10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 10-K

FOR ANNUAL AND TRANSITION REPORTS

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

x	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the fiscal year ended December 31, 2013

or

¨	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from                     to

Commission File Number 001-33289

ENSTAR GROUP LIMITED

(Exact name of registrant as specified in its charter)

BERMUDA	N/A
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

P.O. Box HM 2267

Windsor Place, 3rd Floor, 22 Queen Street

Hamilton HM JX

Bermuda

(Address of principal executive offices, including zip code)

Registrant’s telephone number, including area code: (441) 292-3645

Securities registered pursuant to Section 12(b) of the Act:

Title of Each Class	Name of Each Exchange on Which Registered
Ordinary shares, par value $1.00 per share	The NASDAQ Stock Market LLC

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the registrant is a well known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  x    No  ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes  ¨    No  x

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 if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.  x

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer  x	Accelerated filer  ¨	Non-accelerated filer  ¨	Smaller reporting company  ¨
	(Do not check if a smaller reporting company)

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ¨    No  x

The aggregate market value of the voting and non-voting common equity held by non-affiliates, computed by reference to the closing price as of the last business day of the registrant’s most recently completed second fiscal quarter, June 28, 2013, was approximately $1.17 billion.

As of March 2, 2014, the registrant had outstanding 13,903,380 voting ordinary shares and 2,725,637 non-voting convertible ordinary shares, each par value $1.00 per share.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive proxy statement to be filed with the Securities and Exchange Commission pursuant to Regulation 14A relating to its 2014 annual general meeting of shareholders are incorporated by reference in Part III of this Form 10-K.

Table of Contents

		Page
Cautionary Statement Regarding Forward-Looking Statements			3
PART I
Item 1.	Business		5
Item 1A.	Risk Factors		32
Item 1B.	Unresolved Staff Comments		49
Item 2.	Properties		49
Item 3.	Legal Proceedings		50
Item 4.	Mine Safety Disclosures		50
PART II
Item 5.	Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities		51
Item 6.	Selected Financial Data		53
Item 7.	Management’s Discussion and Analysis of Financial Condition and Results of Operations		55
Item 7A.	Quantitative and Qualitative Information About Market Risk		116
Item 8.	Financial Statements and Supplementary Data		119
Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure		206
Item 9A.	Controls and Procedures		206
Item 9B.	Other Information		207
PART III
Item 10.	Directors, Executive Officers and Corporate Governance		210
Item 11.	Executive Compensation		210
Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters		210
Item 13.	Certain Relationships and Related Transactions, and Director Independence		210
Item 14.	Principal Accounting Fees and Services		210
PART IV
Item 15.	Exhibits, Financial Statement Schedules		211

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CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This annual report and the documents incorporated by reference contain statements that constitute “forward-looking statements” within the meaning of Section 21E of the Exchange Act, with respect to our financial condition, results of operations, business strategies, operating efficiencies, competitive positions, growth opportunities, plans and objectives of our management, as well as the markets for our ordinary shares and the insurance and reinsurance sectors in general. Statements that include words such as “estimate,” “project,” “plan,” “intend,” “expect,” “anticipate,” “believe,” “would,” “should,” “could,” “seek,” “may” and similar statements of a future or forward-looking nature identify forward-looking statements for purposes of the federal securities laws or otherwise. All forward-looking statements are necessarily estimates or expectations, and not statements of historical fact, reflecting the best judgment of our management and involve a number of risks and uncertainties that could cause actual results to differ materially from those suggested by the forward-looking statements. These forward looking statements should, therefore, be considered in light of various important factors, including those set forth in this annual report and the documents incorporated by reference.

Factors that could cause actual results to differ materially from those suggested by the forward looking statements include:

• risks associated with implementing our business strategies and initiatives;

• risks that we may require additional capital in the future, which may not be available or may be available only on unfavorable terms;

• the adequacy of our loss reserves and the need to adjust such reserves as claims develop over time;

• risks relating to the availability and collectability of our reinsurance;

• changes and uncertainty in economic conditions, including interest rates, inflation, currency exchange rates, equity markets and credit conditions, which could affect our investment portfolio, our ability to finance future acquisitions and our profitability;

• losses due to foreign currency exchange rate fluctuations;

• increased competitive pressures, including the consolidation and increased globalization of reinsurance providers;

• emerging claim and coverage issues;

• lengthy and unpredictable litigation affecting assessment of losses and/or coverage issues;

• continued availability of exit and finality opportunities provided by solvent schemes of arrangement;

• loss of key personnel;

• the ability of our subsidiaries to distribute funds to us and the resulting impact on our liquidity;

• changes in our plans, strategies, objectives, expectations or intentions, which may happen at any time at management’s discretion;

• operational risks, including system or human failures and external hazards;

• the risk that ongoing or future industry regulatory developments will disrupt our business, or mandate changes in industry practices in ways that increase our costs, decrease our revenues or require us to alter aspects of the way we do business;

• risks relating to our acquisitions, including our ability to successfully price acquisitions, evaluate opportunities, address operational challenges and support our planned growth;

• risks relating to our ability to obtain regulatory approvals, including the timing, terms and conditions of any such approvals, and to satisfy other closing conditions in connection with our acquisition agreements, which could affect our ability to complete acquisitions;

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• risks relating to our life and annuities business, including mortality and morbidity rates, lapse rates, the performance of assets to support the insured liabilities, and the risk of catastrophic events;

• risks relating to the active underwriting businesses we have recently acquired or agreed to acquire, including unpredictability and severity of catastrophic events, failure of risk management and loss limitation methods, the risk of a ratings downgrade, cyclicality of demand and pricing in the insurance and reinsurance markets;

• our ability to implement our strategies relating to the active underwriting market;

• risks relating to our ability to structure our investments in a manner that recognizes our liquidity needs;

• tax, regulatory or legal restrictions or limitations applicable to us or the insurance and reinsurance business generally;

• changes in tax laws or regulations applicable to us or our subsidiaries, or the risk that we or one of our non-U.S. subsidiaries become subject to significant, or significantly increased, income taxes in the United States or elsewhere;

• changes in Bermuda law or regulation or the political stability of Bermuda; and

• changes in accounting policies or practices.

The factors listed above should be not construed as exhaustive and should be read in conjunction with the Risk Factors that are included in Item 1A below. We undertake no obligation to publicly update or review any forward looking statement, whether to reflect any change in our expectations with regard thereto, or as a result of new information, future developments or otherwise, except as required by law.

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PART I

ITEM 1.     BUSINESS

Company Overview

Enstar Group Limited, or Enstar, is a Bermuda-based holding company that was formed in 2001 and became publicly traded in 2007. We are listed on the NASDAQ Global Select Market under the ticker symbol “ESGR.” Our primary operating subsidiaries are located in Bermuda, the United Kingdom, the United States, Australia, and western Europe.

Our primary corporate objective is growing our net book value per share. We believe this is driven primarily by growth in our net earnings, which is in turn driven in large part by successfully completing new acquisitions, effectively managing companies and portfolios of business that we have acquired, and executing on our active underwriting strategies.

Our core focus is acquiring and managing insurance and reinsurance companies in run-off and portfolios of insurance and reinsurance business in run-off, and providing management, consulting and other services to the insurance and reinsurance industry. Since our formation, we have completed the acquisition of over 60 insurance and reinsurance companies and portfolios of insurance and reinsurance business and are now administering those businesses in run-off. This includes 13 Reinsurance to Close, or “RITC” transactions, with Lloyd’s of London insurance and reinsurance syndicates in run-off, whereby the portfolio of run-off liabilities is transferred from one Lloyd’s syndicate to another. In February 2013, we completed the acquisition of SeaBright Holdings, Inc., demonstrating our ability to acquire an underperforming live publicly quoted insurance company and place it into run-off. Until 2013, all but one of our acquisitions had been in the non-life run-off business, which for us generally includes property and casualty, workers’ compensation, asbestos and environmental, construction defect, marine, aviation and transit, and other closed business.

While our core focus remains the acquisition and management of non-life run-off business, we have recently diversified our business profile in two distinct ways: first, by significantly increasing our closed life and annuities business, and second, by entering into the active underwriting business.

Following our March 2011 acquisition of a small Irish-based closed life company, which was our first life acquisition, we continued to review the closed life business, and during the second half of 2012, we determined we would expand our global run-off strategy to include considering acquisitions of other closed-life insurance companies. In September 2012, we agreed to acquire the closed U.S. life and annuities operations of HSBC Holdings plc (which we now refer to as Pavonia), a transaction we completed on March 31, 2013.

We view the acquisition of these closed-life and annuities businesses as a natural extension of our run-off business, which has the potential to provide us with a more regular earnings and cash flow stream, which may, to a degree, counter some of the volatility inherent in our core non-life run-off business over the long term. Given the different economic, operating and management dynamics of closed life business from our other businesses, our strategy is to consider future life run-off acquisition opportunities in conjunction with a strategic partner or partners on a joint venture basis.

During 2013, we also expanded Enstar’s operations into the active underwriting business with the acquisition of Atrium Underwriting Group Limited (or Atrium) on November 25, 2013, and the acquisition of Arden Reinsurance Company Ltd (or Arden) on September 9, 2013. In July 2013, we announced the acquisition of Torus Insurance Holdings Limited (or Torus), which we expect to close during the first quarter of 2014.

Atrium’s wholly-owned subsidiary, Atrium Underwriters Ltd, manages and underwrites specialist insurance and reinsurance business for Lloyd’s Syndicate 609. Atrium’s wholly-owned subsidiary, Atrium 5 Ltd, provides approximately 25% of the underwriting capacity and capital to Syndicate 609, with the balance provided by traditional Lloyd’s Names. Arden provides reinsurance to Atrium 5 Ltd. through an approximately 65% quota share reinsurance arrangement, and is currently in the process of running off certain other discontinued businesses.

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Torus is an A- rated global specialty insurer with six wholly-owned insurance vehicles, including Lloyd’s Syndicate 1301.

We have entered the active underwriting business not only to provide an additional earnings stream, but also to enhance our ability to compete for non-life run-off and other acquisition targets by providing opportunities for us to offer renewal rights or loss portfolio reinsurance transactions in connection with these transactions, which may be attractive to certain vendors or may present alternative ways in which proposed transactions can be structured. Atrium was an attractive opportunity to us primarily because of its skilled underwriting and management teams and strong historical performance at Lloyd’s. Torus is a young company, formed in 2008, which has grown significantly but generally at the expense of its profitability. We believe Torus can be a successful global business following acquisition with a shift in its strategy to concentrate on profitable lines, reduce costs and enhance management.

While we believe the management of claims and control of expenses are Enstar’s core competencies, active underwriting is a new exposure for us. Accordingly, we have partnered with the Trident V funds (managed by Stone Point Capital LLC) in the acquisitions of Atrium, Arden and Torus, with Enstar taking 60% equity interests and Trident V taking 40% equity interests in each transaction. Stone Point Capital is a financial services-focused private equity firm that has significant experience investing in insurance and reinsurance companies and other insurance-related businesses, which we believe will be valuable in these active underwriting joint ventures.

Following our expansion into closed life run-off and active underwriting, we now have the following three segments of business that are each managed, operated and reported on differently: (i) non-life run-off; (ii) life and annuities; and (iii) active underwriting.

Strategy

We aim to maximize our growth in net book value per share by using the following strategies:

• Solidify Our Leadership Position in the Run-Off Market by Leveraging Management’s Experience and Relationships.    We continue to utilize the extensive experience and significant relationships of our senior management team to solidify our position as a leading run-off acquirer, which we expect will generate future growth opportunities for us.

• Professionally Manage Claims.    We manage claims made against companies and portfolios we own or manage in a professional and disciplined manner, relying on our in-house expertise as we seek to dispose of risks expeditiously and cost-effectively. We pay valid claims on a timely basis, while relying on well-documented policy terms and exclusions where applicable and litigation when necessary to defend against paying invalid claims under existing policies and reinsurance agreements.

• Commute Assumed Liabilities and Ceded Reinsurance Assets.    Using detailed claims analysis and actuarial projections, we negotiate with the policyholders of the insurance and reinsurance companies or portfolios we own or manage with a goal of commuting insurance and reinsurance liabilities for one or more agreed upon payments at a discount to the ultimate liability.

• Engage in Highly Disciplined Acquisition, Management and Reinsurance Practices across our Diverse Portfolio of Loss Reserves.    We utilize a disciplined approach designed to minimize risk and increase the probability of positive operating results from companies and portfolios we acquire or manage, being highly selective in reviewing potential acquisition targets and management engagements and focusing our investigation on risk exposures, claims practices and reserve requirements.

• Profitably Underwrite Selected Specialty Lines and Utilize our Active Underwriting Platforms to Enhance Future Opportunities.    We selectively underwrite in chosen specialty lines where we believe we can operate with competitive advantages, focusing on balancing risk exposures and selectively growing organically. Where strategically beneficial, we will seek to utilize our active underwriting platforms in ways that will help us achieve future growth opportunities in our run-off business.

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• Prudently Manage Investments and Capital.    In managing our investments and deploying our capital, we strive to achieve superior risk-adjusted returns with the objective of maximizing profitability and long-term growth in shareholder value, while recognizing our liquidity needs for future liabilities. We manage our investments in a manner that attempts to correlate the maturity and duration of our investment portfolio to our general liability profile. We manage our capital by aiming to deploy capital efficiently to acquisitions and to establish adequate loss reserves that we believe will protect against future adverse developments.

Recent Transactions

Our transactions take the form of either acquisitions of companies or portfolio transfers, where a reinsurance contract transfers risk from the insurance or reinsurance company to one of our companies. Acquisitions and portfolio transfers (also referred to as “significant new business”) completed since the beginning of 2011 are outlined below.

Acquisitions

The table below sets forth a summary of acquisitions that we have completed in the last three years or are in the process of completing. For a more detailed explanation of these acquisitions, refer to “Note 3 — Acquisitions” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K.

Acquisitions (2011 - Present)
Company Name	Date of Completion	Purchase Price	Fair Value of Net Assets Acquired	Goodwill/(Gain on Bargain Purchase)	Segment	Primary Nature of Business
Signed but not yet completed:
Torus Insurance Holdings Limited(1)	expected first quarter 2014	$692.0 million(2)	valuation pending	N/A	Active Underwriting	Global specialty insurer and Lloyd’s Syndicate 1301
Completed:
Atrium Underwriting Group   Limited(1)	November 25, 2013	$158.0 million	$119.2 million	$38.8 million	Active Underwriting	Managing agent for Lloyd’s Syndicate 609, a global specialty insurer; provides 25% of syndicate’s capital
Arden Reinsurance Company   Limited(1)	September 9, 2013	$79.6 million	$79.6 million	Nil	Active Underwriting(3)	U.S. casualty, credit and surety insurance; quota share provider to Atrium
The Pavonia Companies	March 31, 2013	$155.6 million	$155.6 million	Nil	Life and Annuities	U.S. and Canadian closed life insurance, reinsurance and annuities
SeaBright Holdings, Inc.	February 7, 2013	$252.1 million	$252.1 million	Nil	Non-life Run-off	U.S. workers’ compensation insurance
Clarendon Holdings, Inc.	July 12, 2011	$219.1 million	$219.1 million	Nil	Non-life Run-off	U.S. general liability and workers’ compensation insurance
Laguna Life Limited	March 25, 2011	$21.2 million	$34.3 million	$(13.1) million	Life and Annuities	Irish closed life insurance

(1) Enstar has a 60% interest in the acquired companies, with the Trident V funds (or Trident) owning a 40% interest. Trident is a holder of approximately 9.7% of our voting ordinary shares outstanding. James D. Carey, a senior principal of Stone Point Capital LLC (the manager of Trident), serves as a member of our Board of Directors.

(2) Enstar has agreed to fund its share of the purchase price through the issuance of 2,612,346 shares (which will consist of a combination of voting and non-voting shares) and the payment of $69.2 million in cash.

(3) Arden is considered part of our active underwriting segment with respect to its quota share reinsurance provided to Atrium, and is considered part of our non-life run-off segment with respect to its discontinued insurance business.

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Significant New Business

The table below sets forth a summary of significant new business transactions that we have signed or completed in the last three years. For a more detailed explanation of these transactions, refer to “Note 4 — Significant New Business” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K.

Significant New Business (2011 - Present)
Portfolio Name	Date of Completion	Liabilities Assumed / Assets Acquired	Segment	Primary Nature of Business
Signed but not yet completed:
Reciprocal of America (in Receivership)	expected second quarter 2014	$169.0 million	Non-life Run-off	U.S. workers’ compensation insurance
Completed:
Lloyd’s RITC — Shelbourne	January 1, 2014	$25.3 million	Non-life Run-off	Worldwide property and U.K. liability insurance
Lloyd’s RITC — Shelbourne	January 1, 2013	$51.4 million	Non-life Run-off	U.K. motor insurance
American Physicians Assurance   Corporation/APSpecialty Insurance   Company	April 23, 2013	$35.3 million	Non-life Run-off	U.S. workers’ compensation insurance
Claremont Liability Insurance Company	August 6, 2012 / December 17, 2012	$38.0 million	Non-life Run-off	U.S. construction defect reinsurance
Zurich Insurance Company — Danish   Branch	June 30, 2012	$60.0 million	Non-life Run-off	Danish disability insurance and commercial reinsurance
Lloyd’s RITC — Shelbourne	January 1, 2012	$116.5 million	Non-life Run-off	Worldwide property and liability reinsurance
Lloyd’s RITC — Shelbourne	December 31, 2012	$313.3 million	Non-life Run-off	U.K. property and liability insurance
Insurance Australia Group(1)	September 20, 2011	$10.0 million	Non-life Run-off	International reinsurance
Claremont Liability Insurance Company	September 1, 2011	$22.5 million	Non-life Run-off	U.S. construction defect reinsurance
Lloyd’s RITC — Shelbourne	February 28, 2011	$129.6 million	Non-life Run-off	Worldwide marine and non-marine property and casualty insurance

(1) Enstar has a 70% economic interest in the acquired companies, with J.C. Flowers Fund II, L.P owning a 30% non-voting economic interest.

Operating Segments

We have three business segments: (i) non-life run-off, (ii) life and annuities, and (iii) active underwriting. These segments are described below. For additional information and financial data relating to our segments, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Segment Reporting” beginning on page 83 and “Note 22 — Segment Information” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K.

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The below chart highlights the percentage of the aggregate total of our gross losses and loss adjustment expense liabilities and policy benefits for life and annuity contracts accounted for by each of our segments:

* Enstar has a 60% interest in the companies within the active underwriting segment, with Trident owning the remaining 40%.

Non-life Run-off

Our non-life run-off segment comprises the operations of our subsidiaries that are running off their property and casualty and other non-life lines of business. It also includes our smaller management business, in which we manage the run-off portfolios of third parties through our service companies.

In the primary (or direct) insurance business, the insurer assumes risk of loss from persons or organizations that are directly subject to the given risks. In the reinsurance business, the reinsurer agrees to indemnify an insurance or reinsurance company, referred to as the ceding company, against all or a portion of the insurance risks arising under the policies the ceding company has written or reinsured. When an insurer or reinsurer stops writing new insurance business, either entirely or with respect to a particular line of business, the insurer, reinsurer, or the line of discontinued business is in run-off.

The insurance industry continues to experience significant consolidation. As a result of this consolidation and other factors, the remaining participants in the industry often have portfolios of business that are either inconsistent with their core competency or provide excessive exposure to a particular risk or segment of the market (i.e., workers compensation, property/casualty, asbestos, environmental, director and officer liability, etc.). These non-core and/or discontinued portfolios are often associated with potentially large exposures and lengthy time periods before resolution of the last remaining insured claims, resulting in significant uncertainty to the insurer or reinsurer covering those risks. These factors can distract management, drive up the cost of capital and surplus for the insurer or reinsurer, and negatively impact the insurer’s or reinsurer’s credit rating, which makes the disposal of the unwanted company or portfolio an attractive option. Alternatively, the insurer may wish to maintain the business on its balance sheet, yet not divert significant management attention to the run-off of the portfolio. The insurer or reinsurer, in either case, is likely to engage a third party that specializes in run-off management, such as us, to purchase or manage the company or portfolio in run-off.

In the sale of a company in run-off, a purchaser, such as us, may pay a discount to the book value of the company based on the risks assumed and the relative value to the seller of no longer having to manage the company in run-off. Such a transaction can be beneficial to the seller because it receives an up-front payment for the company, eliminates the need for its management to devote any attention to the disposed company and

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removes the risk that the established reserves related to the run-off business may prove to be inadequate. The seller is also able to redeploy its management and financial resources to its core businesses.

In some situations, an insurer or reinsurer may wish to divest itself of a portfolio of non-core legacy business that may have been underwritten alongside other ongoing core business that the insurer or reinsurer does not want to dispose of. In such instances, we are able to provide economic finality for the insurer or reinsurer by providing a loss portfolio reinsurance contract to protect the insurer or reinsurer against deterioration of the non-core portfolio of loss reserves.

Alternatively, if the insurer or reinsurer hires a third party, such as us, to manage its run-off business, the insurer or reinsurer will, unlike in a sale of the business, receive little or no cash up front. Instead, the management arrangement may provide that the insurer or reinsurer will retain the profits, if any, derived from the run-off with certain incentive payments allocated to the run-off manager. By hiring a run-off manager, the insurer or reinsurer can outsource the management of the run-off business to experienced and capable individuals, while allowing its own management team to focus on the insurer’s or reinsurer’s core businesses.

Overall, the focus of our non-life run-off segment is to acquire new companies or portfolios in run-off and to effectively manage the business previously acquired, in each case in ways that further our primary corporate objective.

Acquisition Process

We evaluate each acquisition opportunity presented by carefully reviewing the portfolio’s risk exposures, claim practices, reserve requirements and outstanding claims, and may seek an appropriate discount and/or seller indemnification to reflect the uncertainty contained in the portfolio’s reserves. Based on this initial analysis, we can determine if a company or portfolio of business would add value to our current portfolio of run-off business. If we determine to pursue the purchase of a company in run-off, we then proceed to price the acquisition in a manner we believe will result in positive operating results based on certain assumptions including, without limitation, our ability to favorably resolve claims, negotiate with direct insureds and reinsurers, and otherwise manage the nature of the risks posed by the business.

At the time we acquire a company in run-off, we estimate the fair value of liabilities acquired based on external actuarial advice, as well as our own views of the exposures assumed. While we earn a larger share of our total return on an acquisition from disciplined claims management and/or commuting the liabilities that we have assumed, we also try to maximize reinsurance recoveries on the assumed portfolio of business.

Run-off Management

Following the purchase of a company in run-off, or acquisition of a portfolio of business in run-off, or a new consulting engagement to manage a company in run-off or portfolio of business, we strive to conduct the run-off in a disciplined and professional manner in order to efficiently discharge the liabilities associated with the business while preserving and maximizing its assets. Our approach to managing our acquired companies and portfolios of business in run-off, as well as run-off companies or portfolios of businesses we manage on behalf of third-party clients, includes, where possible, negotiating with third-party insureds and reinsureds to commute their insurance or reinsurance agreement (sometimes called policy buy-backs) for an agreed upon up-front payment by us, or the third-party client, and to more efficiently manage payment of insurance and reinsurance claims. We attempt to commute policies with direct insureds or reinsureds in order to eliminate uncertainty over the amount of future claims. Commutations and policy buy-backs provide an opportunity for the company to exit exposures to certain policies and insureds generally at a discount to the ultimate liability and provide the ability to eliminate exposure to further losses. Such a strategy also contributes to the reduction in the length of time and future cost of the run-off.

In certain lines of business, such as direct workers’ compensation insurance, commutations and policy buy-back opportunities are not typically available and our strategy with respect to these businesses is to derive value through efficient and effective management of claims.

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An integral factor to our success is our ability to analyze, administer, manage and settle claims and related expenses, such as loss adjustment expenses. Our claims teams are located in different offices within our organization and provide global claims support. We have implemented effective claims handling guidelines along with claims reporting and control procedures in all of our claims units. All claims matters are reviewed regularly, with all material claims matters being circulated to and authorized by management prior to any action being taken in furtherance of our goal of appropriately handling claims and reporting them in accordance with our guidelines. Our claims management processes also include utilizing our extensive relationships and developed protocols to more efficiently manage outside counsel and other third parties, thereby reducing expenses. With respect to certain lines of business, we have arrangements with third-party administrators to manage and pay claims on our subsidiaries’ behalf and advise with respect to case reserves. These agreements generally set forth the duties of the third party administrators, limits of authority, indemnification language designed for our protection and various procedures relating to compliance with laws and regulations. These arrangements are also subject to review by our relevant claims departments, and we monitor these administrators on an ongoing basis.

Following the acquisition of a company in run-off, or acquisition of a portfolio of business in run-off, or new consulting engagement, we will spend time analyzing the acquired exposures and reinsurance receivables on a policyholder-by-policyholder basis in order to identify those we wish to approach to discuss commutation or policy buy-back. In addition, we will often be approached by policyholders or reinsurers requesting commutation or policy buy-back. We then carry out a full analysis of the underlying exposures in order to determine the viability of a proposed commutation or policy buy-back. From the initial analysis of the underlying exposures it may take several months, or even years, before a commutation or policy buy-back is completed. In a number of cases, if we and the policyholder or reinsurer are unable to reach a commercially acceptable settlement, the commutation or policy buy-back may not be achievable, in which case we will continue to settle valid claims from the policyholder, or collect reinsurance receivables from the reinsurer, as they become due.

Certain insureds and reinsureds are often willing to commute with us, subject to receiving an acceptable settlement, as this provides certainty of recovery of what otherwise may be claims that are disputed in the future, and often provides a meaningful up-front cash receipt that, with the associated investment income, can provide funds to meet future claim payments or even commutation of their underlying exposure. Therefore, subject to negotiating an acceptable settlement, our insurance and reinsurance liabilities and reinsurance receivables are able to be either commuted or settled by way of policy buy-back over time.

With regard to reinsurance recoverables, we manage cash flow by working with reinsurers, brokers and professional advisors to achieve fair and prompt payment of reinsured claims, taking appropriate legal action to secure receivables where necessary. We also attempt where appropriate to negotiate favorable commutations with our reinsurers by securing a lump sum settlement from reinsurers in complete satisfaction of the reinsurer’s past, present and future liability in respect of such claims. Properly priced commutations reduce the expense of adjusting direct claims and pursuing collection of reinsurance, realize savings, remove the potential future volatility of claims and reduce required regulatory capital.

Consulting Services

We provide consultancy services to third parties in the insurance and reinsurance industry primarily through our subsidiaries, the Cranmore companies, Enstar Limited, Enstar (US), Inc., Kinsale Brokers Limited and Shelbourne Syndicate Services Limited. The services we provide range from full-service incentive-based or fixed fee run-off management to bespoke solutions such as claims inspection, claims validation, reinsurance asset collection and IT consulting services. Paladin Managed Care Services, Inc., acquired in the SeaBright transaction, provides medical bill review, utilization review, physician case management and related services in the workers’ compensation area. In addition to third-party engagements, our consultancy companies also perform these services in-house for our Enstar companies, using their expertise to assist in managing our run-off portfolios and performing certain due diligence matters relating to new acquisitions.

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Reserves for Unpaid Losses and Loss Adjustment Expense

Applicable insurance laws and regulations and generally accepted accounting practices require us to maintain reserves to cover our estimated losses under insurance policies that we have assumed and for loss adjustment expenses, or LAE, relating to the investigation, administration and settlement of policy claims. Our LAE reserves consist of both reserves for allocated loss adjustment expenses, or ALAE, and for unallocated loss adjustment expenses, or ULAE. ALAE are linked to the settlement of an individual claim or loss, whereas ULAE reserve is based on our estimates of future costs to administer the claims.

We and our subsidiaries establish losses and LAE reserves for individual claims by evaluating reported claims on the basis of:

• our knowledge of the circumstances surrounding the claim;

• the severity of the injury or damage;

• the jurisdiction of the occurrence;

• the potential for ultimate exposure;

• the type of loss; and

• our experience with the line of business and policy provisions relating to the particular type of claim.

Because a significant amount of time can lapse between the assumption of risk, the occurrence of a loss event, the reporting of the event to an insurance or reinsurance company and the ultimate payment of the claim on the loss event, the liability for unpaid losses and LAE is based largely upon estimates. Our management must use considerable judgment in the process of developing these estimates. The liability for unpaid losses and LAE for property and casualty business includes amounts determined from loss reports on individual cases and amounts for losses incurred but not reported, or IBNR. Such reserves, including IBNR reserves, are estimated by management based upon loss reports received from ceding companies, supplemented by our own estimates of losses for which no ceding company loss reports have yet been received.

In establishing reserves, management also considers actuarial estimates of ultimate losses. Our independent actuaries employ generally accepted actuarial methodologies and procedures to estimate ultimate losses and loss adjustment expenses. Our loss reserves are largely related to casualty exposures and include latent exposures primarily relating to asbestos and environmental, as discussed below. In establishing the reserves for unpaid claims, management considers facts currently known and the current state of the law and coverage litigation. Liabilities are recognized for known claims (including the cost of related litigation) when sufficient information has been developed to indicate the involvement of a specific insurance policy, and management can reasonably estimate its liability. In addition, reserves are established to cover loss development related to both known and unasserted claims.

The estimation of unpaid claim liabilities is subject to a high degree of uncertainty for a number of reasons. Unpaid claim liabilities for property and casualty exposures in general are impacted by changes in the legal environment, jury awards, medical cost trends and general inflation. Moreover, for latent exposures in particular, developed case law and adequate claims history do not exist. There is significant coverage litigation involved with these exposures which creates further uncertainty in the estimation of the liabilities. Therefore, for these types of exposures, it is especially unclear whether past claim experience will be representative of future claim experience. Ultimate values for such claims cannot be estimated using reserving techniques that extrapolate losses to an ultimate basis using loss development factors, and the uncertainties surrounding the estimation of unpaid claim liabilities are not likely to be resolved in the near future. There can be no assurance that the reserves established by us will be adequate or will not be adversely affected by the development of other latent exposures. The actuarial methods used to estimate ultimate loss and ALAE for our latent exposures are discussed below.

For the non-latent loss exposures, a range of traditional loss development extrapolation techniques is applied. Incremental paid and incurred loss development methodologies are the most commonly used methods. Traditional

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cumulative paid and incurred loss development methods are used where inception-to-date, cumulative paid and reported incurred loss development history is available. These methods assume that groups of losses from similar exposures will increase over time in a predictable manner. Historical paid and incurred loss development experience is examined for earlier underwriting years to make inferences about how later underwriting years’ losses will develop. Where company-specific loss information is not available or not reliable, industry loss development information published by reliable industry sources such as the Reinsurance Association of America is considered.

The reserving process is intended to reflect the impact of inflation and other factors affecting loss payments by taking into account changes in historical payment patterns and perceived trends. However, there is no precise method for the subsequent evaluation of the adequacy of the consideration given to inflation, or to any other specific factor, or to the way one factor may affect another.

The loss development tables below show changes, for our non-life run-off segment, in our gross and net loss reserves in subsequent years from the prior loss estimates based on experience as of the end of each succeeding year. The estimate is increased or decreased as more information becomes known about the frequency and severity of losses for individual years. A redundancy means the original estimate was higher than the current estimate; a deficiency means that the current estimate is higher than the original estimate. The “Reserve redundancy” line represents, as of the date indicated, the difference between the latest re-estimated liability and the reserves as originally estimated.

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Gross Losses and Loss Adjustment Expense Reserves	December 31,
	2003			2004		2005			2006			2007		2008		2009		2010		2011		2012		2013
	(in thousands of U.S. dollars)
Reserves assumed	$	381,531		$	1,047,313	$	806,559		$	1,214,419		$	1,591,449	$	2,798,287	$	2,479,136	$	3,291,275	$	4,272,082	$	3,650,127	$	4,004,513
1 year later		365,913			900,274		909,984			1,227,427			1,436,051		2,661,011		2,237,124		3,057,032		3,980,811		3,447,375
2 years later		284,583			1,002,773		916,480			1,084,852			1,358,900		2,422,291		2,039,141		2,907,956		3,760,339
3 years later		272,537			1,012,483		853,139			1,020,755			1,284,304		2,245,557		1,943,121		2,748,708
4 years later		243,692			953,834		778,216			949,595			1,235,982		2,160,144		1,878,606
5 years later		216,875			879,504		733,151			905,043			1,216,989		2,110,715
6 years later		204,875			835,488		717,413			889,681			1,206,093
7 years later		195,795			820,168		715,574			881,416
8 years later		190,281			819,018		719,867
9 years later		188,831			823,429
10 years later		186,425
Reserve redundancy	$	195,106		$	223,884	$	86,692		$	333,003		$	385,356	$	687,572	$	600,530	$	542,567	$	511,682	$	202,752	$	—
	December 31,
Gross Paid Losses	2003			2004		2005			2006			2007		2008		2009		2010		2011		2012		2013
	(in thousands of U.S. dollars)
1 year later	$	19,260		$	110,193	$	117,666		$	90,185		$	407,692	$	364,440	$	377,159	$	430,284	$	699,487	$	463,052	$	—
2 years later		43,082			226,225		198,407			197,751			575,522		727,205		575,814		808,213		1,091,516
3 years later		61,715			305,913		268,541			353,032			688,946		912,401		768,828		1,050,863
4 years later		75,609			375,762		402,134			423,731			726,332		1,095,603		898,643
5 years later		87,274			509,319		442,624			455,414			772,070		1,216,762
6 years later		101,958			549,033		458,532			481,114			822,094
7 years later		108,901			564,900		477,456			527,804
8 years later		111,350			583,225		515,762
9 years later		113,636			621,418
10 years later		117,430
Net Losses and Loss Adjustment Expense Reserves	December 31,
	2003			2004		2005			2006			2007		2008		2009		2010		2011		2012		2013
	(in thousands of U.S. dollars)
Reserves assumed	$	230,155		$	736,660	$	593,160		$	872,259		$	1,163,485	$	2,403,712	$	2,131,408	$	2,765,835	$	2,889,079	$	2,773,907	$	2,882,980
1 year later		220,712			653,039		590,153			875,636			1,034,588		2,216,928		1,851,268		2,533,710		2,731,215		2,524,247
2 years later		164,319			652,195		586,059			753,551			950,739		1,940,472		1,673,922		2,422,811		2,486,405
3 years later		149,980			649,355		532,804			684,999			874,961		1,783,372		1,596,536		2,274,204
4 years later		136,611			600,939		454,933			611,182			816,039		1,719,195		1,527,355
5 years later		108,666			531,666		408,270			557,109			797,815		1,664,375
6 years later		104,127			485,392		388,471			543,052			782,676
7 years later		92,972			466,303		385,410			531,279
8 years later		87,451			464,060		386,128
9 years later		85,428			464,899
10 years later		82,673
Reserve redundancy	$	147,482		$	271,761	$	207,032		$	340,980		$	380,809	$	739,337	$	604,053	$	491,631	$	402,674	$	249,660	$	—
	Year Ended December 31,
Net Paid Losses	2003			2004		2005			2006			2007		2008		2009		2010		2011		2012		2013
	(in thousands of U.S. dollars)
1 year later	$	11,354		$	78,488	$	79,398		$	43,896		$	112,321	$	247,823	$	250,635	$	313,642	$	326,110	$	209,221
2 years later		6,312			161,178		125,272			(70,430	)		243,146		480,102		381,820		601,029		471,195
3 years later		9,161			206,351		(14,150	)		58,228			324,735		603,875		530,845		805,020
4 years later		(1,803	)		67,191		102,776			108,109			347,215		752,318		640,974
5 years later		2,515			184,150		132,405			128,567			376,674		857,605
6 years later		11,348			212,822		143,252			150,412			419,383
7 years later		11,808			223,944		158,503			191,829
8 years later		13,463			238,658		191,589
9 years later		14,122			271,647
10 years later		17,430

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The following table provides a reconciliation of the liability for losses and LAE, net of reinsurance ceded for our non-life run-off segment:

	Years Ended December 31, 2013
	2013			2012			2011
	(in thousands of U.S. dollars)
Balance as at January 1(1)	$	3,650,127		$	4,272,082		$	3,291,275
Less: total reinsurance reserves recoverable		876,220			1,383,003			525,440
		2,773,907			2,889,079			2,765,835
Net increase (reduction) in ultimate losses and loss adjustment expense liabilities:
Current period		74,139			—			—
Prior periods		(257,114	)		(237,953	)		(293,461	)
Total net reduction in ultimate losses and loss adjustment expense liabilities		(182,975	)		(237,953	)		(293,461	)
Net losses paid:
Current period		(10,656	)		—			—
Prior periods		(360,214	)		(314,528	)		(288,175	)
Total net losses paid		(370,870	)		(314,528	)		(288,175	)
Effect of exchange rate movement		4,936			14,833			(7,987	)
Acquired on purchase of subsidiaries		557,476			—			600,046
Assumed business		100,506			422,476			112,821
Net balance as at December 31		2,882,980			2,773,907			2,889,079
Plus: total reinsurance reserves recoverable		1,121,533			876,220			1,383,003
Balance as at December 31	$	4,004,513		$	3,650,127		$	4,272,082

(1) We reclassified $11.0 million of reserves acquired on purchase of subsidiaries previously recorded in 2011 to policy benfits for life and annuity contracts. In addition, we have reclassified outstanding losses and loss adjustment expenses of $11.0 million and $10.8 million to policy benefits for life and annuity contracts as at January 1, 2013 and 2012, respectively, to conform to the current period presentation. These amounts are associated with Laguna, which now forms part of our life and annuities segment that was established following the acquisition of the Pavonia companies.

In the table above, net reduction in ultimate losses and loss adjustment expense liabilities represents changes in estimates of prior period net losses and loss adjustment expense liabilities comprising net incurred loss movements during the period and changes in estimates of net IBNR liabilities. Net incurred loss movements during the period comprise increases or reductions in specific case reserves advised during the period to us by our policyholders and attorneys, or by us to our reinsurers, less claims settlements made during the period by us to our policyholders, plus claim receipts made to us by our reinsurers. Prior period estimates of net IBNR liabilities may change as our management considers the combined impact of commutations, policy buy-backs, settlement of losses on carried reserves and the trend of incurred loss development compared to prior forecasts.

Commutations provide an opportunity for us to exit exposures to entire policies with insureds and reinsureds, often at a discount to the previously estimated ultimate liability. Commutations are beneficial to us as they extinguish liabilities and reduce the potential for future adverse loss development. All prior historical loss development that relates to commuted exposures is eliminated to produce revised historical loss development for the remaining non-commuted exposures. Our independent actuaries apply their actuarial methodologies to the remaining aggregate exposures and revised historical loss development information to reassess their estimates of ultimate liabilities, and, after management’s review of and, if necessary, adjustments to those estimates, we reassess our estimate of IBNR reserves.

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Policy buy-backs provide an opportunity for us to settle individual policies and losses usually at a discount to carried advised loss reserves. As part of our routine claims settlement operations, claims will settle at either below or above the carried advised loss reserve. The impact of policy buy-backs and the routine settlement of claims updates historical loss development information to which actuarial methodologies are applied often resulting in revised estimates of ultimate liabilities. Our actuarial methodologies include industry benchmarking which, under certain methodologies compares the trend of our loss development to that of the industry. To the extent that the trend of our loss development compared to the industry changes in any period, it is likely to have an impact on the estimate of ultimate liabilities.

The following table provides a reconciliation between net reserve redundancy per the loss development triangle on page 14 and total net reduction in ultimate losses and loss adjustment expense liabilities in our non-life run-off segment for the years ended December 31, 2013, 2012 and 2011:

	Years Ended December 31,
	2013			2012			2011
	(in millions of U.S. dollars)
Net reserve redundancy	$	249.7		$	157.9		$	232.1
Foreign exchange movement		(0.2	)		14.8			(8.0	)
Net reduction in ultimate losses and loss adjustment expense liabilities relating to companies and portfolios acquired during the year		13.4			(2.1	)		18.0
Premium and commission adjustments triggered by incurred losses		(5.8	)		22.6			28.9
Claremont novation settlement		—			44.8			22.5
Net reduction in ultimate losses and loss adjustment expense liabilities	$	257.1		$	238.0		$	293.5

Information regarding net reduction in ultimate losses and loss adjustment expense liabilities for our non-life run-off segment is discussed further in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Results of Operations by Segment – Non-Life Run-Off Segment.”

General A&E Exposures

A number of our subsidiaries wrote general liability policies and reinsurance (prior to their acquisition by us) under which policyholders continue to present asbestos-related injury claims and claims alleging injury, damage or clean-up costs arising from environmental pollution. These policies, and the associated claims, are referred to as A&E exposures. The vast majority of these claims are presented under policies written many years ago.

There is a great deal of uncertainty surrounding A&E claims. This uncertainty impacts the ability of insurers and reinsurers to estimate the ultimate amount of unpaid claims and related LAE. The majority of these claims differ from any other type of claim because there is inadequate loss development and there is significant uncertainty regarding what, if any, coverage exists, to which, if any, policy years claims are attributable and which, if any, insurers/reinsurers may be liable. These uncertainties are exacerbated by lack of clear judicial precedent and legislative interpretations of coverage that may be inconsistent with the intent of the parties to the insurance contracts and expand theories of liability. The insurance and reinsurance industry as a whole is engaged in extensive litigation over these coverage and liability issues and is, thus, confronted with continuing uncertainty in its efforts to quantify A&E exposures.

Our A&E exposure is administered out of our offices in the United Kingdom and Rhode Island and centrally administered from the United Kingdom. In light of the intensive claim settlement process for these claims, which involves comprehensive fact gathering and subject matter expertise, our management believes that it is prudent to have a centrally administered claim facility to handle A&E claims on behalf of all of our subsidiaries. Our A&E claims staff, working in conjunction with our in-house attorneys experienced in A&E liabilities, proactively administers, on a cost-effective basis, the A&E claims submitted to our insurance and reinsurance subsidiaries.

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Our independent, external actuaries use industry benchmarking methodologies to estimate appropriate IBNR reserves for our A&E exposures. These methods are discussed in detail in “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations – Critical Accounting Policies – Losses and Loss Adjustment Expenses”.

The liability for unpaid losses and LAE, inclusive of A&E reserves, reflects our best estimate for future amounts needed to pay losses and related LAE as of each of the balance sheet dates reflected in the financial statements herein in accordance with U.S. GAAP. As of December 31, 2013, we had net loss reserves of $405.3 million for asbestos-related claims and $75.5 million for environmental pollution-related claims. The following table provides a reconciliation of our gross and net loss and ALAE reserves from A&E exposures and the movement in gross and net reserves:

	Year Ended December 31,
	2013						2012						2011
	Gross			Net			Gross			Net			Gross			Net
	(in thousands of U.S. dollars)
Provisions for A&E claims and ALAE at January 1	$	628,643			557,551		$	702,801			621,487		$	825,212		$	736,172
A&E losses and ALAE incurred during the year		(15,512	)		(15,594	)		(308	)		(5,882	)		(61,120	)		(81,286	)
A&E losses and ALAE paid during the year		(88,984	)		(74,208	)		(73,850	)		(58,054	)		(61,291	)		(33,399	)
Provision for A&E claims and ALAE acquired during the year		15,347			13,116			—			—			—			—
Provision for A&E claims and ALAE at December 31	$	539,494		$	480,865		$	628,643		$	557,551		$	702,801		$	621,487

During 2013, 2012 and 2011, excluding the impact of loss reserves acquired during the year, our reserves for A&E liabilities decreased by $89.2 million, $74.2 million and $122.4 million on a gross basis, respectively, and by $76.7 million, $63.9 million and $114.7 million on a net basis, respectively. The reductions in gross reserves arose from paid claims, successful commutations, policy buy-backs, generally favorable claim settlements during the year and reductions in IBNR resulting from actuarial analysis of remaining liabilities.

Asbestos continues to be the most significant and difficult mass tort for the insurance industry in terms of claims volume and expense. We believe that the insurance industry has been adversely affected by judicial interpretations that have had the effect of maximizing insurance recoveries for asbestos claims, from both a coverage and liability perspective. Generally, only policies underwritten prior to 1986 have potential asbestos exposure, since most policies underwritten after this date contain an absolute asbestos exclusion.

From 2001 through 2003 the industry experienced increasing numbers of asbestos claims, including claims from individuals who did not appear to be impaired by asbestos exposure. Since 2003, however, new claim filings have been fairly stable. It is possible that the increases observed in the early part of the decade were triggered by various state tort reforms (discussed immediately below). We cannot predict whether claim filings will return to pre-2004 levels, remain stable, or begin to decrease.

Since 2001, several U.S. states have proposed, and in many cases enacted, tort reform statutes that impact asbestos litigation by, for example, making it more difficult for a diverse group of plaintiffs to jointly file a single case, reducing “forum-shopping” by requiring that a potential plaintiff must have been exposed to asbestos in the state in which he/she files a lawsuit, or permitting consolidation of discovery. These statutes typically apply to suits filed after a stated date. When a statute is proposed or enacted, asbestos defendants often experience a marked increase in new lawsuits, as plaintiffs’ attorneys seek to file suit before the effective date of the legislation. Some of this increased claim volume likely represents an acceleration of valid claims that would have been brought in the

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future, while some claims will likely prove to have little or no merit. As many of these claims are still pending, we cannot predict what portion of the increased number of claims represent valid claims. Also, the acceleration of claims increases the uncertainty surrounding projections of future claims in the affected jurisdictions.

During the same timeframe as tort reform, the U.S. federal and various U.S. state governments sought comprehensive asbestos reform to manage the growing court docket and costs surrounding asbestos litigation, in addition to the increasing number of corporate bankruptcies resulting from overwhelming asbestos liabilities. Whereas the federal government has failed to establish a national asbestos trust fund to address the asbestos problem, several states, including Texas and Florida, have implemented a medical criteria reform approach that only permits litigation to proceed when a plaintiff can establish and demonstrate actual physical impairment.

