding	0	0
Common shares, par value	$ 0.01	$ 0.01
Common shares, authorized	200,000,000	200,000,000
Common shares, outstanding	69,040,000	68,871,000
Accumulated other comprehensive income (loss), net of deferred income tax expense (benefit)	$ 21,672	$ 8,240
Treasury shares	27,972,000	27,972,000
6.6 % Long Term Subordinated Notes [Member]
Debt instrument, stated interest rate	6.60%	6.60%
Debt instrument, maturity date	May 01, 2067
4.868% Senior notes due 6/1/2044 [Member] | Senior Notes [Member]
Debt instrument, stated interest rate	4.868%	4.868%
Debt instrument, maturity date	Jun. 01, 2044

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Consolidated Statements Of Operations And Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUES:
Premiums earned	$ 1,598,875	$ 1,371,474	$ 4,280,653	$ 3,879,201
Net investment income	136,973	122,657	393,770	357,918
Net realized capital gains (losses):
Other-than-temporary impairments on fixed maturity securities	(1,485)	(867)	(5,188)	(31,130)
Other-than-temporary impairments on fixed maturity securities transferred to other comprehensive income (loss)
Other net realized capital gains (losses)	43,020	1,247	124,719	(10,091)
Total net realized capital gains (losses)	41,535	380	119,531	(41,221)
Net derivative gain (loss)	2,656	6,510	6,052	5,486
Other income (expense)	(54,568)	9,435	(59,146)	(20,998)
Total revenues	1,725,471	1,510,456	4,740,860	4,180,386
CLAIMS AND EXPENSES:
Incurred losses and loss adjustment expenses	2,210,082	786,168	3,842,145	2,344,733
Commission, brokerage, taxes and fees	333,113	309,545	915,338	880,053
Other underwriting expenses	73,145	78,563	227,901	222,750
Corporate expenses	5,932	6,400	21,308	21,403
Interest, fees and bond issue cost amortization expense	7,266	8,893	24,289	27,194
Total claims and expenses	2,629,538	1,189,569	5,030,981	3,496,133
INCOME (LOSS) BEFORE TAXES	(904,067)	320,887	(290,121)	684,253
Income tax expense (benefit)	(264,693)	25,493	(188,064)	61,481
NET INCOME (LOSS)	(639,374)	295,394	(102,057)	622,772
Other comprehensive income (loss), net of tax :
Unrealized appreciation (depreciation) ("URA(D)") on securities arising during the period	(5,671)	(9,032)	18,745	258,286
Reclassification adjustment for realized losses (gains) included in net income (loss)	(5,537)	(3,222)	(16,729)	27,711
Total URA(D) on securities arising during the period	(11,208)	(12,254)	2,016	285,997
Foreign currency translation adjustments	77,564	2,816	125,124	17,639
Benefit plan actuarial net gain (loss) for the period
Reclassification adjustment for amortization of net (gain) loss included in net income (loss)	1,369	1,268	5,377	3,949
Total benefit plan net gain (loss) for the period	1,369	1,268	5,377	3,949
Total other comprehensive income (loss), net of tax	67,725	(8,170)	132,517	307,585
COMPREHENSIVE INCOME (LOSS)	$ (571,649)	$ 287,224	$ 30,460	$ 930,357
EARNINGS PER COMMON SHARE:
Basic	$ (15.73)	$ 7.11	$ (2.51)	$ 14.80
Diluted	(15.73)	7.06	(2.51)	14.70
Dividends declared	$ 1.25	$ 1.15	$ 3.75	$ 3.45

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Consolidated Statements Of Changes In Shareholders' Equity - USD ($) $ in Thousands	Common Shares [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Shares At Cost [Member]	Total
Balance, beginning of period, shares at Dec. 31, 2015	42,694,252
Issued during the period, shares	215,887
Treasury shares acquired, shares	(2,022,945)
Balance, beginning of period at Dec. 31, 2015	$ 686	$ 2,103,638	$ (231,755)	$ 8,621,972	$ (2,885,956)
Issued during the period, net	$ 2
Share-based compensation plans		25,673
Net increase (decrease) during the period			307,585			$ 307,585
Net income (loss)				622,772		622,772
Dividends declared ($1.25 per share in third quarter 2017 and $3.75 year to date per share in 2017 and $1.15 per share in third quarter 2016 and $3.45 year-to-date per share in 2016)						(144,299)
Purchase of treasury shares					(379,228)
Balance, end of period, shares at Sep. 30, 2016	40,887,194
Balance, end of period at Sep. 30, 2016	$ 688	2,129,311	75,830	9,100,447	(3,265,184)	$ 8,041,092
Balance, beginning of period, shares at Dec. 31, 2015	42,694,252
Balance, beginning of period at Dec. 31, 2015	$ 686	2,103,638	(231,755)	8,621,972	(2,885,956)
Balance, end of period, shares at Dec. 31, 2016	40,898,864					68,871,000
Balance, end of period at Dec. 31, 2016	$ 689	2,140,783	(216,764)	9,422,932	(3,272,244)	$ 8,075,396
Balance, beginning of period, shares at Jun. 30, 2016	41,883,430
Issued during the period, shares	17,621
Treasury shares acquired, shares	(1,013,857)
Balance, beginning of period at Jun. 30, 2016	$ 688	2,120,581	84,000	8,852,512	(3,072,313)
Share-based compensation plans		8,730
Net increase (decrease) during the period			(8,170)			(8,170)
Net income (loss)				295,394		295,394
Dividends declared ($1.25 per share in third quarter 2017 and $3.75 year to date per share in 2017 and $1.15 per share in third quarter 2016 and $3.45 year-to-date per share in 2016)						(47,463)
Purchase of treasury shares					(192,871)
Balance, end of period, shares at Sep. 30, 2016	40,887,194
Balance, end of period at Sep. 30, 2016	$ 688	2,129,311	75,830	9,100,447	(3,265,184)	$ 8,041,092
Balance, beginning of period, shares at Dec. 31, 2016	40,898,864					68,871,000
Issued during the period, shares	169,244
Balance, beginning of period at Dec. 31, 2016	$ 689	2,140,783	(216,764)	9,422,932	(3,272,244)	$ 8,075,396
Issued during the period, net	$ 2
Share-based compensation plans		17,360
Net increase (decrease) during the period			132,517			132,517
Net income (loss)				(102,057)		(102,057)
Dividends declared ($1.25 per share in third quarter 2017 and $3.75 year to date per share in 2017 and $1.15 per share in third quarter 2016 and $3.45 year-to-date per share in 2016)						$ (153,887)
Purchase of treasury shares
Balance, end of period, shares at Sep. 30, 2017	41,068,108					69,040,000
Balance, end of period at Sep. 30, 2017	$ 691	2,158,143	(84,247)	9,166,988	(3,272,244)	$ 7,969,331
Balance, beginning of period, shares at Jun. 30, 2017	41,065,212
Issued during the period, shares	2,896
Balance, beginning of period at Jun. 30, 2017	$ 691	2,150,659	(151,972)	9,857,664	(3,272,244)
Share-based compensation plans		7,484
Net increase (decrease) during the period			67,725			67,725
Net income (loss)				(639,374)		(639,374)
Dividends declared ($1.25 per share in third quarter 2017 and $3.75 year to date per share in 2017 and $1.15 per share in third quarter 2016 and $3.45 year-to-date per share in 2016)						$ (51,302)
Purchase of treasury shares
Balance, end of period, shares at Sep. 30, 2017	41,068,108					69,040,000
Balance, end of period at Sep. 30, 2017	$ 691	$ 2,158,143	$ (84,247)	$ 9,166,988	$ (3,272,244)	$ 7,969,331

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Consolidated Statements Of Changes In Shareholders' Equity (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statements Of Changes In Shareholders' Equity [Abstract]
Dividends declared	$ 1.25	$ 1.15	$ 3.75	$ 3.45

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Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (102,057)	$ 622,772
Adjustments to reconcile net income to net cash provided by operating activities:
Decrease (increase) in premiums receivable	(564,080)	(185,559)
Decrease (increase) in funds held by reinsureds, net	(4,742)	46,134
Decrease (increase) in reinsurance receivables	(245,275)	(87,807)
Decrease (increase) in income taxes	(247,571)	15,935
Decrease (increase) in prepaid reinsurance premiums	(109,913)	(66,147)
Increase (decrease) in reserve for losses and loss adjustment expenses	1,927,538	470,560
Increase (decrease) in future policy benefit reserve	(795)	(1,912)
Increase (decrease) in unearned premiums	389,731	89,013
Increase (decrease) in other net payable to reinsurers	59,356	85,493
Increase (decrease) in losses in course of payment	137,805	7,673
Change in equity adjustments in limited partnerships	(54,155)	(33,289)
Distribution of limited partnership income	36,859	52,913
Change in other assets and liabilities, net	(116,623)	(154,765)
Non-cash compensation expense	23,011	20,359
Amortization of bond premium (accrual of bond discount)	34,657	38,151
Amortization of underwriting discount on senior notes	3	3
Net realized capital (gains) losses	(119,531)	41,221
Net cash provided by (used in) operating activities	1,044,218	960,748
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from fixed maturities matured/called - available for sale, at market value	1,619,552	1,439,002
Proceeds from fixed maturities sold - available for sale, at market value	1,691,937	888,761
Proceeds from fixed maturity securities sold - available for sale, at fair value		1,588
Proceeds from equity securities sold - available for sale, at market value	18,802	155
Proceeds from equity securities sold - available for sale, at fair value	316,087	542,560
Distributions from other invested assets	3,555,941	3,600,587
Proceeds from sale of subsidiary (net of cash disposed)		47,721
Cost of fixed maturities acquired - available for sale, at market value	(3,774,584)	(2,974,792)
Cost of fixed maturities acquired - available for sale, at fair value		(3,940)
Cost of equity securities acquired - available for sale, at market value	(19,196)	(4,194)
Cost of equity securities acquired - available for sale, at fair value	(351,220)	(269,544)
Cost of other invested assets acquired	(3,676,606)	(4,131,419)
Net change in short-term investments	74,000	488,047
Net change in unsettled securities transactions	(219,208)	44,494
Net cash provided by (used in) investing activities	(764,495)	(330,974)
CASH FLOWS FROM FINANCING ACTIVITIES:
Common shares issued during the period, net	(5,650)	5,315
Purchase of treasury shares		(379,228)
Dividends paid to shareholders	(153,887)	(144,297)
Cost of shares withheld for taxes on settlements of share-based compensation awards	(12,707)	(10,017)
Net cash provided by (used in) financing activities	(172,244)	(528,227)
EFFECT OF EXCHANGE RATE CHANGES ON CASH	(4,006)	50,590
Net increase (decrease) in cash	103,473	152,137
Cash, beginning of period	481,922	283,658
Cash, end of period	585,395	435,795
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid (recovered)	58,701	40,072
Interest paid	$ 19,783	$ 18,227

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General

9 Months Ended

Sep. 30, 2017

General [Abstract]

General

1.   GENERAL

Everest Re Group, Ltd. ("Group"), a Bermuda company, through its subsidiaries, principally provides reinsurance and insurance in the U.S., Bermuda and international markets.  As used in this document, "Company" means Group and its subsidiaries.

During the third quarter of 2016, the Company established domestic subsidiaries, Everest Premier Insurance Company ("Everest Premier") and Everest Denali Insurance Company ("Everest Denali"), which will be used in the continued expansion of the Insurance operations.

Effective August 24, 2016, the Company sold its wholly-owned subsidiary, Heartland Crop Insurance Company ("Heartland"), a managing agent for crop insurance, to CGB Diversified Services, Inc. ("CGB"). The operating results of Heartland through August 24, 2016, are included within the Company's financial statements.

Effective July 1, 2016, the Company established a new Irish holding company, Everest Dublin Insurance Holdings Limited (Ireland) ("Everest Dublin Holdings").

During the fourth quarter of 2015, the Company established new subsidiaries, Everest Preferred International Holdings, Ltd. ("Preferred International"), a Bermuda based company and Everest International Holdings (Bermuda), Ltd. ("International Holdings"), a Bermuda based company.  These new subsidiaries were part of a capital restructuring within the Company to support a planned increase in international business production, which includes directly supporting Group's new Lloyd's of London Syndicate corporate member.

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Basis Of Presentation

9 Months Ended

Sep. 30, 2017

Basis Of Presentation[Abstract]

Basis Of Presentation

2.   BASIS OF PRESENTATION

The unaudited consolidated financial statements of the Company for the three and nine months ended September 30, 2017 and 2016 include all adjustments, consisting of normal recurring accruals, which, in the opinion of management, are necessary for a fair statement of the results on an interim basis.  Certain financial information, which is normally included in annual financial statements prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP"), has been omitted since it is not required for interim reporting purposes.  The December 31, 2016 consolidated balance sheet data was derived from audited financial statements, but does not include all disclosures required by GAAP.  The results for the three and nine months ended September 30, 2017 and 2016 are not necessarily indicative of the results for a full year.  These financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto for the years ended December 31, 2016, 2015 and 2014 included in the Company's most recent Form 10-K filing.

The Company consolidates the results of operations and financial position of all voting interest entities ("VOE") in which the Company has a controlling financial interest and all variable interest entities ("VIE") in which the Company is considered to be the primary beneficiary. The consolidation assessment, including the determination as to whether an entity qualifies as a VIE or VOE, depends on the facts and circumstances surrounding each entity.

Effective January 1, 2016, the Company adopted Accounting Standards Update ("ASU") 2015-02, "Consolidation (Topic 810) Amendments to the Consolidation Analysis"  issued by the United States Financial Accounting Standards Board ("FASB"), which changed the method in which the Company determines whether entities are consolidated by the Company. The adoption of this amended accounting guidance was implemented utilizing a full retrospective application for prior periods.

The amended guidance includes changes in the identification of the primary beneficiary of companies considered to be VIEs. These changes resulted in the Company concluding that Mt. Logan Re is a VIE given it has insufficient equity at risk and that each underlying separate segregated account is likewise a VIE.  The Company has concluded that it is the primary beneficiary of Mt. Logan Re, but not of the underlying separate segregated accounts and therefore has deconsolidated these segregated accounts.  This change had no impact to the net income or retained earnings of the Company.

All significant intercompany accounts and transactions have been eliminated.

Certain reclassifications and format changes have been made to prior years' amounts to conform to the 2017 presentation.

Application of Recently Issued Accounting Standard Changes.

Amortization of Bond Premium.  In March 2017, FASB issued ASU 2017-08 which outlines guidance on the amortization period for premium on callable debt securities.  The new guidance requires that the premium on callable debt securities be amortized through the earliest call date rather than through the maturity date of the callable security.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2019. The Company does not expect the adoption of ASU 2017-08 to have a material impact on its financial statements.

Presentation and Disclosure of Net Periodic Benefit Costs.  In March 2017, FASB issued ASU 2017-07 which outlines guidance on the presentation of net periodic costs of benefit plans.  The new guidance requires that the service cost component of net periodic benefit costs be reported within the same line item of the statements of operations as other compensation costs are reported.  Other components of net periodic benefit costs should be reported separately.  Footnote disclosure is required to state within which line items of the statements of operations the components are reported. The guidance is effective for annual and interim reporting periods beginning after December 15, 2017. The Company does not expect the adoption of ASU 2017-07 to have a material impact on its financial statements.

Disclosure of Restricted Cash.  In November 2016, FASB issued ASU 2016-18 which outlines guidance on the presentation in the statements of cash flows of changes in restricted cash. The new guidance requires that the statements of cash flows should reflect all changes in cash, cash equivalents and restricted cash in total and not segregated individually.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2017.  The Company does not expect the adoption of ASU 2016-18 to have a material impact on its financial statements.

Intra-Entity Asset Transfers.  In October 2016, FASB issued ASU 2016-16 which outlines guidance on the tax accounting for intra-entity asset sales and transfers, other than inventory.  The new guidance requires that reporting entities recognize tax expense from the intra-entity transfer of an asset in the seller's tax jurisdiction at the time of transfer and recognize any deferred tax asset in the buyer's tax jurisdiction at the time of transfer.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2017.  The Company does not expect the adoption of ASU 2016-16 to have a material impact on its financial statements.

Valuation of Financial Instruments.  In June 2016, FASB issued ASU 2016-13 which outlines guidance on the valuation of and accounting for assets measured at amortized cost and available for sale debt securities. The carrying value of assets measured at amortized cost will now be presented as the amount expected to be collected on the financial asset (amortized cost less an allowance for credit losses valuation account).  Available for sale debt securities will now record credit losses through an allowance for credit losses, which will be limited to the amount by which fair value is below amortized cost. The guidance is effective for annual and interim reporting periods beginning after December 15, 2019. The Company is currently evaluating the impact of the adoption of ASU 2016-13 on its financial statements.

Accounting for Share-Based Compensation. In March 2016, the FASB issued ASU 2016-09, authoritative guidance regarding the accounting for share-based compensation.  This guidance requires that the income tax effects resulting from the change in the value of share-based compensation awards between grant and settlement will be recorded as part of the Consolidated Statements of Operations and Comprehensive Income/(Loss).  Previously, excess tax benefits have been recorded as part of the additional paid in capital within the Consolidated Balance Sheets.  The guidance is effective for annual reporting periods beginning after December 15, 2016 and interim periods within that annual reporting period.  The Company has implemented this guidance prospectively as of January 1, 2017.  The guidance also requires that the cost of employee taxes paid via shares withheld upon settlement of share-based compensation awards must be shown as a financing activity within the Statements of Cash Flows.  The Company has implemented this guidance retrospectively as of January 1, 2017.

The following table presents certain financial statement line items as previously reported in 2016, the effect of those line items due to treating the cost of shares withheld upon settlement of share-based compensation awards as a financing activity with the Statements of Cash Flows and the line items as currently reported within the financial statements.

Consolidated Statements of Cash Flows:	Nine Months Ended September 30, 2016
				Effect of
				adoption of
	As previously			new accounting
	reported			policy			As adopted
(Dollars in thousands)
CASH FLOWS FROM OPERATING ACTIVITIES:
Change in other assets and liabilities, net	$	(164,782	)	$	10,017		$	(154,765	)
Net cash provided by (used in) operating activities		950,731			10,017			960,748
CASH FLOWS FROM FINANCING ACTIVITIES:
Cost of shares withheld for taxes on settlements of
share-based compensation awards		-			(10,017	)		(10,017	)
Net cash provided by (used in) financing activities		(518,210	)		(10,017	)		(528,227	)

Leases.  In February 2016, FASB issued ASU 2016-02 which outlines new guidance on the accounting for leases. The new guidance requires the recognition of lease assets and lease liabilities on the balance sheets for most leases that were previously deemed operating leases and required only lease expense presentation in the statements of operations.  The guidance is effective for annual and interim reporting periods beginning after December 15, 2018.  The Company is currently evaluating the impact of the adoption of ASU 2016-02 on its financial statements.

Recognition and Measurement of Financial Instruments.  In January 2016, the FASB issued ASU 2016-01 which outlines revised guidance on the accounting for equity investments. The new guidance states that all equity investments in unconsolidated entities will be measures at fair value, with the change in value being recorded through the income statement rather than being recorded within other comprehensive income. The updated guidance is effective for annual and interim reporting periods beginning after December 15, 2017.  The Company is currently evaluating the impact of the adoption of ASU 2016-01 on its financial statements.

Disclosures about Short-Duration Contracts. In May 2015, the FASB issued ASU 2015-09, authoritative guidance regarding required disclosures associated with short duration insurance contracts.  The new disclosure requirements focus on information about initial claim estimates and subsequent claim estimate adjustment, methodologies in estimating claims and the timing, frequency and severity of claims related to short duration insurance contracts. This guidance is effective for annual reporting periods beginning after December 15, 2015 and interim reporting periods beginning after December 15, 2016.  The Company implemented this guidance effective in the fourth quarter of 2016.

Disclosures for Investments in Certain Entities that Calculate Net Asset Value Per Share.  In May 2015, the FASB issued ASU 2015-07, which removes the requirement to categorize, within the fair value hierarchy, investments for which fair values are estimated using the net asset value practical expedient provided by Accounting Standards Codification 820, Fair Value Measurement.  The updated guidance is effective for annual reporting periods beginning after December 15, 2015.  The adoption did not have a material impact on the Company's financial statements.

Debt Issuance Costs. In April 2015, The FASB issued ASU 2015–03, authoritative guidance on the presentation of debt issuance costs.  This guidance requires that debt issuance costs be presented within the balance sheet as a reduction of the carrying value of the debt liability, rather than as a separate asset.  This guidance is effective for annual reporting periods beginning after December 15, 2015 and related interim reporting periods.  The Company implemented this guidance effective in the second quarter of 2016.  The adoption did not have a material impact on the Company's financial statements.

Consolidation. In February 2015, the FASB issued ASU 2015-02, authoritative guidance regarding consolidation of reporting entities.  The new guidance focuses on the required evaluation of whether certain legal entities should be consolidated.  This guidance is effective for annual and interim reporting periods beginning after December 15, 2015.  Based upon this guidance, the Company has determined that the separate segregated accounts associated with Mt. Logan Re should not be consolidated.  The Company implemented the guidance effective January 1, 2016.

Revenue Recognition.  In May 2014, the FASB issued ASU 2014-09 which outlines revised guidance on the recognition of revenue arising from contracts with customers. The new guidance states that reporting entities should apply certain steps to determine when revenue should be recognized, based upon fulfillment of performance obligations to complete contracts. The updated guidance is effective for annual and interim reporting periods beginning after December 15, 2017. The Company does not expect the adoption of ASU 2014-09 to have a material impact on its financial statements.