Much like tort reform, asbestos litigation reform has also spurred a significant increase in the number of lawsuits filed in advance of the law’s enactment. We cannot predict whether the drop off in the number of filed claims is due to the accelerated number of filings or an actual trend in the decline of alleged asbestos injuries.

Environmental Pollution Exposures

Environmental pollution claims represent another significant exposure for us. However, environmental pollution claims have been developing as expected over the past few years as a result of stable claim trends. Claims against Fortune 500 companies are generally declining, and while insureds with single-site exposures are still active, in many cases claims are being settled for less than initially anticipated due to improved site remediation technology and effective policy buy-backs.

Despite the stability of recent trends, there remains significant uncertainty involved in estimating liabilities related to these exposures. Unlike asbestos claims which are generated primarily from allegedly injured private individuals, environmental claims generally result from governmentally initiated activities. First, the number of waste sites subject to cleanup is unknown. Approximately 1,313 sites are included on the National Priorities List (NPL) of the United States Environmental Protection Agency. State authorities have separately identified many additional sites and, at times, aggressively implement site cleanups. Second, the liabilities of the insureds themselves are difficult to estimate. At any given site, the allocation of remediation cost among the potentially responsible parties varies greatly depending upon a variety of factors. Third, as with asbestos liability and coverage issues, judicial precedent regarding liability and coverage issues regarding pollution claims does not provide clear guidance. There is also uncertainty as to the U.S. federal “Superfund” law itself and, at this time, we cannot predict what, if any, reforms to this law might be enacted by the U.S. federal government, or the effect of any such changes on the insurance industry.

Other Latent Exposures

While we do not view health hazard exposures such as silica and tobacco as becoming a material concern, recent developments in lead litigation have caused us to watch these matters closely. Recently, municipal and state governments have had success, using a public nuisance theory, pursuing the former makers of lead pigment for the abatement of lead paint in certain home dwellings. As lead paint was used almost exclusively into the early 1970’s, large numbers of old housing stock contain lead paint that can prove hazardous to people and, particularly, children. Although governmental success has been limited thus far, we continue to monitor developments carefully due to the size of the potential awards sought by plaintiffs.

Life and Annuities

Our life and annuities segment consists of the operations of our subsidiaries managing our closed-block of life and annuity business, which primarily consists of the companies we acquired in the Pavonia acquisition on March 31, 2013. The Pavonia business operates out of our New Jersey office. The segment also includes Laguna Life Limited, a small Irish-based closed-life company formerly known as CitiLife Financial Limited, which we acquired from Citigroup Insurance Holding Corporation in 2011.

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Similar to our non-life run-off segment, our life and annuities companies are no longer writing new policies, however, unlike that segment, these companies continue to generate premiums with respect to their in-force policies.

Our life and annuities companies primarily include credit life and disability insurance, term life insurance, corporate owned life insurance, assumed reinsurance of term and ordinary life and accidental death and dismemberment products, and periodic payment annuities such as structured settlement, lottery, and other immediate annuities.

Our strategy in the life and annuities segment differs from our non-life business, in particular because we are unable to shorten the duration of the liabilities of these businesses through commutations or policy buy-backs. Instead, we hold the policies to their natural maturity, while aiming to efficiently manage our invested assets in those businesses to match the duration and cash flows of the liability profile. The segment brings diversification to our loss reserve base, and we believe it has the potential to provide us with a long-term earnings and cash flow stream that may counter some of the volatility in our core non-life run-off segment. We expect the market for discontinued life and annuity businesses will continue to increase, and we, along with any potential strategic partners, will continue to selectively evaluate opportunities to acquire well performing closed blocks of business.

Life and Annuity Benefits and Claims Reserves

We estimate our life and annuity benefit and claim reserves on a present value basis using standard actuarial techniques and cash flow models. We establish and maintain our life and annuity reserves at a level that we estimate will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable.

The table below summarizes our policy benefits for life and annuity contracts as at December 31, 2013 and 2012:

	2013			2012
	(In thousands of U.S. dollars)
Life	$	380,874		$	11,027
Annuities		963,323			—
		1,344,197			11,027
Fair value adjustments		(71,097	)		—
	$	1,273,100		$	11,027

See the “Life and Annuity Policy Benefits” discussion on pages 83 and 94 of “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operation” for discussion of our reserves in this segment.

Active Underwriting

Our active underwriting segment is comprised of Atrium and its subsidiaries and Arden. Generally speaking, Atrium will continue to operate in accordance with the underwriting and other business strategies established pre-acquisition, although we and Trident will continually review these strategies and business goals and expect to develop synergies with our existing business operations over time.

Following the closing of the Torus Amalgamation, this segment will also include substantially all of the activities of Torus Insurance Holdings Limited and its subsidiaries (some of Torus’ lines of business are in run-off and will accordingly be accounted for within our non-life run-off segment). Once we acquire Torus, we intend to evaluate its underwriting and other business strategies in order to determine which lines we can competitively and profitably underwrite. We expect to actively manage the run-off of discontinued lines, and we will seek to optimize expenses and enhance management.

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The acquisitions of these active underwriting platforms provide further diversification to our overall portfolio and bring an additional stream of revenue and earnings. They also provide future growth opportunities, including by allowing us to potentially capture profitable books of business that are contained in run-off targets and to provide alternatives to companies pursuing divestitures that have previously been unavailable to us.

We have a 60% equity interest in Atrium and Arden, and will have a 60% equity interest in Torus following closing. We have partnered with Trident on each of these transactions, with Trident and its affiliates making 40% co-investments in each case. We believe that the Enstar-Trident partnership will combine our respective expertise to create operational synergies across the acquired companies, and will also reduce some of our risk exposure in the active underwriting segment.

Lines Written

Atrium and its subsidiaries are an underwriting business at Lloyd’s of London, which manages Syndicate 609 and provides approximately 25% of the syndicate’s underwriting capacity and capital (with the balance provided by traditional Lloyd’s Names). Syndicate 609 provides insurance and reinsurance on a worldwide basis for a wide range of industry classes, including the United States, Europe, and the Far East. Atrium specializes in accident and health, aviation, marine property, non-marine property, professional liability, property and casualty binding authorities, reinsurance, upstream energy, war and terrorism insurance, cargo and fine art.

Arden is a Bermuda-based reinsurance company that provides reinsurance to Atrium (through an approximately 65% quota share reinsurance arrangement with Atrium 5 Ltd, an Atrium subsidiary) and is currently in the process of running off certain other discontinued businesses. Results related to Arden’s discontinued business are included within our non-life run-off segment.

Torus is a global specialty insurer and holding company of six wholly-owned insurance vehicles, including Lloyd’s Syndicate 1301. (Torus also owns Lloyd’s Syndicate 2243, which was placed into run-off effective January 1, 2013; business written by Torus through Syndicate 2243 is renewed through Syndicate 1301.) Torus conducts its business primarily as a direct insurer, underwriting general property, casualty, marine, energy, construction, power and utility, aviation, and space risks, as well as professional liability and management liability. Torus also writes a reinsurance account (both treaty and facultative reinsurance depending on the line of business) in personal accident, property and certain classes of marine liabilities to insurance companies on a worldwide basis.

Managing Agency Services

Atrium receives a 20% profit commission based on the net earnings of syndicate 609, pursuant to its management contract. This profit commission is included within fees and commission income in our consolidated statement of earnings.

Distribution

Most of our business in this segment is placed (or, in the case of Torus, will be placed) through insurance and reinsurance brokers, although some of our insurance business is also placed through managing general agents. We seek to develop relationships with insurance and reinsurance brokers, insurance and reinsurance companies, large global corporations and financial intermediaries to develop and underwrite business. We had an ownership interest in Atrium for only a portion of the fourth quarter of 2013, but for the full year ended December 31, 2013, independent brokers Marsh Inc., Willis Group Holdings Ltd. and Aon Benfield Group Ltd. accounted for in excess of 28% of Atrium’s gross premiums written.

Claims Management

Claims in respect of business written by Syndicate 609 are primarily notified by various central market bureaus. Where a syndicate is a “leading” syndicate on a Lloyd’s policy, its underwriters and claims adjusters

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will work directly with the broker or insured on behalf of itself and the following market for any particular claim. This may involve appointing attorneys or loss adjusters. The claims bureaus and the leading syndicate advise movement in loss reserves to all syndicates participating on the risk. Our claims department may adjust the case reserves it records from those advised by the bureaus as deemed necessary.

Ratings

In our active underwriting segment, financial strength ratings are an important factor in establishing competitive position and in product marketing. Financial strength ratings by third party organizations provide an opinion of an insurer’s or reinsurer’s financial strength and ability to meet ongoing obligations to its policyholders. Lloyd’s ratings apply to business written through Syndicate 609 (and to business written through Torus’ Syndicate 1301). Lloyd’s is rated “A” (Excellent) by A.M. Best and “A+” (Strong) by Fitch Ratings and Standard and Poor’s. Torus’ operating insurance entities have been assigned a financial strength rating of “A-” (Excellent) by A.M. Best.

Following the announcement of the agreement to acquire Torus, its ratings were placed under review by A.M. Best with negative implication. A.M. Best stated it expects to resolve the under review status at a point after the completion of the transaction, following discussions with Enstar, Stone Point Capital, and Torus’ management. Refer to “Item 1A. Risk Factors,” “—Downgrades of financial strength ratings at Torus or Lloyd’s could materially and negatively impact our active underwriting business and our company” for more information regarding the importance of financial strength ratings.

Reserves for Unpaid Losses and Loss Adjustment Expense

The reserves for unpaid reported losses and loss expenses are established by management based on reports from brokers, ceding companies and insureds and represent the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by us. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

The following table provides a reconciliation of the liability for losses and LAE, net of reinsurance ceded in our active underwriting segment:

	Year Ended December 31, 2013
	(in thousands of U.S. dollars)
Balance as of January 1	$	—
Less: total reinsurance reserves recoverable		—
		—
Acquired on purchase of subsidiaries		200,374
Net increase in ultimate losses and loss adjustment expense liabilities:
Current period		19,303
Net losses paid:
Current period		(30,626	)
Effect of exchange rate movement		1,286
Net balance as of December 31		190,337
Plus: total reinsurance reserves recoverable		25,055
Balance as at December 31	$	215,392

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Enterprise Risk Management (ERM)

Effective risk oversight is an important priority for our Boards of Directors (both at the Company level and at a subsidiary level), and we place strong emphasis on ensuring we have a robust risk management framework to identify, measure, manage, report and monitor risks that affect the achievement of our strategic, operational and financial objectives.

The overall objective of our Risk Management Framework is to support good risk governance, support the achievement of business objectives and provide overall benefits to us by adding value to the control environment, and contributing to an effective business strategy, efficiency in operations and processes, strong financial performance, accurate financial reporting, regulatory compliance, a good reputation with key stakeholders, business continuity planning, and capital planning.

Our enterprise risk management, or ERM, consists of numerous processes and controls that have been designed by our senior management (including our risk management team), with oversight by our Board of Directors and its committees, and implemented by employees across our organization. Risk assumption is inherent in our business and appropriately setting risk appetite and executing our business strategies in accordance therewith is key to our performance.

We manage our ERM process based on the following major categories of risk within our business:

Strategic Risk — The risk of unintended adverse impact on the business plan objectives arising from business decisions, improper implementation of those decisions, or circumstances that are beyond our control.

Insurance Risk — Risks spanning many aspects of our insurance-related operations, including risk assumed upon acquisitions/portfolio transfers, risk associated with our reserving assumptions, underwriting risk (see “Underwriting Risk Management” below), life and annuities portfolio risk, and natural or man-made catastrophe risk.

Market Risk — The risk of loss resulting from underperforming investment returns, dilution of invested capital, or adverse financial market movements (such as interest rates or exchange rates).

Liquidity Risk — The risk that we are unable to realize investments and other assets in order to settle financial obligations when they fall due or that we would have to incur excessive cost to do so.

Credit / Counterparty Risk — The risk of a change in the value of investments or receivables due to the failure or inability of counterparties to meet contractual obligations.

Operational Risk — The risk of a loss arising from inadequate or failed internal processes, or from external events or from personnel and systems.

Reputational Risk — The risk that an act or omission by us or any of our employees could result in damage to our reputation or loss of trust among our stakeholders.

Further details on these and other risks impacting our business are discussed in detail in “Item 1A. Risk Factors.”

The Board of Directors and its committees have risk oversight responsibility and play an active role in overseeing management of the risks we face. Our Audit Committee, comprised entirely of independent directors, reviews our overall risk appetite with input from management, reviews our risk management methodologies and oversees management’s execution of our risk management objectives. In addition to this director oversight, our ERM governance structure is directed by our ERM steering committee, whose mandate is to provide oversight and governance of our ERM initiatives, to oversee that our internal controls are operating effectively, to attempt to mitigate identified risks within appetite, and to provide analysis to management in order to appropriately manage and govern the business and the associated risks on a day-to-day basis.

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Our Risk Management department focuses primarily on implementing and overseeing the administration of the ERM steering committee’s directives and facilitating an efficient, effective and consistent approach to risk management across our company. Our internal audit department independently reviews the effectiveness of our risk management framework. Our centralized risk and control monitoring and reporting system facilitates feedback and improvement on an ongoing basis.

Our ERM is a dynamic process, with updates continually being made as a result of changes in our business, industry and the economic environment. This process and our controls cannot provide absolute assurance that our risk management objectives will be met or that all risks will be appropriately identified and managed, and accordingly, the possibility of material adverse effects on our company remains. See “Item 1A. Risk Factors” for further information on the risks we face.

Active Underwriting Risk Management

With our acquisitions of Atrium and Arden during 2013, we have entered the active underwriting business, which now constitutes a new operating segment for us. Risk strategies of these businesses are to underwrite risks in a number of classes of business where management believes that the risks and expected margins can be evaluated, and that the underwriting teams (supported by our other group functions) can operate with competitive advantages.

Overall insurance risks include the risk that a policy might be written for too low a premium or provide inappropriate cover (underwriting risk). As part of the annual business planning process, risk appetite is set and the basis on which these risk levels are monitored and the actions to be taken in the event of deviations from the planned levels are determined.

Factors that go into the effective management of underwriting risk may differ depending on the line of business involved and the type of account being insured or reinsured. We strive to mitigate underwriting risk through numerous controls, including underwriter peer review, authority limits, independent review of risks written, and a reinsurance purchasing program.

We recognize the importance of information technology and management of data in supporting our business, and we utilize a number of technology platforms to assist in our underwriting, risk management, financial and regulatory reporting processes and procedures across our organization. We review and seek to enhance our technological systems on an ongoing basis.

Investments

We derive a significant portion of our income from our invested assets. As a result, our operating results depend in part on the performance of our investment portfolio. Because of the unpredictable nature of losses that may arise under our insurance and reinsurance subsidiaries’ insurance or reinsurance policies and as a result of our opportunistic commutation strategy in our non-life run-off business, our liquidity needs can be substantial and may arise at any time. Except for that portion of our portfolio that is invested in non-investment grade securities, we generally follow a conservative investment strategy designed to emphasize the preservation of our invested assets and provide sufficient liquidity for the prompt payment of claims and contract liabilities, as well as for settlement of commutation payments.

As of December 31, 2013, we had cash and cash equivalents, inclusive of restricted amounts, of $1.04 billion. Our cash and cash equivalent portfolio is comprised mainly of cash, high-grade fixed deposits, commercial paper with maturities of less than three months and money market funds. As of December 31, 2013, we held investments on our balance sheet of $5.52 billion. Our investment portfolio consists primarily of investment grade, liquid, fixed maturity securities of short-to-medium duration, equities and other investments.

Across all of our segments, we strive to structure our investments in a manner that recognizes our liquidity needs for future liabilities. In that regard, we attempt to correlate the maturity and duration of our investment

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portfolio to our general liability profile. If our liquidity needs or general liability profile unexpectedly change, we may adjust the structure of our investment portfolio to meet new business needs.

We utilize various companies to provide investment advisory and/or management services. We have agreed to pay investment management fees to the managers. These fees, which vary depending on the amount of assets under management, are included in net investment income. The total fees we paid to our investment managers for the year ended December 31, 2013 were $5.43 million, including approximately $0.9 million to our largest single investment manager.

Our investment performance is subject to a variety of risks, including risks related to general economic conditions, market volatility, interest rate fluctuations, foreign exchange risk, liquidity risk and credit and default risk. Interest rates are highly sensitive to many factors, including governmental monetary policies, domestic and international economic and political conditions and other factors beyond our control. A significant increase in interest rates could result in significant losses, realized or unrealized, in the value of our investment portfolio. A portion of our non-investment grade securities consists of alternative investments that subject us to restrictions on redemption, which may limit our ability to withdraw funds for some period of time after the initial investment. The values of, and returns on, such investments may also be more volatile. For more information on these risks, refer to “Item 1A. Risk Factors — Risks Relating to Our Investments,” beginning on page 39.

As of December 31, 2013 and 2012, the fair value of our aggregate invested assets was approximately $6.56 billion and $4.31 billion, respectively. Aggregate invested assets included:

• cash and cash equivalents, inclusive of restricted amounts;

• a trading portfolio of fixed maturity securities, short-term investments and equities as well as an available-for-sale portfolio of fixed maturity securities and short-term investments, all of which are recorded at fair value on our balance sheet;

• a held-to-maturity portfolio of fixed maturity securities, supporting our annuity business within Pavonia, which are recorded at amortized cost on our balance sheet; and

• investments in various private equity, fixed income, fixed income hedge, equity, real estate debt and other funds, all of which are recorded at fair value on our balance sheet.

For additional information regarding our investment portfolio, refer to “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations, Results of Operations — Liquidity and Capital Resources — Investments”.

Regulation

General

The business of insurance and reinsurance is regulated in most countries, although the degree and type of regulation varies significantly from one jurisdiction to another. We have a significant presence in Bermuda, the United Kingdom, Australia and the United States, as well as several European countries, and are subject to extensive regulation under the applicable statutes in these countries. A summary of the material regulations governing us in these countries is set forth below.

Bermuda

As a holding company, Enstar Group Limited is not subject to Bermuda insurance regulations. However, the Insurance Act 1978 of Bermuda and related regulations, as amended, or, together, the Insurance Act, regulate the insurance and reinsurance business of our operating subsidiaries in Bermuda. The Insurance Act imposes certain solvency and liquidity standards and auditing and reporting requirements and grants the Bermuda Monetary

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Authority, or BMA, powers to supervise, investigate, require information and the production of documents and intervene in the affairs of insurance companies.

Significant requirements pertaining to our regulated Bermuda subsidiaries vary depending on the class in which our company is registered, but generally include the appointment of a principal representative in Bermuda, the appointment of an independent auditor, the appointment of an approved loss reserve specialist, the filing of annual statutory financial statements, the filing of statutory financial returns, compliance with group solvency and supervision rules (if applicable), and compliance with the Insurance Code of Conduct (relating to corporate governance, risk management and internal controls).

Our regulated Bermuda subsidiaries must also comply with a minimum liquidity ratio and minimum solvency margin. The minimum liquidity ratio requires that the value of relevant assets must not be less than 75% of the amount of relevant liabilities. The minimum solvency margin, which varies depending on the class of the insurer, is determined as a percentage of either net reserves for losses and loss expenses or premiums or pursuant to a risk-based capital measure. With our pending acquisition of the Torus companies, Torus Insurance (Bermuda) Limited, a Class 4 insurer domiciled in Bermuda, is subject to an enhanced capital requirement (or ECR) determined pursuant to a risk-based capital measure, and the Torus group of companies may be subject to enhanced BMA supervision and ECR reporting requirements.

Each of our regulated Bermuda subsidiaries would be prohibited from declaring or paying any dividends if it were in breach of its minimum solvency margin or liquidity ratio or if the declaration or payment of such dividends would cause it to fail to meet such margin or ratio. In addition, each of our regulated Bermuda subsidiaries is prohibited, without the prior approval of the Bermuda regulator, from reducing by 15% or more its total statutory capital as set out in its previous year’s statutory financial statements. In addition, our Bermuda insurance companies that are in run-off are required to seek BMA approval for any dividends or distributions.

The BMA maintains supervision over the controllers of all Bermuda registered insurers, and accordingly, any person who, directly or indirectly, becomes a holder of at least 10%, 20%, 33% or 50% of our ordinary shares must notify the BMA in writing within 45 days of becoming such a holder (or ceasing to be such a holder). The BMA may object to such a person and require the holder to reduce its holding of ordinary shares and direct, among other things, that voting rights attaching to the ordinary shares shall not be exercisable.

United Kingdom and Lloyd’s

United Kingdom

Our U.K.-based insurance subsidiaries consist primarily of run-off companies, but, following the Torus closing, will also include Torus Insurance (UK) Limited, which is continuing to underwrite new business. These subsidiaries are regulated by the U.K. Prudential Regulatory Authority, or the PRA, and the Financial Conduct Authority, or the FCA, which together replaced the Financial Services Authority effective April 1, 2013 (we collectively refer to the PRA and FCA in this section as the “U.K. Regulator”). Our U.K. run-off subsidiaries may not underwrite new business. E.U. directives also allow certain of our regulated U.K. subsidiaries to conduct business in E.U. states other than the U.K. within the scope of permission granted by the U.K. Regulator without the necessity of additional licensing or authorization in E.U. countries.

Our U.K.-based insurance subsidiaries are required to maintain adequate financial resources in accordance with the requirements of the U.K. Regulator. The calculation of the minimum capital resources requirements in any particular case depends on, among other things, the type and amount of insurance business written and claims paid by the insurance company.

In addition, the U.K. Regulator’s Individual Capital Adequacy Standards framework, or ICAS framework, requires insurance companies to carry out various capital modeling and risk management exercises in order to

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calculate a company-specific Individual Capital Assessment amount, or ICA amount, which is the company’s internal calculation of its capital requirements under the ICAS framework. This is intended to ensure a company holds sufficient capital such that there is no material risk that its liabilities cannot be met as they fall due.

In 2009, the European Parliament approved the Solvency II framework directive. Solvency II is expected to take effect in January 2016. Solvency II will set out new, strengthened E.U.-wide requirements on capital adequacy and risk management for insurers with the aim of increasing policyholder protection, instilling greater risk awareness and improving the international competitiveness of E.U. insurers.

The U.K. Regulator’s rules require our U.K. insurance subsidiaries to obtain regulatory approval for any proposed or actual payment of a dividend. The U.K. Regulator uses the ICA and the estimated capital requirement for Solvency II purposes when assessing requests to make distributions and therefore dividends approved by the U.K. Regulator will often significantly differ from any surplus capital above the entity’s minimum capital resources requirements.

Under the Financial Services and Markets Act of 2000 (or FSMA), any company or individual (together with its or his concert parties) proposing to directly or indirectly acquire “control” over a U.K. authorized insurance company (which is generally defined as acquiring 10% or more of the shares or voting power in a U.K. authorized insurance company or its parent company) must seek prior approval of the U.K. Regulator of his intention to do so. A person who is already deemed to have “control” will require prior regulatory approval of if the person increases the level of “control” beyond 20%, 30% and 50%.

Lloyd’s

We participate in the Lloyd’s market through our interests in: (i) Atrium Underwriting Group, which manages Syndicate 609 and provides approximately one quarter of the syndicate’s capital; and (ii) Shelbourne, which consists of an approved Lloyd’s managing agent, a corporate member and S2008, a wholly aligned syndicate that has permission to underwrite RITC and other legacy or discontinued business type transactions with other Lloyd’s syndicates. In the Torus amalgamation, we will acquire Lloyd’s Syndicates 1301 and 2243 and Torus Underwriting Management Limited.

Our Lloyd’s operations are subject to regulation by the U.K. Regulator and compliance with the Lloyd’s Act(s) and Byelaws and regulations, as well as the applicable provisions of the FSMA. The Council of Lloyd’s has wide discretionary powers to regulate members’ underwriting, and its exercise of these powers might affect the return on an investment of the corporate member in a given underwriting year. This discretion includes the ability to assess up to 3% of a member’s underwriting capacity in any one year as a Central Fund contribution.

The underwriting capacity of a member of Lloyd’s must be supported by providing a deposit (referred to as “Funds at Lloyd’s”) in the form of cash, securities or letters of credit in an amount determined under the ICA. The amount of the Funds at Lloyd’s is assessed annually and is determined by Lloyd’s in accordance with the capital adequacy rules established by the U.K. Regulator.

Business plans, including maximum underwriting capacity, for Lloyd’s syndicates requires annual approval by the Lloyd’s Franchise Board, which may require changes to any business plan or additional capital to support underwriting plans.

In order to achieve finality and to release their capital, Lloyd’s members are usually required to have transferred their liabilities through an approved RITC, such as offered by S2008. RITC is generally put in place after the third year of operations of a syndicate year of account. On successful conclusion of RITC, any profit from the syndicate’s operations for that year of account can be remitted by the managing agent to the syndicate’s members.

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The Lloyd’s market is currently in the Solvency II internal model application process under Lloyd’s supervision. Our Lloyd’s operations will therefore be required to meet Solvency II standards when they come into effect.

Lloyd’s approval is required before any person can acquire control of a Lloyd’s managing agent or Lloyd’s corporate member.

United States

Our insurance and reinsurance companies domiciled in the U.S. consist primarily of property and casualty companies and life and annuities companies in run-off, but, following the Torus closing, will also include Torus Specialty Insurance Company (a U.S. excess and surplus lines insurer) and Torus National Insurance Company (a U.S. admitted insurer that is licensed in all 50 states and the District of Columbia), both of which continue to issue new policies. Our U.S. insurers are subject to extensive governmental regulation and supervision by the states in which they are domiciled, licensed and/or eligible to conduct business. The insurance laws and regulations of the state of domicile have the most significant impact on operations.

Generally, regulatory authorities have broad regulatory powers over such matters as licenses, standards of solvency, premium rates, policy forms, marketing practices, claims practices, investments, security deposits, restrictions on size of risks that may be insured under a single policy, methods of accounting, form and content of financial statements, reserves and provisions for unearned premiums, unpaid losses and loss adjustment expenses, reinsurance, minimum capital and surplus requirements, dividends and other distributions to shareholders, periodic examinations, annual and other report filings, and transactions among affiliates.

The Insurance Regulatory Information System, or IRIS, of the National Association of Insurance Commissioners, or NAIC, assists state insurance departments in executing their statutory mandates to oversee the financial condition of insurance companies operating in their respective states. IRIS identifies certain industry ratios and specifies “usual values” for each ratio. Departure from the usual values of the ratios can lead to inquiries from individual state insurance commissioners and regulatory review. For 2013, certain of our U.S. insurers generated IRIS ratios that were outside of the usual ranges. Only one of our U.S. insurers (which was acquired while under regulatory supervision) has been subject to any increased regulatory review, but there is no assurance that our other U.S. insurers will not be subject to increased scrutiny in the future.

U.S. insurers are also required to maintain minimum levels of solvency and liquidity as determined by law, and to comply with risk-based capital requirements and licensing rules. Insurers having less statutory surplus than required by the risk-based capital calculation will be subject to varying degrees of regulatory action. Some of our U.S. insurers, from time to time, may have risk-based capital levels that are below required levels and be subject to increased regulatory scrutiny and control by their domestic and possibly other insurance regulators. As of December 31, 2013 and 2012, all of our U.S. insurers exceeded their required levels of risk-based capital, with the exception of one subsidiary that was acquired while under supervision. As a consequence of being under regulatory supervision, the subsidiary’s regulator must approve any and all dividends and disbursements, new contracts or agreements. We do not believe this subsidiary’s non-compliance presents material risk to our operations or financial condition.

Applicable insurance laws also limit the amount of dividends or other distributions our U.S. insurers can pay to us. The insurance regulatory limitations are generally based on statutory net income and/or certain levels of statutory surplus as determined by the insurer’s state or states of domicile. Generally, prior regulatory approval must be obtained before an insurer may pay a dividend or make a distribution above a specified level.

All states have enacted legislation regulating insurance holding company systems that requires each insurance company in the system to register with the insurance department of its state of domicile and furnish information concerning the operations of companies within the holding company system that may materially

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affect the operations, management or financial condition of the insurers within the system. In 2010, the NAIC adopted amendments to the Insurance Holding Company System Regulatory Act and Regulation, which have taken effect in some states in which our U.S. insurers are domiciled and may be adopted in other states in the future. The amendments impose more extensive informational requirements on parents and other affiliates of licensed insurers with the purpose of protecting them from enterprise risk, including requiring an annual enterprise risk report by the ultimate controlling person of the insurers identifying the material risks within the insurance holding company system that could pose enterprise risk to the insurers and requiring a person divesting its controlling interest to make a confidential advance notice filing.

The NAIC has also adopted the Risk Management and Own Risk and Solvency Assessment Model Act, which requires insurers to maintain a risk management framework and establishes a legal requirement for insurers or their insurance group to conduct an Own Risk and Solvency Assessment (ORSA) in accordance with the NAIC’s ORSA Guidance Manual. The ORSA Model Act has been adopted in states in which certain of our U.S. insurers are domiciled with a January 1, 2014 effective date. Nevertheless, we currently anticipate that these insurers will meet the exemption from the requirements of the ORSA Model Act for insurers and insurance groups with less than the requisite amount of annual direct written and unaffiliated assumed premium.

The Dodd Frank Wall Street Reform and Consumer Protection Act, or the Dodd-Frank Act, represents a comprehensive overhaul of the financial services industry within the U.S. and, among other things, established the Financial Services Oversight Council and created within the United States Department of the Treasury a new Federal Insurance Office. These bodies are authorized to study, monitor and report to Congress on the U.S. insurance industry and the significance of global reinsurance to the U.S. insurance market. The Dodd-Frank Act also authorizes the federal preemption of certain state insurance laws and streamlines the regulation of reinsurance and surplus lines/non-admitted insurance. Many provisions of the Dodd-Frank Act will become effective over time, and certain provisions of the Dodd-Frank Act require the implementation of regulations that have not yet been adopted. These regulations, when adopted, may affect our industry and our business.

Before a person can acquire control of a domestic insurer (including a reinsurer) or any person controlling such insurer (including acquiring control of Enstar Group Limited), prior written approval must be obtained from the insurance commissioner of the state in which the domestic insurer is domiciled and, under certain circumstances, from insurance commissioners in other jurisdictions. Generally, state statutes and regulations provide that “control” over a domestic insurer or person controlling a domestic insurer is presumed to exist if any person, directly or indirectly, owns, controls, holds with the power to vote, or holds proxies representing, 10% or more of the voting securities or securities convertible into voting securities of the domestic insurer or of a person who controls the domestic insurer (although Florida statutes presently presume control to exist at a 5% threshold).

One of the Pavonia companies that we acquired on March 31, 2013 has a Canadian branch operation, which is subject to regulation by the Office of Superintendent of Financial Institutions in Canada. Canadian regulations require compliance with risk-based capital measures and also place certain restrictions on dividends.

Australia

Our Australian regulated insurance entities (which include our insurance subsidiary and our non-operating holding company) are subject to prudential supervision by the Australian Prudential Regulation Authority, or APRA. APRA is the primary regulatory body responsible for regulating compliance with the Insurance Act 1973. APRA has issued prudential standards that apply to general insurers in relation to capital adequacy, the holding of assets in Australia, risk management, business continuity management, reinsurance management, outsourcing, audit and actuarial reporting and valuation, the transfer and amalgamation of insurance businesses, governance, and the fit and proper assessment of the insurer’s responsible persons.

APRA’s prudential standards require that all insurers maintain and meet prescribed capital adequacy requirements to enable their insurance obligations to be met under a wide range of circumstances. As of

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January 1, 2013, APRA introduced capital reforms that have modified how Australian insurers meet their capital requirements and have introduced additional regulatory obligations with respect to capital oversight and capital reporting, which apply to our subsidiary. The new capital requirements were brought in to enhance and strengthen capital adequacy in the market and increase the level of internal oversight and review for insurers. Our Australian insurance subsidiary meets the new capital requirements.

An insurer must obtain APRA’s written consent prior to making any capital releases, including any payment of dividends. Our insurance subsidiary must provide APRA a valuation prepared by an appointed actuary that demonstrates that the tangible assets of the insurer, after the proposed capital reduction, are sufficient to cover its insurance liabilities to a 99.5% level of sufficiency of capital before APRA will consent to a capital release or dividend.

Under the Financial Sector (Shareholdings) Act 1998, the interest of an individual shareholder or a group of associated shareholders in an insurer is generally limited to a 15% “stake” of the insurer. A person’s stake is the aggregate of the person’s voting power and the voting power of the person’s associates. A higher percentage limit may be approved by the Treasurer of the Commonwealth of Australia on national interest grounds. Any shareholder of Enstar Group Limited with a “stake” greater than 15% has received approval to hold that stake from the Treasurer of the Commonwealth of Australia.

Europe

In addition to Bermuda, the United Kingdom, Australia and the United States, we have subsidiaries in various other countries, including Switzerland and Ireland, and, following the Torus closing, we will also own Torus Insurance Europe, a Liechtenstein-based company that continues to underwrite new business. We may, in the future, acquire new subsidiaries in other countries.

Our Swiss insurance subsidiary is regulated by the Swiss Financial Market Supervisory Authority, or FINMA, pursuant to the Insurance Supervisory Act 2004. This subsidiary is obligated to maintain a minimum solvency margin based on the Solvency I and Swiss Solvency Test regulations as stipulated by the Insurance Supervisory Act. The amount of dividends that this subsidiary is permitted to distribute is restricted to freely distributable reserves, which consist of retained earnings, the current year profit and free reserves. Any dividend exceeding the current year profit requires FINMA’s approval. The solvency and capital requirements must continue to be met following any distribution.

Our subsidiaries in other European jurisdictions are also regulated. Typically, such regulation is for the protection of policyholders and ceding insurance companies rather than shareholders. While the degree and type of regulation to which we are subject in each country may differ, regulatory authorities generally have broad supervisory and administrative powers over such matters as licenses, standards of solvency, investments, reporting requirements relating to capital structure, ownership, financial condition and general business operations, special reporting and prior approval requirements with respect to certain transactions among affiliates, methods of accounting, form and content of the consolidated financial statements, reserves for unpaid losses and LAE, reinsurance, minimum capital and surplus requirements, dividends and other distributions to shareholders, periodic examinations and annual and other report filings.

Competition

Our non-life run-off and life and annuities business segments compete in international markets with domestic and international reinsurance companies to acquire and manage insurance and reinsurance companies in run-off and portfolios of insurance and reinsurance business in run-off. The acquisition and management of companies and portfolios in run-off is highly competitive, and driven by a number of factors, including proposed acquisition price, reputation, and financial resources. Some of these competitors have greater financial resources than we do, have been operating for longer than we have and have established long-term and continuing business relationships

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throughout the insurance and reinsurance industries, which can be a significant competitive advantage. As a result, we may not be able to compete successfully in the future for suitable acquisition candidates or run-off portfolio management engagements.

Our active underwriting business segment operates in the highly competitive insurance and reinsurance markets, where companies compete on the basis of many factors, including premium rates, reputation and perceived financial strength, the terms and conditions of the products offered, ratings assigned by independent rating agencies, speed of claims payments and quality of administrative services, relationships with insurance and reinsurance companies and insurance intermediaries, capacity and coverage offered, experience in the particular risk to be underwritten, and various other factors. We compete in the international insurance and reinsurance markets directly with numerous other parties, including established global insurance and reinsurance companies, start-up insurance and reinsurance entities, as well as capital markets and securitization structures aimed at managing risk. Many of these competitors have significant operating histories, underwriting expertise and capacity, extensive capital resources, and longstanding customer relationships. Any of these factors can be a significant competitive advantage and may make it difficult for us to write business effectively and profitably.

Employees

As of December 31, 2013, we had 739 employees, 4 of whom were executive officers. All non-Bermudian employees who operate out of our Bermuda office are subject to governmental approval of Bermuda work permits. None of our employees are covered by collective bargaining agreements, and our management believes that our relationship with our employees is excellent. Following the closing of our acquisition of Torus, we expect to add approximately 600 employees.

Financial Information About Geographic Areas

For the year ended December 31, 2013, revenues from external customers in all of our operating segments included premiums written.

The following table summarizes our gross premiums written by each of our operating segments by geographic area:

	Non-life Run-off		%		Life and Annuities		%		Active Underwriting		%
	(In thousands of U.S. dollars)
United States	$	112,611		100.0	$	77,027		81.1	$	15,784		49.0
United Kingdom		—		—		—		—		2,255		7.0
Europe		—		—		2,790		2.9		2,577		8.0
Asia		—		—		—		—		1,933		6.0
Rest of world		—		—		15,167		16.0		9,664		30.0
Total	$	112,611		100.0	$	94,984		100.0	$	32,213		100.0

In our active underwriting segment, we only had an ownership in Atrium for a portion of the fourth quarter of 2013. Geographic distribution in subsequent years is subject to vary based upon market conditions and business strategies.

In our non-life run-off segment, excluding premiums written, our revenues from external customers included fees from management, consulting and other services through our subsidiaries located in Bermuda, the United States, the United Kingdom and Australia. Given the global nature of the clients and the risks, extracting and quantifying the consulting revenues attributable to certain geographic locations would be impracticable.

Available Information

We maintain a website with the address http://www.enstargroup.com. The information contained on our website is not included as a part of, or incorporated by reference into, this filing. We make available free of

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charge (other than an investor’s own Internet access charges) on or through our website our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and all amendments to these reports, as soon as reasonably practicable after the material is electronically filed with or otherwise furnished to the U.S. Securities and Exchange Commission, or the SEC. Our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports are also available on the SEC’s website at http://www.sec.gov. In addition, copies of our code of conduct and the governing charters for the audit, investment, nominating and governance and compensation committees of our board of directors are available free of charge on our website. The public may read and copy any materials we file with the SEC at the SEC’s Public Reference Room at 100 F Street, NE, Washington, DC 20549. The public may obtain information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0330.

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ITEM 1A.     RISK FACTORS

Any of the following risk factors could cause our actual results to differ materially from historical or anticipated results. These risks and uncertainties are not the only ones we face. There may be additional risks that we currently consider not to be material or of which we are not currently aware, and any of these risks could cause our actual results to differ materially from historical or anticipated results.

You should carefully consider these risks along with the other information included in this document, including the matters addressed above under “Cautionary Note Regarding Forward-Looking Statements,” as well as risks included elsewhere in our documents filed with the SEC, before investing in any of our securities. We may amend, supplement or add to the risk factors described below from time to time in future reports filed with the SEC.

Risks Relating to our Insurance Businesses

If we are unable to implement our business strategies successfully, including with respect to our newer active underwriting and life and annuities segments, our business, results of operations and financial condition may be materially and adversely affected.

Our future results of operations will depend in significant part on the extent to which we can implement our business strategies successfully. We significantly expanded our portfolio of closed-life run-off business in 2013 with our acquisition of the Pavonia companies. We also entered the active underwriting business with our acquisitions of Atrium and Arden (in late 2013), and our agreement to acquire Torus (a transaction expected to close in the first quarter of 2014). We have limited experience with these businesses. Our ability to develop and execute our business strategies with respect to these new businesses and our core non-life run-off business is essential to our success, future growth opportunities, expanded market visibility and increased access to capital.

Our business strategies include: generating future acquisition opportunities that are carefully reviewed and priced effectively, including by utilizing our active underwriting platform; professionally and efficiently managing claims; successfully commuting assumed liabilities and ceded reinsurance assets; profitably underwriting selected specialty lines; and prudently managing our investments in a manner that recognizes our liquidity needs. We may not be able to implement our strategies fully or realize the anticipated results of our strategies as a result of significant business, economic and competitive uncertainties, many of which are beyond our control. If we are unable to successfully implement our business strategies, we may not be able to achieve future growth in our earnings and our financial condition may suffer and, as a result, holders of our ordinary shares may receive lower returns.

If our insurance and reinsurance subsidiaries’ loss reserves are inadequate to cover their actual losses, our insurance and reinsurance subsidiaries’ net earnings and capital and surplus would be reduced, which could have a materially adverse impact on our results of operations and financial condition.

Our insurance and reinsurance subsidiaries are required to maintain reserves to cover their estimated ultimate liability for losses and loss adjustment expenses for both reported and unreported incurred claims. These reserves are only estimates of what our subsidiaries consider the settlement and administration of claims will cost based on facts and circumstances known to the subsidiaries, as well as actuarial methodologies and procedures. Our commutation activity and claims settlement and development in recent years in our non-life run-off segment has resulted in net reductions in provisions for prior period losses and loss adjustment expenses of $257.1 million, $238.0 million and $293.5 million for the years ended December 31, 2013, 2012 and 2011, respectively. Although past experience indicates that our loss reserves have been more than adequate to meet our liabilities, because of the uncertainties that surround estimating losses and loss adjustment expenses, we cannot be certain that ultimate losses will not exceed these estimates of losses and loss adjustment expenses in the future. If our subsidiaries’ reserves are insufficient to cover their actual losses and loss adjustment expenses, our subsidiaries would have to augment their reserves and incur a charge to their earnings. These charges could be material and would reduce our net earnings and capital and surplus.

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The difficulty in estimating our non-life subsidiaries’ reserves is increased because these loss reserves include reserves for potential asbestos and environmental, or A&E, liabilities (at December 31, 2013, A&E gross and net loss reserves were approximately 12.4% and 15.3%, respectively, of total gross and net loss reserves). A&E liabilities are especially hard to estimate (for many reasons, including long waiting periods and reporting delays and difficulties identifying contamination sources and allocating damage liability), developed case law and adequate claim history do not always exist for such claims, and changes in the legal and tort environment affect the development of such claims. Ultimate values for such claims cannot be estimated using traditional reserving techniques and there are significant uncertainties in estimating the amount of our subsidiaries’ potential losses for these claims. Our subsidiaries have not made any changes in reserve estimates that might arise as a result of any proposed U.S. federal legislation related to asbestos. To further understand this risk, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Critical Accounting Policies — Losses and Loss Adjustment Expenses — Latent Claims.”

In our active underwriting business, U.S. GAAP does not permit insurers and reinsurers to reserve for catastrophes until they occur, which means that claims from these events could cause substantial volatility in our financial results for any fiscal quarter or year and could have a material adverse effect on our financial condition and results of operations, as well as our financial strength ratings.

For a discussion of reserving risk in our life and annuities business, see “Our life and annuities business is subject to the risk that actual experience relating to mortality, morbidity, policy persistency, and investment yield may be different than our assumptions and could cause our reserves to be inadequate, or our results of operations in this business to suffer materially.”

Our expansion into the active underwriting business presents certain new risks and uncertainties described below, as well as others that we may encounter, which could cause a material adverse effect on our business, financial condition and results of operations.

Underwriting is inherently a matter of judgment, involving important assumptions about matters that are unpredictable and beyond our control, and for which historical experience and probability analysis may not provide sufficient guidance. In addition to the risks and uncertainties that impact all of our business segments, our active underwriting business exposes us to risks that include, but are not limited to, those set forth below. Any of these risks could result in underperformance of the active underwriting businesses compared to our expectations, and could also have a material adverse effect on our business, financial condition and results of operations:

• Exposure to claims arising out of unpredictable natural and man-made catastrophic events (including hurricanes, windstorms, tsunamis, severe weather, earthquakes, floods, fires, droughts, explosions, environmental contamination, acts of terrorism, war or political unrest) and changing climate patterns and ocean temperature conditions, which could adversely affect our earnings and financial condition and cause substantial volatility in our results of operations for any fiscal quarter or year;

• Failure of our risk management and loss limitation methods, or our catastrophe risk modeling processes, to adequately manage our exposure to losses or provide sufficient protection against losses from catastrophes;

• The intense competition for business in this industry, including from major global insurance and reinsurance companies and underwriting syndicates with greater experience and resources than us, or as a result of industry consolidation;

• Dependence on a limited number of brokers, managing general agents and other third parties to support our business, both in terms of the volume of business we will rely on them to place and the credit risk we will assume from them;

• Susceptibility to the effects of inflation due to premiums being established before the ultimate amounts of losses and loss adjustment expense are known;

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• Susceptibility of the reinsurance we underwrite to the quality of the original underwriting decisions made by the ceding companies, which may lead us to inaccurately assess the risks we assume; and

• The cyclical nature of the insurance and reinsurance business, which could negatively impact premium rates and policy terms, as well as our ability to purchase reinsurance, and could cause our results of operations to fluctuate significantly from period to period.

Downgrades of financial strength ratings at Torus or Lloyd’s could materially and negatively impact our active underwriting business and our company.

The Torus operating insurance entities we have agreed to acquire have been assigned a financial strength rating of “A-” (Excellent) by A.M. Best. Following the announcement of the agreement to acquire Torus, its ratings were placed under review by A.M. Best with negative implication. A.M. Best stated it expects to resolve the under review status at a point after the completion of the transaction, following discussions with Enstar, Stone Point Capital, and Torus’ management. A ratings downgrade, withdrawal or negative watch or outlook could negatively impact Torus’ competitive position in the industry, severely limit or prevent Torus from writing new insurance and reinsurance contracts, and permit certain ceding companies to cancel reinsurance contracts Torus has issued. Such a change could also inhibit our ability to implement our business and growth strategies successfully following the acquisition.

In addition, Lloyd’s ratings apply to business written through Syndicate 609 and Torus’ Syndicate 1301. Lloyd’s is rated “A” (Excellent) by A.M. Best and “A+” (Strong) by Fitch Ratings and Standard and Poor’s. Financial strength ratings downgrades at Lloyd’s could adversely affect our Lloyd’s syndicates’ ability to trade in certain classes of business at current levels.

Emerging claim and coverage issues could adversely affect our business.