Any issued guidance and pronouncements, other than those directly references above, are deemed by the Company to be either not applicable or immaterial to its financial statements.

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Investments

9 Months Ended

Sep. 30, 2017

Investments [Abstract]

Investments

3.     INVESTMENTS

The amortized cost, market value and gross unrealized appreciation and depreciation of available for sale, fixed maturity, equity security investments, carried at market value and other-than-temporary impairments ("OTTI") in accumulated other comprehensive income ("AOCI") are as follows for the periods indicated:

	At September 30, 2017
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,141,002	$	12,475	$	(6,608	)	$	1,146,869	$	-
Obligations of U.S. states and political subdivisions		652,525		24,061		(4,744	)		671,842		-
Corporate securities		5,599,904		108,072		(31,814	)		5,676,162		2,902
Asset-backed securities		555,451		1,390		(444	)		556,397		-
Mortgage-backed securities
Commercial		253,154		1,462		(1,825	)		252,791		-
Agency residential		2,390,238		13,680		(23,589	)		2,380,329		-
Non-agency residential		519		42		(44	)		517		-
Foreign government securities		1,317,697		46,225		(34,489	)		1,329,433		182
Foreign corporate securities		2,716,264		89,202		(41,631	)		2,763,835		961
Total fixed maturity securities	$	14,626,754	$	296,609	$	(145,188	)	$	14,778,175	$	4,045
Equity securities	$	128,116	$	2,542	$	(3,233	)	$	127,425	$	-

	At December 31, 2016
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,115,208	$	20,410	$	(5,303	)	$	1,130,315	$	-
Obligations of U.S. states and political subdivisions		723,938		18,016		(11,970	)		729,984		-
Corporate securities		5,059,388		131,651		(35,758	)		5,155,281		7,936
Asset-backed securities		488,824		1,110		(1,286	)		488,648		-
Mortgage-backed securities
Commercial		308,827		1,983		(3,878	)		306,932		-
Agency residential		2,415,901		17,478		(27,910	)		2,405,469		-
Non-agency residential		642		44		(45	)		641		-
Foreign government securities		1,254,175		61,226		(57,241	)		1,258,160		115
Foreign corporate securities		2,565,710		130,714		(64,446	)		2,631,978		1,184
Total fixed maturity securities	$	13,932,613	$	382,632	$	(207,837	)	$	14,107,408	$	9,235
Equity securities	$	129,553	$	2,298	$	(12,784	)	$	119,067	$	-

^(a)  Represents the amount of OTTI recognized in AOCI.  Amount includes unrealized gains and losses on impaired securities relating to changes in the value of such securities subsequent to the impairment measurement date.

The amortized cost and market value of fixed maturity securities are shown in the following table by contractual maturity.  Mortgage-backed securities are generally more likely to be prepaid than other fixed maturity securities. As the stated maturity of such securities may not be indicative of actual maturities, the totals for mortgage-backed and asset-backed securities are shown separately.

	At September 30, 2017				At December 31, 2016
	Amortized		Market		Amortized		Market
(Dollars in thousands)	Cost		Value		Cost		Value
Fixed maturity securities – available for sale:
Due in one year or less	$	1,091,257	$	1,095,288	$	956,945	$	966,970
Due after one year through five years		7,267,248		7,334,494		6,769,585		6,870,056
Due after five years through ten years		2,096,762		2,124,265		2,020,215		2,052,733
Due after ten years		972,125		1,034,094		971,674		1,015,959
Asset-backed securities		555,451		556,397		488,824		488,648
Mortgage-backed securities:
Commercial		253,154		252,791		308,827		306,932
Agency residential		2,390,238		2,380,329		2,415,901		2,405,469
Non-agency residential		519		517		642		641
Total fixed maturity securities	$	14,626,754	$	14,778,175	$	13,932,613	$	14,107,408

The changes in net unrealized appreciation (depreciation) for the Company's investments are derived from the following sources for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Increase (decrease) during the period between the market value and cost
of investments carried at market value, and deferred taxes thereon:
Fixed maturity securities	$	(13,993	)	$	(13,544	)	$	(18,184	)	$	324,147
Fixed maturity securities, other-than-temporary impairment		306			(1,836	)		(5,189	)		7,088
Equity securities		2,603			2,527			9,795			9,898
Other invested assets		1,595			-			2,860			-
Change in unrealized appreciation (depreciation), pre-tax		(9,489	)		(12,853	)		(10,718	)		341,133
Deferred tax benefit (expense)		(1,774	)		(256	)		11,343			(53,666	)
Deferred tax benefit (expense), other-than-temporary impairment		55			855			1,391			(1,470	)
Change in unrealized appreciation (depreciation),
net of deferred taxes, included in shareholders' equity	$	(11,208	)	$	(12,254	)	$	2,016		$	285,997

The Company frequently reviews all of its fixed maturity, available for sale securities for declines in market value and focuses its attention on securities whose fair value has fallen below 80% of their amortized cost at the time of review.  The Company then assesses whether the decline in value is temporary or other-than-temporary.  In making its assessment, the Company evaluates the current market and interest rate environment as well as specific issuer information.  Generally, a change in a security's value caused by a change in the market, interest rate or foreign exchange environment does not constitute an other-than-temporary impairment, but rather a temporary decline in market value.  Temporary declines in market value are recorded as unrealized losses in accumulated other comprehensive income (loss).  If the Company determines that the decline is other-than-temporary and the Company does not have the intent to sell the security; and it is more likely than not that the Company will not have to sell the security before recovery of its cost basis, the carrying value of the investment is written down to fair value.  The fair value adjustment that is credit or foreign exchange related is recorded in net realized capital gains (losses) in the Company's consolidated statements of operations and comprehensive income (loss).  The fair value adjustment that is non-credit related is recorded as a component of other comprehensive income (loss), net of tax, and is included in accumulated other comprehensive income (loss) in the Company's consolidated balance sheets.

The Company's assessments are based on the issuers' current and expected future financial position, timeliness with respect to interest and/or principal payments, speed of repayments and any applicable credit enhancements or breakeven constant default rates on mortgage-backed and asset-backed securities, as well as relevant information provided by rating agencies, investment advisors and analysts.

The majority of the Company's equity securities available for sale at market value are primarily comprised of mutual fund investments whose underlying securities consist of fixed maturity securities.  When a fund's value reflects an unrealized loss, the Company assesses whether the decline in value is temporary or other-than-temporary.  In making its assessment, the Company considers the composition of its portfolios and their related markets, reports received from the portfolio managers and discussions with portfolio managers.  If the Company determines that the declines are temporary and it has the ability and intent to continue to hold the investments, then the declines are recorded as unrealized losses in accumulated other comprehensive income (loss).  If declines are deemed to be other-than-temporary, then the carrying value of the investment is written down to fair value and recorded in net realized capital gains (losses) in the Company's consolidated statements of operations and comprehensive income (loss).

Retrospective adjustments are employed to recalculate the values of asset-backed securities. All of the Company's asset-backed and mortgage-backed securities have a pass-through structure.  Each acquisition lot is reviewed to recalculate the effective yield. The recalculated effective yield is used to derive a book value as if the new yield were applied at the time of acquisition. Outstanding principal factors from the time of acquisition to the adjustment date are used to calculate the prepayment history for all applicable securities. Conditional prepayment rates, computed with life to date factor histories and weighted average maturities, are used in the calculation of projected prepayments for pass-through security types.

The tables below display the aggregate market value and gross unrealized depreciation of fixed maturity and equity securities, by security type and contractual maturity, in each case subdivided according to length of time that individual securities had been in a continuous unrealized loss position for the periods indicated:

	Duration of Unrealized Loss at September 30, 2017 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	376,128	$	(4,865	)	$	53,039	$	(1,743	)	$	429,167	$	(6,608	)
Obligations of U.S. states and political subdivisions		89,509		(2,104	)		67,956		(2,640	)		157,465		(4,744	)
Corporate securities		1,214,762		(20,914	)		283,985		(10,900	)		1,498,747		(31,814	)
Asset-backed securities		189,752		(369	)		6,262		(75	)		196,014		(444	)
Mortgage-backed securities
Commercial		63,101		(540	)		40,432		(1,285	)		103,533		(1,825	)
Agency residential		1,345,113		(13,416	)		450,890		(10,173	)		1,796,003		(23,589	)
Non-agency residential		-		-			77		(44	)		77		(44	)
Foreign government securities		385,494		(14,007	)		258,478		(20,482	)		643,972		(34,489	)
Foreign corporate securities		660,017		(17,136	)		312,821		(24,495	)		972,838		(41,631	)
Total fixed maturity securities	$	4,323,876	$	(73,351	)	$	1,473,940	$	(71,837	)	$	5,797,816	$	(145,188	)
Equity securities		-		-			112,015		(3,233	)		112,015		(3,233	)
Total	$	4,323,876	$	(73,351	)	$	1,585,955	$	(75,070	)	$	5,909,831	$	(148,421	)

	Duration of Unrealized Loss at September 30, 2017 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	270,695	$	(848	)	$	123,092	$	(13,069	)	$	393,787	$	(13,917	)
Due in one year through five years		1,680,251		(31,686	)		644,557		(37,591	)		2,324,808		(69,277	)
Due in five years through ten years		639,836		(22,619	)		136,548		(6,469	)		776,384		(29,088	)
Due after ten years		135,128		(3,873	)		72,082		(3,131	)		207,210		(7,004	)
Asset-backed securities		189,752		(369	)		6,262		(75	)		196,014		(444	)
Mortgage-backed securities		1,408,214		(13,956	)		491,399		(11,502	)		1,899,613		(25,458	)
Total fixed maturity securities	$	4,323,876	$	(73,351	)	$	1,473,940	$	(71,837	)	$	5,797,816	$	(145,188	)

The aggregate market value and gross unrealized losses related to investments in an unrealized loss position at September 30, 2017 were $5,909,831 thousand and $148,421 thousand, respectively.  The market value of securities for the single issuer whose securities comprised the largest unrealized loss position at September 30, 2017, did not exceed 0.4% of the overall market value of the Company's fixed maturity securities.  In addition, as indicated on the above table, there was no significant concentration of unrealized losses in any one market sector.  The $73,351 thousand of unrealized losses related to fixed maturity securities that have been in an unrealized loss position for less than one year were generally comprised of domestic and foreign corporate securities, agency residential mortgage-backed securities and foreign government securities.  Of these unrealized losses, $69,276 thousand were related to securities that were rated investment grade by at least one nationally recognized statistical rating agency.  The $71,837 thousand of unrealized losses related to fixed maturity securities in an unrealized loss position for more than one year related primarily to domestic and foreign corporate securities, foreign government securities, and agency residential mortgage-backed securities.  Of these unrealized losses, $67,753 thousand were related to securities that were rated investment grade by at least one nationally recognized statistical rating agency.  The majority of these unrealized losses are attributable to net unrealized foreign exchange losses, as the U.S. dollar has strengthened against other currencies.  There was no gross unrealized depreciation for mortgage-backed securities related to sub-prime and alt-A loans.  In all instances, there were no projected cash flow shortfalls to recover the full book value of the investments and the related interest obligations.  The mortgage-backed securities still have excess credit coverage and are current on interest and principal payments.

The Company, given the size of its investment portfolio and capital position, does not have the intent to sell these securities; and it is more likely than not that the Company will not have to sell the securities before recovery of cost basis.  In addition, all securities currently in an unrealized loss position are current with respect to principal and interest payments.

The tables below display the aggregate market value and gross unrealized depreciation of fixed maturity and equity securities, by security type and contractual maturity, in each case subdivided according to length of time that individual securities had been in a continuous unrealized loss position for the periods indicated:

	Duration of Unrealized Loss at December 31, 2016 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	638,740	$	(5,303	)	$	-	$	-		$	638,740	$	(5,303	)
Obligations of U.S. states and political subdivisions		221,088		(11,486	)		564		(484	)		221,652		(11,970	)
Corporate securities		1,360,743		(24,023	)		177,153		(11,735	)		1,537,896		(35,758	)
Asset-backed securities		150,023		(565	)		18,786		(721	)		168,809		(1,286	)
Mortgage-backed securities
Commercial		143,554		(3,223	)		7,184		(655	)		150,738		(3,878	)
Agency residential		1,618,372		(22,461	)		189,665		(5,449	)		1,808,037		(27,910	)
Non-agency residential		-		-			113		(45	)		113		(45	)
Foreign government securities		360,289		(12,041	)		236,820		(45,200	)		597,109		(57,241	)
Foreign corporate securities		687,599		(12,769	)		295,500		(51,677	)		983,099		(64,446	)
Total fixed maturity securities	$	5,180,408	$	(91,871	)	$	925,785	$	(115,966	)	$	6,106,193	$	(207,837	)
Equity securities		-		-			105,507		(12,784	)		105,507		(12,784	)
Total	$	5,180,408	$	(91,871	)	$	1,031,292	$	(128,750	)	$	6,211,700	$	(220,621	)

	Duration of Unrealized Loss at December 31, 2016 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	178,281	$	(1,122	)	$	78,153	$	(14,318	)	$	256,434	$	(15,440	)
Due in one year through five years		2,123,113		(26,263	)		538,130		(84,803	)		2,661,243		(111,066	)
Due in five years through ten years		680,334		(22,555	)		86,631		(8,754	)		766,965		(31,309	)
Due after ten years		286,731		(15,682	)		7,123		(1,221	)		293,854		(16,903	)
Asset-backed securities		150,023		(565	)		18,786		(721	)		168,809		(1,286	)
Mortgage-backed securities		1,761,926		(25,684	)		196,962		(6,149	)		1,958,888		(31,833	)
Total fixed maturity securities	$	5,180,408	$	(91,871	)	$	925,785	$	(115,966	)	$	6,106,193	$	(207,837	)

The aggregate market value and gross unrealized losses related to investments in an unrealized loss position at December 31, 2016 were $6,211,700 thousand and $220,621 thousand, respectively.  The market value of securities for the single issuer whose securities comprised the largest unrealized loss position at December 31, 2016, did not exceed 1.1% of the overall market value of the Company's fixed maturity securities.  In addition, as indicated on the above table, there was no significant concentration of unrealized losses in any one market sector.  The $91,871 thousand of unrealized losses related to fixed maturity securities that have been in an unrealized loss position for less than one year were generally comprised of domestic and foreign corporate securities, agency residential mortgage-backed securities, foreign government securities and obligations of U.S. states and political subdivisions. Of these unrealized losses, $85,078 thousand were related to securities that were rated investment grade by at least one nationally recognized statistical rating agency. The $115,966 thousand of unrealized losses related to fixed maturity securities in an unrealized loss position for more than one year related primarily to foreign government securities, foreign corporate securities and domestic corporate securities.  Of these unrealized losses $112,132 thousand is attributable to net unrealized foreign exchange losses, as the U.S. dollar has strengthened against other currencies.  There was no gross unrealized depreciation for mortgage-backed securities related to sub-prime and alt-A loans.  In all instances, there were no projected cash flow shortfalls to recover the full book value of the investments and the related interest obligations.  The mortgage-backed securities still have excess credit coverage and are current on interest and principal payments.

The components of net investment income are presented in the table below for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Fixed maturities	$	107,969		$	100,752		$	319,336		$	306,128
Equity securities		8,590			9,905			25,701			31,967
Short-term investments and cash		974			475			2,439			1,220
Other invested assets
Limited partnerships		23,315			17,077			54,373			33,922
Other		2,095			1,033			6,652			1,334
Gross investment income before adjustments		142,943			129,242			408,501			374,571
Funds held interest income (expense)		2,284			1,538			7,156			5,818
Future policy benefit reserve income (expense)		(280	)		(517	)		(1,015	)		(1,243	)
Gross investment income		144,947			130,263			414,642			379,146
Investment expenses		(7,974	)		(7,606	)		(20,872	)		(21,228	)
Net investment income	$	136,973		$	122,657		$	393,770		$	357,918

The Company records results from limited partnership investments on the equity method of accounting with changes in value reported through net investment income.  Due to the timing of receiving financial information from these partnerships, the results are generally reported on a one month or quarter lag.  If the Company determines there has been a significant decline in value of a limited partnership during this lag period, a loss will be recorded in the period in which the Company identifies the decline.

The Company had contractual commitments to invest up to an additional $663,222 thousand in limited partnerships at September 30, 2017.  These commitments will be funded when called in accordance with the partnership agreements, which have investment periods that expire, unless extended, through 2023.

The Company's other invested assets at September 30, 2017 and December 31, 2016 included $367,966 thousand and $378,862 thousand, respectively, related to a private placement liquidity sweep facility.  The primary purpose of the facility is to enhance the Company's return on its short-term investments and cash positions.  The facility invests in high quality, short-duration securities and permits daily liquidity.

The components of net realized capital gains (losses) are presented in the table below for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Fixed maturity securities, market value:
Other-than-temporary impairments	$	(1,485	)	$	(867	)	$	(5,188	)	$	(31,130	)
Gains (losses) from sales		7,998			5,912			32,913			(7,670	)
Fixed maturity securities, fair value:
Gains (losses) from sales		-			(1	)		-			(1,855	)
Gains (losses) from fair value adjustments		-			42			-			1,381
Equity securities, market value:
Gains (losses) from sales		-			-			(3,436	)		65
Equity securities, fair value:
Gains (losses) from sales		(1,525	)		5,850			3,796			(10,266	)
Gains (losses) from fair value adjustments		36,463			17,475			91,367			36,284
Sale of subsidiary		-			(28,032	)		-			(28,032	)
Other invested assets		85			-			84			-
Short-term investments gain (loss)		(1	)		1			(5	)		2
Total net realized capital gains (losses)	$	41,535		$	380		$	119,531		$	(41,221	)

The Company recorded as net realized capital gains (losses) in the consolidated statements of operations and comprehensive income (loss) both fair value re-measurements and write-downs in the value of securities deemed to be impaired on an other-than-temporary basis as displayed in the table above.  The Company had no other-than-temporary impaired securities where the impairment had both a credit and non-credit component.

The proceeds and split between gross gains and losses, from sales of fixed maturity and equity securities, are presented in the table below for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Proceeds from sales of fixed maturity securities	$	700,728		$	293,998		$	1,691,937		$	890,349
Gross gains from sales		13,743			15,028			46,321			32,674
Gross losses from sales		(5,745	)		(9,117	)		(13,408	)		(42,199	)
Proceeds from sales of equity securities	$	57,861		$	112,451		$	334,889		$	542,715
Gross gains from sales		2,258			7,308			14,351			14,040
Gross losses from sales		(3,783	)		(1,458	)		(13,991	)		(24,241	)

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Reserve For Losses, LAE And Future Policy Benefit Reserve

9 Months Ended

Sep. 30, 2017

Reserve For Losses LAE And Future Policy Benefit Reserve [Abstract]

Reserve For Losses LAE And Future Policy Benefit Reserve

4.      RESERVE FOR LOSSES, LAE AND FUTURE POLICY BENEFIT RESERVE

Activity in the reserve for losses and LAE is summarized for the periods indicated:

	Nine Months Ended			Twelve Months Ended
	September 30,			December 31,
(Dollars in thousands)	2017			2016
Gross reserves at beginning of period	$	10,312,313		$	9,951,798
Less reinsurance recoverables		(990,862	)		(881,503	)
Net reserves at beginning of period		9,321,451			9,070,295
Incurred related to:
Current year		3,843,434			3,434,964
Prior years		(1,289	)		(295,335	)
Total incurred losses and LAE		3,842,145			3,139,629
Paid related to:
Current year		948,897			745,642
Prior years		1,265,713			2,042,972
Total paid losses and LAE		2,214,610			2,788,614
Foreign exchange/translation adjustment		208,246			(99,859	)
Net reserves at end of period		11,157,232			9,321,451
Plus reinsurance recoverables		1,298,125			990,862
Gross reserves at end of period	$	12,455,357		$	10,312,313

Current year incurred losses were $3,843,434 thousand for the nine months ended September 30, 2017 compared to $3,434,964 thousand for the full year 2016.  The increase in current year incurred losses was primarily due to $1,443,746 thousand of catastrophe losses incurred in the nine months ended September 30, 2017, mainly related to Hurricane Irma, Hurricane Maria, Hurricane Harvey and the Mexico City earthquake.  The $307,263 thousand increase in reinsurance recoverables from December 31, 2016 is primarily due to recoverables from these catastrophe losses.

Incurred prior years' reserves decreased by $1,289 thousand and $295,335 thousand for the nine months ended September 30, 2017 and for the twelve months ended December 31, 2016, respectively.  The decrease for the twelve months ended December 31, 2016 was attributable to favorable development in the reinsurance segments of $468,749 thousand related primarily to property and short-tail business in the U.S., property business in Canada, Latin America, Middle East and Africa, as well as favorable development on prior year catastrophe losses, partially offset by $53,909 thousand of adverse development on asbestos and environmental ("A&E") reserves.  Part of the favorable development in the reinsurance segments related to the 2015 loss from the explosion at the Chinese port of Tianjin.  In 2015, this loss was originally estimated to be $60,000 thousand.  At December 31, 2016, this loss was projected to be $16,720 thousand resulting in $43,280 thousand of favorable development in 2016.  The net favorable development in the reinsurance segments was partially offset by $173,414 thousand of unfavorable development in the insurance segment primarily related to run-off construction liability and umbrella program business.

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Derivatives

9 Months Ended

Sep. 30, 2017

Derivatives [Abstract]

Derivatives

5.     DERIVATIVES

The Company sold seven equity index put option contracts, based on two indices, in 2001 and 2005.  The Company sold these equity index put options as insurance products with the intent of achieving a profit.  These equity index put option contracts meet the definition of a derivative under FASB guidance and the Company's position in these equity index put option contracts is unhedged.  Accordingly, these equity index put option contracts are carried at fair value in the consolidated balance sheets with changes in fair value recorded in the consolidated statements of operations and comprehensive income (loss).  One of these contracts expired on June 9, 2017, with no liability due under the terms of the contract.

The Company has five remaining equity index put option contracts, based on the Standard & Poor's 500 ("S&P 500") index.  Based on historical index volatilities and trends and the September 30, 2017 S&P 500 index value, the Company estimates the probability that each equity index put option contract of the S&P 500 index falling below the strike price on the exercise date to be less than 2%.  The theoretical maximum payouts under these five equity index put option contracts would occur if on each of the exercise dates the

S&P 500 index value were zero.  At September 30, 2017, the present value of these theoretical maximum payouts using a 3% discount factor was $397,561 thousand.  Conversely, if the contracts had all expired on September 30, 2017, with the S&P index at $2,519.36, there would have been no settlement amount.

The Company has one equity index put option contract based on the FTSE 100 index.  Based on historical index volatilities and trends and the September 30, 2017 FTSE 100 index value, the Company estimates the probability that the equity index put option contract of the FTSE 100 index will fall below the strike price on the exercise date to be less than 15%.  The theoretical maximum payout under the equity index put option contract would occur if on the exercise date the FTSE 100 index value was zero.  At September 30, 2017, the present value of the theoretical maximum payout using a 3% discount factor and current exchange rate was $41,134 thousand.  Conversely, if the contract had expired on September 30, 2017, with the FTSE index at £7,372.76, there would have been no settlement amount.

At September 30, 2017 and December 31, 2016, the fair value for these equity put options was $16,006 thousand and $22,059 thousand, respectively.

The fair value of the equity index put options can be found in the Company's consolidated balance sheets as follows:

(Dollars in thousands)
Derivatives not designated as	Location of fair value	At		At
hedging instruments	in balance sheets	September 30, 2017		December 31, 2016
Equity index put option contracts	Equity index put option liability	$	16,006	$	22,059
Total		$	16,006	$	22,059

The change in fair value of the equity index put option contracts can be found in the Company's statement of operations and comprehensive income (loss) as follows:

(Dollars in thousands)		For the Three Months Ended				For the Nine Months Ended
Derivatives not designated as	Location of gain (loss) in statements of	September 30,				September 30,
hedging instruments	operations and comprehensive income (loss)	2017		2016		2017		2016
Equity index put option contracts	Net derivative gain (loss)	$	2,656	$	6,510	$	6,052	$	5,486
Total		$	2,656	$	6,510	$	6,052	$	5,486

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Fair Value

9 Months Ended

Sep. 30, 2017

Fair Value [Abstract]

Fair Value

6.     FAIR VALUE

GAAP guidance regarding fair value measurements address how companies should measure fair value when they are required to use fair value measures for recognition or disclosure purposes under GAAP and provides a common definition of fair value to be used throughout GAAP.  It defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly fashion between market participants at the measurement date.  In addition, it establishes a three-level valuation hierarchy for the disclosure of fair value measurements.  The valuation hierarchy is based on the transparency of inputs to the valuation of an asset or liability.  The level in the hierarchy within which a given fair value measurement falls is determined based on the lowest level input that is significant to the measurement, with Level 1 being the highest priority and Level 3 being the lowest priority.

The levels in the hierarchy are defined as follows:

Level 1: Inputs to the valuation methodology are observable inputs that reflect unadjusted quoted prices for identical assets or liabilities in an active market;

Level 2: Inputs to the valuation methodology include quoted prices for similar assets and liabilities in active markets, and inputs that are observable for the asset or liability, either directly or indirectly, for substantially the full term of the financial instrument;

Level 3: Inputs to the valuation methodology are unobservable and significant to the fair value measurement.

The Company's fixed maturity and equity securities are primarily managed by third party investment asset managers.  The investment asset managers obtain prices from nationally recognized pricing services.   These services seek to utilize market data and observations in their evaluation process.  They use pricing applications that vary by asset class and incorporate available market information and when fixed maturity securities do not trade on a daily basis the services will apply available information through processes such as benchmark curves, benchmarking of like securities, sector groupings and matrix pricing.  In addition, they use model processes, such as the Option Adjusted Spread model to develop prepayment and interest rate scenarios for securities that have prepayment features.

In limited instances where prices are not provided by pricing services or in rare instances when a manager may not agree with the pricing service, price quotes on a non-binding basis are obtained from investment brokers.  The investment asset managers do not make any changes to prices received from either the pricing services or the investment brokers.  In addition, the investment asset managers have procedures in place to review the reasonableness of the prices from the service providers and may request verification of the prices.  In addition, the Company continually performs analytical reviews of price changes and tests the prices on a random basis to an independent pricing source.  No material variances were noted during these price validation procedures.  In limited situations, where financial markets are inactive or illiquid, the Company may use its own assumptions about future cash flows and risk-adjusted discount rates to determine fair value.  Due to the unavailability of prices for fifty-one private placement securities, the investment manager's valuation committee valued the fifty securities at $105,987 thousand at September 30, 2017.  In addition, the Company valued one private placement security at $51,965 thousand, representing par value.  Due to the unavailability of prices for forty-two private placement securities, the investment manager's valuation committee valued the forty-two securities at $86,536 thousand at December 31, 2016.

The Company internally manages a public equity portfolio which had a fair value at September 30, 2017 and December 31, 2016 of $361,608 thousand and $256,041 thousand, respectively, and all prices were obtained from publically published sources.

Equity securities denominated in U.S. currency with quoted prices in active markets for identical assets are categorized as level 1 since the quoted prices are directly observable.  Equity securities traded on foreign exchanges are categorized as level 2 due to the added input of a foreign exchange conversion rate to determine fair or market value.  The Company uses foreign currency exchange rates published by nationally recognized sources.

All categories of fixed maturity securities listed in the tables below are generally categorized as level 2, since a particular security may not have traded but the pricing services are able to use valuation models with observable market inputs such as interest rate yield curves and prices for similar fixed maturity securities in terms of issuer, maturity and seniority.  For foreign government securities and foreign corporate securities, the fair values provided by the third party pricing services in local currencies, and where applicable, are converted to U.S. dollars using currency exchange rates from nationally recognized sources.

The fixed maturities with fair values categorized as level 3 result when prices are not available from the nationally recognized pricing services.  The asset managers will then obtain non-binding price quotes for the securities from brokers. The single broker quotes are provided by market makers or broker-dealers who are recognized as market participants in the markets in which they are providing the quotes.  The prices received from brokers are reviewed for reasonableness by the third party asset managers and the Company.  If the broker quotes are for foreign denominated securities, the quotes are converted to U.S. dollars using currency exchange rates from nationally recognized sources.  In limited circumstances when broker prices are not available for private placements, the Company will value the securities using comparable market information.

The composition and valuation inputs for the presented fixed maturities categories are as follows:

· U.S. Treasury securities and obligations of U.S. government agencies and corporations are primarily comprised of U.S. Treasury bonds and the fair value is based on observable market inputs such as quoted prices, reported trades, quoted prices for similar issuances or benchmark yields;

· Obligations of U.S. states and political subdivisions are comprised of state and municipal bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities, benchmark yields and credit spreads;

· Corporate securities are primarily comprised of U.S. corporate and public utility bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities, benchmark yields and credit spreads;

· Asset-backed and mortgage-backed securities fair values are based on observable inputs such as quoted prices, reported trades, quoted prices for similar issuances or benchmark yields and cash flow models using observable inputs such as prepayment speeds, collateral performance and default spreads;

· Foreign government securities are comprised of global non-U.S. sovereign bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities and models with observable inputs such as benchmark yields and credit spreads and then, where applicable, converted to U.S. dollars using an exchange rate from a nationally recognized source;

· Foreign corporate securities are comprised of global non-U.S. corporate bond issuances and the fair values are based on observable market inputs such as quoted market prices, quoted prices for similar securities and models with observable inputs such as benchmark yields and credit spreads and then, where applicable, converted to U.S. dollars using an exchange rate from a nationally recognized source.

The Company sold seven equity index put option contracts, based on two indices, in 2001 and 2005. The Company sold these equity index put options as insurance products with the intent of achieving a profit.  These equity index put option contracts meet the definition of a derivative under FASB guidance and the Company's position in these equity index put option contracts is unhedged.  Accordingly, these equity index put option contracts are carried at fair value in the consolidated balance sheets with changes in fair value recorded in the consolidated statements of operations and comprehensive income (loss).  One of these contracts expired on June 9, 2017, with no liability due under the terms of the contract.

The Company's liability for equity index put options is categorized as level 3 since there is no active market for these equity put options.  The fair values for these options are calculated by the Company using an industry accepted pricing model, Black-Scholes.  The model inputs and assumptions are: risk free interest rates, equity market indexes values, volatilities and dividend yields and duration.  The model results are then adjusted for the Company's credit default swap rate.  All of these inputs and assumptions are updated quarterly.  One of the option contacts is in British Pound Sterling so the fair value for this contract is converted to U.S. dollars using an exchange rate from a nationally recognized source.

The following table presents the fair value measurement levels for all assets and liabilities, which the Company has recorded at fair value (fair and market value) as of the periods indicated:

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	September 30, 2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Fixed maturities, market value
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,146,869	$	-	$	1,146,869	$	-
Obligations of U.S. States and political subdivisions		671,842		-		671,842		-
Corporate securities		5,676,162		-		5,522,128		154,034
Asset-backed securities		556,397		-		556,397		-
Mortgage-backed securities
Commercial		252,791		-		252,791		-
Agency residential		2,380,329		-		2,380,329		-
Non-agency residential		517		-		517		-
Foreign government securities		1,329,433		-		1,329,433		-
Foreign corporate securities		2,763,835		-		2,759,917		3,918
Total fixed maturities, market value		14,778,175		-		14,620,223		157,952
Equity securities, market value		127,425		112,015		15,410		-
Equity securities, fair value		1,141,146		1,094,754		46,392		-
Liabilities:
Equity index put option contracts	$	16,006	$	-	$	-	$	16,006

There were no transfers between Level 1 and Level 2 for the nine months ended September 30, 2017.

The following table presents the fair value measurement levels for all assets and liabilities, which the Company has recorded at fair value (fair and market value) as of the periods indicated:

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	December 31, 2016		(Level 1)		(Level 2)		(Level 3)
Assets:
Fixed maturities, market value
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,130,315	$	-	$	1,130,315	$	-
Obligations of U.S. States and political subdivisions		729,984		-		729,984		-
Corporate securities		5,155,281		-		5,090,084		65,197
Asset-backed securities		488,648		-		488,648		-
Mortgage-backed securities
Commercial		306,932		-		306,932		-
Agency residential		2,405,469		-		2,405,469		-
Non-agency residential		641		-		641		-
Foreign government securities		1,258,160		-		1,258,160		-
Foreign corporate securities		2,631,978		-		2,629,440		2,538
Total fixed maturities, market value		14,107,408		-		14,039,673		67,735
Equity securities, market value		119,067		105,507		13,560		-
Equity securities, fair value		1,010,085		949,523		60,562		-
Liabilities:
Equity index put option contracts	$	22,059	$	-	$	-	$	22,059

In addition, $70,657 thousand and $18,801 thousand of investments within other invested assets on the consolidated balance sheets as of September 30, 2017 and December 31, 2016, respectively, are not included within the fair value hierarchy tables as the assets are valued using the NAV practical expedient guidance within ASU 2015-07.

The following tables present the activity under Level 3, fair value measurements using significant unobservable inputs by asset type, for the periods indicated:

	Three Months Ended September 30, 2017								Nine Months Ended September 30, 2017
	Corporate		Foreign						Corporate		Foreign
(Dollars in thousands)	Securities		Corporate			Total			Securities		Corporate			Total
Beginning balance	$	138,105	$	3,151		$	141,256		$	65,197	$	2,538		$	67,735
Total gains or (losses) (realized/unrealized)
Included in earnings		283		209			492			1,208		313			1,521
Included in other comprehensive income (loss)		18		(184	)		(166	)		161		(184	)		(23	)
Purchases, issuances and settlements		15,628		742			16,370			87,468		1,251			88,719
Transfers in and/or (out) of Level 3		-		-			-			-		-			-
Ending balance	$	154,034	$	3,918		$	157,952		$	154,034	$	3,918		$	157,952
The amount of total gains or losses for the period
included in earnings (or changes in net assets)
attributable to the change in unrealized gains
or losses relating to assets still held
at the reporting date	$	-	$	-		$	-		$	-	$	-		$	-
(Some amounts may not reconcile due to rounding.)

	Three Months Ended September 30, 2016												Nine Months Ended September 30, 2016
	Corporate						Foreign						Corporate						Foreign
(Dollars in thousands)	Securities			CMBS			Corporate			Total			Securities			CMBS			Corporate			Total
Beginning balance	$	32,410		$	-		$	2,021		$	34,431		$	3,933		$	-		$	1,593		$	5,526
Total gains or (losses) (realized/unrealized)
Included in earnings		(12	)		-			27			15			(22	)		-			(970	)		(992	)
Included in other comprehensive income (loss)		(48	)		(38	)		(1,285	)		(1,371	)		(81	)		(38	)		140			21
Purchases, issuances and settlements		25,877			(44	)		2,231			28,064			54,397			(44	)		2,231			56,584
Transfers in and/or (out) of Level 3		(1,932	)		3,947			-			2,015			(1,932	)		3,947			-			2,015
Ending balance	$	56,295		$	3,865		$	2,994		$	63,154		$	56,295		$	3,865		$	2,994		$	63,154
The amount of total gains or losses for the period
included in earnings (or changes in net assets)
attributable to the change in unrealized gains
or losses relating to assets still held
at the reporting date	$	-		$	-		$	-		$	-		$	-		$	-		$	(997	)	$	(997	)
(Some amounts may not reconcile due to rounding.)

The net transfers to/(from) level 3, fair value measurements using significant unobservable inputs were $0 thousand and $2,015 thousand of investments for the nine months ended September 30, 2017 and 2016, respectively.  The $2,015 thousand of investments for the nine months ended September 30, 2016 related to the net impact of securities no longer priced by a recognized pricing service.

The following table presents the activity under Level 3, fair value measurements using significant unobservable inputs for equity index put option contracts, for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Liabilities:
Balance, beginning of period	$	18,662		$	41,729		$	22,059		$	40,705
Total (gains) or losses (realized/unrealized)
Included in earnings		(2,656	)		(6,510	)		(6,052	)		(5,486	)
Included in other comprehensive income (loss)		-			-			-			-
Purchases, issuances and settlements		-			-			-			-
Transfers in and/or (out) of Level 3		-			-			-			-
Balance, end of period	$	16,006		$	35,219		$	16,006		$	35,219
The amount of total gains or losses for the period included in earnings
(or changes in net assets) attributable to the change in unrealized
gains or losses relating to liabilities still held at the reporting date	$	-		$	-		$	-		$	-
(Some amounts may not reconcile due to rounding.)

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Earnings Per Common Share

9 Months Ended

Sep. 30, 2017

Earnings Per Common Share [Abstract]

Earnings Per Common Share

7.     EARNINGS PER COMMON SHARE

Basic earnings per share are calculated by dividing net income by the weighted average number of common shares outstanding.  Diluted earnings per share reflect the potential dilution that would occur if options granted under various share-based compensation plans were exercised resulting in the issuance of common shares that would participate in the earnings of the entity.

Net income (loss) per common share has been computed as per below, based upon weighted average common basic and dilutive shares outstanding.  The dilutive calculation is not applicable for the three and nine months ended September 30, 2017 due to net losses.

		Three Months Ended						Nine Months Ended
		September 30,						September 30,
(Dollars in thousands, except per share amounts)		2017			2016			2017			2016
Net income (loss) per share:
Numerator
Net income (loss)		$	(639,374	)	$	295,394		$	(102,057	)	$	622,772
Less:  dividends declared-common shares and nonvested common shares			(51,302	)		(47,463	)		(153,887	)		(144,299	)
Undistributed earnings			(690,676	)		247,932			(255,944	)		478,472
Percentage allocated to common shareholders (1)			100.0	%		98.9	%		100.0	%		98.9	%
			(690,676	)		245,248			(255,944	)		473,372
Add:  dividends declared-common shareholders			51,302			46,985			153,887			142,839
Numerator for basic and diluted earnings per common share		$	(639,374	)	$	292,233		$	(102,057	)	$	616,211
Denominator
Denominator for basic earnings per weighted-average common shares			40,638			41,101			40,597			41,626
Effect of dilutive securities:
Options			245			284			255			305
Denominator for diluted earnings per adjusted weighted-average common shares			40,883			41,386			40,852			41,931
Per common share net income (loss)
Basic		$	(15.73	)	$	7.11		$	(2.51	)	$	14.80
Diluted		$	(15.73	)	$	7.06		$	(2.51	)	$	14.70
(1)	Basic weighted-average common shares outstanding		40,638			41,101			40,597			41,626
	Basic weighted-average common shares outstanding and nonvested common shares expected to vest		40,638			41,551			40,597			42,074
	Percentage allocated to common shareholders		100.0	%		98.9	%		100.0	%		98.9	%
(Some amounts may not reconcile due to rounding.)

There were no anti-diluted options outstanding for the three and nine months ended September 30, 2017 and 2016.

All outstanding options expire on or between February 20, 2018 and September 19, 2022.

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Commitments And Contingencies

9 Months Ended

Sep. 30, 2017

Commitments And Contingencies [Abstract]

Commitments And Contingencies

8.     COMMITMENTS AND CONTINGENCIES

In the ordinary course of business, the Company is involved in lawsuits, arbitrations and other formal and informal dispute resolution procedures, the outcomes of which will determine the Company's rights and obligations under insurance and reinsurance agreements.  In some disputes, the Company seeks to enforce its rights under an agreement or to collect funds owing to it.  In other matters, the Company is resisting attempts by others to collect funds or enforce alleged rights.  These disputes arise from time to time and are ultimately resolved through both informal and formal means, including negotiated resolution, arbitration and litigation.  In all such matters, the Company believes that its positions are legally and commercially reasonable.  The Company considers the statuses of these proceedings when determining its reserves for unpaid loss and loss adjustment expenses.

Aside from litigation and arbitrations related to these insurance and reinsurance agreements, the Company is not a party to any other material litigation or arbitration.

The Company has entered into separate annuity agreements with The Prudential Insurance of America ("The Prudential") and an additional unaffiliated life insurance company in which the Company has either purchased annuity contracts or become the assignee of annuity proceeds that are meant to settle claim payment obligations in the future.  In both instances, the Company would become contingently liable if either The Prudential or the unaffiliated life insurance company were unable to make payments related to the respective annuity contract.