As industry practices and legal, judicial, social and other environmental conditions change, unexpected and unintended issues related to claims and coverage may emerge. These issues may adversely affect the adequacy of our provision for losses and loss adjustment expenses by either extending coverage beyond the intent of insurance policies and reinsurance contracts envisioned at the time they were written, or by increasing the number or size of claims. Our exposure to these uncertainties could be exacerbated by an increase in insurance and reinsurance contract disputes, arbitration and litigation. The full effects of these and other unforeseen emerging claim and coverage issues are extremely hard to predict. In some instances, these changes may not become apparent until some time after we have acquired or issued the contracts that are affected by the changes. As a result, the full extent of liability under these insurance or reinsurance contracts may not be known for many years after a contract has been issued.

Exit and finality opportunities provided by solvent schemes of arrangement may not continue to be available, which may result in the diversion of our resources to settle policyholder claims for a substantially longer run-off period and increase the associated costs of run-off of our insurance and reinsurance subsidiaries.

With respect to our U.K., Bermudian and Australian insurance and reinsurance subsidiaries, we are able to pursue strategies to achieve complete finality and conclude the run-off of a company by promoting solvent schemes of arrangement. Solvent schemes of arrangement have been a popular means of achieving financial certainty and finality for insurance and reinsurance companies incorporated or managed in the U.K., Bermuda and Australia, by making a one-time full and final settlement of an insurance and reinsurance company’s liabilities to policyholders. A solvent scheme of arrangement is an arrangement between a company and its creditors or any class of them. For a solvent scheme of arrangement to become binding on the creditors, a meeting of each class of creditors must be called, with the permission of the local court, to consider and, if thought fit, approve the solvent scheme of arrangement. The requisite statutory majority of creditors of not less

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than 75% in value and 50% in number of those creditors actually attending the meeting, either in person or by proxy, must vote in favor of a solvent scheme of arrangement. Once the solvent scheme of arrangement has been approved by the statutory majority of voting creditors of the company, it requires the sanction of the local court at a hearing at which creditors may appear. The court must be satisfied that the scheme is fair, following a full consideration of the relevant evidence and of the scheme’s individual merits.

Should a solvent scheme of arrangement promoted by any of our insurance or reinsurance subsidiaries fail to receive the requisite approval by creditors or sanction by the court, or should solvent schemes no longer be available to the same extent, we will have to run off these liabilities until expiry, which may result in the diversion of our resources to settle policyholder claims for a substantially longer run-off period and increase the associated costs of run-off, resulting potentially in a material adverse effect on our financial condition and results of operations.

Our life and annuities business is subject to the risk that actual experience relating to mortality, morbidity, policy persistency, and investment yield may be different than our assumptions and could cause our reserves to be inadequate, or our results of operations in this business to suffer materially.

On March 31, 2013, we acquired the Pavonia companies from HSBC, thus substantially increasing our closed-life insurance portfolio. The performance of our life and annuities business is highly dependent on our ability to manage the run-off successfully and operate the business effectively and efficiently. Our reserves for life and annuity policy benefits are based on certain assumptions, including mortality, morbidity, policy persistency/lapse rates, expenses, and discount rates, which are impacted by expected investment yields on the assets that support these liabilities. The adequacy of our reserves is contingent on actual experience related to these key assumptions, which were generally established at the time of issue and reviewed and adjusted upon our acquisition. Under GAAP, these assumptions are locked in throughout the life of the contract unless a premium deficiency develops, which means the impact of difference between assumptions and actual experience is reflected in results of operations each period. In addition, if actual experience differs from these assumptions, our reserves may not be adequate, which would require us to add to reserves, or the cost of claims could increase. This could materially and adversely impact our results of operations and financial condition.

Our life subsidiaries are exposed to the risk of catastrophic mortality, such as a pandemic or other event that causes a large number of deaths. In an economic downturn, our life insurance subsidiaries may experience an elevated incidence of lapses of life insurance policies because there is a greater risk that policyholders may choose to defer paying insurance premiums or stop paying insurance premiums altogether (or that the policyholders who remain may consist of a non-diversified selection of holders). Any of these events could adversely affect our results of operations and financial condition.

Fluctuations in the reinsurance industry may cause our operating results to fluctuate significantly.

The reinsurance industry historically has been subject to significant fluctuations and uncertainties. Factors that affect the industry in general may also cause our operating results to fluctuate, or may adversely impact our ability to purchase reinsurance in our active underwriting business. As a result, the industry’s and our profitability may be affected significantly by:

• fluctuations in interest rates, inflationary pressures and other changes in the investment environment, which affect returns on invested capital and may affect the ultimate payout of loss amounts and the costs of administering books of reinsurance business;

• volatile and unpredictable developments, such as those that have occurred since 2008 in the world-wide financial and credit markets, which may adversely affect the recoverability of reinsurance from our reinsurers;

• changes in reserves resulting from different types of claims that may arise and the development of judicial interpretations relating to the scope of insurers’ liability; and

• the overall level of economic activity and the competitive environment in the industry.

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Risks Relating to Our Acquisitions

Our inability to successfully price acquisitions and manage our portfolio of insurance and reinsurance companies may adversely impact our ability to grow our business and may result in material losses.

Our run-off business entails acquiring and managing closed insurance and reinsurance companies and portfolios of insurance and reinsurance. This business differs from the business of traditional insurance and reinsurance underwriting in that our companies and portfolios in run-off no longer underwrite new policies and are subject to the risk that their stated provisions for losses and loss adjustment expense, or LAE, will not be sufficient to cover future losses and the cost of run-off. Because our non-life companies and portfolios in run-off generally no longer collect underwriting premiums, our sources of capital to cover losses are limited to our stated reserves, reinsurance coverage and retained earnings. Although our life and annuities businesses do collect premiums on in-force policies, they are subject to the risk that the premiums they receive and their stated policy benefits for life and annuity contracts will not be sufficient to cover future obligations and costs. Our active underwriting business, although it produces new premium revenue, also remains subject to many of these risks.

In order for us to achieve positive operating results, we must first price acquisitions on favorable terms relative to the risks posed by the acquired businesses and then successfully manage the acquired businesses by efficiently managing claims, collecting from reinsurers and controlling expenses. Failure to do these things successfully could result in us having to cover losses sustained with retained earnings, which would materially and adversely impact our ability to grow our business and may result in material losses.

We have made, and expect to continue to make, acquisitions of insurance and reinsurance companies, and these activities may not be financially beneficial to us or our shareholders.

We have pursued and, as part of our strategy, we will continue to pursue growth through acquisitions. Since our formation in August 2001, we have acquired over 60 insurance and reinsurance companies and portfolios of insurance and reinsurance business, and we expect to continue to make such acquisitions in the future. Since the beginning of 2013, we have expanded our acquisitions from primarily property and casualty run-off business to several life and annuities companies in run-off, as well as active underwriting companies. We cannot assure you that the performance of the companies acquired will meet our expectations, and we cannot be certain that any of these acquisitions will be financially advantageous for us or our shareholders.

The evaluation and negotiation of potential acquisitions, as well as the integration of an acquired business or portfolio, could result in a substantial diversion of management resources. Acquisitions could involve numerous additional risks such as potential losses from unanticipated litigation, levels of claims or other liabilities and exposures, an inability to generate sufficient revenue to offset acquisition costs and financial exposures in the event that the sellers of the entities we acquire are unable or unwilling to meet their indemnification, reinsurance and other obligations to us (if any such obligations are in place).

Our ability to manage our growth through acquisitions will depend, in part, on our success in addressing these risks. Any failure by us to effectively implement our acquisition strategies could have a material adverse effect on our business, financial condition or results of operations.

We face challenges to realizing the expected benefits of acquisitions, which may cause underperformance relative to our expectations, unforeseen liabilities and expenses, integration difficulties and other challenges, any or all of which could have a material adverse effect on our business, financial condition or results of operations.

The acquisitions we have made and expect to make in the future may pose operational challenges, expose us to risks and divert management’s time and energy, including relating to:

• funding cash flow shortages that may occur if anticipated revenues are not realized or are delayed, or if expenses are greater than anticipated;

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• the value of assets being lower than expected or diminishing because of credit defaults or changes in interest rates, or liabilities assumed being greater than expected;

• integrating financial and operational reporting systems and internal controls, including assurance of compliance with Section 404 of the Sarbanes-Oxley Act of 2002 and our reporting requirements under the Securities Exchange Act of 1934, as amended (or the Exchange Act);

• establishing satisfactory budgetary and other financial controls;

• leveraging our existing capabilities and expertise into the business acquired and establishing synergies within our organization;

• funding increased capital needs and overhead expenses;

• integrating technology platforms;

• obtaining and retaining management personnel required for expanded operations;

• fluctuating foreign currency exchange rates relating to the assets and liabilities we may acquire;

• goodwill and intangible asset impairment charges; and

• complying with applicable laws and regulations.

In particular, our ability to integrate and successfully operate the Torus companies will be a key component to our continued success. Torus will add approximately 600 new employees (as compared to the approximately 739 employees we had as of December 31, 2013) and a number of new offices in various countries. Along with the Atrium and Arden companies, the Torus group will form a significant part of our new active underwriting segment. In addition to the risks discussed above, the potential challenges of integrating Torus and achieving the anticipated benefits include implementing business and underwriting plans for Torus, establishing operating efficiencies, managing expenses, retaining key employees, improving systems, working effectively with Trident, (our joint venture partner), and assimilating the Torus companies into our internal control system.

Our failure to manage successfully these operational challenges and risks could have a material adverse effect on our business, financial condition or results of operations.

We may not complete future acquisitions within the time frame we anticipate or at all, which could have a negative effect on our business, financial condition or results of operations.

A key part of our business strategy is completing acquisitions. Once we have signed a definitive agreement to acquire a business or portfolio, conditions to closing, such as obtaining regulatory approvals or shareholder approvals, must be met before the acquisition can be consummated. These and other closing conditions may not be satisfied at all, or may cause a material delay in the anticipated timing of closing. In addition, our ability to complete the acquisition on the originally anticipated terms, or at all, could be jeopardized if a seller receives competing proposals, if litigation is brought challenging the transaction or certain of its terms, or if regulators impose unexpected terms and conditions on the transaction. Failure to consummate an acquisition on the originally anticipated terms, or a significant delay in the closing, could result in significant expense, diversion of time and resources, reputational damage, litigation and a failure to realize the anticipated benefits of the acquisition, all of which could materially adversely impact our business, financial condition and results of operations.

Risks Relating to Liquidity and Capital Resources

We may require additional capital and credit in the future that may not be available or may only be available on unfavorable terms.

Our future capital requirements depend on many factors, including acquisition activity, our ability to manage the run-off of our assumed policies, our ability to establish reserves at levels sufficient to cover losses,

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and our underwriting plans. We may need to raise additional funds through equity or debt financings in the future. Our ability to secure this financing may be affected by a number of factors, including volatility in the worldwide financial markets and the strength of our capital position and operating results. Any equity or debt financing, if available at all, may be on terms that are not favorable to us. In the case of equity financings, dilution to our existing shareholders could result, and any securities that are part of such equity financing may have rights, preferences and privileges that are senior to those of our already outstanding securities. If we cannot obtain adequate capital or credit, our business, results of operations and financial condition could be adversely affected by, among other things, our inability to finance future acquisitions.

Uncertain conditions in the economy generally may materially adversely affect our business, results of operations and financial condition.

In the event of financial turmoil affecting the global banking system and financial markets (including the sovereign debt markets), additional consolidation of the financial services industry, or significant financial service institution failures, there could be a new or incremental tightening in the credit markets, low liquidity, and extreme volatility in fixed maturity, credit, currency, and equity markets. This could have a number of effects on our business, including our ability to obtain financing for future acquisitions. Even if financing is available, it may only be available at an unattractive cost of capital, which would decrease our profitability. Economic conditions could also affect demand for and claims made under our products, our counter-party credit risk, and the ability of our customers to establish or maintain their relationships with us.

Net investment income and net realized and unrealized gains or losses also could vary materially from expectations depending on gains or losses realized on the sale or exchange of financial instruments; impairment charges resulting from revaluations of debt and equity securities and other investments; interest rates; cash balances; and changes in the fair value of derivative instruments. Increased volatility in the financial markets and overall economic uncertainty would increase the risk that the actual amounts realized in the future on our financial instruments could differ significantly from the fair values currently assigned to them.

In addition, rating agency downgrades of the U.S. and U.K. government’s credit rating and the credit ratings of certain European countries reflect a concern of the potential default of government issuers and have created broader financial turmoil and uncertainty, which has weighed heavily on the global banking system. These downgrades and any future downgrades of the U.S. and U.K. government’s credit rating and the credit ratings of one or more European countries may materially adversely affect our business, financial condition and results of operations, including the return on and value of our investments.

Reinsurers may not satisfy their obligations to our insurance and reinsurance subsidiaries, which could result in significant losses or liquidity issues for us.

Our insurance and reinsurance subsidiaries are subject to credit risk with respect to their reinsurers because the transfer of risk to a reinsurer does not relieve our subsidiaries of their liability to the insured. Many reinsurance companies have been negatively impacted by the difficult financial and economic conditions since 2008, including unprecedented financial market disruption. A number of these companies, including some of those with which we conduct business, have been downgraded and/or have been placed on negative outlook by various rating agencies. In addition, reinsurers may be unwilling to pay our subsidiaries even though they are able to do so, or disputes may arise regarding payment obligations. The failure of one or more of our subsidiaries’ reinsurers to honor their obligations in a timely fashion may affect our cash flows, reduce our net earnings or cause us to incur a significant loss. Disputes with our reinsurers may also result in unforeseen expenses relating to litigation or arbitration proceedings.

As of December 31, 2013, the balances recoverable from reinsurers amounted to $1.36 billion, of which $256.2 million was associated with one reinsurer, which represented 10% or more of total reinsurance balances recoverable. Of the $256.2 million recoverable from the reinsurer at December 31, 2013, all of it was secured in a trust account held for the benefit of our insurance and reinsurance subsidiaries. Although our exposure to this

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reinsurer is mitigated by the trust fund, exposure to this and any other reinsurers who from time to time represent meaningful percentages of our total reinsurance balances recoverable may increase the risks described above.

We are a holding company, and we are dependent on the ability of our subsidiaries to distribute funds to us.

We are a holding company and conduct substantially all of our operations through subsidiaries. Our only significant assets are the capital stock of our subsidiaries. As a holding company, we are dependent on distributions of funds from our subsidiaries to fund acquisitions, fulfill financial obligations in the normal course of our business, and pay dividends (in the event we sought to do so). Our subsidiaries may not generate sufficient cash from operations to enable us to make future acquisitions, fulfill other financial obligations or pay dividends.

In addition, the ability of our insurance and reinsurance subsidiaries to make distributions to us is limited by applicable insurance laws and regulations (which are described in “Business — Regulation” beginning on page 24). These laws and regulations and the determinations by the regulators implementing them may significantly restrict distributions, and, as a result, our overall liquidity. The ability of all of our subsidiaries to make distributions to us may also be restricted by, among other things, other applicable laws and regulations and the terms of our bank loans and our subsidiaries’ bank loans.

Fluctuations in currency exchange rates may cause us to experience losses.

We maintain a portion of our investments, insurance liabilities and insurance assets denominated in currencies other than U.S. dollars. Consequently, we and our subsidiaries may experience foreign exchange losses, which could adversely affect our results of operations. We publish our consolidated financial statements in U.S. dollars. Therefore, fluctuations in exchange rates used to convert other currencies, particularly Australian dollars, British pounds and Euros, into U.S. dollars will impact our reported financial condition, results of operations and cash flows from year to year.

Our failure to comply with covenants contained in our credit facilities could trigger prepayment obligations, which could adversely affect our results of operations and financial condition.

We and our subsidiaries currently have three outstanding credit facilities: our Revolving Credit Facility, the Clarendon Facility and the SeaBright Facility. These credit facilities contain various business and financial covenants that impose restrictions on us and certain of our subsidiaries with respect to, among other things, limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to certain dispositions of stock and dividends and stock repurchases, investment constraints and limitations on liens on stock. We may also enter into future credit facilities or other debt arrangements containing similar or different restrictive covenants. Our failure to comply with these covenants could result in an event of default under the credit facilities, which could result in us being required to repay the amounts outstanding under these facilities prior to maturity. These prepayment obligations could have an adverse effect on our results of operations and financial condition.

In addition, complying with these covenants could limit our financial and operational flexibility. Our credit facilities are described in more detail in “Management’s Discussion and Analysis of Financial Condition and Results of Operations — Loans Payable” on page 111.

Risks Relating to Our Investments

The value of our insurance and reinsurance subsidiaries’ investment portfolios and the investment income that our insurance and reinsurance subsidiaries receive from these portfolios may decline materially as a result of market fluctuations and economic conditions.

We derive a significant portion of our income from our invested assets, which consist primarily of investments in fixed maturity securities. The net investment income that our subsidiaries realize from investments in fixed maturity securities will generally increase or decrease with changes in interest rates. The fair

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market value of our subsidiaries’ fixed maturity securities generally increases or decreases in an inverse relationship with fluctuations in interest rates, which are highly sensitive to many factors, including governmental monetary policies, domestic and international economic and political conditions and other factors beyond our control. The fair market value can also decrease as a result of any downturn in the business cycle that causes the credit quality of those securities to deteriorate. Any such deterioration of credit ratings on our fixed maturity security investments may result in the need to liquidate these securities in the financial markets. If we are required to liquidate these securities during a period of tightening credit, we may realize a significant loss.

In addition, some of our fixed maturity securities, such as mortgage-backed and other asset-backed securities, carry prepayment risk, or the risk that principal will be returned more rapidly or slowly than expected, as a result of interest rate fluctuations. When interest rates decline, consumers will generally make prepayments on their mortgages, causing us to be repaid more quickly than we might have originally anticipated, meaning that our opportunities to reinvest these proceeds back into the investment markets may be at reduced interest rates (with the converse being true in a rising interest rate environment). Mortgage-backed and other asset-backed securities are also subject to default risk on the underlying securitized mortgages, which would decrease the value of our investments.

The fair market value of our subsidiaries’ fixed maturity securities and short-term investments classified as trading and/or available-for-sale in our subsidiaries’ investment portfolios amounted to $3.9 billion at December 31, 2013. The changes in the market value of our subsidiaries’ securities that are classified as trading or available-for-sale are reflected in our financial statements. Other-than-temporary impairments in the value of our subsidiaries’ fixed maturity securities are also reflected in our financial statements. As a result, a decline in the value of the securities in our subsidiaries’ investment portfolios may materially reduce our net income and shareholders’ equity, and may cause us to incur a significant loss. For more information on our subsidiaries’ investment portfolios, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Investments” on page 102.

Our investments in alternative investments may be illiquid and volatile in terms of value and returns, which could negatively affect our investment income and liquidity.

In addition to fixed maturity securities, we have invested, and may from time to time continue to invest, in alternative investments such as private equity, fixed income, fixed income hedge, equity and real estate debt funds. These and other similar investments may be illiquid due to restrictions on sales, transfers and redemptions, may have different, more significant risk characteristics than our investments in fixed maturity securities and may also have more volatile values and returns, all of which could negatively affect our investment income and liquidity.

Alternative or “other” investments held by our insurance and reinsurance subsidiaries may not meet regulatory admissibility requirements, which may limit our subsidiaries’ ability to make capital distributions to us and, consequently, negatively impact our liquidity. As of December 31, 2013, we had an aggregate fair market value of $569.3 million of such investments, which comprised 10.3% of our total investments, and during the first quarter of 2014, have made commitments with respect to additional alternative investments. For more information on our alternative investments, see “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources — Investments” on page 102.

The valuation of our investments may include methodologies, estimations and assumptions that are subject to differing interpretations and could result in changes to investment valuations that may materially adversely affect our financial condition or results of operations.

Fixed maturity and alternative investments, such as private equity, fixed income, fixed income hedge, equity and real estate debt funds, represent the majority of our total cash and invested assets. Other than fixed maturity securities classified as held-to-maturity and carried at amortized cost, these investments are reported at fair value on our consolidated balance sheet. Fair value prices for all trading and available-for-sale securities in the fixed

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maturities portfolio are independently provided by our investment custodians, investment accounting service providers and investment managers, each of which utilize internationally recognized independent pricing services. We record the unadjusted price provided by our custodians, accounting service providers or managers, after we perform an internal validation process. Fair value for our alternative investments is estimated based primarily on the most recently reported net asset values reported by the fund manager, which we may adjust in our judgment following our internal review.

These valuation procedures for our alternative investments involve estimates and judgments, and during periods of market disruptions (such as periods of significantly rising or high interest rates, rapidly widening credit spreads or illiquidity), it may be difficult to value certain of our securities if trading becomes less frequent or market data becomes less observable. In addition, there may be certain asset classes that are now in active markets with significant observable data that become illiquid due to changes in the financial environment. In these cases, the valuation of a greater number of securities in our investment portfolio may require more subjectivity and management judgment. As a result, valuations may include inputs and assumptions that are less observable or require greater estimation as well as valuation methods that are more sophisticated or require greater estimation, which may result in values that could be less than the value at which the investments could ultimately be sold. Further, rapidly changing and unpredictable credit and equity market conditions could materially affect the valuation of securities carried at fair value as reported within our consolidated financial statements and the period-to-period changes in value could vary significantly. Decreases in value could have a material adverse effect on our financial condition and results of operations.

The nature of our business liquidity demands and the structure of our entities’ investment portfolios may adversely affect the performance of our investment portfolio and financial results and our investing flexibility.

We strive to structure our investments in a manner that recognizes our liquidity needs for future liabilities. Because of the unpredictable nature of losses that may arise under our insurance and reinsurance subsidiaries’ insurance or reinsurance policies and as a result of our opportunistic commutation strategy, our liquidity needs can be substantial and may arise at any time. In that regard, we attempt to correlate the maturity and duration of our investment portfolio to our general liability profile. If we are unsuccessful in managing our investment portfolio within the context of this strategy, we may be forced to liquidate our investments at times and at prices that are not optimal, and we may have difficulty in liquidating some of our alternative investments due to restrictions on sales, transfers and redemptions. This could have a material adverse effect on our business and the performance of our investment portfolio.

We maintain each company within our organization and each acquired portfolio of insurance and reinsurance business in separate stand-alone entities, and therefore, we have many individual portfolios of cash and investments. Each investment portfolio has its own regulatory admissibility requirements, and each run-off entity is likely to have negative cash flows due to commutation activity, claims settlements and capital distributions. These factors reduce our overall investing flexibility.

Risks Relating to Laws and Regulation

Insurance laws and regulations restrict our ability to operate, and any failure to comply with these laws and regulations, or any investigations by government authorities, may have a material adverse effect on our business.

We are subject to extensive regulation under insurance laws and regulations of a number of jurisdictions. Existing laws and regulations limit the amount of dividends that can be paid to us by our insurance and reinsurance subsidiaries, prescribe solvency and capital adequacy standards that they must meet and maintain, impose restrictions on the amount and type of investments that they can hold to meet solvency and capital adequacy requirements and require them to maintain reserve liabilities. Failure to comply with these laws and

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regulations may subject our insurance and reinsurance subsidiaries to fines and penalties, restrict them from conducting business or result in commencement of insurance company delinquency proceedings against a non-compliant insurance or reinsurance subsidiary. The application of these laws and regulations may affect our liquidity and restrict our ability to expand our business operations through acquisitions or to pay dividends on our ordinary shares. Furthermore, compliance with legal and regulatory requirements may result in significant expenses, which could have a negative impact on our profitability. To further understand these risks, see “Business — Regulation” beginning on page 24.

In addition to legal and regulatory requirements, the insurance and reinsurance industry has experienced substantial volatility as a result of current investigations, litigation and regulatory activity by various insurance, governmental and enforcement authorities, including the SEC, concerning certain practices within the insurance and reinsurance industry. Our life insurance subsidiaries may be subject to life industry-specific investigations, including ongoing industry-wide investigations by state attorney generals and other regulators into compliance with unclaimed property laws and practices relating to forced-placed insurance. Insurance and reinsurance companies that we have acquired, or may acquire in the future, may have been or may become involved in these or other investigations and may have lawsuits filed against them. Our involvement in any investigations and related lawsuits would cause us to incur legal costs and, if we or any of our insurance or reinsurance subsidiaries were found to have violated any laws, we could be required to pay fines and damages, perhaps in material amounts.

If we fail to comply with applicable insurance laws and regulations, we may be subject to disciplinary action, damages, penalties or restrictions that may have a material adverse effect on our business.

Our subsidiaries may not have maintained or be able to maintain all required licenses and approvals or maintained or be able to maintain their businesses in full compliance with the laws and regulations to which they are subject, or the relevant insurance regulatory authority’s interpretation of those laws and regulations. In addition, some regulatory authorities have relatively broad discretion to grant, renew or revoke licenses and approvals. If our subsidiaries do not have the requisite licenses and approvals or do not comply with applicable regulatory requirements, the insurance regulatory authorities may preclude or suspend our subsidiaries from carrying on some or all of their activities, place one or more of them into rehabilitation or liquidation proceedings, or impose monetary penalties on them. These types of actions may have a material adverse effect on our business and may preclude us from making future acquisitions or obtaining future management engagements.

Political, regulatory and industry initiatives could adversely affect our business.

Increasingly, governmental authorities seem to be interested in the potential systemic risks posed by the insurance and reinsurance industry as a whole. The insurance regulatory environment has become subject to increased scrutiny across a number of jurisdictions, and authorities regularly consider enhanced or new regulatory requirements and seek to exercise their supervisory authority in new and more extensive ways. Regulators are generally concerned with the protection of policyholders above other constituencies, including our shareholders. Additional laws and regulations have been and may continue to be enacted in the wake of the recent or future financial and credit crises that may have adverse effects on our operations, financial condition and liquidity. We cannot predict the exact nature, timing or scope of these initiatives; however, we believe it is likely there will be increased regulatory intervention in our industry in the future and these initiatives could adversely affect our business.

Changes in current accounting practices and future pronouncements may materially impact our reported financial results.

Unanticipated developments in accounting practices may require us to incur considerable additional expenses to comply with such developments, particularly if we are required to prepare information relating to prior periods for comparative purposes or to apply the new requirements retroactively. The impact of changes in

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current accounting practices and future pronouncements cannot be predicted but may affect the calculation of net income, shareholders’ equity and other relevant financial statement line items. In particular, recent guidance and ongoing projects put in place by standard setters globally have indicated a possible move away from the current insurance accounting models toward more “fair value” based models, which could introduce significant volatility in the earnings of insurance industry participants. Furthermore, rules relating to certain accounting practices in the insurance and reinsurance industry are currently being reviewed by applicable regulatory bodies and any changes required by that review could have a material effect on the reported results of operations and financial condition of the industry or particular market participants.

Risks Relating to our Operations

We are dependent on our executive officers, directors and other key personnel and the loss of any of these individuals could adversely affect our business.

Our success substantially depends on our ability to attract and retain qualified employees and upon the ability of our senior management and other key employees to implement our business strategy. We believe that there are only a limited number of available qualified personnel in the business in which we compete. We rely substantially upon the services of Dominic F. Silvester, our Chief Executive Officer, Paul J. O’Shea and Nicholas A. Packer, our Executive Vice Presidents and Joint Chief Operating Officers, Richard J. Harris, our Chief Financial Officer, and our subsidiaries’ executive officers and directors, as well as our local management teams, to implement our business strategies. The loss of the services of any of our management or other key personnel, or the loss of the services of or our relationships with any of our directors, could have a material adverse effect on our business.

Under Bermuda law, non-Bermudians (other than spouses of Bermudians, holders of a permanent resident’s certificate or holders of a working resident’s certificate) may not engage in any gainful occupation in Bermuda without an appropriate governmental work permit. As a result, if we were to lose any of our key Bermuda-based employees, the work permit laws and policies may hinder our ability to replace them.

Our directors and executive officers may have ownership interests or other involvement with entities that could compete against us, and conflicts of interest might prevent us from pursuing desirable acquisition, investment and other business opportunities.

Our directors and executive officers may have ownership interests or other involvement with entities that could compete against us, either in the pursuit of acquisition targets or in our business operations. On occasion, we have also participated in transactions in which one or more of our directors or executive officers or their affiliates had an interest, and we may do so in the future. The interests of our directors and executive officers in such transactions or such entities may result in a conflict of interest for those directors and officers.

The audit committee of our board of directors, which is comprised entirely of independent directors, reviews any material transactions involving a conflict of interest and may take actions as it deems appropriate in the particular circumstances. We may not be able to pursue all advantageous transactions that we would otherwise pursue in the absence of a conflict, in particular if our audit committee is unable to determine that any such transaction is on terms as favorable as we could otherwise obtain in the absence of a conflict.

If third-party administrators were to breach obligations owed to us, our business and results of operations could be adversely affected.

Certain of our subsidiaries rely on relationships with a number of third-party administrators, under contracts pursuant to which these third-party administrators manage and pay claims on our subsidiaries’ behalf and advise with respect to case reserves. In these relationships, we rely on controls incorporated in the provisions of the administration agreement, as well as on the administrator’s internal controls, to manage the claims process within our prescribed parameters. Although we monitor these administrators on an ongoing basis, our monitoring efforts may not be adequate or our administrators could exceed their authorities or otherwise breach obligations owed to us, which, if material, could adversely affect our business and results of operations.

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With respect to certain of our subsidiaries’ life insurance products, our subsidiaries depend upon the counterparty to an administrative services agreement in order to collect policy premiums and maintain necessary customer data. There is a risk that the counterparty may fail to perform its obligations under the agreement to provide accurate and timely premiums and data, or that we or the counterparty could experience difficulties with the operation of the supporting technology systems. Any of these risks could result in underperformance of our life and annuities business compared to our expectations, and could also have a material adverse effect on our business, financial condition and results of operations.

If we experience difficulties with our information technology assets or cyber security, our business could be adversely affected.

We rely heavily on the successful, uninterrupted functioning of our information technology assets and telecommunications systems, as well as those of any third-party service providers we use. Our business is dependent upon our ability to perform, in an efficient and uninterrupted fashion, necessary business functions, such as paying claims, performing actuarial and other modeling functions, pricing, quoting and processing policies, acquisition work and other necessary legal, financial and business functions. A failure of our information technology assets or telecommunications systems could materially impact our ability to perform these functions, affect the confidentiality, availability or integrity of information or information systems, expose us to litigation and increase our administrative expenses.

Computer viruses, hackers and other external hazards, as well any internal process or employee failures, could expose our information technology assets to security breaches that may cause critical data to be corrupted or confidential or proprietary information to be exposed. The potential consequences of a cyber-security incident could include liability, reputational damage to our company, and dissatisfied customers, policyholders and business partners. Such an incident could cause us to lose business and commit resources, management time and money to remediate these breaches, any of which in turn could have an adverse impact on our business.

Risks Relating to Ownership of Our Ordinary Shares

Our stock price may experience volatility, thereby causing a potential loss of value to our investors.

The market price for our ordinary shares may fluctuate substantially and could cause investment losses due to, among other things, the following factors:

• announcements with respect to an acquisition or investment;

• changes in the value of our assets;

• our quarterly and annual operating results;

• sales, or the possibility or perception of future sales, by our existing shareholders;

• changes in general conditions in the economy and the insurance industry;

• the financial markets; and

• adverse press or news announcements.

A few significant shareholders may influence or control the direction of our business. If the ownership of our ordinary shares continues to be highly concentrated, it may limit your ability and the ability of other shareholders to influence significant corporate decisions.

We have a number of shareholders with large interests, including several that may be affiliated with members of our Board of Directors. The interests of Messrs. Silvester, O’Shea and Packer, Trident V, L.P. and its affiliates (or Trident), Beck Mack & Oliver and Goldman, Sachs & Co. and its affiliates (or Goldman Sachs) may not be fully aligned with your interests, and this may lead to a strategy that is not in your best interest. As of December 31, 2013, Messrs. Silvester, O’Shea and Packer, Trident, Beck Mack and Goldman Sachs beneficially

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owned approximately 8.8%, 1.9%, 2.5%, 9.7%, 8.6% and 4.8%, respectively, of our outstanding voting ordinary shares. Goldman Sachs owns additional non-voting ordinary shares that, together with its voting shares, represented an economic interest of slightly over 20% as of December 31, 2013. In connection with the Amalgamation Agreement to acquire Torus, we will issue voting ordinary shares to affiliates of First Reserve Management, L.P. (or First Reserve) and Corsair Specialty Investors, L.P. (or Corsair) at the closing of the Amalgamation constituting 9.5% and 2.5%, respectively, of our outstanding voting ordinary shares.

Although they do not act as a group, Trident, Beck Mack, Goldman Sachs and each of Messrs. Silvester, O’Shea and Packer (and, following closing of the Amalgamation, First Reserve and Corsair) may exercise significant influence over matters requiring shareholder approval, and their concentrated holdings may delay or deter possible changes in control of Enstar, which may reduce the market price of our ordinary shares.

Some aspects of our corporate structure may discourage third-party takeovers and other transactions, limit voting rights of certain shareholders to 9.5% or prevent the removal of our board of directors and management.

Some provisions of our bye-laws have the effect of making more difficult or discouraging unsolicited takeover bids from third parties or preventing the removal of our current board of directors and management. In particular, our bye-laws make it difficult for any U.S. shareholder or Direct Foreign Shareholder Group (a shareholder or group of commonly controlled shareholders of Enstar that are not U.S. persons) to own or control ordinary shares that constitute 9.5% or more of the voting power of all of our ordinary shares. The votes conferred by such shares will be reduced by whatever amount is necessary so that after any such reduction the votes conferred by such shares will constitute 9.5% of the total voting power of all ordinary shares entitled to vote generally. The primary purpose of this restriction is to reduce the likelihood that we will be deemed a “controlled foreign corporation” within the meaning of Internal Revenue Code of 1986, as amended, or the Code, for U.S. federal tax purposes. However, this limit may also have the effect of deterring purchases of large blocks of our ordinary shares or proposals to acquire us, even if some or a majority of our shareholders might deem these purchases or acquisition proposals to be in their best interests. In addition, our bye-laws provide for a classified board, whose members may be removed by our shareholders only for cause by a majority vote, and contain restrictions on the ability of shareholders to nominate persons to serve as directors, submit resolutions to a shareholder vote and request special general meetings.

These bye-law provisions make it more difficult to acquire control of us by means of a tender offer, open market purchase, proxy contest or otherwise. These provisions may encourage persons seeking to acquire control of us to negotiate with our directors, which we believe would generally best serve the interests of our shareholders. However, these provisions may have the effect of discouraging a prospective acquirer from making a tender offer or otherwise attempting to obtain control of us. In addition, these bye-law provisions may prevent the removal of our current board of directors and management. To the extent these provisions discourage takeover attempts, they may deprive shareholders of opportunities to realize takeover premiums for their shares or may depress the market price of the shares.

There are regulatory limitations on the ownership and transfer of our ordinary shares.

Insurance laws and regulations in the jurisdictions in which our insurance and reinsurance subsidiaries operate require prior notices or regulatory approval of changes in control of an insurer or its holding company. Different jurisdictions define changes in control differently, and generally any purchaser of 10% or more of our ordinary shares could become subject to regulation and required to file certain notices and reports with the applicable insurance authorities (although in certain jurisdictions these obligations apply to a purchaser of 5% or more of our ordinary shares). These laws may discourage potential acquisition proposals and may delay, deter or prevent a change in control of us, including transactions that some shareholders might consider to be desirable.

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The market value of our ordinary shares may decline if large numbers of shares are sold, including pursuant to existing registration rights.

We have a registration rights agreement with Mr. Silvester, Trident and certain other of our shareholders. This agreement provides that Mr. Silvester and Trident may request that we effect a registration under the Securities Act of 1933, as amended (or the Securities Act) of certain of their ordinary shares. We have also entered into a registration rights agreement with Goldman Sachs in connection with our private placement in 2011, which provides that it may make two requests that we effect a registration under the Securities Act of the voting ordinary shares and non-voting ordinary shares issued to them in the private placement. In connection with the Amalgamation Agreement to acquire Torus, we will enter into a registration rights agreement with First Reserve and Corsair at the closing of the Amalgamation. The agreement will require us to file a resale shelf registration statement for their Registrable Securities within 20 business days after the closing, and will provide that, at any time after the six month anniversary of the closing, First Reserve may make three requests that we effect a registration under the Securities Act of its voting ordinary shares (including any voting ordinary shares into which First Reserve’s non-voting preferred shares may convert) and that Corsair may make one such request.

All of these investors also have (or, in the case of First Reserve and Corsair, will have) “piggyback” registration rights with respect to our registration of voting ordinary shares for our own account or for the account of one or more of our shareholders. As of December 31, 2013, the following shares are subject to these registration rights agreements: (i) an aggregate of approximately 2.3 million voting ordinary shares held by Mr. Silvester and Trident and (ii) 665,529 voting ordinary shares and 2,725,637 non-voting ordinary shares held by Goldman Sachs.

By exercising their registration rights, these holders could cause a large number of ordinary shares to be registered and generally become freely tradable without restrictions under the Securities Act immediately upon the effectiveness of the registration. Our ordinary shares have in the past been, and may from time to time continue to be, thinly traded, and significant sales, pursuant to the existing registration rights or otherwise, could adversely affect the market price for our ordinary shares and impair our ability to raise capital through offerings of our equity securities.

Because we are incorporated in Bermuda, it may be difficult for shareholders to serve process or enforce judgments against us or our directors and officers.

We are a Bermuda company. In addition, certain of our officers and directors reside in countries outside the United States. All or a substantial portion of our assets and the assets of these officers and directors are or may be located outside the United States. Investors may have difficulty effecting service of process within the United States on our directors and officers who reside outside the United States or recovering against us or these directors and officers on judgments of U.S. courts based on civil liabilities provisions of the U.S. federal securities laws even though we have appointed an agent in the United States to receive service of process. Further, no claim may be brought in Bermuda against us or our directors and officers for violation of U.S. federal securities laws, as such laws do not have force of law in Bermuda. A Bermuda court may, however, impose civil liability, including the possibility of monetary damages, on us or our directors and officers if the facts alleged in a complaint constitute or give rise to a cause of action under Bermuda law.

We believe that there is doubt as to whether the courts of Bermuda would enforce judgments of U.S. courts obtained in actions against us or our directors and officers, as well as our independent auditors, predicated upon the civil liability provisions of the U.S. federal securities laws or original actions brought in Bermuda against us or these persons predicated solely upon U.S. federal securities laws. Further, there is no treaty in effect between the United States and Bermuda providing for the enforcement of judgments of U.S. courts, and there are grounds upon which Bermuda courts may not enforce judgments of U.S. courts. Some remedies available under the laws of U.S. jurisdictions, including some remedies available under the U.S. federal securities laws, may not be allowed in Bermuda courts as contrary to that jurisdiction’s public policy. Because judgments of U.S. courts are

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not automatically enforceable in Bermuda, it may be difficult for you to recover against us based upon such judgments.

Shareholders who own our ordinary shares may have more difficulty in protecting their interests than shareholders of a U.S. corporation.

The Bermuda Companies Act, or the Companies Act, which applies to us, differs in certain material respects from laws generally applicable to U.S. corporations and their shareholders. As a result of these differences, shareholders who own our shares may have more difficulty protecting their interests than shareholders who own shares of a U.S. corporation. For example, class actions and derivative actions are generally not available to shareholders under Bermuda law. Under Bermuda law, only shareholders holding collectively 5% or more of our outstanding ordinary shares or numbering 100 or more are entitled to propose a resolution at our general meeting.

We do not intend to pay cash dividends on our ordinary shares.

We do not intend to pay a cash dividend on our ordinary shares. Rather, we intend to use any retained earnings to fund the development and growth of our business. From time to time, our board of directors will review our alternatives with respect to our earnings and seek to maximize value for our shareholders. In the future, we may decide to commence a dividend program for the benefit of our shareholders. Any future determination to pay dividends will be at the discretion of our board of directors and will be limited by our position as a holding company that lacks direct operations, the results of operations of our subsidiaries, our financial condition, cash requirements and prospects and other factors that our board of directors deems relevant. In addition, there are significant regulatory and other constraints that could prevent us from paying dividends in any event. As a result, capital appreciation, if any, on our ordinary shares may be your sole source of gain for the foreseeable future.

Our board of directors may decline to register a transfer of our ordinary shares under certain circumstances.

Our board of directors may decline to register a transfer of ordinary shares under certain circumstances, including if it has reason to believe that any non-de minimis adverse tax, regulatory or legal consequences to us, any of our subsidiaries or any of our shareholders may occur as a result of such transfer. Further, our bye-laws provide us with the option to repurchase, or to assign to a third party the right to purchase, the minimum number of shares necessary to eliminate any such non-de minimis adverse tax, regulatory or legal consequence. In addition, our board of directors may decline to approve or register a transfer of shares unless all applicable consents, authorizations, permissions or approvals of any governmental body or agency in Bermuda, the United States or any other applicable jurisdiction required to be obtained prior to such transfer shall have been obtained. The proposed transferor of any shares will be deemed to own those shares for dividend, voting and reporting purposes until a transfer of such shares has been registered on our shareholders register.

It is our understanding that while the precise form of the restrictions on transfer contained in our bye-laws is untested, as a matter of general principle, restrictions on transfers are enforceable under Bermuda law and are not uncommon. These restrictions on transfer may also have the effect of delaying, deferring or preventing a change in control.

Risks Relating to Taxation

We might incur unexpected U.S., U.K. or Australia tax liabilities if companies in our group that are incorporated outside those jurisdictions are determined to be carrying on a trade or business there.

We and a number of our subsidiaries are companies formed under the laws of Bermuda or other jurisdictions that do not impose income taxes; it is our contemplation that these companies will not incur substantial income tax liabilities from their operations. Because the operations of these companies generally involve, or relate to, the insurance

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or reinsurance of risks that arise in higher tax jurisdictions, such as the United States, United Kingdom and Australia, it is possible that the taxing authorities in those jurisdictions may assert that the activities of one or more of these companies creates a sufficient nexus in that jurisdiction to subject the company to income tax there. There are uncertainties in how the relevant rules apply to insurance businesses, and in our eligibility for favorable treatment under applicable tax treaties. Accordingly, it is possible that we could incur substantial unexpected tax liabilities.

U.S. persons who own our ordinary shares might become subject to adverse U.S. tax consequences as a result of “related person insurance income,” or RPII, if any, of our non-U.S. insurance company subsidiaries.

If the RPII rules of the Code were to apply to us, a U.S. person who owns our ordinary shares directly or indirectly through foreign entities on the last day of the taxable year would be required to include in income for U.S. federal income tax purposes the shareholder’s pro rata share of our non-U.S. subsidiaries’ RPII for the entire taxable year, determined as if that RPII were distributed proportionately to the U.S. shareholders at that date regardless whether any actual distribution is made. In addition, any RPII that is includible in the income of a U.S. tax-exempt organization would generally be treated as unrelated business taxable income. Although we and our subsidiaries intend to generally operate in a manner so as to qualify for certain exceptions to the RPII rules, there can be no assurance that these exceptions will be available. Accordingly, there can be no assurance that U.S. persons who own our ordinary shares will not be required to recognize gross income inclusions attributable to RPII.

In addition, the RPII rules provide that if a shareholder who is a U.S. person disposes of shares in a foreign insurance company that has RPII and in which U.S. persons collectively own 25% or more of the total combined voting power of all classes of stock entitled to vote, or the total value of the stock, any gain from the disposition will generally be treated as dividend income to the extent of the shareholder’s share of the corporation’s undistributed earnings and profits that were accumulated during the period that the shareholder owned the shares (whether or not those earnings and profits are attributable to RPII). Such a shareholder would also be required to comply with certain reporting requirements, regardless of the amount of shares owned by the shareholder. These rules should not apply to dispositions of our ordinary shares because we will not be directly engaged in the insurance business. The RPII rules, however, have not been interpreted by the courts or the U.S. Internal Revenue Service, or the IRS, and regulations interpreting the RPII rules exist only in proposed form. Accordingly, there is no assurance that our views as to the inapplicability of these rules to a disposition of our ordinary shares will be accepted by the IRS or a court.

U.S. persons who own our ordinary shares would be subject to adverse tax consequences if we or one or more of our non-U.S. subsidiaries were considered a “passive foreign investment company,” or PFIC, for U.S. federal income tax purposes.

We believe that we and our non-U.S. subsidiaries will not be PFICs for U.S. federal income purposes for the current year. Moreover, we do not expect to conduct our activities in a manner that will cause us or any of our non-U.S. subsidiaries to become a PFIC in the future. However, there can be no assurance that the IRS will not challenge this position or that a court will not sustain such challenge. Accordingly, it is possible that we or one or more of our non-U.S. subsidiaries might be deemed a PFIC by the IRS or a court for the current year or any future year. If we or one or more of our non-U.S. subsidiaries were a PFIC, it could have material adverse tax consequences for an investor that is subject to U.S. federal income taxation, including subjecting the investor to a substantial acceleration and/or increase in tax liability. There are currently no regulations regarding the application of the PFIC provisions of the Code to an insurance company, so the application of those provisions to insurance companies remains unclear in certain respects.

U.S. persons who own 10 percent or more of our shares may be subject to taxation under the “controlled foreign corporation,” or CFC, rules.

A U.S. person that is a “10% U.S. Shareholder” of a non-U.S. corporation (i.e., a U.S. person who owns or is treated as owning at least 10% of the total combined voting power of all classes of stock entitled to vote of the

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non-U.S. corporation) that is a CFC for an uninterrupted period of 30 days or more during a taxable year, that owns shares in the CFC directly or indirectly through non-U.S. entities on the last day of the CFC’s taxable year, must include in its gross income for U.S. federal income tax purposes its pro rata share of the CFC’s “subpart F income,” even if the subpart F income is not distributed. “Subpart F income” of a non-U.S. insurance corporation typically includes foreign personal holding company income (such as interest, dividends and other types of passive income), as well as insurance and reinsurance income (including underwriting and investment income).