The table below presents the estimated cost to replace all such annuities for which the Company was contingently liable for the periods indicated:

	At September 30,		At December 31,
(Dollars in thousands)	2017		2016
The Prudential	$	144,331	$	146,507
Unaffiliated life insurance company		33,769		33,860

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Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2017

Other Comprehensive Income (Loss) [Abstract]

Other Comprehensive Income (Loss)

9.    OTHER COMPREHENSIVE INCOME (LOSS)

The following tables present the components of comprehensive income (loss) in the consolidated statements of operations for the periods indicated:

	Three Months Ended September 30, 2017									Nine Months Ended September 30, 2017
(Dollars in thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary	$	(3,197	)	$	(2,835	)	$	(6,032	)	$	18,844		$	3,699		$	22,543
URA(D) on securities - OTTI		306			55			361			(5,189	)		1,391			(3,798	)
Reclassification of net realized losses (gains) included in net income (loss)		(6,598	)		1,061			(5,537	)		(24,373	)		7,644			(16,729	)
Foreign currency translation adjustments		96,022			(18,458	)		77,564			148,395			(23,271	)		125,124
Benefit plan actuarial net gain (loss)		-			-			-			-			-			-
Reclassification of benefit plan liability amortization included in net income (loss)		2,107			(738	)		1,369			8,273			(2,896	)		5,377
Total other comprehensive income (loss)	$	88,640		$	(20,915	)	$	67,725		$	145,950		$	(13,433	)	$	132,517

	Three Months Ended September 30, 2016									Nine Months Ended September 30, 2016
(Dollars in thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax		Tax Effect			Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary	$	(5,972	)	$	(2,079	)	$	(8,051	)	$	295,311	$	(42,643	)	$	252,668
URA(D) on securities - OTTI		(1,836	)		855			(981	)		7,088		(1,470	)		5,618
Reclassification of net realized losses (gains) included in net income (loss)		(5,045	)		1,823			(3,222	)		38,734		(11,023	)		27,711
Foreign currency translation adjustments		1,393			1,423			2,816			32,601		(14,962	)		17,639
Benefit plan actuarial net gain (loss)		-			-			-			-		-			-
Reclassification of benefit plan liability amortization included in net income (loss)		1,951			(683	)		1,268			6,076		(2,127	)		3,949
Total other comprehensive income (loss)	$	(9,510	)	$	1,340		$	(8,170	)	$	379,809	$	(72,224	)	$	307,585

The following table presents details of the amounts reclassified from AOCI for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,						Affected line item within the statements of
AOCI component	2017			2016			2017			2016			operations and comprehensive income (loss)
(Dollars in thousands)
URA(D) on securities	$	(6,598	)	$	(5,045	)	$	(24,373	)	$	38,734		Other net realized capital gains (losses)
		1,061			1,823			7,644			(11,023	)	Income tax expense (benefit)
	$	(5,537	)	$	(3,222	)	$	(16,729	)	$	27,711		Net income (loss)
Benefit plan net gain (loss)	$	2,107		$	1,951		$	8,273		$	6,076		Other underwriting expenses
		(738	)		(683	)		(2,896	)		(2,127	)	Income tax expense (benefit)
	$	1,369		$	1,268		$	5,377		$	3,949		Net income (loss)

The following table presents the components of accumulated other comprehensive income (loss), net of tax, in the consolidated balance sheets for the periods indicated:

	Nine Months Ended			Twelve Months Ended
	September 30,			December 31,
(Dollars in thousands)	2017			2016
Beginning balance of URA (D) on securities	$	115,558		$	42,811
Current period change in URA (D) of investments - temporary		5,814			66,802
Current period change in URA (D) of investments - non-credit OTTI		(3,798	)		5,945
Ending balance of URA (D) on securities		117,574			115,558
Beginning balance of foreign currency translation adjustments		(266,818	)		(211,477	)
Current period change in foreign currency translation adjustments		125,124			(55,341	)
Ending balance of foreign currency translation adjustments		(141,694	)		(266,818	)
Beginning balance of benefit plan net gain (loss)		(65,504	)		(63,089	)
Current period change in benefit plan net gain (loss)		5,377			(2,415	)
Ending balance of benefit plan net gain (loss)		(60,127	)		(65,504	)
Ending balance of accumulated other comprehensive income (loss)	$	(84,247	)	$	(216,764	)

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Credit Facilities

9 Months Ended

Sep. 30, 2017

Credit Facilities [Abstract]

Credit Facilities

10.  CREDIT FACILITIES

The Company has two active credit facilities for a total commitment of up to $1,000,000 thousand and an additional credit facility for a total commitment of up to £145,000 thousand, providing for the issuance of letters of credit and/or unsecured revolving credit lines. The following table presents the interest and fees incurred in connection with the two credit facilities for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Credit facility interest and fees incurred	$	105	$	35	$	315	$	618

The terms and outstanding amounts for each facility are discussed below:

Group Credit Facility

Effective May 26, 2016, Group, Everest Reinsurance (Bermuda), Ltd. ("Bermuda Re") and Everest International Reinsurance, Ltd. ("Everest International"), both direct subsidiaries of Group, entered into a five year, $800,000 thousand senior credit facility with a syndicate of lenders, which amended and restated in its entirety the June 22, 2012, four year, $800,000 thousand senior credit facility.  Both the May 26, 2016 and June 22, 2012 senior credit facilities, which have similar terms, are referred to as the "Group Credit Facility".  Wells Fargo Corporation ("Wells Fargo Bank") is the administrative agent for the Group Credit Facility, which consists of two tranches.  Tranche one provides up to $200,000 thousand of unsecured revolving credit for liquidity and general corporate purposes, and for the issuance of unsecured standby letters of credit.  The interest on the revolving loans shall, at the Company's option, be either (1) the Base Rate (as defined below) or (2) an adjusted London Interbank Offered Rate ("LIBOR") plus a margin.  The Base Rate is the higher of (a) the prime commercial lending rate established by Wells Fargo Bank, (b) the Federal Funds Rate plus 0.5% per annum or (c) the one month LIBOR Rate plus 1.0% per annum. The amount of margin and the fees payable for the Group Credit Facility depends on Group's senior unsecured debt rating.  Tranche two exclusively provides up to $600,000 thousand for the issuance of standby letters of credit on a collateralized basis.

The Group Credit Facility requires Group to maintain a debt to capital ratio of not greater than 0.35 to 1 and to maintain a minimum net worth.  Minimum net worth is an amount equal to the sum of $5,370,979 thousand plus 25% of consolidated net income for each of Group's fiscal quarters, for which statements are available ending on or after March 31, 2016 and for which consolidated net income is positive, plus 25% of any increase in consolidated net worth during such period attributable to the issuance of ordinary and preferred shares, which at September 30, 2017, was $5,723,052 thousand.  As of September 30, 2017, the Company was in compliance with all Group Credit Facility covenants.

(Dollars in thousands)		At September 30, 2017					At December 31, 2016
Bank		Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Wells Fargo Bank Group Credit Facility	Tranche One	$	200,000	$	-		$	200,000	$	-
	Tranche Two		600,000		507,916	12/31/2017		600,000		478,233	12/31/2017
Total Wells Fargo Bank Group Credit Facility		$	800,000	$	507,916		$	800,000	$	478,233

Bermuda Re Letter of Credit Facility

Effective December 30, 2016, Bermuda Re renewed its letter of credit issuance facility with Citibank N.A. referred to as the "Bermuda Re Letter of Credit Facility", which commitment is reconfirmed annually with updated fees.  The current renewal of the Bermuda Re Letter of Credit Facility provides for the issuance of up to $200,000 thousand of secured letters of credit to collateralize reinsurance obligations as a non-admitted reinsurer.  The interest on drawn letters of credit shall be (A) 0.35% per annum of the principal amount of issued standard letters of credit (expiry of 15 months or less) and (B) 0.45% per annum of the principal amount of issued extended tenor letters of credit (expiry maximum of up to 60 months).  The commitment fee on undrawn credit shall be 0.15% per annum.

The following table summarizes the outstanding letters of credit for the periods indicated:

(Dollars in thousands)	At September 30, 2017					At December 31, 2016
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Citibank Bilateral Letter of Credit Agreement	$	200,000	$	3,672	11/24/2017	$	200,000	$	4,058	2/28/2017
				68,353	12/31/2017				3,672	11/24/2017
				3,297	2/28/2018				69,404	12/31/2017
				353	8/30/2018				269	8/30/2018
				4,019	12/31/2018				1,163	12/31/2018
				105,485	9/30/2021				93,180	12/30/2020
Total Citibank Bilateral Agreement	$	200,000	$	185,179		$	200,000	$	171,746

Everest International Credit Facility

Effective November 9, 2016, Everest International renewed its credit facility with Lloyds Bank plc ("Everest International Credit Facility"). The current renewal of the Everest International Credit Facility, along with a May 17, 2017 amendment, has a four year term and provides up to £145,000 thousand for the issuance of standby letters of credit on a collateralized basis.  The Company pays a commitment fee of 0.1% per annum on the average daily amount of the remainder of (1) the aggregate amount available under the facility and (2) the aggregate amount of drawings outstanding under the facility.  The Company pays a credit commission fee of 0.35% per annum on drawings outstanding under the facility.

The Everest International Credit Facility requires Group to maintain a debt to capital ratio of not greater than 0.35 to 1 and to maintain a minimum net worth.  Minimum net worth is an amount equal to the sum of $5,326,009 thousand (70% of consolidated net worth as of December 31, 2015), plus 25% of consolidated net income for each of Group's fiscal quarters, for which statements are available ending on or after January 1, 2015 and for which net income is positive, plus 25% of any increase in consolidated net worth of Group during such period attributable to the issuance of ordinary and preferred shares, which at September 30, 2017, was $5,723,052 thousand. As of September 30, 2017, the Company was in compliance with all Everest International Credit Facility requirements.

The following table summarizes the outstanding letters of credit for the periods indicated:

(Dollars in thousands)	At September 30, 2017					At December 31, 2016
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Lloyds Bank plc	£	145,000	£	140,964	12/31/2020	£	140,000	£	130,606	12/31/2019
		-		-			-		-
Total Lloyds Bank plc Credit Facility	£	145,000	£	140,964		£	140,000	£	130,606

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Collateralized Reinsurance And Trust Agreements

9 Months Ended

Sep. 30, 2017

Collateralized Reinsurance And Trust Agreements [Abstract]

Collateralized Reinsurance And Trust Agreements

11.  COLLATERALIZED REINSURANCE AND TRUST AGREEMENTS

Certain subsidiaries of Group have established trust agreements, which effectively use the Company's investments as collateral, as security for assumed losses payable to certain non-affiliated ceding companies.  At September 30, 2017, the total amount on deposit in trust accounts was $794,469 thousand.

The Company reinsures some of its catastrophe exposures with the segregated accounts of Mt. Logan Re.  Mt. Logan Re is a Class 3 insurer registered in Bermuda effective February 27, 2013 under The Segregated Accounts Companies Act 2000 and 100% of the voting common shares are owned by Group.  Separate segregated accounts for Mt. Logan Re began being established effective July 1, 2013 and non-voting, redeemable preferred shares have been issued to capitalize the segregated accounts.  Each segregated account invests predominately in a diversified set of catastrophe exposures, diversified by risk/peril and across different geographic regions globally.

The following table summarizes the premiums and losses that are ceded by the Company to Mt. Logan Re segregated accounts and assumed by the Company from Mt. Logan Re segregated accounts.

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
Mt. Logan Re Segregated Accounts	2017	2016	2017	2016
(Dollars in thousands)
Ceded written premiums	64,003	65,093	160,949	157,939
Ceded earned premiums	55,708	53,007	154,191	143,856
Ceded losses and LAE	197,395	8,725	241,792	38,459
Assumed written premiums	2,587	5,032	9,082	11,666
Assumed earned premiums	2,587	5,032	9,082	11,666
Assumed losses and LAE	-	-	-	-

Each segregated account is permitted to assume net risk exposures equal to the amount of its available posted collateral, which in the aggregate was $832,679 thousand and $932,243 thousand at September 30, 2017 and December 31, 2016, respectively.  Of this amount, Group had investments valued at $50,935 thousand and $58,955 thousand at September 30, 2017 and December 31, 2016, respectively, in the segregated accounts.

On April 24, 2014, the Company entered into two collateralized reinsurance agreements with Kilimanjaro Re Limited ("Kilimanjaro"), a Bermuda based special purpose reinsurer, to provide the Company with catastrophe reinsurance coverage.  These agreements are multi-year reinsurance contracts which cover specified named storm and earthquake events.  The first agreement provides up to $250,000 thousand of reinsurance coverage from named storms in specified states of the Southeastern United States.  The second agreement provides up to $200,000 thousand of reinsurance coverage from named storms in specified states of the Southeast, Mid-Atlantic and Northeast regions of the United States and Puerto Rico as well as reinsurance coverage from earthquakes in specified states of the Southeast, Mid-Atlantic, Northeast and West regions of the United States, Puerto Rico and British Columbia.

On November 18, 2014, the Company entered into a collateralized reinsurance agreement with Kilimanjaro to provide the Company with catastrophe reinsurance coverage.  This agreement is a multi-year reinsurance contract which covers specified earthquake events.  The agreement provides up to $500,000 thousand of reinsurance coverage from earthquakes in the United States, Puerto Rico and Canada.

On December 1, 2015 the Company entered into two collateralized reinsurance agreements with Kilimanjaro to provide the Company with catastrophe reinsurance coverage.  These agreements are multi-year reinsurance contracts which cover named storm and earthquake events.  The first agreement provides up to $300,000 thousand of reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.  The second agreement provides up to $325,000 thousand of reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.

On April 13, 2017 the Company entered into six collateralized reinsurance agreements with Kilimanjaro to provide the Company with annual aggregate catastrophe reinsurance coverage.  The initial three agreements are four year reinsurance contracts which cover named storm and earthquake events.  These agreements provide up to $225,000 thousand, $400,000 thousand and $325,000 thousand, respectively, of annual aggregate reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.  The subsequent three agreements are five year reinsurance contracts which cover named storm and earthquake events.  These agreements provide up to $50,000 thousand, $75,000 thousand and $175,000 thousand, respectively, of annual aggregate reinsurance coverage from named storms and earthquakes in the United States, Puerto Rico and Canada.

Recoveries under these collateralized reinsurance agreements with Kilimanjaro are primarily dependent on estimated industry level insured losses from covered events, as well as, the geographic location of the events.  The estimated industry level of insured losses is obtained from published estimates by an independent recognized authority on insured property losses.  As of September 30, 2017, none of the published insured loss estimates for the 2017 catastrophe events have exceeded the single event retentions under the terms of the agreements that would result in a recovery.  In addition, the aggregation of the to date published insured loss estimates for the 2017 covered events have not exceeded the aggregated retentions for recovery.  However, if the published estimates for insured losses for the covered 2017 events increase or if there are additional covered events during the remainder of 2017, the aggregate losses may exceed the aggregate event retentions under the agreements, resulting in a recovery.

Kilimanjaro has financed the various property catastrophe reinsurance coverages by issuing catastrophe bonds to unrelated, external investors.  On April 24, 2014, Kilimanjaro issued $450,000 thousand of notes ("Series 2014-1 Notes").  On November 18, 2014, Kilimanjaro issued $500,000 thousand of notes ("Series 2014-2 Notes").  On December 1, 2015, Kilimanjaro issued $625,000 thousand of notes ("Series 2015-1 Notes).  On April 13, 2017, Kilimanjaro issued $950,000 thousand of notes ("Series 2017-1 Notes) and $300,000 thousand of notes ("Series 2017-2 Notes). The proceeds from the issuance of the Notes listed above are held in reinsurance trust throughout the duration of the applicable reinsurance agreements and invested solely in US government money market funds with a rating of at least "AAAm" by Standard & Poor's.

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Senior Notes

9 Months Ended

Sep. 30, 2017

Senior Notes [Abstract]

Senior Notes

12.  SENIOR NOTES

The table below displays Holdings' outstanding senior notes.  Market value is based on quoted market prices, but due to limited trading activity, these senior notes are considered Level 2 in the fair value hierarchy.

September 30, 2017

December 31, 2016

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Date Due

Principal Amounts

Sheet Amount

Market Value

Sheet Amount

Market Value

4.868% Senior notes

06/05/2014

06/01/2044

400,000

$

396,804

$

420,008

$

396,714

$

383,612

On June 5, 2014, Holdings issued $400,000 thousand of 30 year senior notes at 4.868%, which will mature on June 1, 2044.  Interest will be paid semi-annually on June 1 and December 1 of each year.

Interest expense incurred in connection with these senior notes is as follows for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Interest expense incurred	$	4,868	$	4,868	$	14,604	$	14,604

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Long Term Subordinated Notes

9 Months Ended

Sep. 30, 2017

Long Term Subordinated Notes [Abstract]

Long Term Subordinated Notes

13.  LONG TERM SUBORDINATED NOTES

The table below displays Holdings' outstanding fixed to floating rate long term subordinated notes.  Market value is based on quoted market prices, but due to limited trading activity, these subordinated notes are considered Level 2 in the fair value hierarchy.

Maturity Date

September 30, 2017

December 31, 2016

Original

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Principal Amount

Scheduled

Final

Sheet Amount

Market Value

Sheet Amount

Market Value

6.6% Long term subordinated notes

04/26/2007

$

400,000

05/15/2037

05/01/2067

$

236,536

$

221,380

$

236,462

$

204,636

During the fixed rate interest period from May 3, 2007 through May 14, 2017, interest was at the annual rate of 6.6%, payable semi-annually in arrears on November 15 and May 15 of each year, commencing on November 15, 2007.  During the floating rate interest period from May 15, 2017 through maturity, interest will be based on the 3 month LIBOR plus 238.5 basis points, reset quarterly, payable quarterly in arrears on February 15, May 15, August 15 and November 15 of each year, subject to Holdings' right to defer interest on one or more occasions for up to ten consecutive years.  Deferred interest will accumulate interest at the applicable rate compounded quarterly for periods from and including May 15, 2017.  The reset quarterly interest rate for August 15, 2017 to November 15, 2017 is 3.70%.

Holdings may redeem the long term subordinated notes on or after May 15, 2017, in whole or in part at 100% of the principal amount plus accrued and unpaid interest; however, redemption on or after the scheduled maturity date and prior to May 1, 2047 is subject to a replacement capital covenant.  This covenant is for the benefit of certain senior note holders and it mandates that Holdings receive proceeds from the sale of another subordinated debt issue, of at least similar size, before it may redeem the subordinated notes.  Effective upon the maturity of the Company's 5.40% senior notes on October 15, 2014, the Company's 4.868% senior notes, due on June 1, 2044, have become the Company's long term indebtedness that ranks senior to the long term subordinated notes.

On March 19, 2009, Group announced the commencement of a cash tender offer for any and all of the 6.60% fixed to floating rate long term subordinated notes.  Upon expiration of the tender offer, the Company had reduced its outstanding debt by $161,441 thousand.

Interest expense incurred in connection with these long term subordinated notes is as follows for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Interest expense incurred	$	2,240	$	3,937	$	9,210	$	11,811

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Segment Reporting

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Segment Reporting

14.   SEGMENT REPORTING

The U.S. Reinsurance operation writes property and casualty reinsurance and specialty lines of business, including Marine, Aviation, Surety and Accident and Health ("A&H") business, on both a treaty and facultative basis, through reinsurance brokers, as well as directly with ceding companies primarily within the U.S.  The International operation writes non-U.S. property and casualty reinsurance through Everest Re's branches in Canada and Singapore and through offices in Brazil, Miami and New Jersey. The Bermuda operation provides reinsurance and insurance to worldwide property and casualty markets through brokers and directly with ceding companies from its Bermuda office and reinsurance to the United Kingdom and European markets through its UK branch and Ireland Re.  The Insurance operation writes property and casualty insurance directly and through brokers, surplus lines brokers and general agents within the U.S. and Canada.

These segments are managed independently, but conform with corporate guidelines with respect to pricing, risk management, control of aggregate catastrophe exposures, capital, investments and support operations.  Management generally monitors and evaluates the financial performance of these operating segments based upon their underwriting results.

Underwriting results include earned premium less losses and loss adjustment expenses ("LAE") incurred, commission and brokerage expenses and other underwriting expenses.  We measure our underwriting results using ratios, in particular loss, commission and brokerage and other underwriting expense ratios, which, respectively, divide incurred losses, commissions and brokerage and other underwriting expenses by premiums earned.

For inter-affiliate reinsurance and business written through the Lloyd's Syndicate, business is generally reported within the segment in which the business was first produced, consistent with how the business is managed.

The Company does not maintain separate balance sheet data for its operating segments.  Accordingly, the Company does not review and evaluate the financial results of its operating segments based upon balance sheet data.

The following tables present the underwriting results for the operating segments for the periods indicated:

	Three Months Ended					Nine Months Ended
U.S. Reinsurance	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	908,256		$	654,770	$	1,962,207		$	1,597,005
Net written premiums		809,298			678,848		1,711,934			1,491,155
Premiums earned	$	649,772		$	519,160	$	1,609,790		$	1,478,974
Incurred losses and LAE		925,436			276,272		1,455,123			732,306
Commission and brokerage		113,449			116,667		328,230			354,608
Other underwriting expenses		12,095			14,265		40,624			39,856
Underwriting gain (loss)	$	(401,208	)	$	111,956	$	(214,187	)	$	352,204

	Three Months Ended					Nine Months Ended
International	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	344,805		$	348,812	$	931,008		$	925,028
Net written premiums		330,761			316,207		848,792			799,908
Premiums earned	$	305,951		$	282,442	$	841,348		$	823,493
Incurred losses and LAE		563,082			122,181		895,071			531,580
Commission and brokerage		68,441			78,384		199,438			209,348
Other underwriting expenses		8,307			11,030		27,601			26,822
Underwriting gain (loss)	$	(333,879	)	$	70,847	$	(280,762	)	$	55,743

	Three Months Ended					Nine Months Ended
Bermuda	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	311,781		$	245,995	$	870,473		$	612,657
Net written premiums		287,591			229,373		810,437			562,128
Premiums earned	$	267,488		$	215,761	$	766,051		$	610,466
Incurred losses and LAE		301,315			127,236		595,052			348,586
Commission and brokerage		83,861			59,605		205,770			169,413
Other underwriting expenses		9,049			8,785		27,551			26,290
Underwriting gain (loss)	$	(126,737	)	$	20,135	$	(62,322	)	$	66,177

	Three Months Ended						Nine Months Ended
Insurance	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Gross written premiums	$	480,060		$	533,039		$	1,483,807		$	1,364,465
Net written premiums		370,439			340,216			1,179,873			1,047,863
Premiums earned	$	375,664		$	354,111		$	1,063,464		$	966,268
Incurred losses and LAE		420,249			260,479			896,899			732,261
Commission and brokerage		67,362			54,889			181,900			146,684
Other underwriting expenses		43,694			44,483			132,125			129,782
Underwriting gain (loss)	$	(155,641	)	$	(5,740	)	$	(147,460	)	$	(42,459	)

The following table reconciles the underwriting results for the operating segments to income before taxes as reported in the consolidated statements of operations and comprehensive income (loss) for the periods indicated:

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Underwriting gain (loss)	$	(1,017,465	)	$	197,198		$	(704,731	)	$	431,665
Net investment income		136,973			122,657			393,770			357,918
Net realized capital gains (losses)		41,535			380			119,531			(41,221	)
Net derivative gain (loss)		2,656			6,510			6,052			5,486
Corporate expenses		(5,932	)		(6,400	)		(21,308	)		(21,403	)
Interest, fee and bond issue cost amortization expense		(7,266	)		(8,893	)		(24,289	)		(27,194	)
Other income (expense)		(54,568	)		9,435			(59,146	)		(20,998	)
Income (loss) before taxes	$	(904,067	)	$	320,887		$	(290,121	)	$	684,253

The Company produces business in the U.S., Bermuda and internationally.  The net income deriving from and assets residing in the individual foreign countries in which the Company writes business are not identifiable in the Company's financial records.  Based on gross written premium, the table below presents the largest country, other than the U.S., in which the Company writes business, for the periods indicated:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
United Kingdom gross written premium	$	204,774	$	182,786	$	580,559	$	511,994

No other country represented more than 5% of the Company's revenues.

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Share-Based Compensation Plans

9 Months Ended

Sep. 30, 2017

Share-Based Compensation Plans [Abstract]

Share-Based Compensation Plans

15.  SHARE-BASED COMPENSATION PLANS

For the three months ended September 30, 2017, share-based compensation awards granted were 3,855 restricted shares, granted on September 6, 2017, with a fair value of $230.52 per share.

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Retirement Benefits

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Retirement Benefits

16.  RETIREMENT BENEFITS

The Company maintains both qualified and non-qualified defined benefit pension plans and a retiree health plan for its U.S. employees employed prior to April 1, 2010.

Net periodic benefit cost for U.S. employees included the following components for the periods indicated:

Pension Benefits	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Service cost	$	2,737		$	2,731		$	9,335		$	8,524
Interest cost		2,509			2,371			7,060			7,093
Expected return on plan assets		(3,263	)		(2,789	)		(9,572	)		(7,757	)
Amortization of prior service cost		-			-			-			-
Amortization of net (income) loss		2,091			1,984			8,172			6,012
Net periodic benefit cost	$	4,074		$	4,297		$	14,995		$	13,872

Other Benefits	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Service cost	$	392		$	354		$	1,273		$	1,230
Interest cost		296			252			793			844
Amortization of prior service cost		(33	)		(33	)		(98	)		(33	)
Amortization of net (income) loss		48			-			199			96
Net periodic benefit cost	$	703		$	573		$	2,167		$	2,137
(Some amounts may not reconcile due to rounding.)

The Company contributed $10,000 thousand to the qualified pension benefit plan for the three and nine months ended September 30, 2017.  The Company contributed $30,000 thousand to the qualified pension benefit plan for the three and nine months ended September 30, 2016.

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Income Taxes

9 Months Ended

Sep. 30, 2017

Income Taxes [Abstract]

Income Taxes

17.  INCOME TAXES

The Company is domiciled in Bermuda and has significant subsidiaries and/or branches in Canada, Ireland, Singapore, the United Kingdom, and the United States.  The Company's Bermuda domiciled subsidiaries are exempt from income taxation under Bermuda law until 2035. The Company's non-Bermudian subsidiaries and branches are subject to income taxation at varying rates in their respective domiciles.

The Company generally applies the estimated annual effective tax rate approach for calculating its tax provision for interim periods as prescribed by ASC 740-270, Interim Reporting.  Under the estimated annual effective tax rate approach, the estimated annual effective tax rate is applied to the interim year-to-date pre-tax income/loss to determine the income tax expense or benefit for the year-to-date period.  If the annual effective tax rate approach produces a year-to-date tax benefit which exceeds the amount which is estimated to be recoverable for the full year, then the tax benefit for the interim reporting period will be limited as prescribed under ASC 740-270 to the estimated recoverable based on the year-to-date result.  The tax expense or benefit for the quarter represents the difference between the year-to-date tax expense or benefit for the current year-to-date period less such amount for the immediately preceding year-to-date period. Management considers the impact of all known events in its estimation of the Company's annual pre-tax income/loss and effective tax rate.

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Dispositions

9 Months Ended

Sep. 30, 2017

Dispositions [Abstract]

Dispositions

18.  DISPOSITION

On August 24, 2016, the Company sold Heartland, its crop Managing General Agent to CGB for $49,000 thousand.  The sale agreement includes a provision for a long term strategic reinsurance relationship with CGB.  The Company has recognized an after-tax loss on the sale of Heartland of $12,942 thousand.  Under the terms of the reinsurance arrangement, there has not been a material fluctuation in the level of crop business, although it has been reflected as reinsurance rather than insurance.

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Subsequent Events

9 Months Ended

Sep. 30, 2017

Subsequent Events [Abstract]

Subsequent Events

19.  SUBSEQUENT EVENTS

The Company has evaluated known recognized and non-recognized subsequent events.  In October 2017, Hurricane Nate impacted the Southern United States and Central America and Hurricane Ophelia impacted Ireland, the United Kingdom and Northern Europe.  Also, in October 2017, a number of wildfires affected California.  Due to the recentness of these events, the Company is unable to estimate the amount of losses related to Hurricane Nate, Hurricane Ophelia or the California wildfires at this time.  However, the Company anticipates that these events will adversely impact the fourth quarter 2017 financial results.

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Basis Of Presentation (Tables)

9 Months Ended

Sep. 30, 2017

Basis Of Presentation[Abstract]

Schedule of Effect of Newly Adopted Accounting Policies, Cash Flow

Consolidated Statements of Cash Flows:	Nine Months Ended September 30, 2016
				Effect of
				adoption of
	As previously			new accounting
	reported			policy			As adopted
(Dollars in thousands)
CASH FLOWS FROM OPERATING ACTIVITIES:
Change in other assets and liabilities, net	$	(164,782	)	$	10,017		$	(154,765	)
Net cash provided by (used in) operating activities		950,731			10,017			960,748
CASH FLOWS FROM FINANCING ACTIVITIES:
Cost of shares withheld for taxes on settlements of
share-based compensation awards		-			(10,017	)		(10,017	)
Net cash provided by (used in) financing activities		(518,210	)		(10,017	)		(528,227	)

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Investments (Tables)

9 Months Ended

Sep. 30, 2017

Investments [Abstract]

Summary Of Unrealized Appreciation (Depreciation) Of Available For Sale, Fixed Maturity And Equity Security Investments

At September 30, 2017
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,141,002	$	12,475	$	(6,608	)	$	1,146,869	$	-
Obligations of U.S. states and political subdivisions		652,525		24,061		(4,744	)		671,842		-
Corporate securities		5,599,904		108,072		(31,814	)		5,676,162		2,902
Asset-backed securities		555,451		1,390		(444	)		556,397		-
Mortgage-backed securities
Commercial		253,154		1,462		(1,825	)		252,791		-
Agency residential		2,390,238		13,680		(23,589	)		2,380,329		-
Non-agency residential		519		42		(44	)		517		-
Foreign government securities		1,317,697		46,225		(34,489	)		1,329,433		182
Foreign corporate securities		2,716,264		89,202		(41,631	)		2,763,835		961
Total fixed maturity securities	$	14,626,754	$	296,609	$	(145,188	)	$	14,778,175	$	4,045
Equity securities	$	128,116	$	2,542	$	(3,233	)	$	127,425	$	-

	At December 31, 2016
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,115,208	$	20,410	$	(5,303	)	$	1,130,315	$	-
Obligations of U.S. states and political subdivisions		723,938		18,016		(11,970	)		729,984		-
Corporate securities		5,059,388		131,651		(35,758	)		5,155,281		7,936
Asset-backed securities		488,824		1,110		(1,286	)		488,648		-
Mortgage-backed securities
Commercial		308,827		1,983		(3,878	)		306,932		-
Agency residential		2,415,901		17,478		(27,910	)		2,405,469		-
Non-agency residential		642		44		(45	)		641		-
Foreign government securities		1,254,175		61,226		(57,241	)		1,258,160		115
Foreign corporate securities		2,565,710		130,714		(64,446	)		2,631,978		1,184
Total fixed maturity securities	$	13,932,613	$	382,632	$	(207,837	)	$	14,107,408	$	9,235
Equity securities	$	129,553	$	2,298	$	(12,784	)	$	119,067	$	-

^(a)  Represents the amount of OTTI recognized in AOCI.  Amount includes unrealized gains and losses on impaired securities relating to changes in the value of such securities subsequent to the impairment measurement date.

Summary Of Amortized Cost And Market Value Of Fixed Maturity Securities, By Contractual Maturity

	At September 30, 2017				At December 31, 2016
	Amortized		Market		Amortized		Market
(Dollars in thousands)	Cost		Value		Cost		Value
Fixed maturity securities – available for sale:
Due in one year or less	$	1,091,257	$	1,095,288	$	956,945	$	966,970
Due after one year through five years		7,267,248		7,334,494		6,769,585		6,870,056
Due after five years through ten years		2,096,762		2,124,265		2,020,215		2,052,733
Due after ten years		972,125		1,034,094		971,674		1,015,959
Asset-backed securities		555,451		556,397		488,824		488,648
Mortgage-backed securities:
Commercial		253,154		252,791		308,827		306,932
Agency residential		2,390,238		2,380,329		2,415,901		2,405,469
Non-agency residential		519		517		642		641
Total fixed maturity securities	$	14,626,754	$	14,778,175	$	13,932,613	$	14,107,408

Summary Of Changes In Net Unrealized Appreciation (Depreciation) For The Company's Investments

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Increase (decrease) during the period between the market value and cost
of investments carried at market value, and deferred taxes thereon:
Fixed maturity securities	$	(13,993	)	$	(13,544	)	$	(18,184	)	$	324,147
Fixed maturity securities, other-than-temporary impairment		306			(1,836	)		(5,189	)		7,088
Equity securities		2,603			2,527			9,795			9,898
Other invested assets		1,595			-			2,860			-
Change in unrealized appreciation (depreciation), pre-tax		(9,489	)		(12,853	)		(10,718	)		341,133
Deferred tax benefit (expense)		(1,774	)		(256	)		11,343			(53,666	)
Deferred tax benefit (expense), other-than-temporary impairment		55			855			1,391			(1,470	)
Change in unrealized appreciation (depreciation),
net of deferred taxes, included in shareholders' equity	$	(11,208	)	$	(12,254	)	$	2,016		$	285,997

Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Security Type

Duration of Unrealized Loss at September 30, 2017 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	376,128	$	(4,865	)	$	53,039	$	(1,743	)	$	429,167	$	(6,608	)
Obligations of U.S. states and political subdivisions		89,509		(2,104	)		67,956		(2,640	)		157,465		(4,744	)
Corporate securities		1,214,762		(20,914	)		283,985		(10,900	)		1,498,747		(31,814	)
Asset-backed securities		189,752		(369	)		6,262		(75	)		196,014		(444	)
Mortgage-backed securities
Commercial		63,101		(540	)		40,432		(1,285	)		103,533		(1,825	)
Agency residential		1,345,113		(13,416	)		450,890		(10,173	)		1,796,003		(23,589	)
Non-agency residential		-		-			77		(44	)		77		(44	)
Foreign government securities		385,494		(14,007	)		258,478		(20,482	)		643,972		(34,489	)
Foreign corporate securities		660,017		(17,136	)		312,821		(24,495	)		972,838		(41,631	)
Total fixed maturity securities	$	4,323,876	$	(73,351	)	$	1,473,940	$	(71,837	)	$	5,797,816	$	(145,188	)
Equity securities		-		-			112,015		(3,233	)		112,015		(3,233	)
Total	$	4,323,876	$	(73,351	)	$	1,585,955	$	(75,070	)	$	5,909,831	$	(148,421	)

Duration of Unrealized Loss at December 31, 2016 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	638,740	$	(5,303	)	$	-	$	-		$	638,740	$	(5,303	)
Obligations of U.S. states and political subdivisions		221,088		(11,486	)		564		(484	)		221,652		(11,970	)
Corporate securities		1,360,743		(24,023	)		177,153		(11,735	)		1,537,896		(35,758	)
Asset-backed securities		150,023		(565	)		18,786		(721	)		168,809		(1,286	)
Mortgage-backed securities
Commercial		143,554		(3,223	)		7,184		(655	)		150,738		(3,878	)
Agency residential		1,618,372		(22,461	)		189,665		(5,449	)		1,808,037		(27,910	)
Non-agency residential		-		-			113		(45	)		113		(45	)
Foreign government securities		360,289		(12,041	)		236,820		(45,200	)		597,109		(57,241	)
Foreign corporate securities		687,599		(12,769	)		295,500		(51,677	)		983,099		(64,446	)
Total fixed maturity securities	$	5,180,408	$	(91,871	)	$	925,785	$	(115,966	)	$	6,106,193	$	(207,837	)
Equity securities		-		-			105,507		(12,784	)		105,507		(12,784	)
Total	$	5,180,408	$	(91,871	)	$	1,031,292	$	(128,750	)	$	6,211,700	$	(220,621	)

Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Contractual Maturity

Duration of Unrealized Loss at September 30, 2017 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	270,695	$	(848	)	$	123,092	$	(13,069	)	$	393,787	$	(13,917	)
Due in one year through five years		1,680,251		(31,686	)		644,557		(37,591	)		2,324,808		(69,277	)
Due in five years through ten years		639,836		(22,619	)		136,548		(6,469	)		776,384		(29,088	)
Due after ten years		135,128		(3,873	)		72,082		(3,131	)		207,210		(7,004	)
Asset-backed securities		189,752		(369	)		6,262		(75	)		196,014		(444	)
Mortgage-backed securities		1,408,214		(13,956	)		491,399		(11,502	)		1,899,613		(25,458	)
Total fixed maturity securities	$	4,323,876	$	(73,351	)	$	1,473,940	$	(71,837	)	$	5,797,816	$	(145,188	)

Duration of Unrealized Loss at December 31, 2016 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	178,281	$	(1,122	)	$	78,153	$	(14,318	)	$	256,434	$	(15,440	)
Due in one year through five years		2,123,113		(26,263	)		538,130		(84,803	)		2,661,243		(111,066	)
Due in five years through ten years		680,334		(22,555	)		86,631		(8,754	)		766,965		(31,309	)
Due after ten years		286,731		(15,682	)		7,123		(1,221	)		293,854		(16,903	)
Asset-backed securities		150,023		(565	)		18,786		(721	)		168,809		(1,286	)
Mortgage-backed securities		1,761,926		(25,684	)		196,962		(6,149	)		1,958,888		(31,833	)
Total fixed maturity securities	$	5,180,408	$	(91,871	)	$	925,785	$	(115,966	)	$	6,106,193	$	(207,837	)

Summary Of Components Of Net Investment Income

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Fixed maturities	$	107,969		$	100,752		$	319,336		$	306,128
Equity securities		8,590			9,905			25,701			31,967
Short-term investments and cash		974			475			2,439			1,220
Other invested assets
Limited partnerships		23,315			17,077			54,373			33,922
Other		2,095			1,033			6,652			1,334
Gross investment income before adjustments		142,943			129,242			408,501			374,571
Funds held interest income (expense)		2,284			1,538			7,156			5,818
Future policy benefit reserve income (expense)		(280	)		(517	)		(1,015	)		(1,243	)
Gross investment income		144,947			130,263			414,642			379,146
Investment expenses		(7,974	)		(7,606	)		(20,872	)		(21,228	)
Net investment income	$	136,973		$	122,657		$	393,770		$	357,918

Summary Of Components Of Net Realized Capital Gains (Losses)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Fixed maturity securities, market value:
Other-than-temporary impairments	$	(1,485	)	$	(867	)	$	(5,188	)	$	(31,130	)
Gains (losses) from sales		7,998			5,912			32,913			(7,670	)
Fixed maturity securities, fair value:
Gains (losses) from sales		-			(1	)		-			(1,855	)
Gains (losses) from fair value adjustments		-			42			-			1,381
Equity securities, market value:
Gains (losses) from sales		-			-			(3,436	)		65
Equity securities, fair value:
Gains (losses) from sales		(1,525	)		5,850			3,796			(10,266	)
Gains (losses) from fair value adjustments		36,463			17,475			91,367			36,284
Sale of subsidiary		-			(28,032	)		-			(28,032	)
Other invested assets		85			-			84			-
Short-term investments gain (loss)		(1	)		1			(5	)		2
Total net realized capital gains (losses)	$	41,535		$	380		$	119,531		$	(41,221	)

Summary Of Gross Gains (Losses) From Sales Of Fixed Maturity And Equity Securities

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Proceeds from sales of fixed maturity securities	$	700,728		$	293,998		$	1,691,937		$	890,349
Gross gains from sales		13,743			15,028			46,321			32,674
Gross losses from sales		(5,745	)		(9,117	)		(13,408	)		(42,199	)
Proceeds from sales of equity securities	$	57,861		$	112,451		$	334,889		$	542,715
Gross gains from sales		2,258			7,308			14,351			14,040
Gross losses from sales		(3,783	)		(1,458	)		(13,991	)		(24,241	)

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Reserve For Losses, LAE And Future Policy Benefit Reserve (Tables)

9 Months Ended

Sep. 30, 2017

Reserve For Losses LAE And Future Policy Benefit Reserve [Abstract]

Summary Of Activity In The Reserve For Losses And LAE

	Nine Months Ended			Twelve Months Ended
	September 30,			December 31,
(Dollars in thousands)	2017			2016
Gross reserves at beginning of period	$	10,312,313		$	9,951,798
Less reinsurance recoverables		(990,862	)		(881,503	)
Net reserves at beginning of period		9,321,451			9,070,295
Incurred related to:
Current year		3,843,434			3,434,964
Prior years		(1,289	)		(295,335	)
Total incurred losses and LAE		3,842,145			3,139,629
Paid related to:
Current year		948,897			745,642
Prior years		1,265,713			2,042,972
Total paid losses and LAE		2,214,610			2,788,614
Foreign exchange/translation adjustment		208,246			(99,859	)
Net reserves at end of period		11,157,232			9,321,451
Plus reinsurance recoverables		1,298,125			990,862
Gross reserves at end of period	$	12,455,357		$	10,312,313

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Derivatives (Tables)

9 Months Ended

Sep. 30, 2017

Derivatives [Abstract]

Summary Of The Fair Value Of The Equity Index Put Options

(Dollars in thousands)
Derivatives not designated as	Location of fair value	At		At
hedging instruments	in balance sheets	September 30, 2017		December 31, 2016
Equity index put option contracts	Equity index put option liability	$	16,006	$	22,059
Total		$	16,006	$	22,059

The change in fair value of the equity index put option contracts can be found in the Company's statement of operations and comprehensive income (loss) as follows:

(Dollars in thousands)		For the Three Months Ended				For the Nine Months Ended
Derivatives not designated as	Location of gain (loss) in statements of	September 30,				September 30,
hedging instruments	operations and comprehensive income (loss)	2017		2016		2017		2016
Equity index put option contracts	Net derivative gain (loss)	$	2,656	$	6,510	$	6,052	$	5,486
Total		$	2,656	$	6,510	$	6,052	$	5,486

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Fair Value (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value [Abstract]

Fair Value Measurement Levels For All Assets And Liabilities

Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	September 30, 2017		(Level 1)		(Level 2)		(Level 3)
Assets:
Fixed maturities, market value
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,146,869	$	-	$	1,146,869	$	-
Obligations of U.S. States and political subdivisions		671,842		-		671,842		-
Corporate securities		5,676,162		-		5,522,128		154,034
Asset-backed securities		556,397		-		556,397		-
Mortgage-backed securities
Commercial		252,791		-		252,791		-
Agency residential		2,380,329		-		2,380,329		-
Non-agency residential		517		-		517		-
Foreign government securities		1,329,433		-		1,329,433		-
Foreign corporate securities		2,763,835		-		2,759,917		3,918
Total fixed maturities, market value		14,778,175		-		14,620,223		157,952
Equity securities, market value		127,425		112,015		15,410		-
Equity securities, fair value		1,141,146		1,094,754		46,392		-
Liabilities:
Equity index put option contracts	$	16,006	$	-	$	-	$	16,006

			Fair Value Measurement Using:
			Quoted Prices
			in Active		Significant
			Markets for		Other		Significant
			Identical		Observable		Unobservable
			Assets		Inputs		Inputs
(Dollars in thousands)	December 31, 2016		(Level 1)		(Level 2)		(Level 3)
Assets:
Fixed maturities, market value
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	1,130,315	$	-	$	1,130,315	$	-
Obligations of U.S. States and political subdivisions		729,984		-		729,984		-
Corporate securities		5,155,281		-		5,090,084		65,197
Asset-backed securities		488,648		-		488,648		-
Mortgage-backed securities
Commercial		306,932		-		306,932		-
Agency residential		2,405,469		-		2,405,469		-
Non-agency residential		641		-		641		-
Foreign government securities		1,258,160		-		1,258,160		-
Foreign corporate securities		2,631,978		-		2,629,440		2,538
Total fixed maturities, market value		14,107,408		-		14,039,673		67,735
Equity securities, market value		119,067		105,507		13,560		-
Equity securities, fair value		1,010,085		949,523		60,562		-
Liabilities:
Equity index put option contracts	$	22,059	$	-	$	-	$	22,059

Activity Under Level 3, Fair Value Measurements Using Significant Unobservable Inputs By Asset Type

Three Months Ended September 30, 2017								Nine Months Ended September 30, 2017
	Corporate		Foreign						Corporate		Foreign
(Dollars in thousands)	Securities		Corporate			Total			Securities		Corporate			Total
Beginning balance	$	138,105	$	3,151		$	141,256		$	65,197	$	2,538		$	67,735
Total gains or (losses) (realized/unrealized)
Included in earnings		283		209			492			1,208		313			1,521
Included in other comprehensive income (loss)		18		(184	)		(166	)		161		(184	)		(23	)
Purchases, issuances and settlements		15,628		742			16,370			87,468		1,251			88,719
Transfers in and/or (out) of Level 3		-		-			-			-		-			-
Ending balance	$	154,034	$	3,918		$	157,952		$	154,034	$	3,918		$	157,952
The amount of total gains or losses for the period
included in earnings (or changes in net assets)
attributable to the change in unrealized gains
or losses relating to assets still held
at the reporting date	$	-	$	-		$	-		$	-	$	-		$	-
(Some amounts may not reconcile due to rounding.)