A non-U.S. corporation is considered a CFC if “10% U.S. Shareholders” own (directly, indirectly through non-U.S. entities or by attribution by application of the constructive ownership rules of section 958(b) of the Code (i.e., “constructively”)) more than 50% of the total combined voting power of all classes of stock of that foreign corporation, or the total value of all stock of that foreign corporation. For purposes of taking into account insurance income, a CFC also includes a non-U.S. insurance company in which more than 25% of the total combined voting power of all classes of stock (or more than 25% of the total value of the stock) is owned directly, indirectly through non-U.S. entities or constructively by 10% U.S. Shareholders on any day during the taxable year of such corporation, if the gross amount of premiums or other consideration for the reinsurance or the issuing of insurance exceeds 75% of the gross amount of all premiums or other consideration in respect of all risks.

We believe that because of the dispersion of our share ownership, and provisions in our organizational documents that limit voting power, no U.S. person (including our subsidiary Enstar USA, Inc., which owns certain of our non-voting shares) should be treated as owning (directly, indirectly through non-U.S. entities or constructively) 10% or more of the total combined voting power of all classes of our shares. However, the IRS could successfully challenge the effectiveness of these provisions in our organizational documents. Accordingly, no assurance can be given that a U.S. person who owns our shares will not be characterized as a 10% U.S. Shareholder.

Changes in U.S. federal income tax law could materially affect us or our shareholders.

Legislation has been proposed on various occasions to eliminate perceived tax advantages of insurance companies that have legal domiciles outside the United States but have certain U.S. connections. For example, legislation has been proposed to disallow the deduction of reinsurance premiums paid by U.S. companies to certain non-U.S. affiliates, although no such provision has been enacted to date. It is possible that such legislation could be enacted or similar legislation could be introduced in and enacted by the current Congress or future Congresses and enactment of some version of such legislation, or other changes in U.S. tax laws, regulations or interpretations thereof, could have an adverse impact on us or our shareholders.

ITEM 1B. UNRESOLVED STAFF COMMENTS

Not applicable

ITEM 2. PROPERTIES.

We lease office space in Hamilton, Bermuda, where our principal executive office is located. We also lease office space in a number of U.S. states, the United Kingdom, Australia and Ireland. Upon closing of the Torus amalgamation, we will acquire additional leased offices in Bermuda, India, the United Kingdom, several U.S. states and several European countries.

We renew and enter into new leases in the ordinary course of our business. We believe that this office space is sufficient for us to conduct our current operations for the foreseeable future, although in connection with future acquisitions from time to time, we may expand to different locations or increase space to support any such growth.

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ITEM 3. LEGAL PROCEEDINGS

We are, from time to time, involved in various legal proceedings in the ordinary course of business, including litigation regarding claims. We do not believe that the resolution of any currently pending legal proceedings, either individually or taken as a whole, will have a material adverse effect on our business, results of operations or financial condition. Nevertheless, we cannot assure you that lawsuits, arbitrations or other litigation will not have a material adverse effect on our business, financial condition or results of operations. We anticipate that, similar to the rest of the insurance and reinsurance industry, we will continue to be subject to litigation and arbitration proceedings in the ordinary course of business, including litigation generally related to the scope of coverage with respect to asbestos and environmental claims. There can be no assurance that any such future litigation will not have a material adverse effect on our business, financial condition or results of operations.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable

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PART II

ITEM 5. MARKET FOR THE REGISTRANT’S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

Our ordinary shares trade on the NASDAQ Global Select Market under the ticker symbol ESGR.

Price Range of Ordinary Shares

The price range per ordinary share presented below represents the highest and lowest sales prices for our common stock on the NASDAQ Global Select Market during each quarter of the two most recent years.

	2013				2012
	High		Low		High		Low
First Quarter	$	129.83	$	112.72	$	101.70	$	94.94
Second Quarter	$	138.99	$	118.56	$	101.00	$	89.00
Third Quarter	$	147.85	$	131.17	$	105.44	$	90.51
Fourth Quarter	$	142.67	$	131.46	$	112.06	$	97.00

Holders

On March 2, 2014, there were 2,025 shareholders of record of our voting ordinary shares and 5 shareholders of record of our non-voting ordinary shares. The number of shareholders of record of our voting ordinary shares does not represent the actual number of beneficial owners of our voting ordinary shares because shares are frequently held in “street name” by securities dealers and others for the benefit of beneficial owners who may vote the shares.

Dividends

We are a holding company and have no direct operations. Our ability to pay dividends or distributions depends almost exclusively on the ability of our subsidiaries to pay dividends to us. Under applicable law, our subsidiaries may not declare or pay a dividend if there are reasonable grounds for believing that they are, or would after the payment be, unable to pay their liabilities as they become due, or the realizable value of their assets would thereby be less than the aggregate of their liabilities and their issued share capital and share premium accounts. Additional restrictions apply to the ability of our insurance and reinsurance subsidiaries to distribute capital and pay dividends, as described in “Business — Regulation” beginning on page 24, “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations — Liquidity and Capital Resources” beginning on page 98, and “Note 20 — Retained Earnings and Statutory Restrictions” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K. In addition, our outstanding credit facilities contain restrictions on our ability and certain of our subsidiaries’ ability to pay dividends.

We do not intend to pay a dividend on our ordinary shares, and we did not pay any dividends on our ordinary shares in 2013 or 2012. Rather, we intend to reinvest distributions from our subsidiaries back into the company. For a further description, see “Risk Factors — Risks Relating to Ownership of Our Ordinary Shares — We do not intend to pay cash dividends on our ordinary shares” beginning on page 47.

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Company Stock Performance

A graph reflecting our stock performance is included below. The graph reflects the investment of $100.00 on December 31, 2008 (assuming the reinvestment of dividends) in our ordinary shares, the NASDAQ Composite Index, and the NASDAQ Insurance Index.

	12/08		12/09		12/10		12/11		12/12		12/13
Enstar Group Limited	$	100.00	$	123.47	$	143.02	$	166.05	$	189.35	$	234.88
NASDAQ Composite	$	100.00	$	144.88	$	170.58	$	171.30	$	199.99	$	283.39
NASDAQ Insurance	$	100.00	$	104.47	$	122.01	$	125.30	$	144.02	$	187.60

Issuer Purchases of Equity Securities

None.

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ITEM 6. SELECTED FINANCIAL DATA

The following selected historical financial information for each of the past five fiscal years has been derived from our audited historical financial statements. This information is only a summary and should be read in conjunction with “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” and our audited consolidated financial statements and notes thereto included in Item 8 of this report. The results of operations for past accounting periods are not necessarily indicative of the results to be expected for any future accounting period.

Since our inception, we have made numerous acquisitions of companies and portfolios of business that impact the comparability between periods of the information reflected below. In particular, our 2013 acquisitions of SeaBright, Pavonia, Arden and Atrium impact comparability to other periods, including with respect to net premiums earned. Our acquisitions are described in “Item 1. Business — Recent Transactions” and Notes 3 and 4 to our audited consolidated financial statements included in Item 8 of this report.

	Years Ended December 31,
	2013			2012			2011			2010			2009
	(in thousands of U.S. dollars, except share and per share data)
Summary Consolidated Statements of Earnings Data:
Net premiums earned	$	239,807		$	3,511		$	3,543		$	—		$	—
Fees and commission income		12,817			8,570			17,858			23,015			16,104
Net investment income and net realized and unrealized gains (losses)		163,946			151,372			77,890			113,043			85,608
Gain on bargain purchase		—			—			13,105			—			—
Net reduction in ultimate losses and loss adjustment expense liabilities		163,672			237,953			293,461			311,834			259,627
Life and annuity policy benefits		(78,354	)		300			(1,557	)		—			—
Acquisition costs		(23,199	)		—			—			—			—
Total other expenses		(254,867	)		(210,187	)		(195,842	)		(242,865	)		(184,331	)
Share of earnings of partly owned company		—			—			—			10,704			—
Net earnings		223,822			191,519			208,458			215,731			177,008
Less: Net earnings attributable to noncontrolling interests		(15,218	)		(23,502	)		(54,765	)		(41,645	)		(41,798	)
Net earnings attributable to Enstar Group Limited	$	208,604		$	168,017		$	153,693		$	174,086		$	135,210
Per Share Data(1):
Net earnings per share attributable to Enstar Group Limited ordinary shareholders — basic	$	12.62		$	10.22		$	11.03		$	12.91		$	10.01
Net earnings per share attributable to Enstar Group Limited ordinary shareholders — diluted	$	12.49		$	10.10		$	10.81		$	12.66		$	9.84
Weighted average ordinary shares outstanding — basic		16,523,369			16,441,461			13,930,221			13,489,221			13,514,207
Weighted average ordinary shares outstanding — diluted		16,703,442			16,638,021			14,212,440			13,751,256			13,744,661

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	December 31,
	2013		2012		2011		2010		2009
	(in thousands of U.S. dollars, except per share data)
Summary Balance Sheet Data:
Total investments	$	5,519,798	$	3,352,875	$	3,335,199	$	2,429,106	$	1,620,992
Cash and cash equivalents and restricted cash and cash equivalents		1,041,498		954,855		1,223,665		1,455,354		1,700,105
Reinsurance balances recoverable		1,363,819		1,122,919		1,789,582		961,442		638,262
Total assets		8,620,155		5,878,261		6,606,138		5,235,904		4,170,842
Losses and loss adjustment expense liabilities		4,219,905		3,650,127		4,272,082		3,291,275		2,479,136
Policy benefits for life and annuity contracts		1,273,100		11,027		10,835		—		—
Loans payable		452,446		107,430		242,710		245,278		254,961
Total Enstar Group Limited shareholders’ equity		1,755,523		1,553,755		1,386,066		948,421		801,881
Book Value per Share(2):
Basic	$	106.21	$	94.29	$	84.56	$	73.29	$	59.05
Diluted	$	105.20	$	93.30	$	82.97	$	71.68	$	58.06
Shares Outstanding:
Basic		16,528,343		16,477,809		16,391,076		12,940,660		13,579,695
Diluted		16,707,115		16,653,120		16,705,767		13,231,320		13,811,247

(1) Earnings per share is a measure based on net earnings divided by weighted average ordinary shares outstanding. Basic earnings per share is defined as net earnings available to ordinary shareholders divided by the weighted average number of ordinary shares outstanding for the period, giving no effect to dilutive securities. Diluted earnings per share is defined as net earnings available to ordinary shareholders divided by the weighted average number of shares and share equivalents outstanding calculated using the treasury stock method for all potentially dilutive securities. When the effect of dilutive securities would be anti-dilutive, these securities are excluded from the calculation of diluted earnings per share.

(2) Basic book value per share is defined as total Enstar Group Limited shareholders’ equity available to ordinary shareholders divided by the number of ordinary shares outstanding as at the end of the period, giving no effect to dilutive securities. Diluted book value per share is defined as total shareholders’ equity available to ordinary shareholders divided by the number of ordinary shares and ordinary share equivalents outstanding at the end of the period, calculated using the treasury stock method for all potentially dilutive securities.

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ITEM 7. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial statements and the related notes included elsewhere in this annual report. Some of the information contained in this discussion and analysis or included elsewhere in this annual report, including information with respect to our plans and strategy for our business, includes forward-looking statements that involve risks, uncertainties and assumptions. Our actual results and the timing of events could differ materially from those anticipated by these forward-looking statements as a result of many factors, including those discussed under “Cautionary Statement Regarding Forward-Looking Statements,” “Risk Factors” and elsewhere in this annual report.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

Table of Contents

Section	Page
Business Overview		55
Key Performance Indicators		56
Drivers of Book Value Growth		57
Critical Accounting Policies		58
Accounting for Acquisitions — Fair Value Measurement — Non-life Run-off		59
Losses and Loss Adjustment Expenses — Non-life Run-off		60
Losses and Loss Adjustment Expenses — Active Underwriting		73
Net Reduction in Ultimate Losses and Loss Adjustment Expense Liabilities		74
Policy Benefits for Life and Annuity Contracts		74
Reinsurance Balances Recoverable		75
Premium Revenue Recognition		75
Investments		76
Goodwill		79
Intangible Assets		79
Redeemable Noncontrolling Interest		79
Consolidated Results of Operations — for the Years Ended December 31, 2013, 2012, and 2011		80
Segment Reporting		83
Results of Operations by Segment — for the Years Ended December 31, 2013, 2012, and 2011		84
Non-life Run-off Segment		84
Life and Annuities Segment		94
Active Underwriting Segment		97
Liquidity and Capital Resources		98
Reinsurance Balances Recoverable		99
Cash Flows		100
Investments		102
Loans Payable		111
Aggregate Contractual Obligations		114
Commitments and Contingencies		114
Off-Balance Sheet Arrangements		115

Business Overview

We are a Bermuda-based holding company with a core focus of acquiring and managing insurance and reinsurance companies in run-off and portfolios of insurance and reinsurance business in run-off, and providing management, consulting and other services to the insurance and reinsurance industry.

Until 2013, all but one of our acquisitions had been in the non-life run-off business, which for us generally includes property and casualty, workers’ compensation, asbestos and environmental, construction defect, marine, aviation and transit, and other closed business.

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While our core focus remains the same, we have recently diversified our business profile in two distinct ways: first, by significantly increasing our closed life and annuities business through our acquisition of Pavonia, and second, by entering into the active underwriting business through our acquisitions of Atrium and Arden. Our active underwriting business will expand in 2014 following the closing of our acquisition of Torus, a transaction that we agreed to in July 2013 and that we expect to close in the first quarter of 2014. We are partnering with the Trident V funds in each of these active underwriting acquisitions, with Enstar taking 60% equity interests and Trident taking 40% equity interests.

Our strategies with respect to these new lines of business and our core non-life run-off business are discussed in “Item 1. Business — Company Overview” and “—Strategy,” beginning on page 5.

We operate our business internationally through our insurance and reinsurance subsidiaries and our consulting subsidiaries in Bermuda, the United Kingdom, the United States, Europe and Australia.

The table below summarizes the total number of employees we had as at December 31, 2013 by operating segment:

	2013		2012
Non-life run-off		529		379
Life and annuities		49		4
Active underwriting		161		—
Total		739		383

Upon completion of the Torus acquisition, we expect our total number of employees to increase by approximately 600 to 1,339. All of these new employees will be included as part of our active underwriting segment.

Key Performance Indicators

Our primary corporate objective is growing our net book value per share. We believe this is driven primarily by growth in our net earnings, which is in turn driven in large part by successfully completing new acquisitions, effectively managing companies and portfolios of business that we have acquired, and executing on our active underwriting strategies. Our growth in book value per share on a fully diluted basis since becoming a public company on January 31, 2007 is set forth in the table below. We have achieved a compounded annual growth rate on our fully diluted book value per share of approximately 18.6% during this time.

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Drivers of Book Value Growth

During the year ended December 31, 2013, we increased our book value per share on a fully diluted basis by 12.8% to $105.20 per share. We grow our book value primarily in the following ways:

• settling our non-life run-off net loss reserves from acquired businesses below their acquired fair value (net reduction in ultimate losses and loss adjustment expense liabilities);

• earning premiums in excess of related losses for our life and annuities and active underwriting segments (although during 2013 we also earned premiums in our non-life run-off segment as we implemented the run-off process at SeaBright) (net premiums earned);

• generating investment income on our cash and investment portfolios (net investment income and net realized and unrealized gains);

• earning fees and commission income by providing expert run-off management services for a fixed and/or incentive based fee in our non-life run-off segment, and by providing managing general agency services through Atrium in our active underwriting segment (fees and commission income); and

• managing our expenses as we continue to grow our operations (expenses).

The following description summarizes these and other financial statement measures that largely drive the amount of book value per share that we attain.

Net Reduction in Ultimate Losses and Loss Adjustment Expense Liabilities

Our non-life run-off segment earnings comprise primarily reductions, or potential increases, of net ultimate losses and loss adjustment expense liabilities. These liabilities are comprised of outstanding loss or case reserves (or OLR), losses incurred but not reported (or IBNR) and unallocated loss adjustment expenses (or ULAE) reserves.

Net ultimate losses and loss adjustment expense liabilities established by management utilizing analysis performed by independent actuaries prepared on an annual basis are reviewed by our management each quarter. Reserves reflect management’s best estimate of the remaining unpaid portion of these liabilities. Prior period estimates of net ultimate losses and loss adjustment expense liabilities may change as our management considers the combined impact of commutations, policy buy-backs, settlement of losses on carried reserves and the trend of incurred loss development compared to prior forecasts. Net reductions in ultimate losses and loss adjustment expense liabilities are reported as negative expenses by us. For more information on how the reserves are calculated, see “— Critical Accounting Policies — Losses and Loss Adjustment Expenses” on page 60.

Net Premiums Earned

We derive income from premiums from our insurance and reinsurance businesses. Insurance and reinsurance premiums are a function of the amount and type of contracts written as well as prevailing market prices and conditions. Property and casualty premiums are earned over the terms of the underlying coverage. Life and annuity premiums are generally earned when the premium is due from policyholders. Each of our insurance and reinsurance contracts contain different pricing, terms and conditions and expected profit margins. Therefore, the amount of premiums is not necessarily an accurate indicator of our anticipated profitability. Premium estimates are based upon information in underlying contracts and data received from clients, cedants and brokers. Changes in premium estimates are expected and may result in significant adjustments in any period. These estimates change over time as additional information regarding the underlying business volume or insured values of our clients is obtained. There is often a delay in the receipt of updated premium information from clients due to the time lag in preparing and reporting the data to us. After review by our underwriters and finance staff, we increase or decrease premium estimates as updated information from our clients is received.

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Net Investment Income and Net Realized and Unrealized Gains

Our net investment income is a function of the average invested assets and the average yield that we earn on those invested assets. The investment yield on our fixed maturities investments is a function of market interest rates as well as the credit quality and duration of our fixed maturities portfolio. Our net realized and unrealized gains or losses on investments includes realized gains and losses on our fixed maturity securities and changes in fair value of our trading and available-for-sale securities and other investments. We recognize realized gains and losses at the time of sale, and they, along with the changes in fair value of our trading and available-for-sale securities reflect the results of changing market conditions, including changes in market interest rates and changes in the market’s perception of the credit quality of our fixed maturities holdings. The change in fair value of other investments is principally a function of the success of the funds in which we are invested, which depends on, among other things, the underlying strategies of the funds, the ability of the fund managers to execute the fund strategies and general economic and investment market conditions.

Fees and Commission Income

Our non-life run-off segment generates fee income for run-off and claims services based on a combination of fixed and success-based fee arrangements. Fee income will vary from period to period depending on the timing of completion of success-based fee arrangements. Success-based fees are recorded when targets related to overall project completion or profitability goals are achieved. Our active underwriting segment earns profit commission income related to the provision of managing general agency services to the syndicate 609 and its third-party members.

Expenses

Salaries and Benefits

We are a service-based company and, as such, employee salaries and benefits are our largest expense. We have experienced significant increases in our salaries and benefits expenses as we have grown our operations, and we expect that trend to continue if we are able to expand our operations successfully.

We provide for the annual grant of bonus compensation to our officers and employees, including our senior executive officers. Bonus awards are based on a percentage of our consolidated net after-tax profits. The percentage is 15% unless our Compensation Committee exercises its discretion to change the percentage no later than 30 days after our year end. Bonus awards are payable in cash, ordinary shares or a combination of both.

General and Administrative Expenses

General and administrative expenses include rent and rent-related costs, professional fees (legal, investment, audit and actuarial) and travel expenses. We have operations in multiple jurisdictions and our employees travel frequently in connection with the search for acquisition opportunities and in the general management of the business.

Net Earnings Attributable to Noncontrolling Interest

Net earnings attributable to noncontrolling interest relates to the share of earnings of our subsidiaries in which there is either a noncontrolling interest or a redeemable noncontrolling interest.

Critical Accounting Policies

We believe the following accounting policies affect the more significant judgment and estimates used in the preparation of our financial statements.

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Accounting for Acquisitions — Fair Value Measurement

Non-Life Run-off

The most significant liability and asset of an acquired company are typically the liability for losses and loss adjustment expenses and the asset related to any reinsurance balances recoverable on these liabilities that may be contractually due to the acquired entity. The market for acquisition of run-off companies is not sufficiently active and transparent to enable us to identify reliable, market exit values for acquired assets and liabilities. Accordingly, consistent with provisions of U.S. GAAP, we have developed internal models that we believe allow us to determine fair values that are reasonable proxies for market exit values. We are familiar with the major participants in the acquisition run-off market and believe that the key assumptions we make in valuing acquired assets and liabilities are consistent with the kinds of assumptions made by such market participants. Furthermore, in our negotiation of purchase prices with sellers, it is frequently clear to us that other bidders in the market are using models and assumptions similar in nature to ours during the competitive bid process. The majority of acquisitions are completed following a public tender process whereby the seller invites market participants to provide bids for the target acquisition.

We account for acquisitions using the purchase method of accounting, which requires that the acquirer record the assets and liabilities acquired at their estimated fair value. The fair values of each of the insurance and reinsurance assets and liabilities acquired are derived from probability-weighted ranges of the associated projected cash flows, based on actuarially prepared information and management’s run-off strategy. Our run-off strategy, as well as that of other run-off market participants, is expected to be different from the seller’s as generally sellers are not specialized in running off insurance and reinsurance liabilities whereas we and other market participants do specialize in such run-offs.

The key assumptions used by us and, we believe, by other run-off market participants in the fair valuation of acquired companies are (i) the projected payout, timing and amounts of claims liabilities; (ii) the related projected timing and amount of reinsurance collections; (iii) a risk-free discount rate, which is applied to determine the present value of the future cash flows; (iv) the estimated unallocated loss adjustment expenses to be incurred over the life of the run-off; (v) the impact that any accelerated run-off strategy may have on the adequacy of acquired bad debt provisions; and (vi) an appropriate risk margin.

The probability-weighted projected cash flows of the acquired company are based on projected claims payouts provided by the seller predominantly in the form of the seller’s most recent independent actuarial reserve report. In the absence of the seller’s actuarial reserve report, our independent actuaries will determine the estimated claims payout.

With respect to our U.K., Bermudian and Australian insurance and reinsurance subsidiaries, we are able to pursue strategies to achieve complete finality and conclude the run-off of a company by promoting solvent schemes of arrangement. Solvent schemes of arrangement are a popular means of achieving financial certainty and finality for insurance and reinsurance companies incorporated or managed in the U.K., Bermuda and Australia by making a one-time full and final settlement of an insurance and reinsurance company’s liabilities to policyholders. On acquisition of a U.K., Bermudian or Australian company, the claims payout projection is weighted according to management’s estimated probability of being able to complete a solvent scheme of arrangement. To the extent that solvent schemes of arrangement are not available to an acquired company, no weighting is applied to the projected claims payout.

On acquisition, we make a provision for unallocated loss adjustment expense liabilities. This provision considers the adequacy of the provision maintained and recorded by the seller in light of our run-off strategy and estimated unallocated loss adjustment expenses to be incurred over the life of the acquired run-off as projected by the seller’s actuaries or, in their absence, our actuaries. To the extent that our estimate of the total unallocated loss adjustment expense provision is different from the seller’s, an adjustment will be made. While our objective is to accelerate the run-off by completing commutations of assumed and ceded business (which would have the

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effect of shortening the life, and therefore the cost, of the run-off), the success of this strategy is far from certain. Therefore, the estimates of unallocated loss adjustment expenses are based on running off the liabilities and assets over the actuarially projected life of the run-off. In those domiciles where solvent schemes of arrangement are available, management’s estimates of the total unallocated loss adjustment expenses are probability-weighted in accordance with the estimated time that a solvent scheme of arrangement could be completed, which has the effect of reducing the period of the run-off and the related unallocated loss adjustment expenses. For those acquisitions in domiciles where solvent schemes of arrangement are not available, the unallocated loss adjustment expenses are estimated over the projected life of the run-off.

We believe that providing for unallocated loss adjustment expenses based on our run-off strategy is appropriate in determining the fair value of the assets and liabilities acquired in an acquisition of a run-off company. We believe that other participants in the run-off acquisition marketplace factor into the price to pay for an acquisition the estimated cost of running off the acquired company based on how that participant expects to manage the assets and liabilities.

The difference between the carrying value of reserves acquired at the date of acquisition and the fair value is the Fair Value Adjustment, or FVA. The FVA is amortized over the estimated payout period and adjusted for accelerations on commutation settlements or any other new information or subsequent change in circumstances after the date of acquisition. To the extent the actual payout experience after the acquisition is materially faster or slower than anticipated at the time of the acquisition, there is an adjustment to the estimated ultimate loss reserves, or there are changes in bad debt provisions or in estimates of future run-off costs following accelerated payouts, then the amortization of the FVA is accelerated or decelerated, as the case may be, to reflect such changes.

Losses and Loss Adjustment Expenses

Non-life Run-off

The following table provides a breakdown of gross losses and loss adjustment expense reserves by type of exposure as of December 31, 2013 and 2012.

	2013						2012
	OLR		IBNR		Total		OLR		IBNR		Total
	(in thousands of U.S. dollars)
Asbestos	$	152,478	$	298,612	$	451,090	$	179,917	$	355,006	$	534,923
Environmental		47,518		40,886		88,404		51,632		42,088		93,720
General casualty		383,609		261,911		645,520		565,250		384,640		949,890
Workers compensation/personal accident		944,077		383,287		1,327,364		652,034		135,966		788,000
Marine, aviation and transit		137,054		45,597		182,651		163,367		26,898		190,265
Construction defect		74,275		89,365		163,640		92,279		150,520		242,799
Other		664,419		233,784		898,203		489,445		127,896		617,341
Total	$	2,403,430	$	1,353,442	$	3,756,872	$	2,193,924	$	1,223,014	$	3,416,938
Unallocated loss adjustment expenses						247,641						233,189
Total					$	4,004,513					$	3,650,127

Our primary objective in running off the operations of acquired companies and portfolios of insurance and reinsurance business in run-off is to increase book value by settling loss reserves below their acquired fair value. The earnings created in each acquired company or portfolio of insurance and reinsurance business, together with the related decrease in loss reserves, lead to a reduction in the capital required for each company, thereby providing the ability to distribute both earnings and excess capital to the parent company.

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To the extent that the nature of the acquired loss reserves are conducive to commutation, our aim is to settle the majority of the acquired loss reserves within a timeframe of approximately five to seven years from the date of acquisition. To the extent that acquired reserves are not conducive to commutation, we will instead adopt a disciplined claims management approach to pay only valid claims on a timely basis and endeavor to reduce the level of acquired loss adjustment expense provisions by withdrawing, where appropriate, from existing litigation and otherwise streamlining claims handling procedures.

By adopting either of the above run-off strategies, we would expect that over the targeted life of the run-off, acquired ultimate loss reserves would settle below their recorded fair value, resulting in reductions in ultimate losses and loss adjustment expense liabilities. There can be no assurance, however, that we will successfully implement our strategy.

Commutations of blocks of policies, along with disciplined claims management, have the potential to produce favorable claims development compared to established reserves. For each newly-acquired company, we determine a commutation strategy that broadly identifies commutation targets using the following criteria:

• Previous commutations completed by existing portfolio companies with policyholders of the newly-acquired company;

• Nature of liabilities;

• Size of incurred loss reserves;

• Recent loss development history; and

• Targets for claims audits.

Once commutation targets are identified, they are prioritized into target years of completion. At the beginning of each year, the approach to commutation negotiations is determined by the commutation team, including claims and exposure analysis and broker account reconciliations. On completion of this analysis, settlement parameters are set around incurred liabilities. Commutation discussions can take many months or even years to come to fruition. Commutation targets not completed in a particular year are re-prioritized for the following year.

Every commutation, irrespective of value, requires the approval of our Chief Financial Officer or one of our two Joint Chief Operating Officers. The impact of the commutation activity on the IBNR reserve is reflected as part of our annual actuarial reviews of reserves. However, if a significant commutation is completed during the year, loss reserves will be adjusted in the corresponding quarter to reflect management’s then best estimate of the impact on remaining IBNR reserves.

The following table provides a breakdown of losses and loss adjustment expense reserves (net of reinsurance balances recoverable) by type of exposure as of December 31, 2013 and 2012:

	2013					2012
	Total		% of Total			Total		% of Total
	(in thousands of U.S. dollars)
Asbestos	$	405,323		14.1	%	$	478,154		17.2	%
Environmental		75,542		2.6	%		79,397		2.9	%
General casualty		431,362		15.0	%		728,976		26.3	%
Workers compensation/personal accident		903,756		31.3	%		451,980		16.3	%
Marine, aviation and transit		101,547		3.5	%		140,412		5.1	%
Construction defect		100,576		3.5	%		145,700		5.3	%
Other		617,233		21.4	%		516,100		18.5	%
Unallocated loss adjustment expenses		247,641		8.6	%		233,189		8.4	%
Total	$	2,882,980		100.0	%	$	2,773,908		100.0	%

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As of December 31, 2013, the IBNR reserves (net of reinsurance balances receivable) accounted for $962.6 million, or 33.4%, of our total net losses and loss adjustment expenses. The reserve for IBNR (net of reinsurance balance receivable) accounted for $939.7 million, or 33.7%, of our total net loss reserves at December 31, 2012.

Annual Losses and Loss Adjustment Reviews

Because a significant amount of time can lapse between the assumption of risk, the occurrence of a loss event, the reporting of the event to an insurance or reinsurance company and the ultimate payment of the claim on the loss event, the liability for unpaid losses and loss adjustment expenses is based largely upon estimates. Our management must use considerable judgment in the process of developing these estimates. The liability for unpaid losses and loss adjustment expenses for property and casualty business includes amounts determined from loss reports on individual cases and amounts for IBNR reserves. Such reserves, including IBNR reserves, are estimated by management based upon loss reports received from ceding companies, supplemented by our own estimates of losses for which no ceding company loss reports have yet been received and the results of annual independent actuarial studies.

Loss advices or reports from ceding companies are generally provided via the placing broker and comprise treaty statements, individual claims files, electronic messages and large loss advices or cash calls. Large loss advices and cash calls are provided to us as soon as practicable after an individual loss or claim is made or settled by the insured. The remaining broker advices are issued monthly, quarterly or annually depending on the provisions of the individual policies or the ceding company’s practice. For certain direct insurance policies where the claims are managed by Third Party Administrators (TPAs) and Managing General Agents (MGAs), loss bordereaux are received either monthly or quarterly depending on the arrangement with the TPA and MGA.

Where we provide reinsurance or retrocession reinsurance protection, the process of claims advice from the direct insurer to the reinsurers and/or retrocessionaires naturally involves more levels of communication, which inevitably creates delays or lags in the receipt of loss advice by the reinsurers/retrocessionaires relative to the date of first advice to the direct insurer. Certain types of exposure, typically latent health exposures such as asbestos-related claims, have inherently long reporting delays, in some cases many years, from the date a loss occurred to the manifestation and reporting of a claim and ultimately until the final settlement of the claim. For asbestos and environmental exposures, our actuaries apply explicit time lag assumptions in their reserving methodologies. This time lag varies by portfolio from one to five years depending on the relative mix of domicile, percentages of product mix of insurance, reinsurance and retrocessional reinsurance, primary insurance, excess reinsurance, reinsurance of direct and reinsurance of reinsurance within any given exposure category. Exposure portfolios written from a non-U.S. domicile are assumed to have a greater time lag than portfolios written from a U.S.-domicile. Portfolios with a larger proportion of reinsurance exposures are assumed to have a greater time-lag than portfolios with a larger proportion of insurance exposures.

An industry-wide weakness in cedant reporting affects the adequacy and accuracy of reserving for advised claims. We attempt to mitigate this inherent weakness as follows:

1. We closely monitor cedant loss reporting and, for those cedants identified as providing inadequate, untimely or unusual reporting of losses, we conduct, in accordance with the provisions of the insurance and reinsurance contracts, detailed claims audits at the insured’s or reinsured’s premises. Such claims audits have the benefit of validating advised claims, determining whether the cedant’s loss reserving practices and reporting are adequate and identifying potential loss reserving issues of which our actuaries need to be made aware. Any required adjustments to advised claims reserves reported by cedants identified during the claims audits will be recorded as an adjustment to the advised case reserve.

2. Onsite claims audits are often supplemented by further reviews by our internal and external legal advisors to determine the reasonableness of advised case reserves and, if considered necessary, an adjustment to the reported case reserve will be recorded.

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3. Our actuaries project expected paid and incurred loss development for each class of business, which is monitored on a quarterly basis. Should actual paid and incurred development differ significantly from the expected paid and incurred development, we will investigate the cause and, in conjunction with our actuaries, consider whether any adjustment to ultimate loss reserves is required.

Our actuaries consider the quality of ceding company data as part of their ongoing evaluation of the liability for ultimate losses and loss adjustment expenses, and the methodologies they select for estimating ultimate losses inherently compensate for potential weaknesses in this data, including weaknesses in loss reports provided by cedants.

We strive to apply the highest standards of discipline and professionalism to our claims adjusting, processing and settlement and disputes with cedants are rare. However, we are from time to time involved in various disputes and legal proceedings in the ordinary course of our claims adjusting process. The majority of the losses ceded to us are from the subscription insurance market (where there are often many insurers and reinsurers underwriting each policy), and we often are involved in disputes commenced by other co-insurers who act in unison with any litigation or dispute resolution controlled by the lead underwriter. Coverage disputes arise when the insured/reinsured and insurer/reinsurer cannot reach agreement as to the interpretation of the policy and/or application of the policy to a claim. Most insurance and reinsurance policies contain dispute resolution clauses requiring arbitration or mediation. In the absence of a contractual dispute resolution process, civil litigation would be commenced. We aim to reach a commercially acceptable resolution to any dispute, using arbitration or litigation as a last resort. We regularly monitor and provide internal reports on disputes involving arbitration and litigation and engage external legal counsel to provide professional advice and assist with case management.

In establishing reserves, management includes amounts for IBNR reserves using information from independent actuarial estimates of ultimate losses. Our independent actuaries use generally accepted actuarial methodologies to estimate ultimate losses and loss adjustment expenses and those estimates are reviewed by our management.

Nearly all of our unpaid claims liabilities are considered to have a long claims payout tail. Gross loss reserves for our non-life run-off subsidiaries relate primarily to casualty exposures, including latent claims, of which approximately 13.5% relate to asbestos and environmental, or A&E, exposures.

Within the annual loss reserve studies produced by our independent actuaries, exposures for each subsidiary are separated into homogeneous reserving categories for the purpose of estimating IBNR. Each reserving category contains either direct insurance or assumed reinsurance reserves and groups relatively similar types of risks and exposures (for example, asbestos, environmental, casualty, property) and lines of business written (for example, marine, aviation, non-marine). Based on the exposure characteristics and the nature of available data for each individual reserving category, a number of methodologies are applied. Recorded reserves for each category are selected from the indications produced by the various methodologies after consideration of exposure characteristics, data limitations and strengths and weaknesses of each method applied. This approach to estimating IBNR has been consistently adopted in the annual loss reserve studies for each period presented.

We review the external actuaries’ reports for consistency and appropriateness of methodology and assumptions, including assumptions of industry benchmarks, and discuss any concerns or changes with them. Our Chief Actuary and Chief Financial Officer then consider the reasonableness of loss reserves recommended by our external actuaries, in light of actual loss development during the year, using the following reports produced internally on a quarterly basis for each of our insurance and reinsurance subsidiaries:

1. Gross, ceded and net incurred loss report — This report provides, for each reporting period, the total (including commuted policies) gross, ceded and net incurred loss development for each company and a commentary on each company’s loss development prepared by our Chief Actuary. The report highlights the causes of any unusual or significant loss development activity (including commutations) and includes commentary on quality and reliability of underlying data.

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2. Actual versus expected gross incurred loss development report — This report provides a summary, and commentary thereon, of each company’s (excluding companies or portfolios of business acquired in the current year) non-commuted incurred gross losses compared to the estimate of the development of non-commuted incurred gross losses provided by our external actuaries at the beginning of the year as part of the prior year’s reserving process.

3. Commutations summary schedule — This schedule summarizes all commutations completed during the year for all companies, and identifies the policyholder with which we commuted, the incurred losses settled by the commutation (comprising outstanding unpaid losses and case reserves) and the amount of the commutation settlement.

4. Analysis of paid, incurred and ultimate losses — This analysis for each company, and in the aggregate, provides a summary of the gross, ceded and net paid and incurred losses and the impact of applying our external actuaries’ recommended loss reserves. This report, reviewed in conjunction with the previous reports, provides an analytical tool to review each company’s incurred loss or gain and reduction in IBNR reserves to assess whether the ultimate reduction in loss reserves appears reasonable in light of known developments within each company.

The above reports provide our Chief Actuary and Chief Financial Officer with the relevant information to determine whether loss development (including commutations) during the year has, for each company, been sufficiently meaningful so as to warrant an adjustment to the reserves recommended by our external actuaries in the most recent actuarial study. It is not possible to quantify how much of any reserve release specifically relates to commutations or favorable development of non-commuted claims as the revised historical loss development used by the actuaries to estimate required reserves is a combination of both the elimination of historical loss development relating to commuted policies and non-commuted loss development.

When establishing loss reserves we have an expectation that, in the absence of commutations and significant favorable or unfavorable non-commuted loss development compared to expectations, loss reserves will not exceed the high, or be less than the low, end of the following ranges of gross losses and loss adjustment expense reserves implied by the various methodologies used by each of our insurance subsidiaries as of December 31, 2013.

The ranges of gross losses and loss adjustment expense reserves implied by the various methodologies used by each of our non-life insurance and reinsurance subsidiaries as of December 31, 2013 were:

	Low		Selected		High
	(in thousands of U.S. dollars)
Asbestos	$	395,249	$	451,090	$	508,958
Environmental		78,571		88,404		100,400
General casualty		569,453		645,520		719,116
Workers compensation/personal accident		1,169,931		1,327,365		1,444,348
Marine, aviation and transit		164,083		182,651		204,638
Construction defect		140,931		163,640		177,060
Other		803,692		898,203		1,012,138
Unallocated loss adjustment expenses		247,641		247,641		247,641
Total	$	3,569,551	$	4,004,513	$	4,414,299

Latent Claims

Our loss reserves are related largely to casualty exposures including latent exposures relating primarily to A&E. In establishing the reserves for unpaid claims, management considers facts currently known and the current state of the law and coverage litigation. Liabilities are recognized for known claims (including the cost of related litigation) when sufficient information has been developed to indicate the involvement of a specific

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insurance policy and management can reasonably estimate its liability. In addition, reserves are established to cover loss development related to both known and unasserted claims.

The estimation of unpaid claim liabilities is subject to a high degree of uncertainty for a number of reasons. First, unpaid claim liabilities for property and casualty exposures in general are impacted by changes in the legal environment, jury awards, medical cost trends and general inflation. Moreover, for latent exposures in particular, developed case law and adequate claim history do not exist. There is significant coverage litigation related to these exposures, which creates further uncertainty in the estimation of the liabilities. As a result, for these types of exposures, it is especially unclear whether past claim experience will be representative of future claim experience. Ultimate values for such claims cannot be estimated using reserving techniques that extrapolate losses to an ultimate basis using loss development factors, and the uncertainties surrounding the estimation of unpaid claim liabilities are not likely to be resolved in the near future. There can be no assurance that the reserves we establish will be adequate or will not be adversely affected by the development of other latent exposures.

Our asbestos claims are primarily products liability claims submitted by a variety of insureds who operated in different parts of the asbestos distribution chain. While most such claims arise from asbestos mining and primary asbestos manufacturers, we have also been receiving claims from tertiary defendants such as smaller manufacturers, and the industry has seen an emerging trend of non-products claims arising from premises exposures. Unlike products claims, primary policies generally do not contain aggregate policy limits for premises claims, which, accordingly, remain at the primary layer and, thus, rarely impact excess insurance policies. As the vast majority of our policies are excess policies, this trend has had only a marginal effect on our asbestos exposures thus far.

Asbestos reform efforts have been underway at both the federal and state level to address the cost and scope of asbestos claims to the American economy. While congressional efforts to create a federal trust fund that would replace the tort system for asbestos claims failed, several states, including Texas and Florida, have passed reforms based on “medical criteria” requiring certain levels of medically documented injury before a lawsuit can be filed, generally resulting in a drop of case filings in those states adopting this reform measure.

Asbestos claims primarily fall into two general categories: impaired and unimpaired bodily injury claims. Property damage claims represent only a small fraction of asbestos claims. Impaired claims primarily include individuals suffering from mesothelioma or a cancer such as lung cancer. Unimpaired claims include asbestosis and those whose lung regions contain pleural plaques.

Unlike traditional property and casualty insurers that either have large numbers of individual claims arising from personal lines such as auto, or small numbers of high value claims as in medical malpractice insurance lines, our primary exposures arise from A&E claims that do not follow a consistent pattern. For instance, we may encounter a small insured with one large environmental claim due to significant groundwater contamination, while a Fortune 500 company may submit numerous claims for relatively small values. Moreover, there is no set pattern for the life of an environmental or asbestos claim. Some of these claims may resolve within two years whereas others have remained unresolved for nearly two decades. Therefore, our open and closed claims data do not follow any identifiable or discernible pattern.

Furthermore, because of the reinsurance nature of the claims we manage, we focus on the activities at the reinsured level rather than at the individual claims level. The counterparties with whom we typically interact are generally insurers or large industrial concerns and not individual claimants. Claims do not follow any consistent pattern. They arise from many insureds or locations and in a broad range of circumstances. An insured may present one large claim or hundreds or thousands of small claims. Plaintiffs’ counsel frequently aggregate thousands of claims within one lawsuit. The deductibles to which claims are subject vary from policy to policy and year to year. Often claims data is only available to reinsurers, such as us, on an aggregated basis. Accordingly, we have not found claim count information or average reserve amounts to be reliable indicators of exposure for our reserve estimation process or for management of our liabilities. We have found data

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accumulation and claims management more effective and meaningful at the reinsured level rather than at the underlying claim level. As a result, we have designed our reserving methodologies to be independent of claim count information. As the level of exposures to a reinsured can vary substantially, we focus on the aggregate exposures and pursue commutations and policy buy-backs with the larger reinsureds.

Our future environmental loss development may be influenced by other factors including:

• Existence of currently undiscovered polluted sites eligible for clean-up under the Comprehensive Environmental Response, Compensation, and Liability Act (or CERCLA) and related legislation.

• Costs imposed due to joint and several liability if not all potentially responsible parties (or PRPs) are capable of paying their share.

• Success of legal challenges to certain policy terms such as the “absolute” pollution exclusion.

• Potential future reforms and amendments to CERCLA, particularly as the resources of Superfund — the funding vehicle, established as part of CERCLA, to provide financing for cleanup of polluted sites where no PRP can be identified — become exhausted.

The influence of each of these factors is not easily quantifiable and, as with asbestos-related exposures, our historical environmental loss development is of limited value in determining future environmental loss development using traditional actuarial reserving techniques.

There have been recent positive developments concerning lead paint liability, an area previously viewed as an emerging trend in latent claim activity with the potential to adversely affect reserves. After a series of successful defense efforts by defendant lead pigment manufacturers in lead paint litigation, in 2005, a Rhode Island trial court ruled in favor of the government in a nuisance claim against the defendant manufacturers. Since the Rhode Island decision, other government entities have employed the same theory for recovery against these manufacturers. In 2008, the Rhode Island Supreme Court reversed the sole legal liability loss experienced by lead pigment manufacturers in lead paint litigation. The court rejected public nuisance as a viable theory of liability for use by the government against the defendants and thus invalidated the entire claim against the lead pigment manufacturers. Subsequent to the Rhode Island Supreme Court decision at least one other government entity, an Ohio municipality, voluntarily dropped its lead paint suit. Thereafter, the State of Ohio, voluntarily dismissed its pending action against lead pigment manufacturers. Other state supreme courts equally rejected the public nuisance theory of liability, whereas no highest state court has ever adopted this theory as an acceptable cause of action.

We believe that lead paint claims now pose a lower risk to adverse reserve adjustment than previously thought, as the only trial court decision against lead pigment manufacturers to date was reversed on the basis that public nuisance is an improper liability theory by which a plaintiff may seek recovery against the lead pigment manufacturers. Even if adverse rulings under alternative theories succeed or if other states ultimately permit recovery under a public nuisance theory, it is questionable whether insureds have coverage under their policies under which they seek indemnity. Insureds have yet to meet policy terms and conditions to establish coverage for lead paint public nuisance claims, as opposed to traditional bodily injury and property damage claims. Still, there is the potential for significant impact to excess insurers should plaintiffs prevail in successive nuisance claims pending in other jurisdictions and coverage is established.

Our independent, external actuaries use industry benchmarking methodologies to estimate appropriate IBNR reserves for our A&E exposures. These methods are based on comparisons of our loss experience on A&E exposures relative to industry loss experience on A&E exposures. Estimates of IBNR are derived separately for each of our relevant subsidiaries and, for some subsidiaries, separately for distinct portfolios of exposure. The discussion that follows describes, in greater detail, the primary actuarial methodologies used by our independent actuaries to estimate IBNR for A&E exposures.

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In addition to the specific considerations for each method described below, many general factors are considered in the application of the methods and the interpretation of results for each portfolio of exposures. These factors include the mix of product types (e.g., primary insurance versus reinsurance of primary versus reinsurance of reinsurance), the average attachment point of coverages (e.g., first-dollar primary versus umbrella over primary versus high-excess), payment and reporting lags related to the international domicile of our subsidiaries, payment and reporting pattern acceleration due to large “wholesale” settlements (e.g., policy buy-backs and commutations) pursued by us, and lists of individual risks remaining and general trends within the legal and tort environments.