	Three Months Ended September 30, 2016												Nine Months Ended September 30, 2016
	Corporate						Foreign						Corporate						Foreign
(Dollars in thousands)	Securities			CMBS			Corporate			Total			Securities			CMBS			Corporate			Total
Beginning balance	$	32,410		$	-		$	2,021		$	34,431		$	3,933		$	-		$	1,593		$	5,526
Total gains or (losses) (realized/unrealized)
Included in earnings		(12	)		-			27			15			(22	)		-			(970	)		(992	)
Included in other comprehensive income (loss)		(48	)		(38	)		(1,285	)		(1,371	)		(81	)		(38	)		140			21
Purchases, issuances and settlements		25,877			(44	)		2,231			28,064			54,397			(44	)		2,231			56,584
Transfers in and/or (out) of Level 3		(1,932	)		3,947			-			2,015			(1,932	)		3,947			-			2,015
Ending balance	$	56,295		$	3,865		$	2,994		$	63,154		$	56,295		$	3,865		$	2,994		$	63,154
The amount of total gains or losses for the period
included in earnings (or changes in net assets)
attributable to the change in unrealized gains
or losses relating to assets still held
at the reporting date	$	-		$	-		$	-		$	-		$	-		$	-		$	(997	)	$	(997	)
(Some amounts may not reconcile due to rounding.)

Fair Value Measurements Using Significant Unobservable Inputs For Equity Index Put Option Contracts

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Liabilities:
Balance, beginning of period	$	18,662		$	41,729		$	22,059		$	40,705
Total (gains) or losses (realized/unrealized)
Included in earnings		(2,656	)		(6,510	)		(6,052	)		(5,486	)
Included in other comprehensive income (loss)		-			-			-			-
Purchases, issuances and settlements		-			-			-			-
Transfers in and/or (out) of Level 3		-			-			-			-
Balance, end of period	$	16,006		$	35,219		$	16,006		$	35,219
The amount of total gains or losses for the period included in earnings
(or changes in net assets) attributable to the change in unrealized
gains or losses relating to liabilities still held at the reporting date	$	-		$	-		$	-		$	-
(Some amounts may not reconcile due to rounding.)

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Earnings Per Common Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Common Share [Abstract]

Schedule Of Net Income (Loss) Per Common Share

		Three Months Ended						Nine Months Ended
		September 30,						September 30,
(Dollars in thousands, except per share amounts)		2017			2016			2017			2016
Net income (loss) per share:
Numerator
Net income (loss)		$	(639,374	)	$	295,394		$	(102,057	)	$	622,772
Less:  dividends declared-common shares and nonvested common shares			(51,302	)		(47,463	)		(153,887	)		(144,299	)
Undistributed earnings			(690,676	)		247,932			(255,944	)		478,472
Percentage allocated to common shareholders (1)			100.0	%		98.9	%		100.0	%		98.9	%
			(690,676	)		245,248			(255,944	)		473,372
Add:  dividends declared-common shareholders			51,302			46,985			153,887			142,839
Numerator for basic and diluted earnings per common share		$	(639,374	)	$	292,233		$	(102,057	)	$	616,211
Denominator
Denominator for basic earnings per weighted-average common shares			40,638			41,101			40,597			41,626
Effect of dilutive securities:
Options			245			284			255			305
Denominator for diluted earnings per adjusted weighted-average common shares			40,883			41,386			40,852			41,931
Per common share net income (loss)
Basic		$	(15.73	)	$	7.11		$	(2.51	)	$	14.80
Diluted		$	(15.73	)	$	7.06		$	(2.51	)	$	14.70
(1)	Basic weighted-average common shares outstanding		40,638			41,101			40,597			41,626
	Basic weighted-average common shares outstanding and nonvested common shares expected to vest		40,638			41,551			40,597			42,074
	Percentage allocated to common shareholders		100.0	%		98.9	%		100.0	%		98.9	%
(Some amounts may not reconcile due to rounding.)

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Commitments And Contingencies (Tables)

9 Months Ended

Sep. 30, 2017

Commitments And Contingencies [Abstract]

Summary Of Estimated Cost To Replace Annuities For Contingent Liability

	At September 30,		At December 31,
(Dollars in thousands)	2017		2016
The Prudential	$	144,331	$	146,507
Unaffiliated life insurance company		33,769		33,860

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Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2017

Other Comprehensive Income (Loss) [Abstract]

Components Of Comprehensive Income (Loss) In The Consolidated Statements Of Operations

Three Months Ended September 30, 2017									Nine Months Ended September 30, 2017
(Dollars in thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax			Tax Effect			Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary	$	(3,197	)	$	(2,835	)	$	(6,032	)	$	18,844		$	3,699		$	22,543
URA(D) on securities - OTTI		306			55			361			(5,189	)		1,391			(3,798	)
Reclassification of net realized losses (gains) included in net income (loss)		(6,598	)		1,061			(5,537	)		(24,373	)		7,644			(16,729	)
Foreign currency translation adjustments		96,022			(18,458	)		77,564			148,395			(23,271	)		125,124
Benefit plan actuarial net gain (loss)		-			-			-			-			-			-
Reclassification of benefit plan liability amortization included in net income (loss)		2,107			(738	)		1,369			8,273			(2,896	)		5,377
Total other comprehensive income (loss)	$	88,640		$	(20,915	)	$	67,725		$	145,950		$	(13,433	)	$	132,517

	Three Months Ended September 30, 2016									Nine Months Ended September 30, 2016
(Dollars in thousands)	Before Tax			Tax Effect			Net of Tax			Before Tax		Tax Effect			Net of Tax
Unrealized appreciation (depreciation) ("URA(D)") on securities - temporary	$	(5,972	)	$	(2,079	)	$	(8,051	)	$	295,311	$	(42,643	)	$	252,668
URA(D) on securities - OTTI		(1,836	)		855			(981	)		7,088		(1,470	)		5,618
Reclassification of net realized losses (gains) included in net income (loss)		(5,045	)		1,823			(3,222	)		38,734		(11,023	)		27,711
Foreign currency translation adjustments		1,393			1,423			2,816			32,601		(14,962	)		17,639
Benefit plan actuarial net gain (loss)		-			-			-			-		-			-
Reclassification of benefit plan liability amortization included in net income (loss)		1,951			(683	)		1,268			6,076		(2,127	)		3,949
Total other comprehensive income (loss)	$	(9,510	)	$	1,340		$	(8,170	)	$	379,809	$	(72,224	)	$	307,585

Reclassification From Accumulated Other Comprehensive Income

	Three Months Ended						Nine Months Ended
	September 30,						September 30,						Affected line item within the statements of
AOCI component	2017			2016			2017			2016			operations and comprehensive income (loss)
(Dollars in thousands)
URA(D) on securities	$	(6,598	)	$	(5,045	)	$	(24,373	)	$	38,734		Other net realized capital gains (losses)
		1,061			1,823			7,644			(11,023	)	Income tax expense (benefit)
	$	(5,537	)	$	(3,222	)	$	(16,729	)	$	27,711		Net income (loss)
Benefit plan net gain (loss)	$	2,107		$	1,951		$	8,273		$	6,076		Other underwriting expenses
		(738	)		(683	)		(2,896	)		(2,127	)	Income tax expense (benefit)
	$	1,369		$	1,268		$	5,377		$	3,949		Net income (loss)

Components Of Accumulated Other Comprehensive Income (Loss), Net Of Tax, In The Consolidated Balance Sheets

	Nine Months Ended			Twelve Months Ended
	September 30,			December 31,
(Dollars in thousands)	2017			2016
Beginning balance of URA (D) on securities	$	115,558		$	42,811
Current period change in URA (D) of investments - temporary		5,814			66,802
Current period change in URA (D) of investments - non-credit OTTI		(3,798	)		5,945
Ending balance of URA (D) on securities		117,574			115,558
Beginning balance of foreign currency translation adjustments		(266,818	)		(211,477	)
Current period change in foreign currency translation adjustments		125,124			(55,341	)
Ending balance of foreign currency translation adjustments		(141,694	)		(266,818	)
Beginning balance of benefit plan net gain (loss)		(65,504	)		(63,089	)
Current period change in benefit plan net gain (loss)		5,377			(2,415	)
Ending balance of benefit plan net gain (loss)		(60,127	)		(65,504	)
Ending balance of accumulated other comprehensive income (loss)	$	(84,247	)	$	(216,764	)

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Credit Facilities (Tables)

9 Months Ended

Sep. 30, 2017

Line of Credit Facility [Line Items]

Summary Of Costs Incurred Connection With Credit Facilities

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Credit facility interest and fees incurred	$	105	$	35	$	315	$	618

Wells Fargo Bank Group Credit Facility [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And/Or Borrowings

(Dollars in thousands)		At September 30, 2017					At December 31, 2016
Bank		Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Wells Fargo Bank Group Credit Facility	Tranche One	$	200,000	$	-		$	200,000	$	-
	Tranche Two		600,000		507,916	12/31/2017		600,000		478,233	12/31/2017
Total Wells Fargo Bank Group Credit Facility		$	800,000	$	507,916		$	800,000	$	478,233

Citibank Bilateral Agreement [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And/Or Borrowings

(Dollars in thousands)	At September 30, 2017					At December 31, 2016
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Citibank Bilateral Letter of Credit Agreement	$	200,000	$	3,672	11/24/2017	$	200,000	$	4,058	2/28/2017
				68,353	12/31/2017				3,672	11/24/2017
				3,297	2/28/2018				69,404	12/31/2017
				353	8/30/2018				269	8/30/2018
				4,019	12/31/2018				1,163	12/31/2018
				105,485	9/30/2021				93,180	12/30/2020
Total Citibank Bilateral Agreement	$	200,000	$	185,179		$	200,000	$	171,746

Lloyds Bank plc Credit Facility [Member]

Line of Credit Facility [Line Items]

Summary Of Outstanding Letters Of Credit And/Or Borrowings

(Dollars in thousands)	At September 30, 2017					At December 31, 2016
Bank	Commitment		In Use		Date of Expiry	Commitment		In Use		Date of Expiry
Lloyds Bank plc	£	145,000	£	140,964	12/31/2020	£	140,000	£	130,606	12/31/2019
		-		-			-		-
Total Lloyds Bank plc Credit Facility	£	145,000	£	140,964		£	140,000	£	130,606

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Collateralized Reinsurance And Trust Agreements (Tables)

9 Months Ended

Sep. 30, 2017

Collateralized Reinsurance And Trust Agreements [Abstract]

Premiums And Losses Ceded By The Company To Affiliate

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
Mt. Logan Re Segregated Accounts	2017	2016	2017	2016
(Dollars in thousands)
Ceded written premiums	64,003	65,093	160,949	157,939
Ceded earned premiums	55,708	53,007	154,191	143,856
Ceded losses and LAE	197,395	8,725	241,792	38,459
Assumed written premiums	2,587	5,032	9,082	11,666
Assumed earned premiums	2,587	5,032	9,082	11,666
Assumed losses and LAE	-	-	-	-

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Senior Notes (Tables)

9 Months Ended

Sep. 30, 2017

Senior Notes [Abstract]

Schedule Of Outstanding Senior Notes

September 30, 2017

December 31, 2016

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Date Due

Principal Amounts

Sheet Amount

Market Value

Sheet Amount

Market Value

4.868% Senior notes

06/05/2014

06/01/2044

400,000

$

396,804

$

420,008

$

396,714

$

383,612

Schedule Of Interest Expense Incurred In Connection With Senior Notes

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Interest expense incurred	$	4,868	$	4,868	$	14,604	$	14,604

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Long Term Subordinated Notes (Tables)

9 Months Ended

Sep. 30, 2017

Long Term Subordinated Notes [Abstract]

Schedule Of Outstanding Fixed To Floating Rate Long Term Subordinated Notes

Maturity Date

September 30, 2017

December 31, 2016

Original

Consolidated Balance

Consolidated Balance

(Dollars in thousands)

Date Issued

Principal Amount

Scheduled

Final

Sheet Amount

Market Value

Sheet Amount

Market Value

6.6% Long term subordinated notes

04/26/2007

$

400,000

05/15/2037

05/01/2067

$

236,536

$

221,380

$

236,462

$

204,636

Schedule Of Interest Expense Incurred In Connection With Long Term Subordinated Notes

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
Interest expense incurred	$	2,240	$	3,937	$	9,210	$	11,811

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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Schedule Of Underwriting Results For Operating Segments

Three Months Ended						Nine Months Ended
U.S. Reinsurance	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Gross written premiums	$	908,256		$	654,770		$	1,962,207		$	1,597,005
Net written premiums		809,298			678,848			1,711,934			1,491,155
Premiums earned	$	649,772		$	519,160		$	1,609,790		$	1,478,974
Incurred losses and LAE		925,436			276,272			1,455,123			732,306
Commission and brokerage		113,449			116,667			328,230			354,608
Other underwriting expenses		12,095			14,265			40,624			39,856
Underwriting gain (loss)	$	(401,208	)	$	111,956		$	(214,187	)	$	352,204

	Three Months Ended					Nine Months Ended
International	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	344,805		$	348,812	$	931,008		$	925,028
Net written premiums		330,761			316,207		848,792			799,908
Premiums earned	$	305,951		$	282,442	$	841,348		$	823,493
Incurred losses and LAE		563,082			122,181		895,071			531,580
Commission and brokerage		68,441			78,384		199,438			209,348
Other underwriting expenses		8,307			11,030		27,601			26,822
Underwriting gain (loss)	$	(333,879	)	$	70,847	$	(280,762	)	$	55,743

	Three Months Ended					Nine Months Ended
Bermuda	September 30,					September 30,
(Dollars in thousands)	2017			2016		2017			2016
Gross written premiums	$	311,781		$	245,995	$	870,473		$	612,657
Net written premiums		287,591			229,373		810,437			562,128
Premiums earned	$	267,488		$	215,761	$	766,051		$	610,466
Incurred losses and LAE		301,315			127,236		595,052			348,586
Commission and brokerage		83,861			59,605		205,770			169,413
Other underwriting expenses		9,049			8,785		27,551			26,290
Underwriting gain (loss)	$	(126,737	)	$	20,135	$	(62,322	)	$	66,177

	Three Months Ended						Nine Months Ended
Insurance	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Gross written premiums	$	480,060		$	533,039		$	1,483,807		$	1,364,465
Net written premiums		370,439			340,216			1,179,873			1,047,863
Premiums earned	$	375,664		$	354,111		$	1,063,464		$	966,268
Incurred losses and LAE		420,249			260,479			896,899			732,261
Commission and brokerage		67,362			54,889			181,900			146,684
Other underwriting expenses		43,694			44,483			132,125			129,782
Underwriting gain (loss)	$	(155,641	)	$	(5,740	)	$	(147,460	)	$	(42,459	)

Schedule Of Underwriting Results For Operating Segments To Income (Loss) Before Taxes

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Underwriting gain (loss)	$	(1,017,465	)	$	197,198		$	(704,731	)	$	431,665
Net investment income		136,973			122,657			393,770			357,918
Net realized capital gains (losses)		41,535			380			119,531			(41,221	)
Net derivative gain (loss)		2,656			6,510			6,052			5,486
Corporate expenses		(5,932	)		(6,400	)		(21,308	)		(21,403	)
Interest, fee and bond issue cost amortization expense		(7,266	)		(8,893	)		(24,289	)		(27,194	)
Other income (expense)		(54,568	)		9,435			(59,146	)		(20,998	)
Income (loss) before taxes	$	(904,067	)	$	320,887		$	(290,121	)	$	684,253

Schedule Of Gross Written Premiums Derived From Largest Non-U.S. Market

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(Dollars in thousands)	2017		2016		2017		2016
United Kingdom gross written premium	$	204,774	$	182,786	$	580,559	$	511,994

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Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2017

Retirement Benefits [Abstract]

Summary Of Pension Expense

Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Service cost	$	2,737		$	2,731		$	9,335		$	8,524
Interest cost		2,509			2,371			7,060			7,093
Expected return on plan assets		(3,263	)		(2,789	)		(9,572	)		(7,757	)
Amortization of prior service cost		-			-			-			-
Amortization of net (income) loss		2,091			1,984			8,172			6,012
Net periodic benefit cost	$	4,074		$	4,297		$	14,995		$	13,872

Other Benefits	Three Months Ended						Nine Months Ended
	September 30,						September 30,
(Dollars in thousands)	2017			2016			2017			2016
Service cost	$	392		$	354		$	1,273		$	1,230
Interest cost		296			252			793			844
Amortization of prior service cost		(33	)		(33	)		(98	)		(33	)
Amortization of net (income) loss		48			-			199			96
Net periodic benefit cost	$	703		$	573		$	2,167		$	2,137
(Some amounts may not reconcile due to rounding.)

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Basis Of Presentation (Schedule of Effect of Newly Adopted Accounting Policies, Cash Flow) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (639,374)	$ 295,394	$ (102,057)	$ 622,772
Change in other assets and liabilities, net			(116,623)	(154,765)
Net cash provided by (used in) operating activities			1,044,218	960,748
CASH FLOWS FROM FINANCING ACTIVITIES:
Cost of shares withheld for taxes on settlements of share-based compensation awards			(12,707)	(10,017)
Net cash provided by (used in) financing activities			$ (172,244)	(528,227)
As Previously Reported [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Change in other assets and liabilities, net				(164,782)
Net cash provided by (used in) operating activities				950,731
CASH FLOWS FROM FINANCING ACTIVITIES:
Cost of shares withheld for taxes on settlements of share-based compensation awards
Net cash provided by (used in) financing activities				(518,210)
Effect Of Adoption Of New Accounting Policy [Member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Change in other assets and liabilities, net				10,017
Net cash provided by (used in) operating activities				10,017
CASH FLOWS FROM FINANCING ACTIVITIES:
Cost of shares withheld for taxes on settlements of share-based compensation awards				(10,017)
Net cash provided by (used in) financing activities				$ (10,017)

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Investments (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Percentage threshold that triggers a review of available for sale debt securities for declines in market value	80.00%
Aggregate market value of investments in unrealized loss position	$ 5,909,831		$ 6,211,700
Gross unrealized losses on investments in unrealized loss position	148,421		220,621
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	73,351		91,871
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	75,070		128,750
Gross unrealized depreciation	0		0
Additional contractual commitments	663,222
Other invested assets	$ 1,487,519		1,333,129
Sales Revenue, Net [Member]
Schedule of Available-for-sale Securities [Line Items]
Percentage threshold of unrealized losses not exceeded by any one single issuer	5.00%	5.00%
Minimum [Member]
Schedule of Available-for-sale Securities [Line Items]
Limited partnership financial reporting lag time, months	1 month
Maximum [Member]
Schedule of Available-for-sale Securities [Line Items]
Limited partnership financial reporting lag time, months	3 months
Investment Grade [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	$ 69,276		85,078
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	67,753
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Aggregate market value of investments in unrealized loss position	5,797,816		6,106,193
Gross unrealized losses on investments in unrealized loss position	145,188		207,837
Fixed maturity securities, duration of unrealized loss, less than 12 months, gross unrealized depreciation	73,351		91,871
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation	$ 71,837		$ 115,966
Fixed Maturity Securities [Member] | Sales Revenue, Net [Member]
Schedule of Available-for-sale Securities [Line Items]
Percentage threshold of unrealized losses not exceeded by any one single issuer	0.40%		1.10%
Foreign Exchange Losses [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, duration of unrealized loss, greater than 12 months, gross unrealized depreciation			$ 112,132
Private Placement Liquidity Sweep [Member]
Schedule of Available-for-sale Securities [Line Items]
Other invested assets	$ 367,966		$ 378,862

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Investments (Summary Of Unrealized Appreciation (Depreciation) Of Available For Sale, Fixed Maturity And Equity Security Investments) (Details) - USD ($) $ in Thousands		Sep. 30, 2017	Dec. 31, 2016
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 14,626,754	$ 13,932,613
Unrealized Appreciation		296,609	382,632
Unrealized Depreciation		(145,188)	(207,837)
Market Value		14,778,175	14,107,408
OTTI in AOCI	[1]	4,045	9,235
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		1,141,002	1,115,208
Unrealized Appreciation		12,475	20,410
Unrealized Depreciation		(6,608)	(5,303)
Market Value		1,146,869	1,130,315
OTTI in AOCI	[1]
Obligations Of U.S. States And Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		652,525	723,938
Unrealized Appreciation		24,061	18,016
Unrealized Depreciation		(4,744)	(11,970)
Market Value		671,842	729,984
OTTI in AOCI	[1]
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		5,599,904	5,059,388
Unrealized Appreciation		108,072	131,651
Unrealized Depreciation		(31,814)	(35,758)
Market Value		5,676,162	5,155,281
OTTI in AOCI	[1]	2,902	7,936
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		555,451	488,824
Unrealized Appreciation		1,390	1,110
Unrealized Depreciation		(444)	(1,286)
Market Value		556,397	488,648
OTTI in AOCI	[1]
Commercial Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		253,154	308,827
Unrealized Appreciation		1,462	1,983
Unrealized Depreciation		(1,825)	(3,878)
Market Value		252,791	306,932
OTTI in AOCI	[1]
Agency Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,390,238	2,415,901
Unrealized Appreciation		13,680	17,478
Unrealized Depreciation		(23,589)	(27,910)
Market Value		2,380,329	2,405,469
OTTI in AOCI	[1]
Non-Agency Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		519	642
Unrealized Appreciation		42	44
Unrealized Depreciation		(44)	(45)
Market Value		517	641
OTTI in AOCI	[1]
Foreign Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		1,317,697	1,254,175
Unrealized Appreciation		46,225	61,226
Unrealized Depreciation		(34,489)	(57,241)
Market Value		1,329,433	1,258,160
OTTI in AOCI	[1]	182	115
Foreign Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		2,716,264	2,565,710
Unrealized Appreciation		89,202	130,714
Unrealized Depreciation		(41,631)	(64,446)
Market Value		2,763,835	2,631,978
OTTI in AOCI	[1]	961	1,184
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		128,116	129,553
Unrealized Appreciation		2,542	2,298
Unrealized Depreciation		(3,233)	(12,784)
Market Value		127,425	119,067
OTTI in AOCI	[1]

[1] Represents the amount of OTTI recognized in AOCI. Amount includes unrealized gains and losses on impaired securities relating to changes in the value of such securities subsequent to the impairment measurement date

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Investments (Summary Of Amortized Cost And Market Value Of Fixed Maturity Securities, By Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities - available for sale, Amortized Cost	$ 14,626,754	$ 13,932,613
Fixed maturity securities - available for sale, Market Value	14,778,175	14,107,408
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities - available for sale, Due in one year or less, Amortized Cost	1,091,257	956,945
Fixed maturity securities - available for sale, Due after one year through five years, Amortized Cost	7,267,248	6,769,585
Fixed maturity securities - available for sale, Due after five years through ten years, Amortized Cost	2,096,762	2,020,215
Fixed maturity securities - available for sale, Due after ten years, Amortized Cost	972,125	971,674
Fixed maturity securities - available for sale, Due in one year or less, Market Value	1,095,288	966,970
Fixed maturity securities - available for sale, Due after one year through five years, Market Value	7,334,494	6,870,056
Fixed maturity securities - available for sale, Due after five years through ten years, Market Value	2,124,265	2,052,733
Fixed maturity securities - available for sale, Due after ten years, Market Value	1,034,094	1,015,959
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities - available for sale, Amortized Cost	555,451	488,824
Fixed maturity securities - available for sale, Market Value	556,397	488,648
Commercial Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities - available for sale, Amortized Cost	253,154	308,827
Fixed maturity securities - available for sale, Market Value	252,791	306,932
Agency Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities - available for sale, Amortized Cost	2,390,238	2,415,901
Fixed maturity securities - available for sale, Market Value	2,380,329	2,405,469
Non-Agency Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities - available for sale, Amortized Cost	519	642
Fixed maturity securities - available for sale, Market Value	$ 517	$ 641

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Investments (Summary Of Changes In Net Unrealized Appreciation (Depreciation) For The Company's Investments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	$ (9,489)	$ (12,853)	$ (10,718)	$ 341,133
Deferred tax benefit (expense)	(1,774)	(256)	11,343	(53,666)
Deferred tax benefit (expense), other-than-temporary impairment	55	855	1,391	(1,470)
Total URA(D) on securities arising during the period	(11,208)	(12,254)	2,016	285,997
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	(13,993)	(13,544)	(18,184)	324,147
Fixed Maturity Securities, Other-Than-Temporary Impairment [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	306	(1,836)	(5,189)	7,088
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	2,603	2,527	9,795	9,898
Other Invested Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Change in unrealized appreciation (depreciation), pre-tax	$ 1,595		$ 2,860

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Investments (Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Security Type) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	$ 4,323,876	$ 5,180,408
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(73,351)	(91,871)
Fixed maturity securities, Greater than 12 months, Market Value	1,585,955	1,031,292
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(75,070)	(128,750)
Fixed maturity securities, Total, Market Value	5,909,831	6,211,700
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(148,421)	(220,621)
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	4,323,876	5,180,408
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(73,351)	(91,871)
Fixed maturity securities, Greater than 12 months, Market Value	1,473,940	925,785
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(71,837)	(115,966)
Fixed maturity securities, Total, Market Value	5,797,816	6,106,193
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(145,188)	(207,837)
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	376,128	638,740
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(4,865)	(5,303)
Fixed maturity securities, Greater than 12 months, Market Value	53,039
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(1,743)
Fixed maturity securities, Total, Market Value	429,167	638,740
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(6,608)	(5,303)
Obligations Of U.S. States And Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	89,509	221,088
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(2,104)	(11,486)
Fixed maturity securities, Greater than 12 months, Market Value	67,956	564
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(2,640)	(484)
Fixed maturity securities, Total, Market Value	157,465	221,652
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(4,744)	(11,970)
Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	1,214,762	1,360,743
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(20,914)	(24,023)
Fixed maturity securities, Greater than 12 months, Market Value	283,985	177,153
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(10,900)	(11,735)
Fixed maturity securities, Total, Market Value	1,498,747	1,537,896
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(31,814)	(35,758)
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	189,752	150,023
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(369)	(565)
Fixed maturity securities, Greater than 12 months, Market Value	6,262	18,786
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(75)	(721)
Fixed maturity securities, Total, Market Value	196,014	168,809
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(444)	(1,286)
Commercial Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	63,101	143,554
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(540)	(3,223)
Fixed maturity securities, Greater than 12 months, Market Value	40,432	7,184
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(1,285)	(655)
Fixed maturity securities, Total, Market Value	103,533	150,738
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(1,825)	(3,878)
Agency Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	1,345,113	1,618,372
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(13,416)	(22,461)
Fixed maturity securities, Greater than 12 months, Market Value	450,890	189,665
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(10,173)	(5,449)
Fixed maturity securities, Total, Market Value	1,796,003	1,808,037
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(23,589)	(27,910)
Non-Agency Residential [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation
Fixed maturity securities, Greater than 12 months, Market Value	77	113
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(44)	(45)
Fixed maturity securities, Total, Market Value	77	113
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(44)	(45)
Foreign Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	385,494	360,289
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(14,007)	(12,041)
Fixed maturity securities, Greater than 12 months, Market Value	258,478	236,820
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(20,482)	(45,200)
Fixed maturity securities, Total, Market Value	643,972	597,109
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(34,489)	(57,241)
Foreign Corporate Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value	660,017	687,599
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(17,136)	(12,769)
Fixed maturity securities, Greater than 12 months, Market Value	312,821	295,500
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(24,495)	(51,677)
Fixed maturity securities, Total, Market Value	972,838	983,099
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(41,631)	(64,446)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Less than 12 months, Market Value
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation
Fixed maturity securities, Greater than 12 months, Market Value	112,015	105,507
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(3,233)	(12,784)
Fixed maturity securities, Total, Market Value	112,015	105,507
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	$ (3,233)	$ (12,784)

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Investments (Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Contractual Maturity) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	$ 4,323,876	$ 5,180,408
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(73,351)	(91,871)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	1,585,955	1,031,292
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(75,070)	(128,750)
Fixed maturity securities, Total, Market Value	5,909,831	6,211,700
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(148,421)	(220,621)
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	4,323,876	5,180,408
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(73,351)	(91,871)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	1,473,940	925,785
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(71,837)	(115,966)
Fixed maturity securities, Total, Market Value	5,797,816	6,106,193
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(145,188)	(207,837)
Due In One Year Or Less [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	270,695	178,281
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(848)	(1,122)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	123,092	78,153
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(13,069)	(14,318)
Fixed maturity securities, Total, Market Value	393,787	256,434
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(13,917)	(15,440)
Due In One Year Through Five Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	1,680,251	2,123,113
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(31,686)	(26,263)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	644,557	538,130
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(37,591)	(84,803)
Fixed maturity securities, Total, Market Value	2,324,808	2,661,243
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(69,277)	(111,066)
Due In Five Years Through Ten Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	639,836	680,334
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(22,619)	(22,555)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	136,548	86,631
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(6,469)	(8,754)
Fixed maturity securities, Total, Market Value	776,384	766,965
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(29,088)	(31,309)
Due After Ten Years [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	135,128	286,731
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(3,873)	(15,682)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	72,082	7,123
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(3,131)	(1,221)
Fixed maturity securities, Total, Market Value	207,210	293,854
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(7,004)	(16,903)
Asset-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	189,752	150,023
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(369)	(565)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	6,262	18,786
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(75)	(721)
Fixed maturity securities, Total, Market Value	196,014	168,809
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	(444)	(1,286)
Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fixed maturity securities, Duration of Unrealized Loss, Less than 12 months, Market Value	1,408,214	1,761,926
Fixed maturity securities, Duration of Unrealized loss, less than 12 months, Gross Unrealized Depreciation	(13,956)	(25,684)
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Market Value	491,399	196,962
Fixed maturity securities, Duration of Unrealized Loss, Greater than 12 months, Gross Unrealized Depreciation	(11,502)	(6,149)
Fixed maturity securities, Total, Market Value	1,899,613	1,958,888
Fixed maturity securities, Duration of Unrealized Loss, Total, Gross Unrealized Depreciation, Total	$ (25,458)	$ (31,833)

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Investments (Summary Of Components Of Net Investment Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	$ 142,943	$ 129,242	$ 408,501	$ 374,571
Funds held interest income (expense)	2,284	1,538	7,156	5,818
Future policy benefit reserve income (expense)	(280)	(517)	(1,015)	(1,243)
Gross investment income	144,947	130,263	414,642	379,146
Investment expenses	(7,974)	(7,606)	(20,872)	(21,228)
Net investment income	136,973	122,657	393,770	357,918
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	107,969	100,752	319,336	306,128
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	8,590	9,905	25,701	31,967
Short-Term Investments And Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	974	475	2,439	1,220
Limited Partnerships [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	23,315	17,077	54,373	33,922
Other [Member]
Schedule of Available-for-sale Securities [Line Items]
Gross investment income before adjustments	$ 2,095	$ 1,033	$ 6,652	$ 1,334

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Investments (Summary Of Components Of Net Realized Capital Gains (Losses)) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule of Available-for-sale Securities [Line Items]
Other-than-temporary impairments	$ (1,485)	$ (867)	$ (5,188)	$ (31,130)
Sale of Subsidiary		(28,032)		(28,032)
Total net realized capital gains (losses)	41,535	380	119,531	(41,221)
Fixed Maturity Securities [Member] | Market Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Other-than-temporary impairments	(1,485)	(867)	(5,188)	(31,130)
Gains (losses) from sales	7,998	5,912	32,913	(7,670)
Fixed Maturity Securities [Member] | Fair Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Gains (losses) from sales		(1)		(1,855)
Gains (losses) from fair value adjustments		42		1,381
Equity Securities [Member] | Market Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Gains (losses) from sales			(3,436)	65
Equity Securities [Member] | Fair Value [Member]
Schedule of Available-for-sale Securities [Line Items]
Gains (losses) from sales	(1,525)	5,850	3,796	(10,266)
Gains (losses) from fair value adjustments	36,463	17,475	91,367	36,284
Other Invested Assets [Member]
Schedule of Available-for-sale Securities [Line Items]
Gains (losses) from sales	85		84
Short-Term Investments And Cash [Member]
Schedule of Available-for-sale Securities [Line Items]
Gains (losses) from sales	$ (1)	$ 1	$ (5)	$ 2

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Investments (Summary Of Gross Gains (Losses) From Sales Of Fixed Maturity And Equity Securities) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales of fixed maturity securities	$ 700,728	$ 293,998	$ 1,691,937	$ 890,349
Gross gains from sales	13,743	15,028	46,321	32,674
Gross losses from sales	(5,745)	(9,117)	(13,408)	(42,199)
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Proceeds from sales of fixed maturity securities	57,861	112,451	334,889	542,715
Gross gains from sales	2,258	7,308	14,351	14,040
Gross losses from sales	$ (3,783)	$ (1,458)	$ (13,991)	$ (24,241)

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Reserve For Losses, LAE And Future Policy Benefit Reserve (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in insurance business	$ (1,289)	$ (295,335)
Partially offset, related to development on A&E reserves		53,909
Case reserve established by the Company on direct excess insurance claims	12,455,357	10,312,313	$ 9,951,798
Property and Short-Tail Business [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in reinsurance business		468,749
Explosion, Port Of Tianjin, China [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in reinsurance business		43,280
Explosion, Port Of Tianjin, China [Member] | Estimated [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in reinsurance business		60,000
Explosion, Port Of Tianjin, China [Member] | Projected [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in reinsurance business		16,720
Construction Liability, Umbrella, and Workers Compenstion Reserves [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in reinsurance business		173,414
Catastrophe Losses [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Increase (decrease) in insurance business	$ 1,443,746	$ 307,263

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Reserve For Losses, LAE And Future Policy Benefit Reserve (Summary Of Activity In The Reserve For Losses And LAE) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016	Dec. 31, 2015
Reserve For Losses LAE And Future Policy Benefit Reserve [Abstract]
Gross reserves at beginning of period	$ 10,312,313	$ 9,951,798
Less reinsurance recoverable	(1,298,125)	(990,862)	$ (881,503)
Net reserves at beginning of period	9,321,451	9,070,295
Incurred related to: Current year	3,843,434	3,434,964
Incurred related to: Prior years	(1,289)	(295,335)
Total incurred losses and LAE	3,842,145	3,139,629
Paid related to: Current year	948,897	745,642
Paid related to: Prior years	1,265,713	2,042,972
Total paid losses and LAE	2,214,610	2,788,614
Foreign exchange/translation adjustment	208,246	(99,859)
Net reserves at end of period	11,157,232	9,321,451
Plus reinsurance recoverable	1,298,125	990,862
Gross reserves at end of period	$ 12,455,357	$ 10,312,313

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Derivatives (Narrative) (Details)	9 Months Ended
	Sep. 30, 2017 USD ($) item security	Dec. 31, 2016 USD ($)	Dec. 31, 2005 security	Dec. 31, 2001 security
Derivative [Line Items]
Number of equity index put option contracts	7		7	7
Number of equity indices | item	2
Equity index put option liability	$ 16,006,000	$ 22,059,000
Equity Index Put Option Contracts [Member]
Derivative [Line Items]
Number of equity index put option contracts | item	1
Equity index put option liability	$ 0
Equity Index Put Option Contracts [Member] | Fair Value [Member]
Derivative [Line Items]
Equity index put option liability	$ 16,006,000	$ 22,059,000
Standard & Poor's 500 Index [Member]
Derivative [Line Items]
Number of equity index put option contracts | security	5
Theoretical maximum payout occurs based on index value	$ 0
Discount factor	3.00%
Present value of theoretical maximum payouts	$ 397,561,000
Settlement amount if contracts had expired	$ 0
Equity Index If Contracts Had Expired | item	2,519.36
Standard & Poor's 500 Index [Member] | Maximum [Member]
Derivative [Line Items]
Estimates the probability of equity index put option contract will falling below the strike price on the exercise date	2.00%
FTSE 100 Index [Member]
Derivative [Line Items]
Number of equity index put option contracts | security	1
Theoretical maximum payout occurs based on index value	$ 0
Discount factor	3.00%
Present value of theoretical maximum payouts	$ 41,134,000
Settlement amount if contracts had expired	$ 0
Equity Index If Contracts Had Expired | item	7,372.76
FTSE 100 Index [Member] | Maximum [Member]
Derivative [Line Items]
Estimates the probability of equity index put option contract will falling below the strike price on the exercise date	15.00%

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Derivatives (Summary Of The Fair Value Of The Equity Index Put Options) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Option Indexed to Issuer's Equity [Line Items]
Equity index put option liability	$ 16,006		$ 16,006		$ 22,059
Net derivative gain (loss)	2,656	$ 6,510	6,052	$ 5,486
Equity Index Put Option Contracts [Member] | Derivatives Not Designated As Hedging Instruments [Member]
Option Indexed to Issuer's Equity [Line Items]
Equity index put option liability	16,006		16,006		$ 22,059
Net derivative gain (loss)	$ 2,656	$ 6,510	$ 6,052	$ 5,486

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Fair Value (Narrative) (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($) security item	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) security item	Sep. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) security	Dec. 31, 2005 security	Dec. 31, 2001 security
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of public equity portfolio	$ 361,608		$ 361,608		$ 256,041
Number of equity index put option contracts	7		7			7	7
Derivatives, Number Of Indices | item			2
Equity index put option liability	$ 16,006		$ 16,006		22,059
other invested assets	517,765		517,765		263,459
Transfers between level 1 and 2	0		0
Transfers from level 3		$ 2,015	0	$ 2,015
Accounting Standards Update 2015-07 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
other invested assets	$ 70,657		$ 70,657		$ 18,801
Unavailability Of Prices [Member] | Private Placement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of securities | security	50		50		42
Available-for-sale Securities	$ 105,987		$ 105,987		$ 86,536
Par Value [Member] | Unavailability Of Prices [Member] | Private Placement [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of securities | security	1		1
Available-for-sale Securities	$ 51,965		$ 51,965
Equity Index Put Option Contracts [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of equity index put option contracts | item	1		1
Equity index put option liability	$ 0		$ 0
Equity Index Put Option Contracts [Member] | Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity index put option liability	$ 16,006		$ 16,006		$ 22,059

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Fair Value (Fair Value Measurement Levels For All Assets And Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	$ 14,778,175	$ 14,107,408
Equity securities, market value	127,425	119,067
Equity securities, fair value	1,141,146	1,010,085
Equity index put option contracts	16,006	22,059
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Equity securities, market value	112,015	105,507
Equity securities, fair value	1,094,754	949,523
Equity index put option contracts
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	14,620,223	14,039,673
Equity securities, market value	15,410	13,560
Equity securities, fair value	46,392	60,562
Equity index put option contracts
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	157,952	67,735
Equity securities, market value
Equity securities, fair value
Equity index put option contracts	16,006	22,059
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	1,146,869	1,130,315
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	1,146,869	1,130,315
U.S. Treasury Securities And Obligations Of U.S. Government Agencies And Corporations [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Obligations Of U.S. States And Political Subdivisions [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	671,842	729,984
Obligations Of U.S. States And Political Subdivisions [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Obligations Of U.S. States And Political Subdivisions [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	671,842	729,984
Obligations Of U.S. States And Political Subdivisions [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	5,676,162	5,155,281
Corporate Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Corporate Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	5,522,128	5,090,084
Corporate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	154,034	65,197
Asset-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	556,397	488,648
Asset-Backed Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Asset-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	556,397	488,648
Asset-Backed Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Commercial Mortgage-Backed Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	252,791	306,932
Commercial Mortgage-Backed Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Commercial Mortgage-Backed Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	252,791	306,932
Commercial Mortgage-Backed Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Agency Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	2,380,329	2,405,469
Agency Residential [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Agency Residential [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	2,380,329	2,405,469
Agency Residential [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Non-Agency Residential [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	517	641
Non-Agency Residential [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Non-Agency Residential [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	517	641
Non-Agency Residential [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Foreign Government Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	1,329,433	1,258,160
Foreign Government Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Foreign Government Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	1,329,433	1,258,160
Foreign Government Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Foreign Corporate Securities [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	2,763,835	2,631,978
Foreign Corporate Securities [Member] | Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value
Foreign Corporate Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	2,759,917	2,629,440
Foreign Corporate Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed maturities, market value	$ 3,918	$ 2,538

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Fair Value (Activity Under Level 3, Fair Value Measurements Using Significant Unobservable Inputs By Asset Type) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 141,256	$ 34,431	$ 67,735	$ 5,526
Total gains or (losses) (realized/unrealized) Included in earnings	492	15	1,521	(992)
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)	(166)	(1,371)	(23)	21
Purchases, issuances and settlements	16,370	28,064	88,719	56,584
Transfers in and/or (out) of Level 3		2,015	0	2,015
Ending balance	157,952	63,154	157,952	63,154
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date				(997)
Corporate Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	138,105	32,410	65,197	3,933
Total gains or (losses) (realized/unrealized) Included in earnings	283	(12)	1,208	(22)
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)	18	(48)	161	(81)
Purchases, issuances and settlements	15,628	25,877	87,468	54,397
Transfers in and/or (out) of Level 3		(1,932)		(1,932)
Ending balance	154,034	56,295	154,034	56,295
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date
Commercial Mortgage-Backed Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)		(38)		(38)
Purchases, issuances and settlements		(44)		(44)
Transfers in and/or (out) of Level 3		3,947		3,947
Ending balance		3,865		3,865
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date
Foreign Corporate Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	3,151	2,021	2,538	1,593
Total gains or (losses) (realized/unrealized) Included in earnings	209	27	313	(970)
Total gains or (losses) (realized/unrealized) Included in other comprehensive income (loss)	(184)	(1,285)	(184)	140
Purchases, issuances and settlements	742	2,231	1,251	2,231
Transfers in and/or (out) of Level 3
Ending balance	3,918	2,994	3,918	2,994
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to assets still held at the reporting date				$ (997)

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Fair Value (Fair Value Measurements Using Significant Unobservable Inputs For Equity Index Put Option Contracts) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fair Value [Abstract]
Balance, beginning of period	$ 18,662	$ 41,729	$ 22,059	$ 40,705
Total (gains) or losses (realized/unrealized) Included in earnings	(2,656)	(6,510)	(6,052)	(5,486)
Total (gains) or losses (realized/unrealized) Included in other comprehensive income (loss)
Purchases, issuances and settlements
Transfers in and/or (out) of Level 3
Balance, end of period	16,006	35,219	16,006	35,219
The amount of total gains or losses for the period included in earnings (or changes in net assets) attributable to the change in unrealized gains or losses relating to liabilities still held at the reporting date

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Earnings Per Common Share (Narrative) (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Common Share [Abstract]
Anti-dilutive options	0	0	0	0

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Earnings Per Common Share (Schedule Of Net Income (Loss) Per Common Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Common Share [Abstract]
Net income (loss)	$ (639,374)	$ 295,394	$ (102,057)	$ 622,772
Less: dividends declared-common shares and nonvested common shares	(51,302)	(47,463)	(153,887)	(144,299)
Undistributed earnings	$ (690,676)	$ 247,932	$ (255,944)	$ 478,472
Percentage allocated to common shareholders	100.00%	98.90%	100.00%	98.90%
Net income (loss) available to common stockholders, total	$ (690,676)	$ 245,248	$ (255,944)	$ 473,372
Add: dividends declared-common shareholders	51,302	46,985	153,887	142,839
Numerator for basic and diluted earnings per common share	$ (639,374)	$ 292,233	$ (102,057)	$ 616,211
Denominator for basic earnings per weighted-average common shares	40,638	41,101	40,597	41,626
Effect of dilutive securities: Options	245	284	255	305
Denominator for diluted earnings per adjusted weighted-average common shares	40,883	41,386	40,852	41,931
Basic	$ (15.73)	$ 7.11	$ (2.51)	$ 14.80
Diluted	$ (15.73)	$ 7.06	$ (2.51)	$ 14.70
Basic weighted-average common shares outstanding	40,638	41,101	40,597	41,626
Basic weighted-average common shares outstanding and nonvested common shares expected to vest	40,638	41,551	40,597	42,074