1. Paid Survival Ratio Method.    In this method, our expected annual average payment amount is multiplied by an expected future number of payment years to get an indicated reserve. Our historical calendar year payments are examined to determine an expected future annual average payment amount. This amount is multiplied by an expected number of future payment years to estimate a reserve. Trends in calendar year payment activity are considered when selecting an expected future annual average payment amount. Accepted industry benchmarks are used in determining an expected number of future payment years. Each year, annual payments data is updated, trends in payments are re-evaluated and changes to benchmark future payment years are reviewed. Advantages of this method are of ease of application and simplicity of assumptions. A potential disadvantage of the method is that results could be misleading for portfolios of high excess exposures where significant payment activity has not yet begun.

2. Paid Market Share Method.    In this method, our estimated market share is applied to the industry estimated unpaid losses or estimate of industry ultimate. The ratio of our historical calendar year payments to industry historical calendar year payments is examined to estimate our market share. This ratio is then applied to the estimate of industry unpaid losses or estimate of industry ultimate. Each year, calendar year payment data is updated (for both us and industry), estimates of industry unpaid losses are reviewed and the selection of our estimated market share is revisited. This method has the advantage that trends in calendar year market share can be incorporated into the selection of company share of remaining market payments. A potential disadvantage of this method is that it is particularly sensitive to assumptions regarding the time-lag between industry payments and our payments.

3. Reserve-to-Paid Method.    In this method, the ratio of estimated industry reserves to industry paid-to-date losses is multiplied by our paid-to-date losses to estimate our reserves. Specific considerations in the application of this method include the completeness of our paid-to-date loss information, the potential acceleration or deceleration in our payments (relative to the industry) due to our claims handling practices, and the impact of large individual settlements. Each year, paid-to-date loss information is updated (for both us and the industry) and updates to industry estimated reserves are reviewed. This method has the advantage of relying purely on paid loss data and so is not influenced by subjectivity of case reserve loss estimates. A potential disadvantage is that the application to our portfolios that do not have complete inception-to-date paid loss history could produce misleading results. To address this potential disadvantage, a variation of the method is also considered by multiplying the ratio of estimated industry reserves to industry losses paid during a recent period of time (e.g., 5 years) times our paid losses during that period.

4. IBNR:Case Ratio Method.    In this method, the ratio of estimated industry IBNR reserves to industry case reserves is multiplied by our case reserves to estimate our IBNR reserves. Specific considerations in the application of this method include the presence of policies reserved at policy limits, changes in overall industry case reserve adequacy and recent loss reporting history. Each year, our case reserves are updated, the estimate of industry reserves is updated and the applicability of the industry IBNR:Case Ratio is reviewed. This method has the advantage that it incorporates the most recent estimates of amounts needed to settle open cases included in current case reserves. A potential disadvantage is that results could be misleading where our case reserve adequacy differs significantly from overall industry case reserve adequacy. In these instances, the industry IBNR:Case Ratios were adjusted to reflect our portfolio case reserve adequacy.

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5. Ultimate-to-Incurred Method.    In this method, the ratio of estimated industry ultimate losses to industry incurred-to-date losses is applied to our incurred-to-date losses to estimate our IBNR reserves. Specific considerations in the application of this method include the completeness of our incurred-to-date loss information, the potential acceleration or deceleration in our incurred losses (relative to the industry) due to our claims handling practices and the impact of large individual settlements. Each year incurred-to-date loss information is updated (for both us and the industry) and updates to industry estimated ultimate losses are reviewed. This method has the advantage that it incorporates both paid and case reserve information in projecting ultimate losses. A potential disadvantage is that results could be misleading where cumulative paid loss data is incomplete or where our case reserve adequacy differs significantly from overall industry case reserve adequacy. In these instances, the industry IBNR:Case Ratios were adjusted to reflect our portfolio case reserve adequacy.

6. Decay Factor Method.    In this method, a decay factor is directly applied to our payment data to estimate future payments. The decay factors were selected based on a review of the Company and industry decays. This method is most useful where our data shows a decreasing pattern and is credible enough to be reliable. This method was introduced in 2013.

Under the Paid Survival Ratio Method, the Paid Market Share Method and the Reserve-to-Paid Method, we first determine the estimated total reserve and then deduct the reported outstanding case reserves to arrive at an estimated IBNR reserve. The IBNR:Case Ratio Method first determines an estimated IBNR reserve which is then added to the advised outstanding case reserves to arrive at an estimated total loss reserve. The Ultimate-to-Incurred Method first determines an estimate of the ultimate losses to be paid and then deducts paid-to-date losses to arrive at an estimated total loss reserve and then deducts outstanding case reserves to arrive at the estimated IBNR reserve. In the decay factor method, an initial payment is selected and reserves are estimated directly from the projection of future payments.

As of December 31, 2013, we had 30 separate insurance and/or reinsurance subsidiaries whose reserves are categorized into approximately 259 reserve categories in total, including 33 distinct asbestos reserving categories and 23 distinct environmental reserving categories.

To the extent that data availability allows, the six methodologies described above are applied for each of the 33 asbestos reserving categories and each of the 23 environmental reserving categories. As is common in actuarial practice, no one methodology is exclusively or consistently relied upon when selecting a recorded reserve. Consistent reliance on a single methodology to select a recorded reserve would be inappropriate in light of the dynamic nature of both the A&E liabilities in general, and our actual exposure portfolios in particular.

In selecting a recorded reserve, management considers the range of results produced by the methods, and the strengths and weaknesses of the methods in relation to the data available and the specific characteristics of the portfolio under consideration. Trends in both our data and industry data are also considered in the reserve selection process. Recent trends or changes in the relevant tort and legal environments are also considered when assessing methodology results and selecting an appropriate recorded reserve amount for each portfolio.

The following key assumptions were used to estimate A&E reserves at December 31, 2013:

1. $74 Billion Ultimate Industry Asbestos Losses — This level of industry-wide losses and its comparison to industry-wide paid, incurred and outstanding case reserves is the base benchmarking assumption applied to Paid Market Share, Reserve-to-Paid, IBNR:Case Ratio and the Ultimate-to-Incurred asbestos reserving methodologies.

2. $40 Billion Ultimate Industry Environmental Losses — This level of industry-wide losses and its comparison to industry-wide paid, incurred and outstanding case reserves is the base benchmarking assumption applied to Paid Market Share, Reserve-to-Paid, IBNR:Case Ratio and the Ultimate-to-Incurred environmental reserving methodologies.

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3. Loss Reporting Lag — Our subsidiaries assumed a mix of insurance and reinsurance exposures generally through the London market. As the available industry benchmark loss information, as supplied by our independent consulting actuaries, is compiled largely from U.S. direct insurance company experience, our loss reporting is expected to lag relative to available industry benchmark information. This time-lag used by each of our insurance subsidiaries varies from 1 to 5 years depending on the relative mix of domicile, percentages of product mix of insurance, reinsurance and retrocessional reinsurance, primary insurance, excess insurance, reinsurance of direct, and reinsurance of reinsurance within any given exposure category. Exposure portfolios written from a non-U.S. domicile are assumed to have a greater time-lag than portfolios written from a U.S. domicile. Portfolios with a larger proportion of reinsurance exposures are assumed to have a greater time-lag than portfolios with a larger proportion of insurance exposures.

The following tables provide a summary of the impact of changes in industry ultimate losses, from the selected $74 billion for asbestos and $40 billion for environmental, and changes in the time-lag, from the selected averages of 2.8 years for asbestos and 2.2 years for environmental, for us behind industry development that it is assumed relates to our insurance and reinsurance companies. Please note that the table below demonstrates sensitivity to changes to key assumptions using methodologies selected for determining loss and allocated loss adjustment expenses, or ALAE, at December 31, 2013 and differs from the table on page 64, which demonstrates the range of outcomes produced by the various methodologies.

Sensitivity to Industry Asbestos Ultimate Loss Assumption	Gross Asbestos Loss Reserves
	(in thousands of U.S. dollars)
Asbestos — $79 billion	$	514,728
Asbestos — $74 billion (selected)		451,090
Asbestos — $69 billion		386,562

Sensitivity to Industry Environmental Ultimate Loss Assumption	Gross Environmental Loss Reserves
	(in thousands of U.S. dollars)
Environmental — $42.5 billion	$	107,167
Environmental — $40 billion (selected)		88,404
Environmental — $37.5 billion		69,783

Sensitivity to Time-Lag Assumption*	Gross Asbestos Loss Reserves		Gross Environmental Loss Reserves
	(in thousands of U.S. dollars)
Selected average of 2.8 years asbestos, 2.2 years environmental	$	451,090	$	88,404
Increase all portfolio lags by one year		493,029		95,541
Decrease all portfolio lags by one year		414,820		82,096

* Using $74 billion/$40 billion Asbestos/Environmental Industry Ultimate Loss assumptions.

As with all assumptions, these assumptions are revisited each year. Historically, asbestos and environmental ultimates, as advised by industry publications, were used as the proxy for our industry ultimate. As such, $65.0 billion and $38.5 billion were used in 2012 as the proxy for the industry asbestos and environmental ultimates. Due to the inability of our external actuaries to review the data, methodologies and calculations supporting those industry published estimates, our external actuaries themselves have estimated ultimate industry losses using the techniques described starting on page 67. These techniques allow our external actuaries to better monitor the impact on us of the selected asbestos and environmental ultimate loss assumptions on an annual basis and also allow them to monitor industry payments against expectations. The change in assumptions had no material impact on the estimate of our A&E reserves. The assumption regarding loss reporting lag described on this page has not changed.

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All Other (Non-latent) Reserves

For our “All Other” (non-latent) loss exposure, a range of traditional loss development extrapolation techniques is applied by our independent actuaries and us. These methods assume that cohorts, or groups, of losses from similar exposures will increase over time in a predictable manner. Historical paid, incurred, and outstanding loss development experience is examined for earlier years to make inferences about how later years’ losses will develop. The application and consideration of multiple methods is consistent with the Actuarial Standards of Practice.

When determining which loss development extrapolation methods to apply to each company and each class of exposure within each company, we and our independent actuaries consider the nature of the exposure for each specific subsidiary and reserving segment and the available loss development data, as well as the limitations of that data. In cases where company-specific loss development information is not available or reliable, we and our independent actuaries select methods that do not rely on historical data (such as incremental or run-off methods) and consider industry loss development information published by industry sources such as the Reinsurance Association of America. In determining which methods to apply, we and our independent actuaries also consider cause of loss coding information when available.

A brief summary of the methods that are considered most frequently in analyzing non-latent exposures is provided below. This summary discusses the strengths and weaknesses of each method, as well as the data requirements for each method, all of which are considered when selecting which methods to apply for each reserve segment.

1. Cumulative Reported and Paid Loss Development Methods.    The Cumulative Reported (Case Incurred) Loss Development method relies on the assumption that, at any given state of maturity, ultimate losses can be predicted by multiplying cumulative reported losses (paid losses plus case reserves) by a cumulative development factor. The validity of the results of this method depends on the stability of claim reporting and settlement rates, as well as the consistency of case reserve levels. Case reserves do not have to be adequately stated for this method to be effective; they only need to have a fairly consistent level of adequacy at all stages of maturity. Historical “age-to-age” loss development factors (or LDFs) are calculated to measure the relative development of an accident year from one maturity point to the next. Age-to-age LDFs are then selected based on these historical factors. The selected age-to-age LDFs are used to project the ultimate losses. The Cumulative Paid Loss Development Method is mechanically identical to the Cumulative Reported Loss Development Method described above, but the paid method does not rely on case reserves or claim reporting patterns in making projections. The validity of the results from using a cumulative loss development approach can be affected by many conditions, such as internal claim department processing changes, a shift between single and multiple payments per claim, legal changes, or variations in a company’s mix of business from year to year. Typically, the most appropriate circumstances in which to apply a cumulative loss development method are those in which the exposure is mature, full loss development data is available, and the historical observed loss development is relatively stable.

2. Incremental Reported and Paid Loss Development Methods.    Incremental incurred and paid analyses are performed in cases where cumulative data is not available. The concept of the incremental loss development methods is similar to the cumulative loss development methods described above, in that the pattern of historical paid or incurred losses is used to project the remaining future development. The difference between the cumulative and incremental methods is that the incremental methods rely on only incremental incurred or paid loss data from a given point in time forward, and do not require full loss history. These incremental loss development methods are therefore helpful when data limitations apply. While this versatility in the incremental methods is a strength, the methods are sensitive to fluctuations in loss development, so care must be taken in applying them.

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3. IBNR-to-Case Outstanding Method.    This method requires the estimation of consistent cumulative paid and reported (case) incurred loss development patterns and age-to-ultimate LDFs, either from data that is specific to the segment being analyzed or from applicable benchmark or industry data. These patterns imply a specific expected relationship between IBNR, including both development on known claims (bulk reserve) and losses on true late reported claims, and reported case incurred losses. The IBNR-to-Case Outstanding method can be used in a variety of situations. It is appropriate for loss development experience that is mature and possesses a very high ratio of paid losses to reported case incurred losses. The method also permits an evaluation of the difference in maturity between the business being reviewed and benchmark development patterns. Depending on the relationship of paid to incurred losses, an estimate of the relative maturity of the business being reviewed can be made and a subsequent estimate of ultimate losses driven by the implied IBNR to case outstanding ratio at the appropriate maturity can be made. This method is also useful where loss development data is incomplete and only the case outstanding amounts are determined to be reliable. This method is less reliable in situations where relative case reserve adequacy has been changing over time.

4. Bornhuetter-Ferguson Expected Loss Projection Reported and Paid Methods.    The Bornhuetter-Ferguson Expected Loss Projection Method based on reported loss data relies on the assumption that remaining unreported losses are a function of the total expected losses rather than a function of currently reported losses. The expected losses used in this analysis are based on initial selected ultimate loss ratios by year. The expected losses are multiplied by the unreported percentage to produce expected unreported losses. The unreported percentage is calculated as one minus the reciprocal of the selected cumulative incurred LDFs. Finally, the expected unreported losses are added to the current reported losses to produce ultimate losses. The calculations underlying the Bornhuetter-Ferguson Expected Loss Projection Method based on paid loss data are similar to the Bornhuetter-Ferguson calculations based on reported losses, with the exception that paid losses and unpaid percentages replace reported losses and unreported percentages. The Bornhuetter-Ferguson method is most useful as an alternative to other models for immature years. For these immature years, the amounts reported or paid may be small and unstable and therefore not predictive of future development. Therefore, future development is assumed to follow an expected pattern that is supported by more stable historical data or by emerging trends. This method is also useful when changing reporting patterns or payment patterns distort historical development of losses. Similar to the loss development methods, the Bornhuetter-Ferguson method may be applied to loss and ALAE on a combined or separate basis. The Bornhuetter-Ferguson method may not be appropriate in circumstances where the liabilities being analyzed are very mature, as it is not sensitive to the remaining amount of case reserves outstanding, or the actual development to date.

5. Reserve Run-off Method.    This method first projects the future values of case reserves for all underwriting years to future ages of development. This is done by selecting a run-off pattern of case reserves. The selected case run-off ratios are chosen based on the observed run-off ratios at each age of development. Once the ratios have been selected, they are used to project the future values of case reserves. A paid on reserve factor is selected in a similar way. The ratios of the observed amounts paid during each development period to the respective case reserves at the beginning of the periods are used to estimate how much will be paid on the case reserves during each development period. These paid on reserve factors are then applied to the case reserve amounts that were projected during the first phase of this method. A summation of the resulting paid amounts yields an estimate of the liability. The Reserve Run-off Method works well when the historical run-off patterns are reasonably stable and when case reserves ultimately show a decreasing trend. Another strength of this method is that it only requires case reserves at a given point in time and incremental paid and incurred losses after that point, meaning that it can be applied in cases where full loss history is not available. In cases of volatile data where there is a persistent increasing trend in case reserves, this method will fail to produce a reasonable estimate. In several cases, reliance upon this method was limited due to this weakness.

Our independent actuaries select the appropriate loss development extrapolation methods to apply to each company and each class of exposure, and then apply these methods to calculate an estimate of ultimate losses. Our management, which is responsible for the final estimate of ultimate losses, reviews the calculations of our independent actuaries, considers whether the appropriate method was applied, and adjusts the estimate of

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ultimate losses as it deems necessary. Historically, we have not deviated from the recommendations of our independent actuaries. Paid-to-date losses are then deducted from the estimate of ultimate losses to arrive at an estimated total loss reserve, and reported outstanding case reserves are then deducted from estimated total loss reserves to calculate the estimated IBNR reserve.

Quarterly Reserve Reviews

In addition to an in-depth annual review, we also perform quarterly reserve reviews. This is done by examining quarterly paid and incurred loss development to determine whether it is consistent with reserves established during the preceding annual reserve review and with expected development. Loss development is reviewed separately for each major exposure type (e.g., asbestos, environmental, etc.), for each of our relevant subsidiaries, and for large “wholesale” commutation settlements versus “routine” paid and advised losses. This process is undertaken to determine whether loss development experience during a quarter warrants any change to held reserves.

Loss development is examined separately by exposure type because different exposures develop differently over time. For example, the expected reporting and payout of losses for a given amount of asbestos reserves can be expected to take place over a different time frame and in a different quarterly pattern from the same amount of environmental reserves.

In addition, loss development is examined separately for each of our relevant subsidiaries. Companies can differ in their exposure profile due to the mix of insurance versus reinsurance, the mix of primary versus excess insurance, the underwriting years of participation and other criteria. These differing profiles lead to different expectations for quarterly and annual loss development by company.

Our quarterly paid and incurred loss development is often driven by large, “wholesale” settlements — such as commutations and policy buy-backs — which settle many individual claims in a single transaction. This allows for monitoring of the potential profitability of large settlements, which, in turn, can provide information about the adequacy of reserves on remaining exposures that have not yet been settled. For example, if it were found that large settlements were consistently leading to large negative, or favorable, incurred losses upon settlement, it might be an indication that reserves on remaining exposures are redundant. Conversely, if it were found that large settlements were consistently leading to large positive, or adverse, incurred losses upon settlement, it might be an indication — particularly if the size of the losses were increasing — that certain loss reserves on remaining exposures are deficient. Moreover, removing the loss development resulting from large settlements allows for a review of loss development related only to those contracts that remain exposed to losses. Were this not done, it is possible that savings on large wholesale settlements could mask significant underlying development on remaining exposures.

Once the data has been analyzed as described above, an in-depth review is performed on classes of exposure with significant loss development. Discussions are held with appropriate personnel, including individual company managers, claims handlers and attorneys, to better understand the causes. If it were determined that development differs significantly from expectations, reserves would be adjusted.

Quarterly loss development is expected to be fairly erratic for the types of exposure insured and reinsured by us. Several quarters of low incurred loss development can be followed by spikes of relatively large incurred losses. This is characteristic of latent claims and other insurance losses that are reported and settled many years after the inception of the policy. Given the high degree of statistical uncertainty, and potential volatility, it would be unusual to adjust reserves on the basis of one, or even several, quarters of loss development activity. As a result, unless the incurred loss activity in any one quarter is of such significance that management is able to quantify the impact on the ultimate liability for losses and loss adjustment expenses, reductions or increases in losses and loss adjustment expense liabilities are carried out in the fourth quarter based on the annual reserve review described above.

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As described above, our management regularly reviews and updates reserve estimates using the most current information available and employing various actuarial methods. Adjustments resulting from changes in our estimates are recorded in the period when such adjustments are determined. The ultimate liability for losses and loss adjustment expenses is likely to differ from the original estimate due to a number of factors, primarily consisting of the overall claims activity occurring during any period, including the completion of commutations of assumed liabilities and ceded reinsurance receivables, policy buy-backs and general incurred claims activity.

Losses and Loss Adjustment Expenses

Active Underwriting

The following table provides a breakdown of the total liability for losses and loss adjustment expenses by type of exposure for the year ended December 31, 2013 (for the year ended December 31, 2012 we did not have an active underwriting segment).

	2013
	OLR		IBNR		Total
	(in thousands of U.S. dollars)
General casualty	$	10,670	$	12,887	$	23,557
Workers compensation/personal accident		8,414		10,162		18,576
Marine, aviation and transit		23,743		28,678		52,421
Construction defect		4,489		5,422		9,911
Other		49,262		59,501		108,763
Total	$	96,577	$	116,651		213,228
Unallocated loss adjustment expenses						2,164
Total					$	215,392

The reserve for losses and loss expenses includes reserves for unpaid reported losses and for IBNR reserves. The reserves for unpaid reported losses and loss expenses are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by us. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

Quarterly Reserve Reviews

The reserve for losses and loss expenses is reviewed on a quarterly basis. Each quarter, paid and incurred loss development is reviewed to determine whether it is consistent with expected development. Loss development is examined separately by class of business, and large individual losses or loss events are examined separately from regular attritional development. Discussions are held with appropriate personnel including underwriters, claims adjusters, actuaries, accountants and attorneys to fully understand quarterly loss development and implications for the quarter-end reserve balances. Based on analysis of the loss development data and the associated discussions, management determines whether any adjustment is necessary to quarter-end reserve balances.

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Net Reduction in Ultimate Losses and Loss Adjustment Expense Liabilities

Non-life Run-off and Active Underwriting

The change in our estimated total loss reserves for both latent and all other exposures compared to that of the previous period, less net losses paid during the period, is recorded as a reduction in net ultimate losses on our statement of earnings for the period. Our estimated total loss reserve at December 31, 2013 was determined by estimating the ultimate losses and deducting paid-to-date losses. The estimated ultimate losses, for both latent and all other (non-latent) liabilities, were determined by the amount of advised case reserves and the application of the actuarial methodologies described above to estimate IBNR reserves. Future changes in our estimates of ultimate losses are likely to have a significant impact on future operating results. Our operating objective is to commute our loss exposures and manage non-commuted loss development in a disciplined manner such that future incurred loss development will be less than expected. A combination of future commutations and better-than-expected incurred loss development of non-commuted exposures could improve the trend of loss development and, after the application of actuarial methodologies to the improved trend, reduce the December 31, 2013 estimates of ultimate losses with a positive impact on our future results. However, it is not possible to project future commutation settlements or whether incurred loss development will be better than expected, and it is possible that ultimate loss reserves could increase based on the factors discussed herein.

Policy Benefits for Life and Annuity Contracts

The following table provides a breakdown by type of the total policy benefits for life and annuity contracts for the years ended December 31, 2013 and 2012.

	2013			2012
	(in thousands of U.S. dollars)
Life	$	380,874		$	11,027
Annuities		963,323			—
		1,344,197			11,027
Fair value adjustments		(71,097	)		—
	$	1,273,100		$	11,027

Our policy benefits for life and annuity contracts (or policy benefits) are estimated using standard actuarial techniques and cash flow models in accordance with the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) 944, Financial Services — Insurance. We establish and maintain our policy benefits at a level that we estimate will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable. We review our policy benefits regularly and perform loss recognition testing based upon cash flow projections.

Since the development of the policy benefits is based upon cash flow projection models, we must make estimates and assumptions based on experience and industry mortality tables, longevity and morbidity rates, lapse rates, expenses and investment experience, including a provision for adverse deviation. The assumptions used to determine policy benefits are determined at the inception of the contracts, reviewed and adjusted at the point of acquisition as required, and are locked-in throughout the life of the contract unless a premium deficiency develops. The assumptions are reviewed no less than annually and are unlocked if they would result in a material adverse reserve change. We establish these estimates based upon transaction-specific historical experience, information provided by the ceding company for the assumed business and industry experience. Actual results could differ materially from these estimates. As the experience on the contracts emerges, the assumptions are reviewed by management. We determine whether actual and anticipated experience indicates that existing policy benefits, together with the present value of future gross premiums, are sufficient to cover the present value of future benefits, settlement and maintenance costs and to recover unamortized acquisition costs. If such a review

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indicates that policy benefits should be greater than those currently held, then the locked-in assumptions are revised and a charge for policy benefits is recognized at that time.

Reinsurance Balances Recoverable

Non-life Run-off, Active Underwriting and Life and Annuities

Our acquired insurance and reinsurance subsidiaries in all three of our business segments, prior to acquisition by us, used retrocessional agreements to reduce their exposure to the risk of insurance and reinsurance they assumed. Loss reserves represent total gross losses, and reinsurance receivables represent anticipated recoveries of a portion of those unpaid losses as well as amounts receivable from reinsurers with respect to claims that have already been paid. While reinsurance arrangements are designed to limit losses and to permit recovery of a portion of direct unpaid losses, reinsurance does not relieve us of our liabilities to our insureds or reinsureds. Therefore, we evaluate and monitor concentration of credit risk among our reinsurers, including companies that are insolvent, in run-off or facing financial difficulties. Provisions are made for amounts considered potentially uncollectible.

In addition to the acquired retrocessional agreements, on an annual basis, Atrium purchases a tailored outwards reinsurance program designed to manage its risk profile. The majority of Atrium’s total third party reinsurance cover is with Lloyd’s Syndicates or other reinsurers rated A- or better.

To estimate the provision for uncollectible reinsurance recoverable, the reinsurance recoverable is first allocated to applicable reinsurers. As part of this process, ceded IBNR is allocated by reinsurer. We use a detailed analysis to estimate uncollectible reinsurance. The primary components of the analysis are reinsurance recoverable balances by reinsurer and bad debt provisions applied to these balances to determine the portion of a reinsurer’s balance deemed to be uncollectible. These provisions require considerable judgment and are determined using the current rating, or rating equivalent, of each reinsurer (in order to determine its ability to settle the reinsurance balances) as well as other key considerations and assumptions, such as claims and coverage issues.

Premium Revenue Recognition

Non-life Run-off and Active Underwriting

Our premiums written are earned on a pro-rata basis over the coverage period. Our reinsurance premiums are recorded at the inception of the policy, unless policy language stipulates otherwise, and are estimated based upon information in underlying contracts and information provided by clients and/or brokers. A change in reinsurance premium estimates is made when additional information regarding changes in underlying exposures is obtained. Such changes in estimates are expected and may result in significant adjustments in future periods. We record any adjustments as premiums written in the period they are determined.

With respect to retrospectively rated contracts (where additional premium would be due should losses exceed pre-determined, contractual thresholds), any additional premiums are based upon contractual terms and management judgment is involved in estimating the amount of losses that we expect to be ceded. Additional premiums would be recognized at the time loss thresholds specified in the contract are exceeded and are earned over the coverage period, or are earned immediately if the period of risk coverage has passed. Changes in estimates of losses recorded on contracts with additional premium features would result in changes in additional premiums recognized.

Life and Annuities

We generally recognize premiums from term life insurance, credit life and disability insurance and assumed life reinsurance as revenue when due from policyholders. Term life insurance, assumed life reinsurance and

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credit life and disability insurance policies include those contracts with fixed and guaranteed premiums and benefits. We match benefits and expenses with revenue to result in the recognition of profit over the life of the contracts.

Investments

Valuation of Investments

Our non-life run-off, active underwriting and life and annuity businesses invest in trading portfolios of fixed maturity and short-term investments and equities, a held-to-maturity portfolio of fixed maturity investments and an available-for-sale portfolio of fixed maturity and short-term investments. We record both the trading and available-for-sale portfolios at fair value on our balance sheet. For our trading portfolios, the unrealized gain or loss associated with the difference between the fair value and the amortized cost of the investments is recorded in net earnings. For our available-for-sale portfolios, the unrealized gain or loss (other than credit losses) is excluded from net earnings and reported as a separate component of accumulated other comprehensive income. Fixed maturity investments classified as held-to-maturity, which are securities that we have the positive intent and ability to hold to maturity, are carried at amortized cost. The cost of short-term investments and fixed maturities are adjusted for amortization of premiums and accretion of discounts.

Our other investments comprise investments in various private equity, fixed income, fixed income hedge, equity and real estate debt funds, all of which are recorded at fair value.

We measure fair value in accordance with ASC 820, Fair Value Measurements. The guidance dictates a framework for measuring fair value and a fair value hierarchy based on the quality of inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). The three levels of the fair value hierarchy are described below:

• Level 1 — Quoted prices for identical instruments in active markets.

• Level 2 — Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs and significant value drivers are observable in active markets.

• Level 3 — Model-derived valuations in which one or more significant inputs or significant value drivers are unobservable.

When the inputs used to measure fair value fall within different levels of the hierarchy, the level within which the fair value measurement is categorized is based on the lowest level input that is significant to the fair value measurement in its entirety. Thus, a Level 3 fair value measurement may include inputs that are observable (Level 1 and 2) and unobservable (Level 3).

The use of valuation techniques may require a significant amount of judgment. During periods of market disruption, including periods of rapidly widening credit spreads or illiquidity, it may be difficult to value certain of our securities if trading becomes less frequent or market data becomes less observable.

Fixed Maturity Investments

Fixed maturity investments are subject to fluctuations in fair value due to changes in interest rates, changes in issuer specific circumstances such as credit rating and changes in industry-specific circumstances such as movements in credit spreads based on the market’s perception of industry risks. As a result of these potential fluctuations, it is possible to have significant unrealized gains or losses on a security. At maturity, absent any credit loss, fixed maturity investments’ amortized cost will equal their fair value and no realized gain or loss will be recognized in income. If, due to an unforeseen change in loss payment patterns, we need to sell any available-

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for-sale investments before maturity, we could realize significant gains or losses in any period, which could result in a meaningful effect on reported net income for such period.

We perform regular reviews of our available-for-sale and held-to-maturity fixed maturities portfolios and utilize a process that considers numerous indicators in order to identify investments that are showing signs of potential other-than-temporary impairment losses. These indicators include the length of time and extent of the unrealized loss, any specific adverse conditions, historic and implied volatility of the security, failure of the issuer of the security to make scheduled interest payments, significant rating changes and recoveries or additional declines in fair value subsequent to the balance sheet date. The consideration of these indicators and the estimation of credit losses involve significant management judgment.

Any other-than-temporary impairment loss, or OTTI, related to a credit loss would be recognized in earnings, and the amount of the OTTI related to other factors (e.g. interest rates, market conditions, etc.) is recorded as a component of other comprehensive income. If no credit loss exists but either we have the intent to sell the fixed maturity investment or it is more likely than not that we will be required to sell the fixed maturity investment before its anticipated recovery, then the entire unrealized loss is recognized in earnings.

For the years ended December 31, 2013, 2012 and 2011, we did not recognize any other-than-temporary impairment charges through earnings.

Our fixed maturity portfolio is managed by our Chief Investment Officer and outside investment advisors with oversight from our Investment Committee. Fair value prices for all investments in the fixed maturity portfolios are independently provided by the investment custodian, investment accounting service provider and investment managers, each of which utilize internationally-recognized independent pricing services. Interactive Data Corporation is, however, the main pricing service utilized to estimate the fair value measurements for our fixed maturity investments. We record the unadjusted price provided by the investment custodians, investment accounting service providers or the investment managers and validate this price through a process that includes, but is not limited to: (i) comparison of prices against alternative pricing sources; (ii) quantitative analysis (e.g. comparing the quarterly return for each managed portfolio to its target benchmark); (iii) evaluation of methodologies used by external parties to estimate fair value, including a review of the inputs used for pricing; and (iv) comparing the price to our knowledge of the current investment market. Our internal price validation procedures and review of fair value methodology documentation provided by independent pricing services have not historically resulted in adjustment in the prices obtained from the pricing service.

The independent pricing services used by the investment custodians, investment accounting service providers and investment managers obtain actual transaction prices for investments that have quoted prices in active markets. For determining the fair value of investments that are not actively traded, in general, pricing services use “matrix pricing” in which the independent pricing service uses observable market inputs including, but not limited to, reported trades, benchmark yields, broker-dealer quotes, interest rates, prepayment speeds, default rates and such other inputs as are available from market sources to determine a reasonable fair value. In addition, pricing services use valuation models, using observable data, such as an Option Adjusted Spread model, to develop prepayment and interest rate scenarios. The Option Adjusted Spread model is commonly used to estimate fair value for investments such as mortgage-backed and asset-backed investments.

Other Investments

Our other investments are comprised of private equity, fixed income, fixed income hedge, equity and real estate debt funds. Investments in the funds are carried at their net asset values, which approximate fair value. We believe the reported net asset value represents the fair value market participants would apply to an interest in the fund. The fund managers value their underlying investments at fair value in accordance with policies established by each fund, as described in each of their financial statements and offering memoranda. The change in fair value is included in net realized and unrealized gains on investments and recognized in net earnings. These investments

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are stated at fair value, which ordinarily will be the most recently reported net asset value as advised by the fund manager or administrator.

We have ongoing due diligence processes with respect to funds in which we invest and their managers. These processes are designed to assist us in assessing the quality of information provided by, or on behalf of, each fund and in determining whether such information continues to be reliable or whether further review is warranted. Certain funds do not provide full transparency of their underlying holdings; however, we obtain the audited financial statements for funds annually, and regularly review and discuss the fund performance with the fund managers to corroborate the reasonableness of the reported net asset values. The use of net asset value as an estimate of the fair value for investments in certain entities that calculate net asset value is a permitted practical expedient. While reported net asset value is the primary input to the review, when the net asset value is deemed not to be indicative of fair value, we may incorporate adjustments to the reported net asset value (and not use the permitted practical expedient) on an investment by investment basis. These adjustments may involve significant management judgment.

For our investments in private equity funds, we measure fair value by obtaining the most recently provided capital statement from the external fund manager or third-party administrator. The funds calculate net asset value on a fair value basis. Due to a lag in the valuations reported by the managers, we record changes in the investment value with up to a three-month lag. For all publicly-traded companies within these funds, we adjust the reported net asset value based on the latest share price as of our reporting date. We have classified our investments in private equity funds as Level 3 investments because they reflect our own judgment about the assumptions that market participants might use.

The fixed income funds and equity funds in which we invest have been classified as Level 2 investments because their fair value is estimated using the net asset value provided regularly and because the fixed income funds and equity funds are highly liquid.

For our investments in fixed income hedge funds, we measure fair value by obtaining the most recently published net asset value as advised by the external fund manager or third-party administrator. The investments in the funds are classified as Level 3.

The real estate debt fund in which we invest has been classified as a Level 3 investment because its fair value is estimated using the most recent published net asset value.

Our remaining other investments are valued based on the latest available capital statements and have been classified as Level 3.

Certain funds included in other investments are subject to a lock-up period. A lock-up period refers to the initial amount of time an investor is contractually required to invest before having the ability to redeem the investment. Funds that do provide for periodic redemptions may, depending on the funds’ governing documents, have the ability to deny or delay a redemption request, which is called a “gate.” The fund may restrict redemptions because the aggregate amount of redemption requests as of a particular date exceeds a specified level. The gate is a method for executing an orderly redemption process that allows for redemption requests to be executed in a timely manner to reduce the possibility of adversely affecting the remaining investors in the fund. Typically, the imposition of a gate delays a portion of the requested redemption, with the remaining portion to be settled in cash sometime after the redemption date.

Certain funds included in other investments may be allowed to invest a portion of their assets in illiquid securities, such as private equity or convertible debt. In such cases, a common mechanism used is a “side-pocket”, whereby the illiquid security is assigned to a separate memorandum capital account or designated account. Typically, the investor loses its redemption rights in the designated account. Only when the illiquid security is sold, or is otherwise deemed liquid by the fund, may investors redeem their interest in the side-pocket.

As at December 31, 2013, five of our funds with a market value of $3.2 million included in other investments were subject to gates or had side-pockets. These investments are all subject to liquidation. There is, however, no significant uncertainty in relation to the valuation of these investments.

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A review of fair value hierarchy classifications is conducted on a quarterly basis. Changes in the observability of valuation inputs may result in a reclassification for certain financial assets and liabilities. Reclassifications impacting Level 3 of the fair value hierarchy are reported as transfers in/out of the Level 3 category as of the beginning of the quarter in which the reclassifications occur.

Goodwill

Goodwill represents the excess of the purchase price over the fair value of the net assets acquired. We perform an initial valuation of our goodwill assets and assess goodwill for impairment on an annual basis. If, as a result of the assessment, we determine the value of our goodwill asset is impaired, goodwill is written down in the period in which the determination is made. As at December 31, 2013, no impairment has been recorded as a result of our assessment.

Intangible Assets

Intangible assets represent the fair value adjustments related to unpaid losses and loss expenses, reinsurance balances recoverable and policy benefits for life and annuity contracts along with the fair values of Lloyd’s syndicate capacity, customer relationships, management contract and brand arising from the acquisition of Atrium. Definite-lived intangible assets are amortized over their estimated useful lives. We recognize the amortization of all intangible assets in our consolidated statement of earnings. Indefinite-lived intangible assets are not subject to amortization. The carrying values of intangible assets are reviewed for indicators of impairment on at least an annual basis. Impairment is recognized if the carrying values of the intangible assets are not recoverable from their undiscounted cash flows and are measured as the difference between the carrying value and the fair value.

Redeemable Noncontrolling Interest

In connection with the Trident co-investments in our acquisitions of Arden and Atrium, certain subsidiaries have issued shares to a noncontrolling interest (and will issue shares to a noncontrolling interest in connection with the Torus acquisition). These shares are subject to agreements that provide the holder with certain redemption rights. The interests are presented on the balance sheet outside of equity under the caption “redeemable noncontrolling interests” and are carried at fair value. Noncontrolling interests that do not contain such redemption features are presented in equity. We recognize changes in the fair value that exceed the carrying value of redeemable noncontrolling interest through retained earnings as if the balance sheet date were also the redemption date.

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Consolidated Results of Operations — For the Years Ended December 31, 2013, 2012 and 2011

The following table sets forth our consolidated statements of earnings data for each of the periods indicated:

	Years Ended December 31,
	2013			2012			2011
	(in thousands of U.S. dollars)
INCOME
Net premiums earned — non-life run-off	$	112,611		$	—		$	—
Net premiums earned — life and annuities		94,984			3,511			3,543
Net premiums earned — active underwriting		32,212			—			—
Fees and commission income		12,817			8,570			17,858
Net investment income		93,295			77,760			68,676
Net realized and unrealized gains		70,651			73,612			9,214
Gain on bargain purchase		—			—			13,105
		416,570			163,453			112,396
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned — non-life run-off		74,139			—			—
Losses incurred —active underwriting		19,352			—			—
Reduction in estimates of net ultimate losses		(215,480	)		(218,116	)		(248,230	)
Increase (reduction) in provisions for bad debt		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,629	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			22,572			42,693
		(163,672	)		(237,953	)		(293,461	)
Life and annuity policy benefits		78,354			(300	)		1,557
Acquisition costs		23,199			—			—
Salaries and benefits		124,616			100,473			89,846
General and administrative expenses		86,612			56,592			71,810
Interest expense		12,389			8,426			8,529
Net foreign exchange (gains) losses		(4,369	)		406			373
		157,129			(72,356	)		(121,346	)
EARNINGS BEFORE INCOME TAXES		259,441			235,809			233,742
INCOME TAXES		(35,619	)		(44,290	)		(25,284	)
NET EARNINGS		223,822			191,519			208,458
Less: Net earnings attributable to noncontrolling interest		(15,218	)		(23,502	)		(54,765	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	208,604		$	168,017		$	153,693

The below table provides a split by operating segment of the net earnings attributable to Enstar Group Limited:

	Years Ended December 31,
	2013		2012		2011
	(in thousands of U.S. dollars)
Segment split of net earnings attributable to Enstar Group Limited:
Non-life run-off	$	199,873	$	163,868	$	136,352
Active underwriting		3,693		—		—
Life and annuities		5,038		4,149		17,341
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693

The following discussion and analysis of our financial condition and results of operations should be read in conjunction with our consolidated financial statements and the related notes included elsewhere in this annual report. Some of the information contained in this discussion and analysis or included elsewhere in this annual report, including information with respect to our plans and strategy for our business, includes forward-looking

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statements that involve risks, uncertainties and assumptions. Our actual results and the timing of events could differ materially from those anticipated by these forward-looking statements as a result of many factors, including those discussed under “Cautionary Statement Regarding Forward-Looking Statements”, “Item 1A. Risk Factors,” and elsewhere in this annual report.

Comparison of Years Ended December 31, 2013 and 2012

We reported consolidated net earnings, before net earnings attributable to noncontrolling interest, of approximately $223.8 million and $191.5 million for the years ended December 31, 2013 and 2012, respectively. Our comparative results were impacted by our 2013 acquisitions, among other factors. During the year ended December 31, 2013, we completed the acquisitions of SeaBright (on February 7, 2013), Pavonia (on March 31, 2013), Arden (on September 9, 2013) and Atrium (on November 25, 2013). The increase in consolidated net earnings for the year ended December 31, 2013 was attributable primarily to the following:

Net premiums earned — Combined net premiums earned for our three operating segments were $239.8 million and $3.5 million for the years ended December 31, 2013 and 2012, respectively. The significant increase in 2013 was due to the acquisitions of SeaBright, Pavonia, Arden and Atrium.

Net investment income — Net investment income was $93.3 million and $77.8 million for the years ended December 31, 2013 and 2012, respectively. The increase during 2013 was primarily attributable to the net investment income earned on a larger base of cash and fixed maturity investments as a result of the SeaBright, Pavonia, Arden and Atrium acquisitions, although this was partially offset by lower reinvestment yields on new purchases of fixed maturity investments.

Net realized and unrealized gains on investments — Net realized and unrealized gains were $70.7 million and $73.6 million for the years ended December 31, 2013 and 2012, respectively. The decrease in net realized and unrealized gains between 2013 and 2012 was primarily attributable to net realized and unrealized losses in 2013 of $18.9 million on our fixed income securities, due primarily to increases in U.S. interest rates when applied to a larger base of fixed maturity investments following the acquisitions of SeaBright, Pavonia, Arden and Atrium (as compared to net realized and unrealized gains of $28.7 million in 2012), although this was largely offset by significant increases in our net realized and unrealized gains on our equities and other investments. Approximately $886.7 million of investments within Pavonia have been classified as held-to-maturity, and therefore do not contribute to reported net realized or unrealized gains / (losses).

Net reduction in ultimate losses and loss adjustment expense liabilities – these are comprised of the results of our non-life run-off and active underwriting segments.

The non-life run-off segment results related to the combination of:

(i) net reduction in prior period ultimate losses and loss adjustment expense liabilities of $257.1 million and $238.0 million for the years ended December 31, 2013 and 2012, respectively; less

(ii) losses of $74.1 million incurred on SeaBright’s current premiums earned.

These movements related entirely to our non-life run-off segment, as discussed in our non-life run-off segment discussion below.

Active underwriting segment results related to losses incurred for Arden and Atrium of $19.4 million and are described in the active underwriting discussion below.

Life and annuity policy benefits — Life and annuity policy benefits were $78.4 million and $(0.3) million for the years ended December 31, 2013 and 2012, respectively. The significant increase in 2013 was due to the acquisition of Pavonia. The movements relate entirely to our life and annuities segment and are described in greater detail in the segment discussion below.

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Acquisition costs — Acquisition costs were $23.2 million and $nil for the years ended December 31, 2013 and 2012, respectively. The balance for 2013 was due to the acquisitions of SeaBright ($14.4 million) and Pavonia ($8.8 million).

Salaries and benefits — Salaries and benefits were $124.6 million and $100.5 million for the years ended December 31, 2013 and 2012, respectively. The increase of $24.1 million was primarily due to: (i) the salaries and benefits costs associated with the SeaBright, Pavonia and Atrium acquisitions (we did not acquire any employees in the Arden acquisition) and (ii) an increase of $2.5 million in our 2013 bonus accrual of $32.1 million (2012: $29.6 million) relating to increased net earnings for the year ended December 31, 2013 and a bonus accrual rate of 13.3% of pre-bonus net after-tax profits under our annual incentive compensation program (2012: 15%).

General and administrative expenses — General and administrative expenses were $86.6 million and $56.6 million for the years ended December 31, 2013 and 2012, respectively. The increase of $30.0 million was principally due to the general and administrative expenses incurred in 2013 associated with the SeaBright, Pavonia, Arden and Atrium acquisitions along with arrangement and agency fees associated with our amended and restated revolving credit facility.

Income tax expense — Income tax expense was $35.6 million and $44.3 million for the years ended December 31, 2013 and 2012, respectively. Income tax expense is generated through our foreign operations outside of Bermuda, principally in the United States, U.K and Australia. Our income tax expense may fluctuate significantly from period to period depending on the geographic distribution of pre-tax earnings or loss in any given period between different jurisdictions with different tax rates.

Noncontrolling interest — Noncontrolling interest in earnings decreased by $8.3 million to $15.2 million as a result of lower earnings in those companies in which there are either noncontrolling interests or redeemable noncontrolling interests.

Overall, net earnings attributable to Enstar Group Limited increased by $40.6 million, or 24.2%, from $168.0 million for the year ended December 31, 2012 to $208.6 million for the year ended December 31, 2013.

Comparison of Years Ended December 31, 2012 and 2011

We reported consolidated net earnings, before net earnings attributable to noncontrolling interest, of approximately $191.5 million and $208.5 million for the years ended December 31, 2012 and 2011, respectively. The decrease in earnings of approximately $17.0 million was attributable primarily to the following:

(i) an increase in net realized and unrealized gains of $64.4 million due primarily to: (a) mark-to-market changes in the market value of our equity securities; (b) increases in realized gains on our fixed maturities; and (c) increased returns from our other investments;

(ii) a decrease in general and administrative expenses of $15.2 million due principally to decreased legal fees and settlement costs related to certain litigation settled in 2011; and

(iii) an increase in net investment income of $9.1 million primarily as a result of higher average cash and fixed maturities balances for 2012 as a result of the Clarendon National Insurance Company acquisition, which was partially offset by a decrease in yields due to declining yields in the global fixed maturities markets; partially offset by

(iv) a lower net reduction in ultimate losses and loss adjustment expense liabilities of $55.5 million;

(v) an increase in income taxes of $19.0 million due to increased tax liabilities recorded on the results of our taxable subsidiaries;

(vi) a gain on bargain purchase of $13.1 million in 2011, which arose in relation to our acquisition of Laguna Life Limited (as compared to no gain on bargain purchase in 2012);

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(vii) an increase in salaries and benefits costs of $10.6 million due primarily to an increase in salary costs for our U.S. operations along with an increase in our discretionary bonus plan as a result of an increase in net earnings for the year; and

(viii) a decrease in fees and commission income of $9.3 million due to lower revenue from incentive-based fee arrangements.

Noncontrolling interest in earnings decreased by $31.3 million to $23.5 million primarily as a result of lower earnings in those companies in which there are noncontrolling interests. Net earnings attributable to Enstar Group Limited increased by $14.3 million, or 9.3%, from $153.7 million for the year ended December 31, 2011 to $168.0 million for the year ended December 31, 2012.

Segment Reporting

Due to our acquisitions of Pavonia, Arden and Atrium we reevaluated our segment reporting. We now measure our results of operations in three segments: (i) non-life run-off; (ii) life and annuities, and (iii) active underwriting.

Non-life Run-off Segment

Our non-life run-off segment comprises the operations and financial results of our subsidiaries that are running off their property and casualty and other non-life lines of business. It also includes our smaller management business, in which we manage the run-off portfolios of third parties through our service companies.

Life and Annuities Segment

Our life and annuities segment comprises the operations and financial results of our subsidiaries that are operating our closed-block of life and annuity business, which primarily consists of the companies we acquired in the Pavonia acquisition on March 31, 2013. This business is described in more detail below. Certain new critical accounting policies relating to this segment are described in “Critical Accounting Policies.”

Annuities

The current operations of one of the Pavonia companies relate solely to the assumption of a closed block of structured settlement, lottery, and other immediate annuities (also known as the periodic payment annuity, or PPA, business). The company no longer writes new business. Reserves relating to the PPA business constitute approximately 80% of the aggregate reserves acquired in the Pavonia acquisition. The contracts within the portfolio are largely structured settlements, although the portfolio also includes a smaller amount of lottery annuities and supplementary contracts.

The PPA business was issued from 1982 to 1995, although the majority of the reserves pertain to the period from 1985 to 1989. The contracts within the portfolio operate pursuant to a variety of different payment features, such as life contingency payments, certain payments (or a combination thereof), one-time lump payments, or payments patterns such as level, compound increase or fixed amount increase payments. Regardless of payment structure, however, the portfolio generally has known and predictable cash flows, which makes the asset liability matching process and the mitigation of interest rate risk a vital component to our management of this portfolio. We have a long duration held-to-maturity investment portfolio designed to manage the cash flow obligations of the PPA business.

Life Business

The other operations of the acquired Pavonia companies relate to non-annuity portfolios, which include credit life and disability insurance, term life insurance, and corporate owned life insurance and assumed reinsurance of term and ordinary life and accidental death and dismemberment products. This business is significantly shorter in duration than that of the PPA business and, given the premium income associated with these portfolios, the reserves (based upon net present value of future cash flows) remain highly sensitive to lapse rates as well as mortality rates.

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Active Underwriting Segment

For the year ended December 31, 2013, our active underwriting segment comprised the operations and financial results of our recently acquired subsidiaries Atrium and Arden. Following the closing of the Torus Amalgamation, this segment will also include Torus Insurance Holdings Limited and its subsidiaries. We own (or, in the case of Torus, will own) a 60% interest in our active underwriting companies, with the Trident V funds (managed by Stone Point Capital LLC) owning the remaining 40% interest.

Atrium is an underwriting business at Lloyd’s of London, which manages Syndicate 609 and provides approximately 25% of the syndicate’s underwriting capacity and capital (with the balance provided by traditional Lloyd’s Names). Atrium specializes in accident and health, aviation, marine, property, non-marine property, professional liability, property and casualty binding authorities, reinsurance, upstream energy, war and terrorism insurance, cargo and fine art.

Arden is a Bermuda-based reinsurance company that provides reinsurance to Atrium (through an approximately 65% quota share reinsurance arrangement with Atrium 5 Ltd, an Atrium subsidiary) and is currently in the process of running off certain other discontinued businesses. Results related to Arden’s reinsurance to Atrium are included within our active underwriting segment, while results related to Arden’s discontinued business are included within our non-life run-off segment.

Results of Operations by Segment — For the Years Ended December 31, 2013, 2012 and 2011

Non-life Run-off Segment

The following is a discussion and analysis of our results of operations for our non-life run-off segment for the years ended December 31, 2013, 2012 and 2011, which are summarized below:

	Years Ended December 31,
	2013			2012			2011
	(in thousands of U.S. dollars)
INCOME
Net premiums earned	$	112,611		$	—		$	—
Fees and commission income		12,785			9,283			17,858
Net investment income		64,048			76,813			66,556
Net realized and unrealized gains		79,368			71,730			8,553
		268,812			157,826			92,968
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned		74,139			—			—
Reduction in estimates of net ultimate losses		(215,480	)		(218,116	)		(248,230	)
Increase (reduction) in provisions for bad debt		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			22,572			42,693
		(182,975	)		(237,953	)		(293,461	)
Acquisition costs		14,379			—			—
Salaries and benefits		117,141			99,342			89,440
General and administrative expenses		67,979			55,731			70,841
Interest expense		12,057			8,426			8,529
Net foreign exchange (gains) losses		(5,909	)		644			1,190
		22,672			(73,810	)		(123,461	)
EARNINGS BEFORE INCOME TAXES		246,140			231,636			216,429
INCOME TAXES		(34,191	)		(44,266	)		(25,311	)
NET EARNINGS		211,949			187,370			191,117
Less: Net earnings attributable to noncontrolling interest		(12,076	)		(23,502	)		(54,765	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	199,873		$	163,868		$	136,352

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Summary Comparison of Years Ended December 31, 2013 and 2012

In our non-life run-off segment, we reported consolidated net earnings, before net earnings attributable to noncontrolling interest, of approximately $212.0 million and $187.4 million for the years ended December 31, 2013 and 2012, respectively. The increase in earnings of approximately $24.6 million was attributable primarily to the following:

(i) an increase of $24.1 million in net underwriting result comprised of net premiums earned, less losses incurred on current period premiums and acquisition costs related to SeaBright;

(ii) an increase of $19.2 million in net reduction in ultimate losses and loss adjustment expense liabilities (excluding losses incurred relating to premiums earned by SeaBright in the year of $74.1 million);

(iii) a decrease in income tax expense of $10.1 million;

(iv) an increase in fees and commission income of $3.5 million;

(v) an increase in net realized and unrealized gains of $7.6 million; and

(vi) a net foreign exchange gain of $5.9 million for the year ended December 31, 2013, which was a $6.6 million increase from the net foreign exchange loss for the same period in 2012; partially offset by

(vii) an increase in salaries and benefits of $17.8 million;

(viii) an increase in general and administrative expenses of $12.2 million;

(ix) a decrease in net investment income of $12.8 million; and

(x) an increase in interest expense of $3.6 million.

Noncontrolling interest in earnings decreased by $11.4 million to $12.1 million for the year ended December 31, 2013 as a result of lower earnings in those companies in which there are noncontrolling interests. Net earnings attributable to Enstar Group Limited increased by $36.0 million, or 22.0%, from $163.9 million for the year ended December 31, 2012 to $199.9 million for the year ended December 31, 2013.

Summary Comparison of Years Ended December 31, 2012 and 2011

We reported consolidated net earnings, before net earnings attributable to noncontrolling interest, of approximately $187.4 million and approximately $191.1 million for the years ended December 31, 2012 and 2011, respectively. The decrease in earnings of approximately $3.7 million was attributable primarily to the factors described in the consolidated results discussion on page 82. All of our results of operations for 2012 and 2011, other than those related to Laguna Life Limited, or Laguna, were reported within our non-life run-off segment. Amounts related to 2012 and 2011 operating results of Laguna have been reclassified to conform to the current period presentation.

Noncontrolling interest in earnings decreased by $31.3 million to $23.5 million primarily as a result of lower earnings in those companies in which there are noncontrolling interests. Net earnings attributable to Enstar Group Limited increased by $27.5 million, or 20.2%, from $136.4 million for the year ended December 31, 2011 to $163.9 million for the year ended December 31, 2012.

Net Premiums Earned:

	Years Ended December 31,
	2013			Variance		2012		Variance		2011
	(in thousands of U.S. dollars)
Gross premiums written	$	14,166				$	—			$	—
Ceded reinsurance premiums written		(4,933	)				—				—
Net premiums written		9,233		$	9,233		—	$	—		—
Gross premiums earned		124,262					—				—
Ceded reinsurance premiums earned		(11,651	)				—				—
Net premiums earned	$	112,611		$	112,611	$	—	$	—	$	—

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Premiums Written

Gross premiums written consist of direct premiums written and premiums assumed by SeaBright from the National Council on Compensation Insurance (or NCCI) residual market pools. Upon acquisition, SeaBright was placed into run-off and, as a result, stopped writing new insurance policies. SeaBright was renewing expiring insurance policies when it was obligated to do so by regulators, but has now received approvals from all states relieving it of this obligation.

Gross and net non-life run-off premiums written by SeaBright from the date of acquisition to December 31, 2013 totaled $14.2 million and $9.2 million, respectively. Now that SeaBright’s exit from the mandatory renewal process has been approved, we expect that SeaBright will no longer generate premiums written other than for small adjustments related to premium audits and reinstatement premiums on previously written policies.

Premiums Earned

Our gross premiums earned totaled $124.3 million from the date of acquisition to December 31, 2013. Ceded reinsurance premiums earned from the date of acquisition to December 31, 2013 were $11.7 million. Accordingly, net non-life run-off premiums earned totaled $112.6 million. With SeaBright no longer generating written premiums, we expect that the remaining unearned premiums of $1.2 million as at December 31, 2013 will be realized and fully earned by the second quarter of 2014. We separately recorded acquisition costs from the date of acquisition to December 31, 2013 of approximately $14.4 million associated with the premiums earned by SeaBright.

Fees and Commission Income:

	Years Ended December 31,
	2013		Variance		2012		Variance			2011
	(in thousands of U.S. dollars)
Total	$	12,785	$	3,502	$	9,283	$	(8,575	)	$	17,858

Comparison of Years Ended December 31, 2013 and 2012

Our management companies earned fees and commission income of approximately $12.8 million and $9.3 million for the years ended December 31, 2013 and 2012, respectively. The increase in fees and commission income of $3.5 million related primarily to an increase in management fees earned from third-party agreements. Fees and commission income as a percentage of net earnings has declined in recent periods, and we would expect it to remain at or around current levels in future periods, excluding the impact of any one-time incentive based fees that we might receive. While we intend to continue to provide management and consultancy services, claims inspection services and reinsurance collection services to third-party clients in limited circumstances, our core focus continues to be acquiring and managing insurance and reinsurance companies and portfolios of business in run-off.

Comparison of Years Ended December 31, 2012 and 2011

Our management companies earned fees and commission income of approximately $9.3 million and $17.9 million for the years ended December 31, 2012 and 2011, respectively. The decrease in fees and commission income of $8.6 million related primarily to the decrease in management fees earned from third-party agreements.

Net Investment Income and Net Realized and Unrealized Gains:

	Years Ended December 31,
	Net Investment Income											Net Realized and Unrealized Gains
	2013		Variance			2012		Variance		2011		2013		Variance		2012		Variance		2011
	(in thousands of U.S. dollars)
Total	$	64,048	$	(12,765	)	$	76,813	$	10,257	$	66,556	$	79,368	$	7,638	$	71,730	$	63,177	$	8,553

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Comparison of Years Ended December 31, 2013 and 2012

Net investment income for the year ended December 31, 2013 decreased by $12.8 million to $64.0 million, as compared to $76.8 million for the year ended December 31, 2012. The decrease was primarily a result of lower yields obtained on our cash and fixed income portfolios, as securities with higher yields matured and were reinvested at lower yields. This decrease is partially offset by net investment income attributable to higher cash and investment balances due to the SeaBright acquisition, which closed on February 7, 2013.

Net realized and unrealized gains for the year ended December 31, 2013 and 2012 were $79.4 million and $71.7 million, respectively. The increase of $7.7 million was primarily attributable to the combination of the following items:

(i) An increase of $38.4 million in net unrealized and realized gains due to greater amounts invested in, and improved performance of, our private equity and other investment holdings; and

(ii) An increase of $16.7 million in net unrealized and realized gains due to greater amounts invested in, and improved performance of, our equity portfolios; partially offset by

(iii) Net unrealized and realized losses related to fixed income securities of $18.9 million (including $8.3 million related to SeaBright) for the year ended December 31 2013, compared to net unrealized and realized gains of $28.7 million for the same period in 2012, due largely to increases in U.S interest rates during the year-ended December 31, 2013, as compared to the same period in 2012.

Comparison of Years Ended December 31, 2012 and 2011

Net investment income for the year ended December 31, 2012 increased by $10.2 million to $76.8 million, as compared to $66.6 million for the year ended December 31, 2011. The increase was primarily a result of higher than average cash and fixed maturities for 2012 as a result of the 2011 acquisition of Clarendon National Insurance Company, or Clarendon. In 2012, we had a full year of net investment income from Clarendon as opposed to net investment income for approximately six months in 2011 from the date of acquisition. Lower absolute yields obtained on cash and fixed maturities due to declining yields in global fixed maturities markets offset part of this increase.

Net realized and unrealized gains for the year ended December 31, 2012 and 2011 were $71.7 million and $8.6 million, respectively. The increase of $63.1 million was primarily attributable to a combination of the following:

(i) an increase of $11.7 million in net realized gains on our fixed maturities and short-term investments mostly due to increased trading in those asset classes;

(ii) an increase of $20.2 million in unrealized gains on trading securities as a result of increases in the value of our investments in equities and fixed maturities in line with increases in the global markets; and

(iii) an increase of $30.2 million in returns from other investments due to increases in global equity and fixed income markets, combined with greater amounts invested in those asset classes in 2012.

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Annualized Returns

The below table presents the annualized investment returns (inclusive of net investment income and net realized and unrealized gains) that we have earned on our average cash and investments for the years ended December 31, 2013, 2012 and 2011:

	Annualized Return									Average Cash and Investment Balances
	2013			2012			2011			2013		2012		2011
										(in thousands of U.S. dollars)
Cash and fixed maturities		0.83	%		1.80	%		1.86	%	$	4,122,022	$	5,043,534	$	3,773,056
Other investments and equities		16.88	%		11.83	%		1.70	%		615,525		413,314		297,374
Combined overall		3.00	%		2.68	%		1.50	%		4,737,548		5,551,399		5,022,603

The average credit ratings of our fixed maturity investments as at December 31, 2013, 2012 and 2011 were A+, AA- and AA-, respectively.

Net Reduction in Ultimate Losses and Loss Adjustment Expense Liabilities:

The following table shows the components of the movement in the net reduction in ultimate losses and loss adjustment expense liabilities for the years ended December 31, 2013, 2012 and 2011:

	Years Ended December 31,
	2013								2012			2011
	Prior Periods			Current Period		Total			Prior Periods			Prior Periods
	(in thousands of U.S. dollars)
Net losses paid	$	360,214		$	10,656	$	370,870		$	314,528		$	288,175
Net change in case and LAE reserves		(310,488	)		29,555		(280,933	)		(265,222	)		(311,614	)
Net change in IBNR reserves		(265,206	)		33,928		(231,278	)		(267,422	)		(224,791	)
(Reduction) increase in estimates of net ultimate losses		(215,480	)		74,139		(141,341	)		(218,116	)		(248,230	)
(Increase) reduction in provisions for bad debt		1,999			—		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—		(49,580	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			—		5,947			22,572			42,693
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities	$	(257,114	)	$	74,139	$	(182,975	)	$	(237,953	)	$	(293,461	)

Net change in case and LAE reserves comprises the movement during the year in specific case reserve liabilities as a result of claims settlements or changes advised to us by our policyholders and attorneys, less changes in case reserves recoverable advised by us to our reinsurers as a result of the settlement or movement of assumed claims. Net change in IBNR reserves represents the change in our actuarial estimates of losses incurred but not reported, less amounts recoverable.

Comparison of Years Ended December 31, 2013 and 2012

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2013 of $183.0 million included current period incurred losses of $74.1 million related to SeaBright. Excluding SeaBright’s current period incurred losses of $74.1 million, ultimate losses and loss adjustment expenses relating to prior periods were reduced by $257.1 million, which was attributable to a reduction in estimates of net ultimate losses of $215.5 million and a reduction in provisions for unallocated loss adjustment expense liabilities of $49.6 million, relating to 2013 run-off activity, partially offset by an increase in provisions for bad debt of

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$2.0 million and amortization of fair value adjustments over the estimated payout period relating to companies acquired amounting to $5.9 million.

The reduction in estimates of net ultimate losses relating to prior periods of $215.5 million comprised reductions in IBNR reserves of $265.2 million partially offset by net incurred loss development of $49.7 million. The decrease in the aggregate estimate of net IBNR reserves of $265.2 million (compared to $267.4 million during the year ended December 31, 2012), was comprised of $69.8 million relating to asbestos liabilities (compared to $36.4 million in 2012), $4.9 million relating to environmental liabilities (compared to $2.6 million in 2012), $42.6 million relating to general casualty liabilities (compared to $96.3 million in 2012), $42.1 million relating to workers compensation liabilities (compared to $52.7 million in 2012) and $105.8 million relating to all other remaining liabilities (compared to $79.4 million in 2012).

The aggregate reduction in net IBNR reserves of $265.2 million relating to prior periods was a result of the application, on a basis consistent with the assumptions applied in the prior period, of our actuarial methodologies to revised historical loss development data, following 108 commutations and policy buy-backs, to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2013, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts. The net incurred loss development resulting from settlement of net advised case and LAE reserves of $310.5 million for net paid losses of $360.2 million related to the settlement of non-commuted losses in the year and 108 commutations and policy buy-backs of assumed and ceded exposures (including the commutation of one of our top ten assumed exposures and one of our top ten ceded recoverables as at January 1, 2013). Net advised case and LAE reserves settled by way of commutation and policy buy-backs during the year ended December 31, 2013 amounted to $29.8 million (comprising $97.3 million of assumed case reserves and LAE reserves partially offset by $67.5 million of ceded incurred reinsurance recoverable case reserves).

The increase in aggregate provisions for bad debt of $2.0 million was a result of additional provisions being allowed in the quarter for contractual disputes with reinsurers, offset by cash collections and commutations on certain reinsurance receivables against which bad debt provisions had been provided in earlier periods.

Comparison of Years Ended December 31, 2012 and 2011

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2012 of $238.0 million was attributable to a reduction in estimates of net ultimate losses of $218.1 million, a reduction in aggregate provisions for bad debt of $3.1 million and a reduction in estimates of unallocated loss adjustment expense liabilities of $39.3 million, relating to 2012 run-off activity, partially offset by the amortization, over the estimated payout period, of fair value adjustments relating to companies acquired amounting to $22.6 million.

The reduction in estimates of net ultimate losses of $218.1 million comprised net incurred loss development of $49.3 million and reductions in net IBNR reserves of $267.4 million. During the three months ended December 31, 2012, one of our insurance entities, following an exposure-based review of all advised claims, allocated $52.4 million of net IBNR reserves to specific net case and LAE reserves. Excluding this allocation, net incurred loss development for the year ended December 31, 2012 was a favorable $3.1 million and reductions in net IBNR reserves amounted to $215.0 million. The decrease in the aggregate estimate of net IBNR reserves of $215.0 million, excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves (compared to $224.8 million during the year ended December 31, 2011), was comprised of $36.4 million relating to asbestos liabilities (compared to $57.9 million in 2011), $2.6 million relating to environmental liabilities (compared to $2.8 million in 2011), $96.3 million relating to general casualty liabilities (compared to $91.6 million in 2011) and $79.7 million relating to all other remaining liabilities (compared to $72.5 million in 2011).

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The aggregate reduction in net IBNR reserves of $215.0 million was a result of the application, on a basis consistent with the assumptions applied in the prior period, of our actuarial methodologies to revised historical loss development data, following 101 commutations, to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2012, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts. The net incurred favorable loss development, excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves, of $3.1 million, resulting from settlement of net advised case and LAE reserves of $317.6 million for net paid losses of $314.5 million, related to the settlement of non-commuted losses in the year and 101 commutations of assumed and ceded exposures. Net incurred liabilities settled by way of commutation during the year ended December 31, 2012 amounted to $26.6 million (comprising $163.1 million of assumed incurred liabilities partially offset by $136.5 million of ceded incurred reinsurance recoverables) compared to the net aggregate reduction in advised case reserves during the same period of $317.6 million (excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves).

Of the 101 commutations completed, three related to our top ten insured and/or reinsured exposures, and one related to our top ten ceded reinsurance assets, all four of which commutations were completed in the three months ended June 30, 2012. The remaining 97 commutations, of which approximately 33% were completed during the three months ended December 31, 2012, were of a smaller size, consistent with our approach of targeting significant numbers of cedant and reinsurer relationships, as well as targeting significant individual cedant and reinsurer relationships. The combination of the claims settlement activity in 2012, including commutations, and the actuarial estimation of net IBNR reserves required for the remaining non-commuted exposures (which took into account the favorable trend of loss development in 2012 related to such exposures compared to prior forecasts), resulted in our management concluding that the loss development activity that occurred subsequent to the prior reporting period provided sufficient new information to warrant a reduction in net IBNR reserves of $215.0 million (excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves) in 2012.

The reduction in aggregate provisions for bad debt of $3.1 million was a result of the collection of certain reinsurance recoverables against which bad debt provisions had been provided in earlier periods.

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Beginning and Ending Reserves

The table below provides a reconciliation of the beginning and ending reserves for losses and loss adjustment expenses for the years ended December 31, 2013, 2012, and 2011. Losses incurred and paid are reflected net of reinsurance recoverables.

	Years Ended December 31,
	2013			2012			2011
	(in thousands of U.S. dollars)
Balance as at January 1(1)	$	3,650,127		$	4,272,082		$	3,291,275
Less: total reinsurance reserves recoverable		876,220			1,383,003			525,440
		2,773,907			2,889,079			2,765,835
Net reduction in ultimate losses and loss adjustment expense liabilities related to:
Current period		74,139			—			—
Prior periods		(257,114	)		(237,953	)		(293,461	)
Total net reduction in ultimate losses and loss adjustment expense liabilities		(182,975	)		(237,953	)		(293,461	)
Net losses paid related to:
Current period		(10,656	)		—			—
Prior periods		(360,214	)		(314,528	)		(288,175	)
Total net losses paid		(370,870	)		(314,528	)		(288,175	)
Effect of exchange rate movement		4,936			14,833			(7,987	)
Acquired on purchase of subsidiaries		557,476			—			600,046
Assumed business		100,506			422,476			112,821
Net balance as at December 31		2,882,980			2,773,907			2,889,079
Plus: total reinsurance reserves recoverable		1,121,533			876,220			1,383,003
Balance as at December 31	$	4,004,513		$	3,650,127		$	4,272,082

(1) We have reclassified outstanding losses and loss adjustment expense liabilities of $11.0 million and $10.8 million to policy benefits for life and annuity contracts as at January 1, 2013 and 2012, respectively, to conform to the current period presentation. These amounts are associated with Laguna, which now forms part of our life and annuities segment that was established following the acquisition of Pavonia.

Salaries and Benefits:

	Year Ended December 31,
	2013		Variance			2012		Variance			2011
	(in thousands of U.S. dollars)
Total	$	117,141	$	(17,799	)	$	99,342	$	(9,902	)	$	89,440

Comparison of Years Ended December 31, 2013 and 2012

Salaries and benefits, which include expenses relating to our discretionary bonus and employee share plans, were $117.1 million and $99.3 million for the years ended December 31, 2013 and 2012, respectively.

The principal changes in salaries and benefits were:

(i) increased staff costs due to an increase in our average headcount from 392 in 2012 to 559 in 2013, primarily attributable to staff acquired on completion of the SeaBright acquisition; and

(ii) an increase in our bonus provision of $1.8 million. Expenses relating to our annual incentive compensation program will be variable and are dependent on our overall profitability.

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Comparison of Years Ended December 31, 2012 and 2011

Salaries and benefits, which include expenses relating to our discretionary bonus and employee share plans, were $99.3 million and $89.4 million for the years ended December 31, 2012 and 2011, respectively.

The principal changes in salaries and benefits were:

(i) an increase in the discretionary bonus provision of $2.3 million due to the increase in net earnings for the year ended December 31, 2012 as compared to 2011.

(ii) a lower expense for 2011 attributable to the release back to earnings of approximately $4.0 million related to the unallocated portion of the 2010 year-end bonus accrual provision; and

(iii) increased staff costs due to an increase in our average headcount from 378 in 2011 to 392 in 2012, attributable to staff acquired on completion of the Clarendon acquisition in July 2011, partially offset by reductions in headcount in both our U.K. and Australian subsidiaries.

General and Administrative Expenses:

	Years Ended December 31,
	2013		Variance			2012		Variance		2011
	(in thousands of U.S. dollars)
Total	$	67,979	$	(12,248	)	$	55,731	$	15,110	$	70,841

Comparison of Years Ended December 31, 2013 and 2012

General and administrative expenses increased by $12.2 million from $55.7 million to $68.0 million during the year ended December 31, 2013, as compared to the year ended December 31, 2012. The increase in expenses in 2013 related primarily to:

(i) an increase in bank charges of $4.2 million due to arrangement fees for our revolving credit facility with National Australia Bank, Barclays Bank and Royal Bank of Canada; and

(ii) additional general and administrative expenses of $11.8 million incurred in relation to the acquisition of SeaBright, which we completed in 2013.

Comparison of Years Ended December 31, 2012 and 2011

General and administrative expenses decreased by $15.1 million from $70.8 million to $55.7 million during the year ended December 31, 2012, as compared to the year ended December 31, 2011. The decrease in expenses in 2012 related primarily to:

(i) a decrease in legal and professional fees of $10.9 million due largely to higher 2011 legal fees and settlement costs associated with certain litigation that did not recur in 2012, along with reductions in audit, actuarial and consulting fees of approximately $4.0 million; and

(ii) a reduction in bank costs of $5.6 million as a result of fewer costs associated with credit facility fees and letters of credit.

Interest Expense:

	Years Ended December 31,
	2013		Variance			2012		Variance		2011
	(in thousands of U.S. dollars)
Total	$	12,057	$	(3,631	)	$	8,426	$	103	$	8,529

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Comparison of Years Ended December 31, 2013 and 2012

Interest expense of $12.1 million and $8.4 million was recorded for the years ended December 31, 2013 and 2012, respectively. The increase in interest expense was a result of an increased total amount of loans outstanding during the year ended December 31, 2013 as compared to the same period in 2012, largely due to the SeaBright acquisition.

Comparison of Years Ended December 31, 2012 and 2011

Interest expense of $8.4 million and $8.5 million was recorded for the years ended December 31, 2012 and 2011, respectively. The decrease in interest expense was attributable primarily to the lower interest rates on the loan facilities outstanding during the year ended December 31, 2012 as compared to the same period in 2011.

Income Tax Expense:

	Years Ended December 31,
	2013		Variance		2012		Variance			2011
	(in thousands of U.S. dollars)
Total	$	34,191	$	10,075	$	44,266	$	(18,955	)	$	25,311

Comparison of Years Ended December 31, 2013 and 2012

We recorded income tax expense of $34.2 million and $44.3 million for the years ended December 31, 2013 and 2012, respectively.

Income tax expense is primarily generated through our foreign operations outside of Bermuda, principally in the United States, Europe and Australia. The effective tax rate, which is calculated as income tax expense or benefit divided by income before tax, is primarily driven by the geographic distribution of pre-tax net income between jurisdictions with comparatively higher tax rates and those with comparatively lower income tax rates and as a result may fluctuate significantly from period to period.

The decrease in income taxes of $10.1 million was due principally to decreased pre-tax net income recorded in our U.S. and U.K. based subsidiaries as compared to the prior year.

The effective tax rate was 13.9% for the year ended December 31, 2013 compared with 18.8% for the year ended December 31, 2012. In 2013, we had proportionately lower net income in our tax paying subsidiaries than in the previous year.

Comparison of Years Ended December 31, 2012 and 2011

We recorded income tax expense of $44.3 million and $25.3 million for the years ended December 31, 2012 and 2011, respectively.

The effective tax rate was 18.8% for the year ended December 31, 2012 compared with 10.8% in the year ended December 31, 2011. Our tax expense increased by $19.0 million for the year ended December 31, 2012 due principally to increased taxable earnings from our U.K.-based subsidiaries.

Noncontrolling Interest:

	Years Ended December 31,
	2013		Variance		2012		Variance		2011
	(in thousands of U.S. dollars)
Total	$	12,076	$	11,426	$	23,502	$	31,263	$	54,765

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Comparison of Years Ended December 31, 2013 and 2012

We recorded a noncontrolling interest in earnings of $12.1 million and $23.5 million for the years ended December 31, 2013 and 2012, respectively.

The decrease for the year ended December 31, 2013 was due primarily to the decrease in earnings for those companies where there exists a noncontrolling interest. The number of subsidiaries in this segment with a noncontrolling interest increased from 7 as at December 31, 2012 to 8 as at December 31, 2013.

Comparison of Years Ended December 31, 2012 and 2011

We recorded a noncontrolling interest in earnings of $23.5 million and $54.8 million for the years ended December 31, 2012 and 2011, respectively. The decrease for the year ended December 31, 2012 was due primarily to the decrease in earnings for those companies where there exists a noncontrolling interest. In addition, on January 1, 2012, Lloyd’s Syndicate 2008 (or S2008) transferred the assets and liabilities relating to its 2009 and prior underwriting years of account into its 2010 underwriting year of account by means of an RITC transaction. Following the transfer, the existing noncontrolling interest held by other investors ceased, resulting in us now providing 100% of the underwriting capacity for S2008. The number of subsidiaries with a noncontrolling interest decreased from 8 as at December 31, 2011 to 7 as at December 31, 2012.

Life and Annuities Segment

On March 31, 2013, we acquired Pavonia and, as a result, reevaluated our segment reporting. As part of that reevaluation, we have included the results of Laguna within the life and annuities segment for each of the years ended December 31, 2013, 2012 and 2011. With the acquisition of Pavonia in 2013, our results for the life and annuities segment are substantially different from 2012 and 2011, when we only owned Laguna.

The following is a discussion and analysis of our results of operations for our life and annuities segment for the years ended December 31, 2013, 2012 and 2011, which are summarized below:

	Years Ended December 31,
	2013			2012			2011
	(in thousands of U.S. dollars)
INCOME
Net premiums earned	$	94,984		$	3,511		$	3,543
Net investment income		30,182			947			2,120
Net realized and unrealized (losses) gains		(9,259	)		1,882			661
Gain on bargain purchase		—			—			13,105
		115,907			6,340			19,429
EXPENSES
Life and annuity policy benefits		78,354			(300	)		1,557
Acquisition costs		8,820			—			—
Salaries and benefits		4,799			1,131			406
General and administrative expenses		16,039			1,574			969
Interest expense		1,456			—			—
Net foreign exchange losses (gains)		158			(238	)		(817	)
		109,626			2,167			2,114
EARNINGS BEFORE INCOME TAXES		6,281			4,173			17,314
INCOME TAXES		(1,243	)		(24	)		27
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	5,038		$	4,149		$	17,341

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Net Premiums Earned:

	Years Ended December 31,
	2013		Variance		2012		Variance			2011
	(in thousands of U.S. dollars)
Term life insurance	$	25,590	$	22,079	$	3,511	$	(32	)	$	3,543
Assumed life reinsurance		15,584		15,584		—		—			—
Credit life and disability		53,810		53,810		—		—			—
	$	94,984			$	3,511				$	3,543

Net premiums earned were $95.0 million and $3.5 million for the years ended December 31, 2013 and 2012, respectively. Term life premiums consist primarily of monthly premium collections coupled with annual premiums earned as collected. The term life business consists of 10, 15, 20 and 30 year direct term business with approximately 90% of premiums to be earned over the next 20 years. The assumed life reinsurance premiums will continue to be earned until the year 2052; however, approximately 70% are expected to be earned within the next ten years. Credit life and disability premiums are fixed monthly premiums received on credit products that mostly consist of sub-prime mortgages in the U.S. and Canada; approximately 90% of these premiums are expected to be earned before the year 2023. Substantially all net premiums earned in 2013 relate to the acquisition of the Pavonia companies. We separately recorded acquisition costs from the date of acquisition to December 31, 2013 of approximately $8.8 million associated with the premiums earned by Pavonia. The premiums are expected to reduce by approximately 15-20% per annum as the blocks of business continue to run-off and policies lapse.

For our life and annuities business, our strategy differs from our non-life run-off and active underwriting businesses, in particular because we are unable to shorten the duration of the liabilities in these businesses through either commutations or policy buy backs. Instead, we will hold the policies associated with the life and annuities business to their natural maturity in order to pay claims as they fall due.

Net premiums earned in 2012 and 2011 related to the Laguna term life business.

Net Investment Income and Net Realized and Unrealized (Losses) Gains:

	Years Ended December 31,
	Net Investment Income											Net Realized and Unrealized (Losses) Gains
	2013		Variance		2012		Variance			2011		2013			Variance			2012		Variance		2011
	(in thousands of U.S. dollars)
Total	$	30,182	$	29,235	$	947	$	(1,173	)	$	2,120	$	(9,259	)	$	(11,141	)	$	1,882	$	1,221	$	661

Net investment income for the years ended December 31, 2013 and 2012 was $30.2 million and $0.9 million, respectively. The increase was primarily due to the inclusion of the cash and fixed income securities associated with the acquisition of the Pavonia companies on March 31, 2013.

Net realized and unrealized (losses) gains for the years ended December 31, 2013 and 2012 were ($9.3) million and $1.9 million, respectively. The increases in net realized and unrealized losses of $11.1 million was primarily due to unrealized losses on fixed income investments acquired with the non-PPA Pavonia companies, largely due to increases in U.S. interest rates during the year ended December 31, 2013.

The current operations of one of the Pavonia companies relates solely to periodic payment annuities. We have a long duration held-to-maturity investment portfolio to manage the cash flow obligations of these annuities. This held-to-maturity portfolio is carried at amortized cost and as such we would not anticipate any unrealized gains or losses on the portfolio. The held-to-maturity portfolio, at acquisition, comprised approximately 71% of the Pavonia investments.

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Annualized Returns

The table below presents the annualized investment returns (inclusive of net investment income and net realized and unrealized (losses) gains) that we have earned on our average cash and investments for the years ended December 31, 2013, 2012 and 2011:

	Annualized Return									Average Cash and Investment Balances
	2013			2012			2011			2013		2012		2011
										(in thousands of U.S. dollars)
Cash and fixed maturities		1.93	%		5.80	%		6.01	%	$	1,040,455	$	48,736	$	46,284
Other investments and equities		2.84	%		—	%		—	%		10,924		—		—
Combined overall		2.00	%		5.80	%		6.01	%		1,044,440	$	48,736	$	46,284

The average credit ratings of our fixed maturity investments as at December 31, 2013, 2012 and 2011 were A+, AA- and AA-, respectively.

Gain on Bargain Purchase:

	Years Ended December 31,
	2013		Variance		2012		Variance			2011
	(in thousands of U.S. dollars)
Total	$	—	$	—	$	—	$	(13,105	)	$	13,105

Gain on bargain purchase of $13.1 million was recorded for the year ended December 31, 2011. The gain on bargain purchase was earned in connection with our acquisition of Laguna and represents the excess of the cumulative fair value of net assets acquired of $34.3 million over the cost of $21.2 million. This excess has, in accordance with the provisions of the Business Combinations topic of the FASB Codification, been recognized as income for the year ended December 31, 2011. The gain on bargain purchase arose mainly as a result of our reassessment, upon acquisition, of the total required estimated costs to manage the business to expiry. Our assessment of costs was lower than the acquired costs recorded by the vendor in the financial statements of Laguna.

Life and Annuity Policy Benefits:

	Years Ended December 31,
	2013			Variance			2012			Variance		2011
	(in thousands of U.S. dollars)
Periodic payment annuity benefits paid	$	37,496		$	(37,496	)	$	—		$	—	$	—
Reductions in periodic payment annuity benefit reserves		(19,268	)		19,268			—			—		—
Net change on periodic payment annuity benefit reserves		18,228						—					—
Net life claims benefits paid		64,307			(64,307	)		—			—
Net change in life claims benefit reserves		(15,443	)		15,143			(300	)		1,857		1,557
Amortization of fair value adjustments		11,262			(11,262	)		—			—		—
Net ultimate change in life benefit reserves		60,126						(300	)				1,557
	$	78,354					$	(300	)			$	1,557

Life and annuity policy benefits were $78.4 million and ($0.3) million for the years ended December 31, 2013 and 2012, respectively. PPA benefits paid during the year ended December 31, 2013 were $37.5 million, which was an average of approximately $4.2 million per month, offset by a reduction in PPA benefit reserves of $19.3 million. Net ultimate change in life benefit reserves of $60.1 million was comprised of net life claims benefits paid of $64.3 million and amortization of fair value adjustments of $11.3 million, partially offset by net change in life claims benefit reserves of $15.4 million.

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Life and annuity policy benefits for 2012 and 2011 related to the Laguna term life business.

General and Administrative Expenses:

	Years Ended December 31,
	2013		Variance			2012		Variance			2011
	(in thousands of U.S. dollars)
Total	$	16,039	$	(14,465	)	$	1,574	$	(605	)	$	969

General and administrative expenses were $16.0 million and $1.6 million for the years ended December 31, 2013 and 2012, respectively. Included within general and administrative expenses for the years ended December 31, 2013 were $3.7 million related to legal and professional fees. The remaining $12.3 million included costs associated with information technology, rent, bank charges and other expenses, of which approximately $4.0 million related to non-recurring transaction costs associated with the acquisition and integration of the Pavonia companies.

Active Underwriting Segment

Our active underwriting segment is comprised of the operations and financial results of Atrium and its subsidiaries (acquired November 25, 2013) and Arden (acquired September 9, 2013). Results related to Arden’s reinsurance to Atrium are included within our active underwriting segment, while results related to Arden’s run-off business are included within our non-life run-off segment. Following the closing of the Torus amalgamation, the active underwriting segment will also include substantially all of Torus Insurance Holdings Limited and its subsidiaries (some of Torus’ lines of business are in run-off and will accordingly be accounted for within our non-life run-off segment).

The following is a discussion and analysis of our results of operations for our active underwriting segment for the year ended December 31, 2013, which are summarized below. We did not have a active underwriting business for the years ended December 31, 2012 and 2011.

	Year Ended December 31, 2013
	(in thousands of U.S. dollars)
INCOME
Net premiums earned	$	32,212
Fees and commission income		2,708
Net investment income		521
Net realized and unrealized gains		542
		35,983
EXPENSES
Net increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred		19,352
Reduction in provisions for unallocated loss adjustment expense liabilities		(49	)
		19,303
Salaries and benefits		2,676
General and administrative expenses		5,270
Interest expense		332
Net foreign exchange losses		1,382
		28,963
EARNINGS BEFORE INCOME TAXES		7,020
INCOME TAXES		(185	)
NET EARNINGS		6,835
Less: Net earnings attributable to noncontrolling interest		(3,142	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	3,693

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For our active underwriting segment, we reported consolidated net earnings attributable to Enstar Group Limited, before net earnings attributable to noncontrolling interest, of approximately $6.8 million from the dates of the acquisitions of Atrium and Arden to December 31, 2013.

The results arose primarily as a result of:

(i) net underwriting result of $12.9 million (net premiums earned of $32.2 million less $19.3 million in losses incurred);

(ii) fees and commission income of $2.7 million comprising Atrium managing agency fees; and

(iii) net investment income and net realized and unrealized gains of $1.1 million; partially offset by

(iv) salaries and benefits and general and administrative expenses of $7.9 million.

Noncontrolling interest in earnings of $3.1 million related to Trident’s 40% interest in the earnings of Atrium and Arden, resulting in net earnings from active underwriting attributable to Enstar Group Limited of $3.7 million for the year ended December 31, 2013.

For 2014, we expect the income and expenses associated with the active underwriting segment to increase over 2013 levels as a result of us having a full year’s results for our recently completed acquisitions of Atrium and Arden, along with a partial year’s results relating to Torus once acquired. Earnings attributable to noncontrolling interest in 2014 will be dependent on the level of combined earnings for Atrium, Arden and Torus. We also expect interest expense to increase in 2014 from 2013, largely due to increased borrowings under our revolving credit facility related to acquisition activity in this segment.

Liquidity and Capital Resources

Our capital management strategy is to preserve sufficient capital to enable us to make future acquisitions while maintaining a conservative investment strategy. As we are a holding company and have no substantial operations of our own, our assets consist primarily of investments in subsidiaries. The potential sources of the cash flows to Enstar as a holding company consist of dividends, advances and loans from our subsidiary companies.

Our future cash flows depend upon the availability of dividends or other statutorily permissible payments from our subsidiaries. The ability to pay dividends and make other distributions is limited by the applicable laws and regulations of the jurisdictions in which our insurance and reinsurance subsidiaries operate, including Bermuda, the United Kingdom, the United States, Australia and Europe, which subject these subsidiaries to significant regulatory restrictions. These laws and regulations require, among other things, certain of our insurance and reinsurance subsidiaries to maintain minimum capital resources requirements and limit the amount of dividends and other payments that these subsidiaries can pay to us, which in turn may limit our ability to pay dividends and make other payments. For more information on these laws and regulations, see “Business — Regulation” beginning on page 24.

As of December 31, 2013 and 2012, all of our insurance and reinsurance subsidiaries’ capital resources levels were in excess of the minimum levels required, with the exception of one of our U.S. insurance companies that was acquired whilst under supervision and is not in compliance with its minimum risk-based capital level. We do not believe this company’s non-compliance will have an impact on our ability to meet our cash obligations. In addition, our subsidiaries’ ability to pay dividends and make other forms of distributions may be further limited by repayment obligations in certain of our outstanding loan facility agreements.

We believe that restrictions on liquidity resulting from restrictions on the payments of dividends by our subsidiary companies will not have a material impact on our ability to meet our cash obligations. Retained earnings of our insurance and reinsurance subsidiaries are not currently restricted, as our minimum capital solvency margins are covered by share capital and additional paid-in-capital.

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Historically, our sources of funds primarily consisted of cash and investment portfolios acquired on the completion of the acquisition of an insurance or reinsurance company in run-off. These acquired cash and investment balances are classified as cash provided by investing activities. With our recent acquisitions of SeaBright, Pavonia, Arden and Atrium, we now collect premiums. For 2014, we expect collected premiums to increase as a result of owning Pavonia, Arden and Atrium for a full year, as well as results related to our acquisition of Torus. We expect the premiums collected from these companies to more than offset the decrease in premiums related to SeaBright, which is now in run-off. We expect to incur and pay losses associated with those premiums.

We expect to use funds acquired from cash and investment portfolios, collected premiums, collections from reinsurance debtors, fees and commission income, investment income and proceeds from sales and redemptions of investments, to meet expected claims payments and operational expenses with the remainder used for acquisitions and additional investments. We expect a net use of cash from operations as total net claim payments, losses incurred on earned premiums and operating expenses will generally be in excess of investment income earned and collected premiums. We expect our operating cash flows, together with our existing capital base and cash and investments acquired on the acquisition of our insurance and reinsurance subsidiaries, to be sufficient to meet cash requirements and to operate our business. We currently do not intend to pay dividends on our ordinary shares.

At December 31, 2013, we had total cash and cash equivalents, restricted cash and cash equivalents and investments of $6.56 billion, compared to $4.31 billion at December 31, 2012. Our cash and cash equivalent portfolio is comprised mainly of cash, high-grade fixed deposits, commercial paper with maturities of less than three months and money market funds.

Reinsurance Balances Recoverable

Our acquired insurance and reinsurance subsidiaries, prior to acquisition, used retrocessional agreements to reduce their exposure to the risk of insurance and reinsurance assumed. Our insurance and reinsurance subsidiaries remain liable to the extent that retrocessionaires do not meet their obligations under these agreements, and therefore, we evaluate and monitor concentration of credit risk among our reinsurers. Provisions are made for amounts considered potentially uncollectible.

On an annual basis, Atrium purchases a tailored outwards reinsurance program designed to manage Syndicate 609’s risk profile. The majority of Atrium’s total third party reinsurance cover is with Lloyd’s Syndicates or other reinsurers rated A- or better.

As of December 31, 2013 and 2012, we had reinsurance balances recoverable of $1.36 billion and $1.12 billion, respectively. The increase of $240.9 million in reinsurance balances recoverable was primarily a result of our 2013 acquisitions, partially offset by commutations and cash collections made during the year ended December 31, 2013.

At December 31, 2013 and 2012, the provision for uncollectible reinsurance recoverable relating to reinsurance balances recoverable was $338.6 million and $343.9 million, respectively. To estimate the provision for uncollectible reinsurance recoverable, the balances are first allocated to applicable reinsurers which involves management judgment. As part of this process, ceded IBNR reserves are allocated by reinsurer. The ratio of the provision for uncollectible reinsurance recoverable to total reinsurance balances recoverable (excluding provision for uncollectible reinsurance recoverable) as of December 31, 2013 decreased to 19.9% as compared to 23.4% as of December 31, 2012, primarily as a result of reinsurance balances recoverable of companies acquired during the year requiring minimal provisions for uncollectible reinsurance recoverable.