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Commitments And Contingencies (Summary Of Estimated Cost To Replace Annuities For Contingent Liability) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
The Prudential [Member]
Loss Contingencies [Line Items]
Estimated cost to replace annuities	$ 144,331	$ 146,507
Unaffiliated Life Insurance Company [Member]
Loss Contingencies [Line Items]
Estimated cost to replace annuities	$ 33,769	$ 33,860

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Other Comprehensive Income (Loss) (Components Of Comprehensive Income (Loss) In The Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total, Before Tax	$ 88,640	$ (9,510)	$ 145,950	$ 379,809
Total, Tax Effect	(20,915)	1,340	(13,433)	(72,224)
Total, Net of Tax	67,725	(8,170)	132,517	307,585
URA(D) On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax	(3,197)	(5,972)	18,844	295,311
Tax Effect	(2,835)	(2,079)	3,699	(42,643)
Net of Tax	(6,032)	(8,051)	22,543	252,668
Reclassification, Before Tax	(6,598)	(5,045)	(24,373)	38,734
Reclassification, Tax Effect	1,061	1,823	7,644	(11,023)
Reclassification, Net of Tax	(5,537)	(3,222)	(16,729)	27,711
Total, Net of Tax			5,814		$ 66,802
URA(D) On Securities OTTI [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax	306	(1,836)	(5,189)	7,088
Tax Effect	55	855	1,391	(1,470)
Net of Tax	361	(981)	(3,798)	5,618
Total, Net of Tax			(3,798)		5,945
Foreign Currency Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax	96,022	1,393	148,395	32,601
Tax Effect	(18,458)	1,423	(23,271)	(14,962)
Net of Tax	77,564	2,816	125,124	17,639
Total, Net of Tax			125,124		(55,341)
Benefit Plan Net Gain (Loss)[Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Before Tax
Tax Effect
Net of Tax
Reclassification, Before Tax	2,107	1,951	8,273	6,076
Reclassification, Tax Effect	(738)	(683)	(2,896)	(2,127)
Reclassification, Net of Tax	$ 1,369	$ 1,268	5,377	$ 3,949
Total, Net of Tax			$ 5,377		$ (2,415)

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Other Comprehensive Income (Loss) (Reclassification From Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other net realized capital gains (losses)	$ 43,020	$ 1,247	$ 124,719	$ (10,091)
Income tax expense (benefit)	(264,693)	25,493	(188,064)	61,481
Net income (loss)	(639,374)	295,394	(102,057)	622,772
URA(D) On Securities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other underwriting expenses	(6,598)	(5,045)	(24,373)	38,734
Income tax expense (benefit)	1,061	1,823	7,644	(11,023)
Net income (loss)	(5,537)	(3,222)	(16,729)	27,711
URA(D) On Securities [Member] | Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other net realized capital gains (losses)	(6,598)	(5,045)	(24,373)	38,734
Income tax expense (benefit)	1,061	1,823	7,644	(11,023)
Net income (loss)	(5,537)	(3,222)	(16,729)	27,711
Benefit Plan Net Gain (Loss)[Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income tax expense (benefit)	(738)	(683)	(2,896)	(2,127)
Other underwriting expenses	2,107	1,951	8,273	6,076
Income tax expense (benefit)	(738)	(683)	(2,896)	(2,127)
Net income (loss)	$ 1,369	$ 1,268	$ 5,377	$ 3,949

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Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss), Net Of Tax, In The Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period			$ 8,075,396
Current period change	$ 67,725	$ (8,170)	132,517	$ 307,585
Balance, end of period	7,969,331	8,041,092	7,969,331	8,041,092	$ 8,075,396
URA(D) On Securities [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period			115,558	42,811	42,811
Current period change			5,814		66,802
Balance, end of period	117,574		117,574		115,558
URA(D) On Securities OTTI [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Current period change			(3,798)		5,945
Foreign Currency Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period			(266,818)	(211,477)	(211,477)
Current period change			125,124		(55,341)
Balance, end of period	(141,694)		(141,694)		(266,818)
Benefit Plan Net Gain (Loss)[Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period			(65,504)	(63,089)	(63,089)
Current period change			5,377		(2,415)
Balance, end of period	(60,127)		(60,127)		(65,504)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance, beginning of period	(151,972)	84,000	(216,764)	(231,755)	(231,755)
Current period change	67,725	(8,170)	132,517	307,585
Balance, end of period	$ (84,247)	$ 75,830	$ (84,247)	$ 75,830	$ (216,764)

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Credit Facilities (Narrative) (Details) £ in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017 GBP (£) item	Dec. 31, 2015	Sep. 30, 2017 USD ($) item	Dec. 31, 2016 GBP (£)	Dec. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Line of credit facility, number of facilities | item	2
Line of credit facility, commitment			$ 1,000,000
Wells Fargo Bank Group Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, number of tranches | item	2		2
Line of credit facility, term of credit facility	4 years
Line of credit facility, commitment			$ 800,000		$ 800,000
Line of credit facility, required minimum debt-to-capital ratio	0.35		0.35
Line of credit facility, required minimum net worth			$ 5,370,979
Percentage amount of consolidated net income required to be reserved to maintain compliance with facility covenants	25.00%
Percentage amount of increase in consolidated net worth from new issuance required to be reserved to maintain compliance with facility covenants	25.00%
Increase in reserves due to new issuance during the period required to maintain compliance with facility covenants			5,723,052
Wells Fargo Bank Group Credit Facility [Member] | Before Amended And Restated Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, term of credit facility	5 years
Line of credit facility, commitment			800,000
Wells Fargo Bank Group Credit Facility Tranche One [Member]
Line of Credit Facility [Line Items]
Line of credit facility, commitment			200,000		200,000
Wells Fargo Bank Group Credit Facility Tranche One [Member] | Interest Rate Base Rate Option 1(b) [Member]
Line of Credit Facility [Line Items]
Line of credit facility, spread on variable rate basis	0.50%
Wells Fargo Bank Group Credit Facility Tranche One [Member] | Interest Rate Base Rate Option 1(c) [Member]
Line of Credit Facility [Line Items]
Line of credit facility, spread on variable rate basis	1.00%
Wells Fargo Bank Group Credit Facility Tranche Two [Member]
Line of Credit Facility [Line Items]
Line of credit facility, commitment			600,000
Citibank Holdings Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, term of credit facility	3 years
Citibank Bilateral Agreement [Member]
Line of Credit Facility [Line Items]
Line of credit facility, commitment			$ 200,000		$ 200,000
Per annum commitment fee on undrawn credit	0.15%
Citibank Bilateral Agreement [Member] | Interest Rate Base Rate Option 1(a) [Member]
Line of Credit Facility [Line Items]
Percentage of interest on the principal amount of letters of credit issued	0.35%
Maximum term allowed to execute issued letters of credit	15 months
Citibank Bilateral Agreement [Member] | Interest Rate Base Rate Option 1(b) [Member]
Line of Credit Facility [Line Items]
Percentage of interest on the principal amount of issued extended tenor letters of credit	0.45%
Maximum term allowed to execute issued letters of credit	60 months
Everest International Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, required minimum debt-to-capital ratio	0.35		0.35
Line of credit facility, required minimum net worth			$ 5,326,009
Consolidated net worth, percentage		70.00%
Percentage amount of consolidated net income required to be reserved to maintain compliance with facility covenants	25.00%
Percentage amount of increase in consolidated net worth from new issuance required to be reserved to maintain compliance with facility covenants	25.00%
Increase in reserves due to new issuance during the period required to maintain compliance with facility covenants			$ 5,723,052
Lloyds Bank plc Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of credit facility, initiation date	Nov. 09, 2016
Line of credit facility, term of credit facility	4 years
Line of credit facility, commitment | £	£ 145,000			£ 140,000
Percentage commitment fee per annum	0.10%
Per annum commitment fee on undrawn credit	0.35%

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Credit Facilities (Summary Of Costs Incurred Connection With Credit Facilities) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Credit Facilities [Abstract]
Credit facility interest and fees incurred	$ 105	$ 35	$ 315	$ 618

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Credit Facilities (Summary Of Outstanding Letters Of Credit And/Or Borrowings) (Details) £ in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017 GBP (£)	Dec. 31, 2016 GBP (£)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Line of Credit Facility [Line Items]
Commitment			$ 1,000,000
Wells Fargo Bank Group Credit Facility Tranche One [Member]
Line of Credit Facility [Line Items]
Commitment			200,000	$ 200,000
In Use
Wells Fargo Bank Group Credit Facility Tranche Two Issuance One [Member]
Line of Credit Facility [Line Items]
Commitment			600,000	600,000
In Use			507,916	478,233
Date of Expiry	Dec. 31, 2017	Dec. 31, 2017
Wells Fargo Bank Group Credit Facility [Member]
Line of Credit Facility [Line Items]
Commitment			800,000	800,000
In Use			507,916	478,233
Citibank Bilateral Letter Of Credit Agreement One [Member]
Line of Credit Facility [Line Items]
Commitment			200,000	200,000
In Use			3,672	4,058
Date of Expiry	Nov. 24, 2017	Feb. 28, 2017
Citibank Bilateral Letter Of Credit Agreement Two [Member]
Line of Credit Facility [Line Items]
In Use			68,353	3,672
Date of Expiry	Dec. 31, 2017	Nov. 24, 2017
Citibank Bilateral Letter Of Credit Agreement Three [Member]
Line of Credit Facility [Line Items]
In Use			3,297	69,404
Date of Expiry	Feb. 28, 2018	Dec. 31, 2017
Citibank Bilateral Letter Of Credit Agreement Four [Member]
Line of Credit Facility [Line Items]
In Use			353	269
Date of Expiry	Aug. 30, 2018	Aug. 30, 2018
Citibank Bilateral Letter Of Credit Agreement Five [Member]
Line of Credit Facility [Line Items]
In Use			4,019	1,163
Date of Expiry	Dec. 31, 2018	Dec. 31, 2018
Citibank Bilateral Letter Of Credit Agreement Six [Member]
Line of Credit Facility [Line Items]
In Use			105,485	93,180
Date of Expiry	Sep. 30, 2021	Dec. 30, 2020
Citibank Bilateral Agreement [Member]
Line of Credit Facility [Line Items]
Commitment			200,000	200,000
In Use			$ 185,179	$ 171,746
Lloyds Bank PLC [Member]
Line of Credit Facility [Line Items]
Commitment | £	£ 145,000	£ 140,000
In Use | £	£ 140,964	£ 130,606
Date of Expiry	Dec. 31, 2020	Dec. 31, 2019
Lloyds Bank plc Credit Facility [Member]
Line of Credit Facility [Line Items]
Commitment | £	£ 145,000	£ 140,000
In Use | £	£ 140,964	£ 130,606

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Collateralized Reinsurance And Trust Agreements (Narrative) (Details) $ in Thousands					9 Months Ended	12 Months Ended
	Apr. 13, 2017 USD ($) item	Dec. 01, 2015 USD ($) item	Nov. 18, 2014 USD ($)	Apr. 24, 2014 USD ($) item	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Effects of Reinsurance [Line Items]
Amount on deposit in trust accounts					$ 794,469
Preferred shares invested
Kilimanjaro Re Limited [Member]
Effects of Reinsurance [Line Items]
Number of collateralized reinsurance agreements | item	6	2		2
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount			$ 500,000
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 1 Through 3 [Member]
Effects of Reinsurance [Line Items]
Number of collateralized reinsurance agreements | item	3
Reinsurance Contrants	4 years
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 4 Through 6 [Member]
Effects of Reinsurance [Line Items]
Number of collateralized reinsurance agreements | item	3
Reinsurance Contrants	5 years
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 1 [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount	$ 225,000	$ 300,000		$ 250,000
Catastrophe reinsurance bonds funded amount	950,000	625,000		450,000
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 2 [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount	400,000	$ 325,000		$ 200,000
Catastrophe reinsurance bonds funded amount	300,000		$ 500,000
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 3 [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount	325,000
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 4 [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount	50,000
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 5 [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount	75,000
Kilimanjaro Re Limited [Member] | Catastrophe Reinsurance Agreement 6 [Member]
Effects of Reinsurance [Line Items]
Reinsurance coverage amount	$ 175,000
Mt. Logan Re [Member]
Effects of Reinsurance [Line Items]
Percentage of voting common shares owned by Group					100.00%
Assumed net risk exposures					$ 832,679	932,243
Preferred shares invested					$ 50,935	$ 58,955

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Collateralized Reinsurance And Trust Agreements (Premiums And Losses Ceded By The Company To Affiliate) (Details) - Mt. Logan Re Segregated Accounts [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Effects of Reinsurance [Line Items]
Ceded written premiums	$ 64,003	$ 65,093	$ 160,949	$ 157,939
Ceded earned premiums	55,708	53,007	154,191	143,856
Ceded losses and LAE	197,395	8,725	241,792	38,459
Assumed written premiums	2,587	5,032	9,082	11,666
Assumed earned premiums	2,587	5,032	9,082	11,666
Assumed losses and LAE

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Senior Notes (Narrative) (Details) - Senior Notes [Member] - 4.868% Senior notes due 6/1/2044 [Member] - USD ($)	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Date Issued	Jun. 05, 2014
Principal amounts	$ 400,000,000
Debt Instrument, Term	30 years
Debt instrument, stated interest rate	4.868%	4.868%
Maturity Date	Jun. 01, 2044

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Senior Notes (Schedule Of Outstanding Senior Notes) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Consolidated balance sheet amount	$ 396,804,000	$ 396,714,000
4.868% Senior notes due 6/1/2044 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	4.868%	4.868%
Date issued	Jun. 05, 2014
Date due	Jun. 01, 2044
Principal amounts	$ 400,000,000
Consolidated balance sheet amount	396,804,000	$ 396,714,000
Market value	$ 420,008,000	$ 383,612,000

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Senior Notes (Schedule Of Interest Expense Incurred In Connection With Senior Notes) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Senior Notes [Abstract]
Interest expense incurred	$ 4,868	$ 4,868	$ 14,604	$ 14,604

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Long Term Subordinated Notes (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Redemption date	May 01, 2047
6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.60%	6.60%
Maturity Date	May 01, 2067
Reset quarterly interest rate	3.70%
Percentage of principal amount required for redemption	100.00%
Outstanding debt reduction	$ 161,441
Fixed Rate Interest Period [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.60%
Interest payment commencement date	Nov. 15, 2007
Interest basis, term of LIBOR rate	3 months
Interest basis, 3 month LIBOR plus number of basis points, reset quarterly	2.385%
Right to defer interest on one or more occasions for up to number of consecutive years	10 years
Fixed Rate Interest Period [Member] | 6.6 % Long Term Subordinated Notes [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest payment date	May 3, 2007
Fixed Rate Interest Period [Member] | 6.6 % Long Term Subordinated Notes [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest payment date	May 14, 2017
Floating Rate Interest Period [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Right to defer interest on one or more occasions for up to number of consecutive years	10 years
5.4% Senior notes due 10/15/2014 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	5.40%
Maturity Date	Oct. 15, 2014
4.868% Senior notes due 6/1/2044 [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	4.868%	4.868%
Maturity Date	Jun. 01, 2044

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Long Term Subordinated Notes (Schedule Of Outstanding Fixed To Floating Rate Long Term Subordinated Notes) (Details) - USD ($)	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Consolidated balance sheet amount	$ 236,536,000	$ 236,462,000
6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Debt instrument, stated interest rate	6.60%	6.60%
Date Issued	Apr. 26, 2007
Original Principal Amount	$ 400,000,000
Maturity Date	May 01, 2067
Consolidated balance sheet amount	$ 236,536,000	$ 236,462,000
Market value	$ 221,380,000	$ 204,636,000
Scheduled [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Maturity Date	May 15, 2037
Final [Member] | 6.6 % Long Term Subordinated Notes [Member]
Debt Instrument [Line Items]
Maturity Date	May 01, 2067

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Long Term Subordinated Notes (Schedule Of Interest Expense Incurred In Connection With Long Term Subordinated Notes) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Long Term Subordinated Notes [Abstract]
Interest expense incurred	$ 2,240	$ 3,937	$ 9,210	$ 11,811

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Segment Reporting (Schedule Of Underwriting Results For Operating Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Premiums earned	$ 1,598,875	$ 1,371,474	$ 4,280,653	$ 3,879,201
Incurred losses and LAE	2,210,082	786,168	3,842,145	2,344,733
Commission and brokerage	333,113	309,545	915,338	880,053
Other underwriting expenses	73,145	78,563	227,901	222,750
U.S. Reinsurance [Member]
Segment Reporting Information [Line Items]
Gross written premiums	908,256	654,770	1,962,207	1,597,005
Net written premiums	809,298	678,848	1,711,934	1,491,155
Premiums earned	649,772	519,160	1,609,790	1,478,974
Incurred losses and LAE	925,436	276,272	1,455,123	732,306
Commission and brokerage	113,449	116,667	328,230	354,608
Other underwriting expenses	12,095	14,265	40,624	39,856
Underwriting gain (loss)	(401,208)	111,956	(214,187)	352,204
International [Member]
Segment Reporting Information [Line Items]
Gross written premiums	344,805	348,812	931,008	925,028
Net written premiums	330,761	316,207	848,792	799,908
Premiums earned	305,951	282,442	841,348	823,493
Incurred losses and LAE	563,082	122,181	895,071	531,580
Commission and brokerage	68,441	78,384	199,438	209,348
Other underwriting expenses	8,307	11,030	27,601	26,822
Underwriting gain (loss)	(333,879)	70,847	(280,762)	55,743
Bermuda [Member]
Segment Reporting Information [Line Items]
Gross written premiums	311,781	245,995	870,473	612,657
Net written premiums	287,591	229,373	810,437	562,128
Premiums earned	267,488	215,761	766,051	610,466
Incurred losses and LAE	301,315	127,236	595,052	348,586
Commission and brokerage	83,861	59,605	205,770	169,413
Other underwriting expenses	9,049	8,785	27,551	26,290
Underwriting gain (loss)	(126,737)	20,135	(62,322)	66,177
Insurance [Member]
Segment Reporting Information [Line Items]
Gross written premiums	480,060	533,039	1,483,807	1,364,465
Net written premiums	370,439	340,216	1,179,873	1,047,863
Premiums earned	375,664	354,111	1,063,464	966,268
Incurred losses and LAE	420,249	260,479	896,899	732,261
Commission and brokerage	67,362	54,889	181,900	146,684
Other underwriting expenses	43,694	44,483	132,125	129,782
Underwriting gain (loss)	$ (155,641)	$ (5,740)	$ (147,460)	$ (42,459)

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Segment Reporting (Schedule Of Underwriting Results For Operating Segments To Income (Loss) Before Taxes) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net investment income	$ 136,973	$ 122,657	$ 393,770	$ 357,918
Net realized capital gains (losses)	41,535	380	119,531	(41,221)
Net derivative gain (loss)	2,656	6,510	6,052	5,486
Corporate expenses	(5,932)	(6,400)	(21,308)	(21,403)
Interest, fee and bond issue cost amortization expense	(7,266)	(8,893)	(24,289)	(27,194)
Other income (expense)	(54,568)	9,435	(59,146)	(20,998)
INCOME (LOSS) BEFORE TAXES	(904,067)	320,887	(290,121)	684,253
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Underwriting gain (loss)	(1,017,465)	197,198	(704,731)	431,665
Net investment income	136,973	122,657	393,770	357,918
Net realized capital gains (losses)	41,535	380	119,531	(41,221)
Net derivative gain (loss)	2,656	6,510	6,052	5,486
Corporate expenses	(5,932)	(6,400)	(21,308)	(21,403)
Interest, fee and bond issue cost amortization expense	(7,266)	(8,893)	(24,289)	(27,194)
Other income (expense)	(54,568)	9,435	(59,146)	(20,998)
INCOME (LOSS) BEFORE TAXES	$ (904,067)	$ 320,887	$ (290,121)	$ 684,253

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Segment Reporting (Schedule Of Gross Written Premiums Derived From Largest Non-U.S. Market) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
United Kingdom Gross Written Premium [Member]
Segment Reporting Information [Line Items]
Gross written premiums	$ 204,774	$ 182,786	$ 580,559	$ 511,994

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Share-Based Compensation Plans (Narrative) (Details) - Restricted Shares [Member]	3 Months Ended
	Sep. 30, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation awards granted | shares	3,855
Share-based compensation awards, grant date	Sep. 06, 2017
Share-based compensation awards, per option fair value | $ / shares	$ 230.520

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Retirement Benefits (Summary Of Pension Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Pension contributions	$ 10,000	$ 30,000	$ 10,000	$ 30,000
Pension Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,737	2,731	9,335	8,524
Interest cost	2,509	2,371	7,060	7,093
Expected return on plan assets	(3,263)	(2,789)	(9,572)	(7,757)
Amortization of net (income) loss	2,091	1,984	8,172	6,012
Net periodic benefit cost	4,074	4,297	14,995	13,872
Other Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	392	354	1,273	1,230
Interest cost	296	252	793	844
Amortization of prior service cost	(33)	(33)	(98)	(33)
Amortization of net (income) loss	48		199	96
Net periodic benefit cost	$ 703	$ 573	$ 2,167	$ 2,137

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Dispositions (Narrative) (Details) - Heartland Crop [Member] $ in Thousands	Aug. 24, 2016 USD ($)
Proceeds from sale of business	$ 49,000
After-tax loss on sale	$ 12,942