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Cash Flows

The following table summarizes our consolidated cash flows from operating, investing and financing activities in the last three years:

	Years Ended December 31,
Total cash (used in) provided by:	2013			2012			2011
	(in thousands of U.S. dollars)
Operating activities	$	(62,387	)	$	(187,350	)	$	(909,920	)
Investing activities		(365,789	)		228,631			691,923
Financing activities		423,076			(233,773	)		259,769
Effect of exchange rate changes on cash		(5,949	)		(3,092	)		9,548
Net (decrease) increase in cash and cash equivalents		(11,049	)		(195,584	)		51,320
Cash and cash equivalents, beginning of year		654,890			850,474			799,154
Cash and cash equivalents, end of year	$	643,841		$	654,890		$	850,474

See “Item 8. Financial Statements and Supplementary Data — Consolidated Statements of Cash Flows for the years ended December 31, 2013, 2012 and 2011” for further information.

Operating

Net cash used in our operating activities for the year ended December 31, 2013 was $62.4 million compared to $187.4 million for the year ended December 31, 2012. This $125.0 million decrease in cash used in operating activities was due primarily to the following:

(i) a net increase of $115.7 million in the purchases, sales and maturities of trading securities between 2013 and 2012;

(ii) an increase in reinsurance balances recoverable of $236.3 million in 2013 due primarily to increased balances associated with our current year acquisitions;

(iii) a decrease in funds held by reinsured companies of $175.8 million in 2013 compared to an increase of $257.5 million in 2012, due primarily to the RITC transaction completed by S2008 in 2012;

(iv) an increase in losses and loss adjustment expenses of $706.9 million in 2013 compared to $623.2 million in 2012 due to reserves acquired from our current year acquisition activity; and

(v) an increase in unearned premiums of $82.0 million in 2013 due to our current year acquisition activity of companies that wrote or continue to write premiums.

Net cash used in our operating activities for the year ended December 31, 2012 was $187.4 million compared to $909.9 million for the year ended December 31, 2011. This $722.6 million decrease in cash used in operating activities was due primarily to the following:

(i) an increase of $1.0 billion in sales and maturities of trading securities between 2011 and 2012;

(ii) a decrease in reinsurance balances recoverable of $428.0 million in 2012 due to reduced acquisition activity in the year;

(iii) an increase of $460.8 million in purchases of trading securities between 2011 and 2012; and

(iv) an increase in funds held by reinsured companies of $257.5 million in 2012 compared to a decrease of $167.0 million in 2011, due primarily to the RITC transaction completed by S2008 on December 31, 2012.

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Investing

Investing cash flows consist primarily of net cash acquired on acquisitions along with net proceeds on the sale and purchase of available-for-sale securities and other investments. Net cash used in investing activities was $365.8 million during the year ended December 31, 2013 compared to net cash provided by investing activities of $228.6 million during the year ended December 31, 2012. The decrease of $594.4 million in investing cash flows between 2013 and 2012 was due primarily to the following:

(i) an increase of $409.6 million in net cash used for acquisitions between 2013 and 2012, due primarily to the acquisitions of Pavonia, Arden, and Atrium during 2013;

(ii) an increase of $78.6 million in restricted cash and cash equivalents during 2013, compared to a decrease of $73.2 million in 2012;

(iii) a decrease of $157.4 million in the sales and maturity of available-for-sale securities between 2013 and 2012; partially offset by

(iv) a decrease of $107.2 million in the purchase of other investments between 2013 and 2012.

Net cash provided by investing activities was $228.6 million during the year ended December 31, 2012 compared to $691.9 million during the year ended December 31, 2011. This $463.3 million decrease in investing cash flows was due primarily to the following:

(i) a decrease of $73.2 million in restricted cash and cash equivalents during 2012, compared to a decrease of $290.2 million in 2011;

(ii) a decrease of $91.1 million in the sales and maturity of available-for-sale securities between 2012 and 2011;

(iii) an increase of $189.8 million in the purchase of other investments between 2012 and 2011 due to the increased allocation to other investments during 2012; partially offset by

(iv) a decrease of $88.5 million in net cash used for acquisitions between 2012 and 2011.

Financing

Net cash provided by (used in) financing activities was $423.1 million during the year ended December 31, 2013 compared to ($233.8) million during the year ended December 31, 2012. The increase of $656.9 million in cash provided by financing activities was primarily attributable to the following:

(i) an increase of $369.8 million in cash received attributable to bank loans between 2013 and 2012, and a decrease of $95.0 million in the repayment of bank loans between 2013 and 2012;

(ii) an increase in contribution to surplus of subsidiary by redeemable noncontrolling interest of $96.7 million in 2013 compared to $nil in 2012; and

(iii) a distribution of capital and dividends to noncontrolling interests of $3.9 million in 2013 compared to $99.2 million in 2012.

Net cash (used in) provided by financing activities was $(233.8) million during the year ended December 31, 2012 compared to $259.8 million during the year ended December 31, 2011. This $493.5 million increase in cash used in financing activities was primarily attributable to the following:

(i) $287.4 million in net proceeds from the private placement of shares in 2011 to affiliates of Goldman Sachs & Co. compared to $nil in 2012; and

(ii) a decrease of $274.2 million in cash received attributable to bank loans between 2012 and 2011 due largely to decreased acquisition-funding requirements partially offset by a decrease of $142.9 million in the repayment of bank loans.

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Investments

Aggregate invested assets, comprising cash and cash equivalents, restricted cash and cash equivalents, fixed maturities, short-term investments, equities and other investments, were $6.56 billion as of December 31, 2013 compared to $4.31 billion as of December 31, 2012, an increase of 52.2%. The increase in cash and invested assets resulted principally from the completion of the acquisitions of SeaBright, Pavonia, Arden, and Atrium.

We hold trading portfolios of fixed maturities, short-term investments and equities; available-for-sale portfolios of fixed maturities and short-term investments; and a held-to-maturity portfolio of fixed maturities. Our available-for-sale and trading portfolios are recorded at fair value.

Our held-to-maturity portfolio relates to our PPA business within our life and annuities segment. In an effort to match the expected cash flow requirements of the long-term liabilities associated with the business, we invest a portion of our fixed maturity investments in longer duration securities that we intend to hold to maturity. We classify these securities as held-to-maturity in our consolidated balance sheet. This held-to-maturity portfolio is recorded at amortized cost. As a result, we do not record changes in the fair value of this portfolio, which should reduce the impact on shareholders’ equity of fluctuations in fair value of those investments.

The table below shows the aggregate amounts of our investments carried at fair value as of December 31, 2013 and 2012:

	December 31, 2013					December 31, 2012
	Fair Value		% of Total Fair Value			Fair Value		% of Total Fair Value
	(in thousands of U.S. dollars)
U.S. government and agency	$	468,289		10.0	%	$	366,863		10.9	%
Non-U.S. government		562,516		12.1	%		389,578		11.6	%
Corporate		2,201,579		47.2	%		1,715,870		51.2	%
Municipal		41,034		0.9	%		20,446		0.6	%
Residential mortgaged-backed		235,964		5.1	%		120,092		3.6	%
Commercial mortgage-backed		114,637		2.5	%		131,329		3.9	%
Asset-backed		285,066		6.1	%		79,264		2.4	%
Total fixed maturity and short-term investments		3,909,085		83.9	%		2,823,442		84.2	%
Other investments		569,293		12.2	%		414,845		12.4	%
Equities — U.S.		115,285		2.5	%		92,406		2.8	%
Equities — International		66,748		1.4	%		22,182		0.6	%
Total investments	$	4,660,411		100.0	%	$	3,352,875		100.0	%

The table below shows the aggregate fair values of our investments classified as held-to-maturity and carried at amortized cost as of December 31, 2013 and 2012:

	December 31, 2013					December 31, 2012
	Fair Value		% of Total Fair Value			Fair Value		% of Total Fair Value
	(in thousands of U.S. dollars)
U.S. government and agency	$	18,132		2.3	%	$	—		—	%
Non-U.S. government		22,327		2.8	%		—		—	%
Corporate		759,100		94.9	%		—		—	%
Total investments	$	799,559		100.0	%		—		—	%

As at December 31, 2013, we held investments on our balance sheet totaling $5.52 billion, compared to $3.35 billion at December 31, 2012, with net unrealized appreciation included in accumulated comprehensive

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income of $3.1 million compared to $5.7 million at December 31, 2012. As at December 31, 2013, we had approximately $2.9 billion of restricted assets compared to approximately $1.03 billion at December 31, 2012 due to 2013 acquisition activity.

Across all of our segments, we strive to structure our investments in a manner that recognizes our liquidity needs for future liabilities. In that regard, we attempt to correlate the maturity and duration of our investment portfolio to our general liability profile. If our liquidity needs or general liability profile unexpectedly change, we may adjust the structure of our investment portfolio to meet new business needs.

For our non-life run-off segment, our strategy of commuting our liabilities has the potential to accelerate the natural payout of losses. Therefore, we maintain a relatively short-duration investment portfolio in order to provide liquidity for commutation opportunities and avoid having to liquidate longer dated investments. Accordingly, the majority of our investment portfolio consists of highly rated fixed maturities, including U.S. government and agency investments, highly rated sovereign and supranational investments, high-grade corporate investments, and mortgage-backed and asset-backed investments. We allocate a portion of our investment portfolio to other investments, including private equity funds, fixed income funds, fixed income hedge funds, equity funds and a real estate debt fund. At December 31, 2013, these other investments totaled $569.3 million, or 10.3%, of our total balance sheet investments (December 31, 2012: $414.8 million or 12.4%).

For our life and annuities segment, we do not commute our policy benefits for life and annuity contracts liabilities and, as a result, we maintain a longer duration investment portfolio that attempts to match the cash flows and duration of our liability profile. Accordingly, the majority of this portfolio consists of highly rated fixed maturity investments, primarily corporate bonds.

Our fixed maturity investments associated with our PPA business are primarily highly rated corporate bonds with which we attempt to match duration and cash flows to the liability profile for this business. As these fixed maturity investments are classified as held-to-maturity, we invest surplus cash flows from maturities into longer dated fixed maturities. As at December 31, 2013, the duration of our fixed maturity investment portfolio associated with our PPA business was shorter than the liabilities, as a significant amount of the liabilities extend beyond 30 years and it is difficult, due to limited investment options, to match duration and cash flows beyond that period.

Our fixed maturity investments associated with our non-PPA life business are primarily highly rated corporate bonds with which we attempt to match duration and cash flows to the liability profile for this business (the non-PPA life business has a short-duration liability profile). These fixed maturity investments are classified as trading, and therefore we may sell existing securities to buy higher yielding securities and funds in the future. As at December 31, 2013, the duration of our fixed maturity investment portfolio associated with our non-PPA life business was shorter than the liabilities, although we have the discretion to change this in the future.

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Fixed Maturity and Short-term Investments

The maturity distribution for our fixed maturity and short-term investments held as of December 31, 2013 and 2012 was as follows:

	December 31, 2013					December 31, 2012
	Fair Value		% of Total			Fair Value		% of Total
	(in thousands of U.S. dollars)
Due in one year or less	$	871,881		18.5	%	$	1,032,614		36.6	%
Due after one year through five years		2,114,772		44.9	%		1,342,257		47.5	%
Due after five years through ten years		478,033		10.2	%		99,957		3.5	%
Due after ten years		608,291		12.9	%		17,929		0.6	%
		4,072,977		86.5	%		2,492,757		88.2	%
Residential mortgage-backed		235,964		5.0	%		120,092		4.3	%
Commercial mortgage-backed		114,637		2.4	%		131,329		4.7	%
Asset-backed		285,066		6.1	%		79,264		2.8	%
Total	$	4,708,644		100.0	%	$	2,823,442		100.0	%

As at December 31, 2013 and 2012, our fixed maturity investments and short-term investment portfolio had an average credit quality rating of A+ and AA-, respectively. At December 31, 2013 and 2012, our fixed maturity investments rated BBB or lower comprised 9.5% and 11.3% of our total investment portfolio, respectively.

At December 31, 2013, we had $313.5 million of short-term investments (December 31, 2012: $319.1 million). Short-term investments are managed as part of our investment portfolio and have a maturity of one year or less when purchased. Short-term investments are carried at fair value.

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The following tables summarize the composition of the amortized cost and fair value of our fixed maturity investments, short-term investments, equities and other investments carried at fair value at the date indicated by ratings as assigned by major rating agencies.

At December 31, 2013	Amortized Cost		Fair Value		% of Total Investments			AAA Rated			AA Rated			A Rated			BBB Rated			Non- Investment Grade			Not Rated
	(in thousands of U.S. dollars)
Fixed maturity and short-term investments
U.S. government & agency	$	468,198	$	468,289		10.0	%	$	4,391		$	458,477		$	434		$	—		$	—		$	4,987
Non-U.S. government		553,724		562,516		12.1	%		215,224			208,322			115,423			11,095			12,452			—
Corporate		2,197,955		2,201,579		47.2	%		143,552			542,216			1,052,315			388,815			26,507			48,174
Municipal		40,889		41,034		0.9	%		8,500			25,355			7,179			—			—			—
Residential mortgage-backed		236,984		235,964		5.1	%		12,596			204,217			7,507			3,960			809			6,875
Commercial mortgage-backed		115,351		114,637		2.5	%		38,081			31,893			29,631			8,826			6,206			—
Asset-backed		283,940		285,066		6.1	%		207,146			34,808			13,260			4,733			7,174			17,945
Total fixed maturity and short-term investments	$	3,897,041		3,909,085		83.9	%		629,490			1,505,288			1,225,749			417,429			53,148			77,981
									16.1	%		38.5	%		31.3	%		10.7	%		1.4	%		2.0	%
Equities
U.S.				115,285		2.5	%		—			—			—			—			—			115,285
International				66,748		1.4	%		—			—			—			—			—			66,748
Total equities				182,033		3.9	%		—			—			—			—			—			182,033
									0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		100.0	%
Other investments
Private equity funds				161,229		3.5	%		—			—			—			—			—			161,229
Fixed income funds				194,375		4.2	%		—			—			—			—			—			194,375
Fixed income hedge funds				68,157		1.4	%		—			—			—			—			—			68,157
Equity funds				109,355		2.3	%		—			—			—			—			—			109,355
Real estate debt fund				32,113		0.7	%		—			—			—			—			—			32,113
Other				4,064		0.1	%		—			—			—			—			—			4,064
Total other investments				569,293		12.2	%		—			—			—			—			—			569,293
									0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		100.0	%
Total investments			$	4,660,411		100.0	%	$	629,490		$	1,505,288		$	1,225,749		$	417,429		$	53,148		$	829,307
									13.5	%		32.3	%		26.3	%		9.0	%		1.1	%		17.8	%

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At December 31, 2012	Amortized Cost		Fair Value		% of Total Investments			AAA Rated			AA Rated			A Rated			BBB Rated			Non- Investment Grade			Not Rated
	(in thousands of U.S. dollars)
Fixed maturity and short-term investments
U.S. government & agency	$	362,288	$	366,863		10.9	%	$	—		$	366,863		$	—		$	—		$	—		$	—
Non-U.S. government		380,401		389,578		11.6	%		244,366			103,515			39,051			2,646			—			—
Corporate		1,694,652		1,715,870		51.2	%		140,708			434,903			803,663			301,787			27,409			7,400
Municipal		19,743		20,446		0.6	%		—			14,470			5,837			139			—			—
Residential mortgage-backed		119,538		120,092		3.6	%		17,218			81,253			2,858			16,940			1,823			—
Commercial mortgage-backed		130,841		131,329		3.9	%		62,597			9,828			29,884			21,406			7,614			—
Asset-backed		78,644		79,264		2.4	%		64,237			8,177			5,070			174			1,606			—
Total fixed maturity and short-term investments	$	2,786,107		2,823,442		84.2	%		529,126			1,019,009			886,363			343,092			38,452			7,400
									18.7	%		36.1	%		31.4	%		12.2	%		1.4	%		0.2	%
Equities
U.S.				92,406		2.8	%		—			—			—			—			—			92,406
International				22,182		0.6	%		—			—			—			—			—			22,182
Total equities				114,588		3.4	%		—			—			—			—			—			114,588
									0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		100.0	%
Other investments
Private equity funds				127,696		3.8	%		—			—			—			—			—			127,696
Fixed income funds				156,235		4.7	%		—			—			—			—			—			156,235
Fixed income hedge funds				53,933		1.6	%		—			—			—			—			—			53,933
Equity fund				55,881		1.7	%		—			—			—			—			—			55,881
Real estate debt fund				16,179		0.5	%		—			—			—			—			—			16,179
Other				4,921		0.1	%		—			—			—			—			—			4,921
Total other investments				414,845		12.4	%		—			—			—			—			—			414,845
									0.0	%		0.0	%		0.0	%		0.0	%		0.0	%		100.0	%
Total investments			$	3,352,875		100.0	%	$	529,126		$	1,019,009		$	886,363		$	343,092		$	38,452		$	536,833
									15.8	%		30.4	%		26.5	%		10.2	%		1.1	%		16.0	%

The following table summarizes the composition of the amortized cost and fair value of our held-to maturity fixed maturity investments as at December 31, 2013 by ratings as assigned by major rating agencies (as at December 31, 2012, we had no investments classified as held-to-maturity).

At December 31, 2013	Amortized Cost		Fair Value		% of Total Investments			AAA Rated			AA Rated			A Rated			BBB Rated			Non- Investment Grade			Not Rated
	(in thousands of U.S. dollars)
Fixed maturity
U.S. government & agency	$	19,992	$	18,132		2.3	%	$	—		$	18,058		$	—		$	—		$	—		$	74
Non-U.S. government		23,592		22,327		2.8	%		—			22,327			—			—			—			—
Corporate		815,803		759,100		94.9	%		44,552			198,803			463,001			47,157			5,125			462
Total fixed maturity investments	$	859,387	$	799,559		100.0	%	$	44,552		$	239,188		$	463,001		$	47,157		$	5,125		$	536
									5.6	%		29.9	%		57.9	%		5.9	%		0.6	%		0.1	%

The fair value of our fixed maturity investments will fluctuate with changes in the interest rate environment and when changes occur in the overall investment market and in overall economic conditions. We recorded no impairments in 2013 and 2012.

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Our fixed maturity portfolio is managed by our Chief Investment Officer and outside investment advisors with oversight from our Investment Committee.

At December 31, 2013 and 2012, our gross unrealized losses on our available-for-sale investments totaled $0.4 million and $0.7 million, respectively. At December 31, 2013 and 2012, we held 2 and 23, respectively, available-for-sale investments that were in an unrealized loss position for longer than twelve months. As at December 31, 2013 and 2012, no investments were considered other-than-temporarily impaired.

At December 31, 2013, our gross unrealized losses on our held-to-maturity investments totaled $60.0 million. Our held-to-maturity investments relate entirely to our Pavonia PPA business acquired on March 31, 2013.

Other Investments

The table below shows the fair value of our portfolio of other investments held at December 31, 2013 and 2012:

	Total Fair Value 2013		Total Fair Value 2012
	(in thousands of U.S. Dollars)
Private equity funds	$	161,229	$	127,696
Fixed income funds		194,375		156,235
Fixed income hedge funds		68,157		53,933
Equity funds		109,355		55,881
Real estate debt fund		32,113		16,179
Other		4,064		4,921
	$	569,293	$	414,845

As at December 31, 2013 and 2012, we had total unfunded capital commitments related to other investments of $114.2 million and $87.6 million, respectively.

Measuring the Fair Value of Other Investments using Net Asset Valuations

The following table presents the fair value, unfunded commitments and redemption frequency for all of our other investments. These investments are all valued at net asset value as at December 31, 2013.

	Total Fair Value		Gated/ Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
	(in thousands of U.S. Dollars)
Private equity funds	$	161,229	$	—	$	161,229	$	113,585	Not eligible
Fixed income funds		194,375		—		194,375		—	Daily to monthly
Fixed income hedge funds		68,157		3,150		65,007		—	Quarterly after lock-up periods expire
Equity funds		109,355		—		109,355		—	Bi-monthly
Real estate debt fund		32,113		—		32,113		—	Monthly
Other		4,064		—		4,064		655	Not eligible
	$	569,293	$	3,150	$	566,143	$	114,240

Management regularly reviews and discusses fund performance with their fund managers to corroborate the reasonableness of the reported net asset values and to assess whether any events have occurred within the lag period that would materially affect the valuation of the investments.

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Private equity funds

This class comprises several private equity funds that invest primarily in the financial services industry. All of our investments in private equity funds are subject to restrictions on redemptions and sales that are determined by the governing documents and limit our ability to liquidate those investments. These restrictions have been in place since the dates we made the initial investments.

As of December 31, 2013 and December 31, 2012, we had $161.2 million and $127.7 million, respectively, of other investments recorded in private equity funds, which represented 2.5% and 3.0% of total investments, cash and cash equivalents and restricted cash and cash equivalents at December 31, 2013 and December 31, 2012, respectively. Due to a lag in the valuations reported by the managers, we record changes in the investment value with up to a three-month lag.

Fixed income funds

This class comprises a number of positions in diversified fixed income funds that are managed by third party managers. Underlying investments vary from high grade corporate bonds to non-investment grade senior secured loans and bonds, but are generally invested in liquid fixed income markets. These funds have regularly published prices. The funds have liquidity terms that vary from daily to monthly.

Fixed income hedge funds

This class comprises hedge funds that invest in a diversified portfolio of debt securities. The hedge funds are not currently eligible for redemption due to imposed lock-up periods of three years from the time of our initial investment. Once eligible, redemptions will be permitted quarterly with 90 days’ notice. The first investment in the funds will be eligible for redemption in March 2014.

Equity funds

This class comprises equity funds that invest in a diversified portfolio of international publicly-traded equity securities.

Real estate debt fund

This class comprises a real estate debt fund that invests primarily in U.S. commercial real estate loans and securities. A redemption request for this fund can be made 10 days after the date of any monthly valuation; the fund states that it will make commercially reasonable efforts to redeem the investment within the next monthly period.

Other

This class primarily comprises a fund that provides loans to educational institutions throughout the U.S. and its territories. Through these investments, we participate in the performance of the underlying loan pools. This investment matures when the loans are paid down and cannot be redeemed before maturity.

Eurozone Exposure

At December 31, 2013, we did not own any investments in fixed maturity securities (which includes bonds that are classified as cash and cash equivalents) or fixed income funds issued by the sovereign governments of Portugal, Italy, Ireland, Greece or Spain. Our fixed maturity securities and fixed income funds exposures to

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Eurozone Governments (which includes regional and municipal governments including guaranteed agencies) by rating are highlighted in the following table:

	Ratings
	AAA		AA		BBB		BB and below		NR		Total
	(in thousands of U.S. dollars)
Germany	$	33,368	$	21,210	$	—	$	—	$	—	$	54,578
Supranational		7,546		2,469		—		—		—		10,015
Netherlands		7,639		9,164		—		—		—		16,803
Norway		18,025		19,553		—		12,452		—		50,030
France.		7,266		43,506		—		—		—		50,772
Finland		2,519		—		—		—		—		2,519
Sweden		1,000		19,061		5,837		—		—		25,898
Austria		—		1,802		—		—		—		1,802
		77,363		116,765		5,837		12,452		—		212,417
Euro Region Government Funds		—		—		—		—		13,015		13,015
	$	77,363	$	116,765	$	5,837	$	12,452	$	225,432	$	225,432

Our fixed maturities exposure to Eurozone Governments (which include regional and municipal governments including guaranteed agencies) by maturity date are highlighted in the following table. Our fixed income fund holdings have daily liquidity and are not included in the maturity table below.

	By Maturity Date
	3 months or less		3 to 6 months		6 months to 1 year		1 to 2 years		more than 2 years		Total
	(in thousands of U.S. dollars)
Germany	$	—	$	3,738	$	3,555	$	19,310	$	27,975	$	54,578
Supranational		—		—		—		3,239		6,776		10,015
Netherlands		—		—		1,005		4,583		11,215		16,803
Norway		1,567		—		2,016		1,770		44,677		50,030
France		8,590		7,257		2,705		5,475		26,745		50,772
Finland		—		—		500		—		2,019		2,519
Sweden		—		670		5,026		12,080		8,122		25,898
Austria		—		—		—		665		1,137		1,802
	$	10,157	$	11,665	$	14,807	$	47,122	$	128,666	$	212,417

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At December 31, 2013, we owned investments in corporate securities (which includes bonds that are classified as cash and cash equivalents) of issuers where the ultimate parent company was located within the Eurozone. This includes securities that were issued by subsidiaries whose location was outside of the Eurozone. Our exposures by country and listed by rating, sector and maturity date are highlighted in the following tables:

	Ratings
	AAA		AA		A		BBB		BB and below		Total
	(in thousands of U.S. dollars)
Germany	$	7,223	$	1,896	$	14,535	$	—	$	—	$	23,654
Belgium		—		—		32,760		—		—		32,760
Netherlands		8,623		38,807		22,278		36,003		609		106,320
Sweden		4,304		16,468		2,508		—		—		23,280
Norway		5,144		8,378		1,535		—		—		15,057
France		21,228		11,126		23,042		4,330		10,483		70,209
Ireland		598		—		—		—		2,003		2,601
Spain		—		—		—		21,020		—		21,020
Italy		—		—		7,780		2,963		—		10,743
Luxembourg		5,443		445		729		595		—		7,212
Austria		417		—		—		—		—		417
Finland		461		—		121		—		—		582
	$	53,441	$	77,120	$	105,288	$	64,911	$	13,095	$	313,855

	Sector
	Financial		Energy		Industrial		Telecom		Utility		Other		Total
	(in thousands of U.S. dollars)
Germany	$	—	$	—	$	4,076	$	—	$	17,088	$	2,490	$	23,654
Belgium		—		—		—		—		—		32,760		32,760
Netherlands		2,126		—		54,898		—		43,934		5,362		106,320
Sweden		22,820		—		—		460		—		—		23,280
Norway		6,679		8,378		—		—		—		—		15,057
France		—		—		—		—		67,752		2,457		70,209
Ireland		—		—		—		—		2,003		598		2,601
Spain		1,398		—		—		14,428		5,194		—		21,020
Italy		—		—		—		—		10,743		—		10,743
Luxembourg		—		—		—		—		1,769		5,443		7,212
Austria		417		—		—		—		—		—		417
Finland		—		—		—		—		582		—		582
	$	33,440	$	8,378	$	58,974	$	14,888	$	149,065	$	49,110	$	313,855

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	By Maturity Date
	3 months or less		3 to 6 months		6 months to 1 year		1 to 2 years		more than 2 years		Total
	(in thousands of U.S. dollars)
Germany	$	1,237	$	3,003	$	5,032	$	3,695	$	10,687	$	23,654
Belgium		—		—		—		1,569		31,191		32,760
Netherlands.		—		1,329		28,269		16,802		59,920		106,320
Sweden		—		700		1,312		—		21,268		23,280
Norway		—		1,722		—		—		13,335		15,057
France		5,695		10,984		8,223		14,677		30,630		70,209
Ireland		—		—		—		—		2,601		2,601
Spain		9,658		—		3,827		2,079		5,456		21,020
Italy		—		2,423		—		540		7,780		10,743
Luxembourg		—		—		214		—		6,998		7,212
Austria		—		417		—		—		—		417
Finland		121		—		—		—		461		582
	$	16,711	$	20,578	$	46,877	$	39,362	$	190,327	$	313,855

Fixed maturity securities issued by companies located in the United Kingdom and Switzerland are not included in the tables.

None of the fixed maturity securities we owned at December 31, 2013 were considered impaired and we do not expect to incur any significant losses on these securities.

Loans Payable

Our loans payable consist of credit facilities related to our 2011 acquisition of Clarendon, or the Clarendon Facility, our term facility related to the 2013 acquisition of SeaBright, or the SeaBright Facility, and our Revolving Credit Facility, or the EGL Revolving Credit Facility, which can be used for permitted acquisitions and general corporate purposes. Until they were fully repaid on December 3, 2012, we also had loans outstanding related to share repurchase agreements with three of our executives and certain trusts and a corporation affiliated with the executives.

For the years ended December 31, 2013, 2012 and 2011, we incurred interest expense of $12.4 million, $8.4 million and $8.5 million, respectively, on our loan facilities and loans related to the share repurchase agreements. All of our currently outstanding loan facilities are floating rate loans, and the fair values of these loans approximate their book values.

Amounts of loans payable outstanding, and accrued interest, as of December 31, 2013 and 2012 total $452.4 million and $107.4 million, respectively, and comprise:

			As at December 31,
Facility	Date of Facility	Term	2013		2012
			(in thousands of U.S. dollars)
EGL Revolving Credit Facility	July 8, 2013	5 Years	$	258,800	$	—
SeaBright Facility	December 21, 2012	3 Years		111,000		—
Clarendon Facility	July 12, 2011	4 Years		78,995		106,500
				448,795		106,500
Accrued interest on loans payaable				3,651		930
Total loans payable			$	452,446	$	107,430

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Amendment and Restatement of EGL Revolving Credit Facility

On July 8, 2013, we, and certain of our subsidiaries, as borrowers, as well as certain of our subsidiaries, as guarantors, entered into an amendment and restatement of our existing Revolving Credit Facility Agreement with National Australia Bank Limited, or NAB, and Barclays Bank PLC, or Barclays, as mandated lead arrangers, NAB, Barclays and Royal Bank of Canada, as original lenders, and NAB as agent, or the Restated Credit Agreement. The Restated Credit Agreement provides for a five-year EGL Revolving Credit Facility (expiring in July 2018) pursuant to which we are permitted to borrow up to an aggregate of $375.0 million, which is available to fund permitted acquisitions and for general corporate purposes. The previously existing Revolving Credit Facility Agreement had provided for a three-year $250.0 million facility that was set to terminate in June 2014. Our ability to draw on the EGL Revolving Credit Facility is subject to customary conditions.

The EGL Revolving Credit Facility is secured by a first priority lien on the stock of certain of our subsidiaries and certain bank accounts held with Barclays in our name and into which amounts received in respect of any capital release from certain of our subsidiaries are required to be paid. Interest is payable at the end of each interest period chosen by us or, at the latest, each six months. The interest rate is LIBOR plus 2.75%, plus an incremental amount tied to certain regulatory costs, if any, that may be incurred by the lenders. Any unused portion of the EGL Revolving Credit Facility will be subject to a commitment fee of 1.10%. The EGL Revolving Credit Facility imposes various financial and business covenants on us, the guarantors and certain other material subsidiaries, including limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to dispositions of stock and assets, restrictions on dividends and limitations on liens.

During the existence of any event of default (as specified in the Restated Credit Agreement), the agent may cancel the commitments of the lenders, declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of outstanding amounts payable upon demand or proceed against the security. During the existence of any payment default, the interest rate would be increased by 1.0%. The EGL Revolving Credit Facility terminates and all amounts borrowed must be repaid on the fifth anniversary of the date of the Restated Credit Agreement. As of December 31, 2013, all of the financial covenants relating to the EGL Revolving Credit Facility were met.

During 2013, we borrowed $258.8 million under the EGL Revolving Credit Facility to fund certain acquisitions and for general corporate purpose. The interest rate on these borrowings are approximately 2.9%, subject to periodic adjustment in accordance with the terms of the EGL Revolving Credit Facility.

Clarendon Facility

On March 4, 2011, we, through Clarendon Holdings, Inc., entered into a $106.5 million term facility agreement, or the Clarendon Facility with NAB. The Clarendon Facility provides a four-year term loan facility, which was fully drawn upon on July 12, 2011 to fund 50% of the purchase price of Clarendon.

The Clarendon Facility is secured by a security interest in all of the assets of Clarendon Holdings, Inc., as well as a first priority lien on the stock of both Clarendon Holdings, Inc. and Clarendon. Interest is payable at the end of each interest period chosen by Clarendon Holdings, Inc. or, at the latest, each six months. The interest rate is LIBOR plus 2.75%. The Clarendon Facility is subject to various financial and business covenants, including limitations on mergers and consolidations, restrictions as to disposition of stock and limitations on liens on the stock. As of December 31, 2013, all of the financial covenants relating to the Clarendon Facility were met.

During the existence of any payment default, the interest rate is increased by 1.0%. During the existence of any event of default (as specified in the term facility agreement), the lenders may declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of borrowed amounts payable upon demand, or proceed against the security. The Clarendon Facility terminates and all amounts borrowed must be repaid on July 12, 2015.

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On July 31, 2013, we repaid $27.5 million of the outstanding principal on the Clarendon Facility reducing the outstanding principal as of December 31, 2013 to $79.0 million.

SeaBright Facility

On December 21, 2012, we, through AML Acquisition, Corp., or AML Acquisition, entered into a Term Facility Agreement with NAB and Barclays, or the SeaBright Facility. The SeaBright Facility provides a four-year term loan facility, which, AML Acquisition fully drew down on February 5, 2013 in an amount of $111.0 million to partially fund our acquisition of SeaBright. We acquired SeaBright on February 7, 2013 by way of a merger of AML Acquisition with and into SeaBright, or the Merger, with SeaBright surviving the Merger as our indirect, wholly-owned subsidiary.

Following completion of the Merger, SeaBright (as the survivor of the Merger) became the borrower under the SeaBright Facility and the facility became secured by a security interest in all of the assets of SeaBright, a pledge of the stock of SeaBright by its sole stockholder, a pledge of the stock of SeaBright Insurance Company, Paladin Managed Care Services, Inc., and PointSure Insurance Services, Inc. (which are wholly-owned subsidiaries of SeaBright) by SeaBright, and a security interest in all of the assets of Paladin Managed Care Services, Inc. and PointSure Insurance Services, Inc.

From the date of the SeaBright Facility until the draw down on February 5, 2013, the undrawn and uncancelled amount of the SeaBright Facility incurred a fee of 1% per annum. Interest on amounts borrowed under the SeaBright Facility is payable at the end of each interest period chosen by the borrower or, at the latest, each six months. The interest rate is LIBOR plus 2.75% for the first 18 months from February 5, 2013, and increases to LIBOR plus 3.50% thereafter; the interest rate is subject to increase by an incremental amount tied to certain regulatory costs, if any, that may be incurred by the lenders. The SeaBright Facility imposes various financial and business covenants on SeaBright, including limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to dispositions of stock and assets (except for certain permitted dispositions), restrictions on dividends, and limitations on liens. As at December 31, 2013, all of the financial covenants relating to the SeaBright Facility were met.

During the existence of any payment default, the interest rate would be increased by 1.0%. During the existence of any event of default (as specified in the SeaBright Facility), the lenders may cancel their commitments, declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of borrowed amounts payable upon demand, or proceed against the security. The SeaBright Facility terminates and all amounts borrowed must be repaid on December 21, 2016, the fourth anniversary of the date the facility was put in place.

SeaBright Surplus Notes

On August 26, 2013, we fully repaid the outstanding principal and accrued interest of $12.1 million associated with the subordinated floating rate surplus notes issued by SeaBright in a private placement in May 2004. Interest expense for the period from February 7, 2013 (the date of acquisition of SeaBright) to December 31, 2013 was $0.3 million.

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Aggregate Contractual Obligations

The following table shows our aggregate contractual obligations and commitments by time period remaining to due date as at December 31, 2013.

	Payments Due by Period
	Total		Less than 1 year		1 - 3 years		3 - 5 years		More than 5 years
	(in thousands of U.S. dollars)
Operating Activities
Estimated gross reserves for losses and loss adjustment expenses(1)	$	4,438.2	$	908.3	$	1,525.2	$	724.0	$	1,280.7
Policy benefits for life and annuity contracts(2)		2,570.8		84.6		144.4		136.7		2,205.1
Operating lease obligations		14.3		5.5		8.1		0.7		—
Investing Activities
Investment commitments		114.2		52.0		62.2		—		—
Financing Activities
Acquisition funding(3)		69.2		69.2		—		—		—
Loan repayments (including estimated interest payments)		426.3		426.3		—		—		—
Total	$	7,633.0	$	1,545.9	$	1,739.9	$	861.4	$	3,485.8

(1) The reserves for losses and loss adjustment expenses represent management’s estimate of the ultimate cost of settling losses. The estimation of losses is based on various complex and subjective judgments. Actual losses paid may differ, perhaps significantly, from the reserve estimates reflected in our financial statements. Similarly, the timing of payment of our estimated losses is not fixed and there may be significant changes in actual payment activity. The assumptions used in estimating the likely payments due by period are based on our historical claims payment experience and industry payment patterns, but due to the inherent uncertainty in the process of estimating the timing of such payments, there is a risk that the amounts paid in any such period can be significantly different from the amounts disclosed above.

The amounts in the above table represent our estimates of known liabilities as of December 31, 2013 and do not take into account corresponding reinsurance recoverable amounts that would be due to us. Furthermore, reserves for losses and loss adjustment expenses recorded in the audited consolidated financial statements as of December 31, 2013 are computed on a fair value basis, whereas the expected payments by period in the table above are the estimated payments at a future time and do not reflect the fair value adjustment in the amount payable.

(2) Policy benefits for life and annuity contracts recorded in our audited consolidated balance sheet as at December 31, 2013 of $1,273.1 million are computed on a discounted basis, whereas the expected payments by period in the table above are the estimated payments at a future time and do not reflect a discount of the amount payable.

(3) The acquisition funding does not include the amount associated with the expected future issuance by us of 2,612,346 shares (which will consist of a combination of voting ordinary shares and Series B convertible non-voting preference shares) in relation to the acquisition of Torus.

Commitments and Contingencies

Investments

The following table provides a summary of our outstanding unfunded investment commitments for the years ended December 31, 2013 and 2012:

December 31, 2013			December 31, 2012
Original Commitments	Commitments		Original Commitments	Commitments
	Funded	Unfunded		Funded	Unfunded
(in thousands of U.S. dollars)
$291,000	$176,760	$114,240	$251,000	$163,409	$87,591

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Guarantees

As at December 31, 2013 and 2012, we had, in total, parental guarantees supporting the obligations of our subsidiary, Fitzwilliam Insurance Limited, in the amount of $228.5 million and $213.3 million, respectively.

Acquisitions

We have entered into definitive agreements with respect to: (i) the Reciprocal of America loss portfolio transfer, which we expect to close in the second quarter of 2014; and (ii) the Amalgamation of Veranda Holdings Ltd. and Torus, which we expect to close in the first quarter of 2014. The Torus acquisition agreement is described in “Note 3 — Acquisitions” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K. and the Reciprocal of America agreement is described in “Note 4 —Significant New Business” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K

In connection with the acquisition of Torus, we have entered into an Investor Agreement with Trident, and at closing we will enter into a Shareholders’ Agreement with Trident. Our obligations and rights relating to the Investors and Shareholders’ Agreements are described in “Note 3 —Acquisitions” in the notes to our consolidated financial statements included within Item 8 of this Annual Report on Form 10-K.

Pursuant to the Amalgamation Agreement to acquire Torus, we have agreed that at the closing of the Amalgamation, we will issue 2,612,346 shares (which will consist of a combination of voting ordinary shares and Series B convertible non-voting preference shares) to partially fund the purchase price, as described in “Note 3 — Acquisitions.” At closing, we will also enter into the Shareholder Rights Agreement with First Reserve and the Registration Rights Agreement with First Reserve and Corsair; the obligations and rights under these agreements are also described in Note 3.

Legal Proceedings

Refer to “Item 3. Legal Proceedings” for a description of our litigation matters.

Off-Balance Sheet Arrangements

At December 31, 2013, we did not have any off-balance sheet arrangements, as defined by Item 303(a)(4) of Regulation S-K.

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ITEM 7A.    QUANTITATIVE AND QUALITATIVE INFORMATION ABOUT MARKET RISK

Our balance sheets include a substantial amount of assets and, to a lesser extent, liabilities whose fair values are subject to market risks. Market risk represents the potential for an economic loss due to adverse changes in the fair value of a financial instrument. Our primary market risks are interest rate risk, credit risk, equity price risk, and foreign currency exchange rate risk. The following provides an analysis of the potential effects that these market risk exposures could have on our future earnings.

Interest Rate Risk

We have calculated the effect that an immediate parallel shift in the U.S. interest rate yield curve would have on our cash and investments at December 31, 2013 and 2012. The modeling of this effect was performed on cash and fixed income investments classified as trading and available-for-sale. The results of this analysis are summarized in the table below.

Interest Rate Movement Analysis on Market Value

of Cash and Investments Classified as Trading and Available-for-Sale

	Interest Rate Shift in Basis Points
At December 31, 2013	-100			-50			0			+50			+100
	(in millions of U.S. dollars)
Total Market Value	$	4,999		$	4,979		$	4,951		$	4,919		$	4,888
Market Value Change from Base		1.0	%		0.6	%		0	%		(0.7	)%		(1.3	)%
Change in Unrealized Value	$	48		$	28		$	0		$	(32	)	$	(63	)
At December 31, 2012	-100			-50			0			+50			+100
Total Market Value	$	3,794		$	3,791		$	3,778		$	3,760		$	3,741
Market Value Change from Base		0.4	%		0.3	%		0	%		(0.4	)%		(0.9	)%
Change in Unrealized Value	$	16		$	13		$	0		$	(18	)	$	(37	)

Credit Risk

As a holder of fixed maturity investments and mutual funds, we also have exposure to credit risk as a result of investment ratings downgrades or issuer defaults. In an effort to mitigate this risk, our investment portfolio consists primarily of investment grade-rated, liquid, fixed maturity investments of short-to-medium duration and mutual funds. At December 31, 2013, approximately 51.4% of our fixed maturity investments and short-term investment portfolio was rated AA or higher by a major rating agency (December 31, 2012: 46.2%) with 12.8% (December 31, 2012: 11.4%) rated BBB or lower. The portfolio as a whole had an average credit quality rating of A+ (December 31, 2012: AA-). In addition, we manage our portfolio pursuant to guidelines that follow what we believe are prudent standards of diversification. The guidelines limit the allowable holdings of a single issue and issuers and, as a result, we do not believe we have significant concentrations of credit risk.

We also have exposure to credit risk as it relates to our reinsurance balances recoverable. Our acquired reinsurance subsidiaries, prior to acquisition, used retrocessional agreements to reduce their exposure to the risk of insurance and reinsurance assumed. Additionally, on an annual basis, Atrium purchases a tailored outwards reinsurance program designed to manage its risk profile. Our subsidiaries remain liable to the extent that retrocessionaires and reinsurers do not meet their obligations under these agreements and, therefore, we evaluate and monitor concentration of credit risk among our reinsurers.

As at December 31, 2013 and December 31, 2012, reinsurance balances recoverable with a carrying value of $256.2 million and $144.1 million, respectively, were associated with one reinsurer, which represented 10% or more of total reinsurance balances recoverable. Of the $256.2 million and $144.1 million recoverable from reinsurers as at December 31, 2013 and December 31, 2012, $256.2 million and $121.7 million, respectively, were secured by trust funds held for the benefit of our insurance and reinsurance subsidiaries.

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Equity Price Risk

Our portfolio of equity investments, including the equity funds included in other investments (collectively, “equities at risk”), has exposure to equity price risk, which is the risk of potential loss in fair value resulting from adverse changes in stock prices. Our global equity portfolio is correlated with a blend of the S&P 500 and MSCI World indices and changes in this blend of indices would approximate the impact on our portfolio. The fair value of our equities at risk at December 31, 2013 was $291.4 million (December 31 2012: $170.5 million). At December 31, 2013 the impact of a 10% decline in the overall market prices of our equities at risk would be $29.1 million (December 31, 2012: $17.0 million), on a pre-tax basis.

Foreign Currency Risk

Through our subsidiaries located in various foreign countries, we conduct our insurance and reinsurance operations in a variety of non-U.S. currencies. As the functional currency for the majority of our subsidiaries is the U.S. dollar, fluctuations in foreign currency exchange rates related to these subsidiaries will have a direct impact on the valuation of our assets and liabilities denominated in local currencies. All changes in foreign exchange rates, with the exception of non-U.S. dollar denominated investments classified as available-for-sale, are recognized currently in foreign exchange gains (losses) in our consolidated statements of earnings.

We have exposure to foreign currency risk due to our ownership of our Irish, U.K. and Australian subsidiaries whose functional currencies are the Euro, British pound and Australian dollar.

The foreign exchange gain or loss resulting from the translation of our subsidiaries’ financial statements (expressed in Euro, British pound and Australian dollar functional currency) into U.S. dollars is classified in the currency translation adjustment account, which is a component of accumulated other comprehensive income in shareholders’ equity.

Our foreign currency policy is to broadly manage, where possible, our foreign currency risk by seeking to match our liabilities under insurance and reinsurance policies that are payable in foreign currencies with assets that are denominated in such currencies, subject to regulatory constraints, and to selectively use foreign currency exchange contracts. The matching process is carried out quarterly in arrears and therefore any mismatches occurring in the period may give rise to foreign exchange gains and losses, which could adversely affect our operating results. We are, however, required to maintain assets in non-U.S. dollars to meet certain local country branch and regulatory requirements, which restricts our ability to manage these exposures through the matching of our assets and liabilities. In addition, we do utilize foreign currency forward contracts to mitigate foreign currency risk.

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The table below summarizes our net exposure as of December 31, 2013 and 2012 to foreign currencies for our subsidiaries whose functional currency is U.S. dollars:

2013	GBP			Euro		AUD		CDN		Other			Total
	(in millions of U.S. dollars)
Total net foreign currency exposure	$	67.0		$	18.0	$	1.0	$	16.0	$	(10.0	)	$	92.0
Pre-tax impact of a 10% movement of the U.S. dollar(1)	$	6.7		$	1.8	$	0.1	$	1.6	$	(1.0	)	$	9.2
2012	GBP			Euro		AUD		CDN		Other			Total
	(in millions of U.S. dollars)
Net foreign currency exposure	$	48.7		$	34.3	$	3.6	$	17.6	$	7.2		$	111.4
Foreign currency derivative amount		(27.6	)		—		—		—		—			(27.6	)
Total net foreign currency exposure	$	21.1		$	34.3	$	3.6	$	17.6	$	7.2		$	83.8
Pre-tax impact of a 10% movement of the U.S. dollar(1)	$	2.1		$	3.4	$	0.4	$	1.8	$	0.7		$	8.4

(1) Assumes 10% change in U.S. dollar relative to other currencies

The table below summarize our net exposure as of December 31, 2013 and 2012 to foreign currencies for our subsidiaries whose functional currency is Australian dollars:

2013	Euro		GBP		CDN			USD		NZD		Total
	(in millions of Australian dollars)
Total net foreign currency exposure	$	4.0	$	1.0	$	(2.0	)	$	43.0	$	3.0	$	49.0
Pre-tax impact of a 10% movement of the Australian dollar(1)	$	0.4	$	0.1	$	(0.2	)	$	4.3	$	0.3	$	4.9
2012	Euro		GBP		CDN			USD		NZD		Total
	(in millions of Australian dollars)
Total net foreign currency exposure	$	1.9	$	1.7	$	(5.7	)	$	38.5	$	2.5	$	38.9
Pre-tax impact of a 10% movement of the Australian dollar(1)	$	0.2	$	0.2	$	(0.6	)	$	3.9	$	0.2	$	3.9

(1) Assumes 10% change in Australian dollar relative to other currencies

Effects of Inflation

We do not believe that inflation has had or will have a material effect on our consolidated results of operations, however, the actual effects of inflation on our results cannot be accurately known until claims are ultimately resolved. Inflation may affect interest rates, as well as losses and loss adjustment expenses (by causing the cost of claims to rise in the future). Although loss reserves are established to reflect likely loss settlements at the date payment is made, we would be subject to the risk that inflation could cause these costs to increase above established reserves.

118

ITEM 8.    FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

INDEX TO FINANCIAL STATEMENTS AND SCHEDULES

	Page
December 31, 2013, 2012 and 2011
Reports of Independent Registered Public Accounting Firms		120
Consolidated Balance Sheets as of December 31, 2013 and 2012		122
Consolidated Statements of Earnings for the years ended December 31, 2013, 2012 and 2011		123
Consolidated Statements of Comprehensive Income for the years ended December 31 2013, 2012 and 2011		124
Consolidated Statements of Changes in Shareholders’ Equity for the years ended December  31, 2013, 2012 and 2011		125
Consolidated Statements of Cash Flows for the years ended December 31, 2013, 2012 and 2011		126
Notes to the Consolidated Financial Statements		127
Schedule I — Summary of Investments Other than in Related Parties		199
Schedule II — Condensed Financial Information of Registrant		200
Schedule III — Supplementary Insurance Information		203
Schedule IV — Reinsurance		204
Schedule VI — Supplementary Information Concerning Property/Casualty Insurance Operations		205
Report of Independent Registered Public Accounting Firm		208

119

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of

Enstar Group Limited:

We have audited the accompanying consolidated balance sheets of Enstar Group Limited and subsidiaries as of December 31, 2013 and 2012, and the related consolidated statements of earnings, comprehensive income, changes in shareholders’ equity, and cash flows for each of the years in the two-year period ended December 31, 2013. In connection with our audits of the consolidated financial statements, we also have audited financial statement Schedules I, II, III, IV and VI as of December 31, 2013 and 2012 and for each of the years in the two-year period ended December 31, 2013. These consolidated financial statements and financial statement Schedules are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements and financial statement Schedules based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the financial position of Enstar Group Limited and subsidiaries as of December 31, 2013 and 2012, and the results of their operations and their cash flows for each of the years in the two-year period ended December 31, 2013, in conformity with accounting principles generally accepted in the United States of America. Also in our opinion, the related financial statement Schedules, when considered in relation to the basic consolidated financial statements taken as a whole, presents fairly, in all material respects, the information set forth therein.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), Enstar Group Limited’s internal control over financial reporting as of December 31, 2013, based on the criteria established in Internal Control – Integrated Framework (1992) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO), and our report dated March 3, 2014 expressed an unqualified opinion on the effectiveness of the Company’s internal control over financial reporting.

/s/ KPMG Audit Limited

Hamilton, Bermuda

March 3, 2014

120

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of

Enstar Group Limited

We have audited the accompanying consolidated statements of earnings, comprehensive income, changes in shareholders’ equity and cash flows of Enstar Group Limited and subsidiaries (the “Company”) for the year ended December 31, 2011. Our audit also included the financial statement Schedule II for the year ended December 31, 2011 listed in the Index at Item 15. These consolidated financial statements and the financial statement Schedule II are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audit provides a reasonable basis for our opinion.

In our opinion, such consolidated financial statements present fairly, in all material respects, the results of operations and cash flows of Enstar Group Limited and subsidiaries for the year ended December 31, 2011 in conformity with accounting principles generally accepted in the United States of America. Also, in our opinion, the related financial statement Schedule II when considered in relation to the basic consolidated financial statements taken as a whole, presents fairly, in all material respects, the information set forth therein for the year ended December 31, 2011.

/s/ Deloitte & Touche Ltd.

Hamilton, Bermuda

February 24, 2012

121

ENSTAR GROUP LIMITED

CONSOLIDATED BALANCE SHEETS

As of December 31, 2013 and 2012

	2013			2012
	(expressed in thousands of U.S.
	dollars, except share data)
ASSETS
Short-term investments, trading, at fair value	$	281,002		$	319,111
Short-term investments, available-for-sale, at fair value (amortized cost: 2013 — $32,477; 2012 — $nil)		32,504			—
Fixed maturities, trading, at fair value		3,381,719			2,253,210
Fixed maturities, held-to-maturity, at amortized cost		859,387			—
Fixed maturities, available-for-sale, at fair value (amortized cost: 2013 — $210,825; 2012 — $245,396)		213,860			251,121
Equities, trading, at fair value		182,033			114,588
Other investments, at fair value		569,293			414,845
Total investments		5,519,798			3,352,875
Cash and cash equivalents		643,841			654,890
Restricted cash and cash equivalents		397,657			299,965
Accrued interest receivable		38,864			22,932
Accounts receivable		75,351			15,399
Premiums receivable		111,748			—
Income taxes recoverable		5,481			8,632
Deferred tax assets		34,295			8,109
Reinsurance balances recoverable		1,363,819			1,122,919
Funds held by reinsured companies		237,789			365,252
Goodwill and intangible assets		150,071			21,222
Other assets		41,441			6,066
TOTAL ASSETS	$	8,620,155		$	5,878,261
LIABILITIES
Losses and loss adjustment expenses	$	4,219,905		$	3,650,127
Policy benefits for life and annuity contracts		1,273,100			11,027
Unearned premium		70,698			—
Insurance and reinsurance balances payable		281,028			143,123
Accounts payable and accrued liabilities		97,103			73,258
Income taxes payable		23,721			19,073
Deferred tax liabilities		53,328			14,454
Loans payable		452,446			107,430
Other liabilities		70,444			84,536
TOTAL LIABILITIES		6,541,773			4,103,028
COMMITMENTS AND CONTINGENCIES
REDEEMABLE NONCONTROLLING INTEREST		100,859			—
SHAREHOLDERS’ EQUITY
Share capital
Authorized, issued and fully paid, par value $1 each (authorized 2013: 156,000,000; 2012: 156,000,000)
Ordinary shares (issued and outstanding 2013: 13,802,706; 2012: 13,752,172)		13,803			13,752
Non-voting convertible ordinary shares:
Series A (issued 2013: 2,972,892; 2012: 2,972,892)		2,973			2,973
Series C (issued and outstanding 2013: 2,725,637; 2012: 2,725,637)		2,726			2,726
Treasury shares at cost (Series A non-voting convertible ordinary shares 2013: 2,972,892; 2012: 2,972,892)		(421,559	)		(421,559	)
Additional paid-in capital		962,145			958,571
Accumulated other comprehensive income		13,978			24,439
Retained earnings		1,181,457			972,853
Total Enstar Group Limited Shareholders’ Equity		1,755,523			1,553,755
Noncontrolling interest		222,000			221,478
TOTAL SHAREHOLDERS’ EQUITY		1,977,523			1,775,233
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND SHAREHOLDERS’ EQUITY	$	8,620,155		$	5,878,261

See accompanying notes to the consolidated financial statements

122

ENSTAR GROUP LIMITED

CONSOLIDATED STATEMENTS OF EARNINGS

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012			2011
	(expressed in thousands of U.S.
	dollars, except share and per share data)
INCOME
Net premiums earned — non-life run-off	$	112,611		$	—		$	—
Net premiums earned — life and annuities		94,984			3,511			3,543
Net premiums earned — active underwriting		32,212			—			—
Fees and commission income		12,817			8,570			17,858
Net investment income		93,295			77,760			68,676
Net realized and unrealized gains		70,651			73,612			9,214
Gain on bargain purchase		—			—			13,105
		416,570			163,453			112,396
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned — non-life run-off		74,139			—			—
Losses incurred — active underwriting		19,352			—			—
Reduction in estimates of net ultimate losses		(215,480	)		(218,116	)		(248,230	)
Increase (reduction) in provisions for bad debt		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,629	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			22,572			42,693
		(163,672	)		(237,953	)		(293,461	)
Life and annuity policy benefits		78,354			(300	)		1,557
Acquisition costs		23,199			—			—
Salaries and benefits		124,616			100,473			89,846
General and administrative expenses		86,612			56,592			71,810
Interest expense		12,389			8,426			8,529
Net foreign exchange (gains) losses		(4,369	)		406			373
		157,129			(72,356	)		(121,346	)
EARNINGS BEFORE INCOME TAXES		259,441			235,809			233,742
INCOME TAXES		(35,619	)		(44,290	)		(25,284	)
NET EARNINGS		223,822			191,519			208,458
Less: Net earnings attributable to noncontrolling interest		(15,218	)		(23,502	)		(54,765	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	208,604		$	168,017		$	153,693
EARNINGS PER SHARE — BASIC
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	12.62		$	10.22		$	11.03
EARNINGS PER SHARE — DILUTED
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	12.49		$	10.10		$	10.81
Weighted average ordinary shares outstanding — basic		16,523,369			16,441,461			13,930,221
Weighted average ordinary shares outstanding — diluted		16,703,442			16,638,021			14,212,440

See accompanying notes to the consolidated financial statements

123

ENSTAR GROUP LIMITED

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012			2011
	(expressed in thousands of U.S. dollars)
NET EARNINGS	$	223,822		$	191,519		$	208,458
Other comprehensive income, net of tax:
Unrealized holding gains on investments arising during the year		68,115			69,721			5,393
Reclassification adjustment for net realized and unrealized gains included in net earnings		(70,651	)		(73,612	)		(9,214	)
Unrealized losses arising during the year, net of reclassification adjustment		(2,536	)		(3,891	)		(3,821	)
Decrease (increase) in defined benefit pension liability		4,930			(2,461	)		(3,718	)
Currency translation adjustment		(19,473	)		3,556			(903	)
Total other comprehensive loss		(17,079	)		(2,796	)		(8,442	)
Comprehensive income		206,743			188,723			200,016
Less comprehensive income attributable to noncontrolling interest		(8,600	)		(23,365	)		(54,244	)
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSTAR
GROUP LIMITED	$	198,143		$	165,358		$	145,772

See accompanying notes to the consolidated financial statements

124

ENSTAR GROUP LIMITED

CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012			2011
	(expressed in thousands of U.S. dollars)
Share Capital — Ordinary Shares
Balance, beginning of year	$	13,752		$	13,665		$	12,940
Issue of shares		6			43			674
Share awards granted/vested		45			44			51
Balance, end of year	$	13,803		$	13,752		$	13,665
Share Capital — Series A Non-Voting Convertible Ordinary Shares
Balance, beginning and end of year	$	2,973		$	2,973		$	2,973
Share Capital — Series C Non-Voting Convertible Ordinary Shares
Balance, beginning of year	$	2,726		$	2,726		$	—
Preferred shares converted		—			—			750
Issue of shares		—			—			1,976
Balance, end of year	$	2,726		$	2,726		$	2,726
Share Capital — Preference Shares
Balance, beginning of year	$	—		$	—		$	—
Issue of shares		—			—			750
Shares converted		—			—			(750	)
Balance, end of year	$	—		$	—		$	—
Treasury Shares
Balance, beginning and end of year	$	(421,559	)	$	(421,559	)	$	(421,559	)
Additional Paid-in Capital
Balance, beginning of year	$	958,571		$	956,329		$	667,907
Equity attributable to Enstar Group Limited on acquisition of Issue of shares and warrants, net		650			(872	)		284,983
Share awards granted/vested		—			343			776
Amortization of equity incentive plan		2,924			2,771			2,663
Balance, end of year	$	962,145		$	958,571		$	956,329
Accumulated Other Comprehensive Income Attributable to Enstar Group Limited
Balance, beginning of year	$	24,439		$	27,096		$	35,017
Foreign currency translation adjustments		(13,557	)		2,205			(972	)
Decrease (increase) in defined benefit pension liability		4,930			(2,461	)		(3,718	)
Net movement in unrealized holding losses on investments		(1,834	)		(2,401	)		(3,231	)
Balance, end of year	$	13,978		$	24,439		$	27,096
Retained Earnings
Balance, beginning of year	$	972,853		$	804,836		$	651,143
Net earnings attributable to Enstar Group Limited		208,604			168,017			153,693
Balance, end of year	$	1,181,457		$	972,853		$	804,836
Noncontrolling Interest
Balance, beginning of year	$	221,478		$	297,345		$	267,400
Return of capital		—			(30,245	)		(16,200	)
Dividends paid		(3,908	)		(68,987	)		(8,100	)
Net earnings attributable to noncontrolling interest*		11,048			23,502			54,765
Foreign currency translation adjustments		(5,916	)		1,352			69
Net movement in unrealized holding losses on investments		(702	)		(1,489	)		(589	)
Balance, end of year	$	222,000		$	221,478		$	297,345

* Excludes earnings attributable to redeemable noncontrolling interest.

See accompanying notes to the consolidated financial statements

125

ENSTAR GROUP LIMITED

CONSOLIDATED STATEMENTS OF CASH FLOWS

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012			2011
	(expressed in thousands of U.S. dollars)
OPERATING ACTIVITIES:
Net earnings	$	223,822		$	191,519		$	208,458
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Gain on bargain purchase		—			—			(13,105	)
Net realized and unrealized investment gains		(188	)		(42,233	)		(8,020	)
Net realized and unrealized gains from other investments		(70,463	)		(31,379	)		(1,194	)
Other items		11,276			(765	)		1,518
Depreciation and amortization		1,055			1,469			1,593
Net amortization of premiums and discounts		51,505			28,758			25,085
Net movement of trading securities held on behalf of policyholders		3,485			24,225			(6,816	)
Sales and maturities of trading securities		2,679,826			2,468,584			1,463,637
Purchases of trading securities		(2,713,581	)		(2,618,029	)		(2,158,509	)
Changes in assets and liabilities:
Reinsurance balances recoverable		430,542			666,793			238,818
Funds held by reinsured companies		175,750			(257,504	)		166,951
Other assets		155,177			63,952			(28,506	)
Losses and loss adjustment expenses		(706,880	)		(623,174	)		(675,108	)
Policy benefits for life and annuity contracts		6,443			—			—
Insurance and reinsurance balances payable		(165,896	)		(65,475	)		(24,833	)
Unearned premiums		(81,967	)		—			—
Accounts payable and accrued liabilities		(22,295	)		(3,209	)		(18,301	)
Other liabilities		(31,998	)		9,118			(81,588	)
Net cash flows used in operating activities		(62,387	)		(187,350	)		(909,920	)
INVESTING ACTIVITIES:
Acquisitions, net of cash acquired		(409,560	)		—			(88,505	)
Sales and maturities of available-for-sale securities		196,507			353,913			445,052
Purchase of held-to-maturity securities		(112	)		—			—
Purchase of available-for-sale securities		(15,739	)		—			—
Maturities of held-to-maturity securities		18,449			—
Movement in restricted cash and cash equivalents		(78,638	)		73,226			290,207
Purchase of other investments		(107,396	)		(214,558	)		(24,787	)
Redemption of other investments		28,568			16,839			66,925
Other investing activities		2,132			(789	)		3,031
Net cash flows (used in) provided by investing activities		(365,789	)		228,631			691,923
FINANCING ACTIVITIES:
Net proceeds from issuance of shares		—			—			287,377
Distribution of capital to noncontrolling interest		—			(30,245	)		(16,200	)
Contribution by redeemable noncontrolling interest		96,689			—			—
Dividends paid to noncontrolling interest		(3,908	)		(68,987	)		(8,100	)
Receipt of loans		369,800			—			274,150
Repayment of loans		(39,505	)		(134,541	)		(277,458	)
Net cash flows provided by (used in) financing activities		423,076			(233,773	)		259,769
EFFECT OF EXCHANGE RATE CHANGES ON FOREIGN CURRENCY CASH AND CASH EQUIVALENTS		(5,949	)		(3,092	)		9,548
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS		(11,049	)		(195,584	)		51,320
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR		654,890			850,474			799,154
CASH AND CASH EQUIVALENTS, END OF YEAR	$	643,841		$	654,890		$	850,474
Supplemental Cash Flow Information
Net income taxes paid	$	32,115		$	27,938		$	64,679
Interest paid	$	9,114		$	9,155		$	6,948

See accompanying notes to the consolidated financial statements

126

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS

December 31, 2013, 2012 and 2011

(Tabular information expressed in thousands of U.S. dollars except share and per share data)

1. DESCRIPTION OF BUSINESS

Enstar Group Limited (“Enstar” or the “Company”) was formed in August 2001 under the laws of Bermuda. The Company’s core focus is to acquire and manage insurance and reinsurance companies in run-off and portfolios of insurance and reinsurance business in run-off, and to provide management, consulting and other services to the insurance and reinsurance industry.

With the Company’s 2013 acquisitions of the closed U.S. life and annuity operations of HSBC Holdings plc (“Pavonia”), Arden Reinsurance Company Ltd. (“Arden”) and Atrium Underwriters Ltd. (“Atrium”), it now measures the results of its operations in three segments: (i) non-life run-off; (ii) life and annuities; and (iii) active underwriting. The Company’s non-life run-off segment comprises the operations and financial results of those subsidiaries acquired for the purpose of running off their property and casualty business, this segment also includes the discontinued business of Arden. The Company’s life and annuities is comprised primarily of Pavonia, which operates a closed block of life and annuity business. The Company’s active underwriting segment is comprised of Atrium and Arden’s reinsurance of Atrium. Atrium is an underwriting business at Lloyd’s of London, which manages Syndicate 609 and provides one quarter of the syndicate’s capital. The syndicate provides insurance and reinsurance on a worldwide basis.

2. SIGNIFICANT ACCOUNTING POLICIES

Basis of Preparation

The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

Certain reclassifications have been made to the prior year reported amounts to conform to the current year presentation. These reclassifications had no impact on net earnings previously reported.

Basis of Consolidation

The consolidated financial statements include the assets, liabilities and results of operations of the Company as of December 31, 2013 and 2012 and for the years ended December 31, 2013, 2012 and 2011. Results of operations for subsidiaries acquired are included from the dates of their acquisition by the Company. Intercompany transactions are eliminated on consolidation.

Use of Estimates

The preparation of these consolidated financial statements requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. While management believes that the amounts included in the consolidated financial statements reflect its best estimates and assumptions, actual results could differ from those estimates. The Company’s principal estimates include, but are not limited to:

• reserves for losses and loss adjustment expenses;

• policy benefits for life and annuity contracts;

• reinsurance balances recoverable, including the provisions for uncollectible amounts;

• other-than-temporary impairments in the carrying value of available-for-sale investment securities;

127

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

• valuation of certain other investments that are measured using significant unobservable inputs;

• valuation of goodwill and intangible assets; and

• fair value estimates associated with accounting for acquisitions.

Significant Accounting Policies

The Company’s significant accounting policies are described below:

(a) Cash and cash equivalents

The Company considers all highly liquid debt instruments purchased with an original maturity of 3 months or less to be cash and cash equivalents.

(b) Investments

Short-term investments and fixed maturity investments

Short-term investments comprise investments with a maturity greater than three months but less than one year from the date of purchase. Fixed maturities comprise investments with a maturity of one year and greater from the date of purchase.

Short-term investments and fixed maturities classified as trading are carried at fair value, with realized and unrealized holding gains and losses included in net earnings and reported as net realized and unrealized gains and losses.

Short-term investments and fixed maturity investments classified as held-to-maturity securities, which are securities that the Company has the positive intent and ability to hold to maturity, are carried at amortized cost. The cost of short-term investments and fixed maturities are adjusted for amortization of premiums and accretion of discounts.

Short-term and fixed maturity investments classified as available-for-sale are carried at fair value, with unrealized gains and losses excluded from net earnings and reported as a separate component of accumulated other comprehensive income. Realized gains and losses on sales of investments classified as available-for-sale are recognized in the consolidated statements of earnings.

The costs of short-term and fixed maturity investments are adjusted for amortization of premium or discount, recognized using the effective yield method and included in net investment income. For mortgage-backed and asset-backed investments, and any other holdings for which there is a prepayment risk, prepayment assumptions are evaluated and revised on a regular basis.

Investment purchases and sales are recorded on a trade-date basis. Realized gains and losses on the sale of investments are based upon specific identification of the cost of investments.

Fixed maturity investments classified as available-for-sale and held-to-maturity are reviewed quarterly to determine if they have sustained an impairment of value that is, based on management’s judgement, considered to be other than temporary. The process includes reviewing each fixed maturity investment that is below cost and: (1) determining if the Company has the intent to sell the fixed maturity investment; (2) determining if it is more likely than not that the Company will be required to sell the fixed maturity investment before its anticipated

128

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

recovery; and (3) assessing whether a credit loss exists, that is, whether the Company expects that the present value of the cash flows expected to be collected from the fixed maturity investment is less than the amortized cost basis of the investment. In evaluating credit losses, the Company considers a variety of factors in the assessment of a fixed maturity investment including: (1) the time period during which there has been a significant decline below cost; (2) the extent of the decline below cost and par; (3) the potential for the investment to recover in value; (4) an analysis of the financial condition of the issuer; (5) the rating of the issuer; and (6) failure of the issuer of the investment to make scheduled interest or principal payments. If management concludes an investment is other-than-temporarily impaired (“OTTI”), then the difference between the fair value and the amortized cost of the investment is presented as an OTTI charge in the consolidated statements of earnings, with an offset for any noncredit-related loss component of the OTTI charge to be recognized in other comprehensive income. Accordingly, only the credit loss component of the OTTI amount would have an impact on the Company’s earnings.

Equities

Equities are classified as trading and are carried at fair value with realized and unrealized holding gains and losses included in net earnings and reported as net realized and unrealized gains and losses.

Other investments

Other investments include investments in limited partnerships and limited liability companies (collectively “private equities”) and fixed income, hedge, equity and real estate debt funds (collectively “funds”) that carry their investments at fair value. These funds are stated at fair value, which ordinarily will be the most recently reported net asset value as advised by the fund manager or administrator. Many of the Company’s fund investments publish net asset values on a daily basis and provide daily liquidity; others report on a monthly basis. Private equities typically report quarterly. The Company believes the reported net asset value represents the fair value market participants would apply to an interest in the various private equities or funds. The change in fair value is included in net realized and unrealized gains on investments and recognized in net earnings.

(c) Derivative instruments

The Company recognizes all derivatives as either assets or liabilities in the consolidated balance sheets and carries them at the fair value of the instrument. The Company uses derivative instruments for purposes of its overall foreign currency risk management strategy. Changes in fair value and realized gains or losses on derivative instruments are recorded in net foreign exchange gains and losses.

(d) Losses and loss adjustment expenses

Non-life run-off

The liability for losses and loss adjustment expenses includes an amount determined from reported claims and an amount, based on historical loss experience and industry statistics, for losses incurred but not reported determined using a variety of actuarial methods. These estimates are continually reviewed and are necessarily subject to the impact of future changes in factors such as claim severity and frequency, changes in economic conditions including the impact of inflation, legal developments and changes in social attitudes. While management believes that the amount is adequate, the ultimate liability may be significantly in excess of, or less than, the amounts provided. Adjustments will be reflected as part of net increase or reduction in losses and loss adjustment expense liabilities in the periods in which they become known. Premium and commission adjustments may be triggered by incurred losses and any amounts are recorded in the same period that the related incurred loss is recognized.

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Commutations provide an opportunity for the Company to exit exposures to entire policies with insureds and reinsureds for an agreed upon payment, or payments, often at a discount to the previously estimated ultimate liability. As a result of exiting all exposures to such policies, all advised case reserves and incurred but not reported (“IBNR”) reserves relating to the insured or reinsured are eliminated. A commutation is recognized upon the execution of a commutation release agreement. Following completion of a commutation, all the related balances, including insurance and reinsurance balances payable and/or receivable, funds held by ceding companies, and losses and loss adjustment expenses (including fair value adjustments and estimated IBNR), are written off with corresponding gain or loss recorded in the net reduction of ultimate losses. A commutation may result in a net gain irrespective of whether the settlement exceeds the advised case reserves. Advised case reserves are those reserve estimates for a specific loss or losses reported to the Company by either the broker or insured or reinsured. IBNR reserves are established by the Company at a class of business or exposure level for claims that have not yet been reported to the Company but can reasonably be expected to have occurred, as well as for the future development of reported claims. A commutation settlement is a negotiated settlement of both the advised case reserves and an estimate of the IBNR reserves that relate to the policies being commuted. For latent exposures with a long reporting tail, the estimated level of IBNR reserves may be significantly higher than the advised case reserves. In such an instance, the commutation settlement of a block of such policies may be greater than the advised case reserves but less than the aggregate of the advised case reserves plus the estimated related IBNR reserves, resulting in a total saving to the remaining liability.

To the extent possible, all prior historical loss development that relates to commuted exposures is eliminated to produce revised historical loss development for the remaining non-commuted exposures. The Company’s estimates of IBNR reserves are not determined at the policyholder level but at the aggregate class of business or exposure level. Therefore, the Company does not typically identify a specific amount of IBNR reserves settled with each commutation. Rather, on an annual basis in the fourth quarter, the Company’s actuaries apply their actuarial methodologies to the remaining aggregate exposures and revised historical loss development information to reassess their estimates of gross and net ultimate liabilities and required gross and net IBNR reserves. Should a commutation that the Company considers significant occur in one of the first three quarters, then the Company, in conjunction with its independent actuaries, would estimate the amount of IBNR that would be associated with the policies being commuted. If the financial impact (including release of IBNR) of the commutation is considered significant, the Company would adjust its estimate of ultimate loss and loss adjustment expense liabilities in the quarter that the commutation was concluded. The agreed commutation settlement is recorded in net losses paid.

To the extent that commuted policies are protected by reinsurance, then the Company will, on completion of a commutation with an insured or reinsured, negotiate with the reinsurers to contribute their share of the commutation settlement. Any amounts received from such reinsurers will be recorded in net losses paid and the impact of any savings or loss on reinsurance recoverable on unpaid losses will be included in the actuarial reassessment of net ultimate liabilities and net IBNR reserves.

Commutations of acquired companies’ exposures have the effect of accelerating the payout of claims compared to the probability-weighted ranges of actuarially projected cash flows that the Company applies when estimating the fair values of assets and liabilities at the time of acquisition. Any material acceleration of payout together with the impact of any material loss reserve savings in any period will also accelerate the amortization of fair value adjustments in that period.

The Company’s insurance and reinsurance subsidiaries also establish provisions for loss adjustment expenses relating to run-off costs for the estimated duration of the run-off, which are included in losses and loss adjustment expenses. These provisions are assessed at each reporting date, and provisions relating to future periods are adjusted to reflect any changes in estimates of the periodic run-off costs or the duration of the run-off,

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including the impact of any acceleration of the run-off period that may be caused by commutations. Provisions relating to the current period together with any adjustment to future run-off provisions are included in net reduction in ultimate loss and loss adjustment expenses in the consolidated statements of earnings.

Active underwriting

The reserve for losses and loss expenses includes reserves for unpaid reported losses and for IBNR reserves. The reserves for unpaid reported losses and loss expenses are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by the Company. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

(e) Reinsurance balances recoverable

Amounts billed to, and due from, reinsurers result from paid movements in the underlying assumed business and are calculated in accordance with the terms of the individual reinsurance contracts.

Similarly, reinsurance balances recoverable related to the Company’s assumed case reserves are calculated by applying the terms of any applicable reinsurance coverage to movements in the underlying assumed case reserves. The Company’s estimate of reinsurance balances recoverable related to its assumed IBNR reserves is recognized on a basis consistent with the underlying assumed IBNR reserves.

The Company’s reinsurance balances recoverable are presented net of a provision for uncollectible amounts, reflecting the amount deemed not collectible due to credit quality, collection problems due to location of the reinsurer, contractual disputes with reinsurers over individual contentious claims, contract language or coverage or for some other reason.

(f) Retroactive reinsurance and novations

Consideration received for business assumed by way of novation and premiums received on retroactive reinsurance is recorded in the balance sheet. The difference between the consideration received and liabilities assumed is recorded as an intangible asset or liability. Intangible assets or liabilities are subsequently amortized using the interest method over the expected claims settlement periods. As changes in estimates of timing or amount of losses and loss adjustment expenses are recognized, the amortization is adjusted retrospectively and included in losses and loss adjustment expenses in the period of the charge.

(g) Premium revenue recognition

Premiums written are earned on a pro-rata basis over the period the coverage is provided. Reinsurance premiums are recorded at the inception of the policy, are based upon contractual terms and for certain business is estimated based on underlying contracts or from information provided by clients and/or brokers. Changes in reinsurance premium estimates are expected and may result in significant adjustments in future periods. These

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estimates change over time as additional information regarding changes in underlying exposures is obtained. Any subsequent differences arising on such estimates are recorded as premiums written in the period they are determined.

Insurance premiums are recorded at the inception of the policy and are earned on a pro-rata basis over the period of coverage.

Unearned premiums represent the portion of premiums written that relate to the unexpired terms of policies in force. Premiums ceded are similarly pro-rated over the period the coverage is provided with the unearned portion being deferred as prepaid reinsurance premiums.

Certain contracts that the Company wrote, prior to going into run-off, are retrospectively rated and additional premium will be due should losses exceed pre-determined, contractual thresholds. These required additional premiums are based upon contractual terms and management judgment is involved with respect to the estimate of the amount of losses that the Company expects to be ceded. Additional premiums are recognized at the time loss thresholds specified in the contract are exceeded and are earned over the coverage period, or are earned immediately if the period of risk coverage has passed. Changes in estimates of losses recorded on contracts with additional premium features will result in changes in additional premiums based on contractual terms.

Life and annuities

The Pavonia companies, prior to going into run-off, wrote various U.S. and Canadian life insurance, including credit life and disability insurance, term life insurance, assumed life reinsurance and annuities. The Pavonia companies will continue to recognize premiums on term life insurance, assumed life reinsurance and credit life and disability insurance.

Premiums from term life insurance, credit life and disability insurance and assumed life reinsurance are generally recognized as revenue when due from policyholders. Term life, assumed life reinsurance and credit life and disability policies include those contracts with fixed and guaranteed premiums and benefits. Benefits and expenses are matched with such revenue to result in the recognition of profit over the life of the contracts.

(h) Premiums Receivable

Premiums receivable represent amounts currently due and amounts not yet due on insurance and reinsurance policies. Premiums for insurance policies are generally due at inception. Premiums for reinsurance policies generally become due over the period of coverage based on the policy terms. The Company monitors the credit risk associated with premiums receivable, taking into consideration that credit risk is reduced by the Company’s contractual right to offset loss obligations or unearned premiums against premiums receivable. Amounts deemed uncollectible are charged to net earnings in the period they are determined. Changes in the estimate of premiums written will result in an adjustment to premiums receivable in the period they are determined. Certain contracts are retrospectively rated and provide for a final adjustment to the premium based on the final settlement of all losses. Premiums receivable on such contracts are adjusted based on the estimate of losses the Company expects to incur, and are not considered due until all losses are settled.

(i) Policy Benefits for Life and Annuity Contracts

The Company’s policy benefits for life and annuity contracts (“policy benefits”) are calculated using standard actuarial techniques and cash flow models in accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 944, Financial Services — Insurance. The

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Company establishes and maintains its policy benefits at a level that the Company estimates will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable. The Company reviews its policy benefits regularly and performs loss recognition testing based upon cash flow projections.

Since the development of the policy benefits is based upon cash flow projection models, the Company makes estimates and assumptions based on experience and industry mortality tables, longevity and morbidity rates, lapse rates, expenses and investment experience, including a provision for adverse deviation. The assumptions used to determine policy benefits are determined at the inception of the contracts, reviewed and adjusted at the point of acquisition, as required, and are locked-in throughout the life of the contract unless a premium deficiency develops. The assumptions are reviewed no less than annually and are unlocked if they would result in a material adverse reserve change. The Company establishes these estimates based upon transaction-specific historical experience, information provided by the ceding company for the assumed business and industry experience. Actual results could differ materially from these estimates. As the experience on the contracts emerges, the assumptions are reviewed by management. The Company determines whether actual and anticipated experience indicates that existing policy benefits, together with the present value of future gross premiums, are sufficient to cover the present value of future benefits, settlement and maintenance costs and to recover unamortized acquisition costs. If such a review indicates that policy benefits should be greater than those currently held, then the locked-in assumptions are revised and a charge for policy benefits is recognized at that time.

Because of the many assumptions and estimates used in establishing policy benefits and the long-term nature of the contracts, the reserving process, while based on actuarial techniques, is inherently uncertain.

(j) Redeemable noncontrolling interest

In connection with the acquisitions of Arden and Atrium, and with the proposed acquisition of Torus Insurance Holdings Limited (“Torus”), (as described in Note 3, —Acquisitions) certain subsidiaries have issued or will issue shares to a noncontrolling interest. These shares provide certain redemption rights to the holder, which may be settled in the Company’s own shares or cash, at the Company’s option. The Company classifies redeemable noncontrolling interest with redemption features that are not solely within the control of the Company within temporary equity in its consolidated balance sheets and carries them at the redemption value, which is fair value. The Company recognizes changes in the fair value that exceed the carrying value of redeemable noncontrolling interest through retained earnings as if the balance sheet date were also the redemption date. For a description of the redemption rights refer to Note 3 — Acquisitions.

(k) Fees and commission income

Fixed fee income is recognized in accordance with the term of the Company’s third-party management agreements. Time-based fees are recognized as services are provided. Success-based fees are recognized when all of the contractual requirements specified in the agreement are met. Profit commissions are recorded on an accruals basis, and are earned in line with the annual accounting results of the syndicate managed by Atrium.

(l) Foreign exchange

The reporting currency of the Company is the U.S. dollar. Assets and liabilities of entities whose functional currency is not the U.S. dollar are translated at period end exchange rates. Revenue and expenses of such foreign

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entities are translated at average exchange rates during the year. The effect of the currency translation adjustments for these foreign entities is included in accumulated other comprehensive income.

Other foreign currency assets and liabilities that are considered monetary items are translated at exchange rates in effect at the balance sheet date. Foreign currency revenues and expenses are translated at transaction date exchange rates. These exchange gains and losses are included in the determination of net earnings.

(m) Earnings per share

Basic earnings per share is based on the weighted average number of ordinary shares outstanding and excludes any dilutive effects of warrants, options and convertible securities. Diluted earnings per share is based on the weighted average number of ordinary and ordinary share equivalents outstanding calculated using the treasury stock method for all potentially dilutive securities. When the effect of dilutive securities would be anti-dilutive, these securities are excluded from the calculation of diluted earnings per share.

(n) Acquisitions

The Company uses the purchase method in accounting for acquisitions. The difference between the fair value of net assets acquired and purchase price is recorded as goodwill or negative goodwill.

The purchase method of accounting requires that the acquirer record the assets and liabilities acquired at their estimated fair value. The fair values of each of the reinsurance assets and liabilities acquired are derived from probability-weighted ranges of the associated projected cash flows, based on actuarially prepared information and management’s strategy. The Company’s run-off strategy, as well as that of other run-off market participants, is expected to be different from the sellers as generally sellers are not specialized in running off insurance and reinsurance liabilities whereas the Company and other market participants do specialize in such run-offs.

The key assumptions used by the Company and, it believes, by other run-off market participants in the fair valuation of acquired companies are (i) the projected payout, timing and amount of claims liabilities; (ii) the related projected timing and amount of reinsurance collections; (iii) a risk-free discount rate, which is applied to determine the present value of the future cash flows; (iv) the estimated unallocated loss adjustment expenses to be incurred over the life of the run-off; (v) the impact of any accelerated run-off strategy; and (vi) an appropriate risk margin.

The difference between the original carrying value of reinsurance liabilities and reinsurance assets acquired at the date of acquisition and their fair value is recorded as an intangible asset or other liability, which the Company refers to as the fair value adjustment (“FVA”). The FVA is amortized over the estimated payout period of outstanding losses and loss expenses acquired. To the extent the actual payout experience after the acquisition is materially faster or slower than anticipated at the time of the acquisition, there is an adjustment to the estimated ultimate loss reserves, or there are changes in bad debt provisions or in estimates of future run-off costs following accelerated payouts, then the amortization of the FVA is adjusted to reflect such changes.

(o) Goodwill

Goodwill represents the excess of the purchase price over the fair value of the net assets acquired. The Company performs an initial valuation of its goodwill assets and assesses goodwill for impairment on an annual basis. If, as a result of the assessment, the Company determines the value of its goodwill asset is impaired, goodwill is written down in the period in which the determination is made. No impairment has been recorded as a result of the assessment.

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(p) Intangible Assets

Intangible assets represent the fair value adjustments related to unpaid losses and loss expenses, reinsurance balances recoverable and policy benefits for life and annuity contracts along with the fair values of Lloyd’s syndicate capacity, customer relationships, management contract and brand arising from the acquisition of Atrium. Definite-lived intangible assets are amortized over their useful lives. The Company recognizes the amortization of all intangible assets in the consolidated statement of earnings. Indefinite-lived intangible assets are not subject to amortization. The carrying values of intangible assets are reviewed for indicators of impairment on at least an annual basis. Impairment is recognized if the carrying values of the intangible assets are not recoverable from their undiscounted cash flows and are measured as the difference between the carrying value and the fair value.

(q) Share-based compensation

Share-based payment awards settled in ordinary shares are recorded in additional paid-in capital. The fair value of the award is measured at the grant date and expensed over the vesting period.

(r) Income taxes

Certain subsidiaries and branches of the Company operate in jurisdictions where they are subject to taxation. Current and deferred income taxes are charged or credited to net income, or, in certain cases, to accumulated other comprehensive income, based upon enacted tax laws and rates applicable in the relevant jurisdiction in the period in which the tax becomes accruable or realizable. Deferred income taxes are provided for all temporary differences between the bases of assets and liabilities used in the financial statements and those used in the various jurisdictional tax returns. When management’s assessment indicates that it is more likely than not that deferred income tax assets will not be realized, a valuation allowance is recorded against the deferred tax assets.

The Company recognizes a tax benefit relating to uncertain tax positions only where the position is more likely than not to be sustained assuming examination by tax authorities. A liability is recognized for any tax benefit (along with any interest and penalty, if applicable) claimed in a tax return in excess of the amount allowed to be recognized in the financial statements under U.S. GAAP. Any changes in amounts recognized are recorded in the period in which they are determined.

New Accounting Standards Adopted in 2013

ASU 2011-11, Disclosures About Offsetting Assets and Liabilities

In December 2011, the FASB issued new disclosure requirements regarding the nature of an entity’s rights of setoff and related arrangements associated with its financial instruments and derivative instruments. The new disclosures are designed to make financial statements that are prepared under U.S. GAAP more comparable to those prepared under International Financial Reporting Standards. The Company adopted the amended guidance effective January 1, 2013. The adoption of the guidance did not have a material impact on the consolidated financial statements.

ASU 2013-02, Presentation of Items Reclassified from Accumulated Other Comprehensive Income

In February 2013, the FASB issued new disclosure requirements for items reclassified from accumulated other comprehensive income. This guidance requires entities to disclose in a single location (either on the face of the financial statement that reports net earnings or in the notes) the effects of reclassification out of accumulated other comprehensive income. The Company adopted this guidance effective January 1, 2013. The adoption of the guidance did not have a material impact on the consolidated financial statements.

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Recently Issued Accounting Pronouncements Not Yet Adopted

ASU 2013-11 Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists

In July 2013, the FASB issued ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists (“ASU 2013-11”). The objective of ASU 2013-11 is to improve the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. ASU 2013-11 seeks to reduce the diversity in practice by providing guidance on the presentation of unrecognized tax benefits to better reflect the manner in which an entity would settle at the reporting date any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. ASU 2013-11 is effective for annual and interim reporting periods beginning after December 15, 2013, with both early adoption and retrospective application permitted. The Company is currently evaluating the impact of this guidance; however, it is not expected to have a material impact on the Company’s consolidated statements of operations and financial position.

3. ACQUISITIONS

2014

Torus Insurance Holdings Limited

Amalgamation Agreement

On July 8, 2013, the Company, Veranda Holdings Ltd (“Veranda”), an entity in which the Company owns an indirect 60% interest through its 60% interest in Bayshore Holdings Limited (“Bayshore”), Hudson Securityholders Representative LLC and Torus Insurance Holdings Limited (“Torus”) entered into an Agreement and Plan of Amalgamation (the “Amalgamation Agreement”). The Amalgamation Agreement provides for the amalgamation (the “Amalgamation”) of Veranda and Torus (the combined entity, the “Amalgamated Company”). Torus is a global specialty insurer and holding company of six wholly-owned insurance vehicles, including two Lloyd’s syndicates, one of which is in run-off.

The purchase price for the Amalgamation is approximately $692.0 million and will be paid half in cash and half in the Company’s stock. The Company and Kenmare Holdings Ltd. (its wholly-owned subsidiary) (“Kenmare”) will contribute to Bayshore, the parent company of Veranda, approximately $69.2 million in cash and 2,612,346 shares of the Company (which will consist of a combination of voting ordinary shares, par value $1.00 per share (the “Voting Ordinary Shares”) and newly-created Series B convertible non-voting preference shares, par value $1.00 per share (the “Non-Voting Preferred Shares”)) in exchange for a 60% interest in Bayshore. Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. (collectively, “Trident”) will contribute to Bayshore approximately $276.8 million in cash in exchange for a 40% interest in Bayshore. Bayshore will use the contributed funds and shares to pay the purchase price for the Amalgamation.

The number of shares to be issued by the Company is fixed and was determined by reference to an agreed-upon value per share under the Amalgamation Agreement of $132.448, which was the average closing price of the Voting Ordinary Shares over the 20 trading days prior to the date of signing of the Amalgamation Agreement. The final purchase price for the Amalgamation cannot be determined until closing because the overall value of the stock component will be an amount equal to the price of the Company’s Voting Ordinary Shares on the closing date multiplied by the fixed number of shares that will be issued. Following the Amalgamation, the Company and Trident will continue to own, respectively, a 60% and 40% indirect interest in the Amalgamated Company through their ownership of Bayshore.

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Completion of the Amalgamation is conditioned on, among other things, governmental and regulatory approvals and satisfaction of various customary closing conditions. The transaction is expected to close in the first quarter of 2014.

Stock Issuance

FR XI Offshore AIV, L.P., First Reserve Fund XII, L.P., FR XII A Parallel Vehicle L.P. and FR Torus Co-Investment, L.P. (collectively, “First Reserve”) will receive Voting Ordinary Shares, Non-Voting Preferred Shares and cash consideration in the transaction. In the event that the number of Voting Ordinary Shares deliverable to First Reserve at the closing of the Amalgamation would cause First Reserve, as of immediately after such closing, to beneficially own Voting Ordinary Shares that constitute more than 9.5% of the voting power of all shares of the Company, then the Company will issue to First Reserve, at the closing, the total number of shares of Voting Ordinary Shares representing 9.5% of the voting power of all shares of the Company as of immediately after the closing and Non-Voting Preferred Shares representing the remainder of the shares that First Reserve is entitled to under the Amalgamation Agreement. Corsair Specialty Investors, L.P. (“Corsair”) will receive both Voting Ordinary Shares and cash consideration in the transaction. The remaining Torus shareholders will receive all cash. As a result of the Amalgamation, First Reserve will receive approximately 9.5% and 11.5%, respectively, of the Company’s Voting Ordinary Shares and outstanding share capital and Corsair will receive approximately 2.5% and 2.1%, respectively, of the Company’s Voting Ordinary Shares and outstanding share capital.

The Company and First Reserve will enter into a Shareholder Rights Agreement at the closing of the Amalgamation, under which the Company has agreed that First Reserve will have the right to designate one representative to the Company’s Board of Directors. This designation right terminates if First Reserve ceases to beneficially own at least 75% of the total number of Voting Ordinary Shares and Non-Voting Preferred Shares acquired by it under the Amalgamation Agreement.

The Company will also enter into a Registration Rights Agreement with First Reserve and Corsair at the closing of the Amalgamation that provides First Reserve and Corsair with certain rights to cause the Company to register under the Securities Act of 1933, as amended (the “Act”), the Voting Ordinary Shares (including the Voting Ordinary Shares into which the Non-Voting Preferred Shares may convert) issued pursuant to the Amalgamation and any securities issued by the Company in connection with the foregoing by way of a share dividend or share split or in connection with any recapitalization, reclassification or similar reorganization (the foregoing, collectively, “Registrable Securities”). Pursuant to the Registration Rights Agreement, the Company must file a resale shelf registration statement for the Registrable Securities within 20 business days after the closing of the Amalgamation. In addition, at any time following the six-month anniversary of the closing of the Amalgamation, First Reserve will be entitled to make three written requests for the Company to register all or any part of the Registrable Securities under the Act, subject to certain exceptions and conditions set forth in the Registration Rights Agreement. Corsair will have the right to make one such request. First Reserve and Corsair will also be granted “piggyback” registration rights with respect to the Company’s registration of Voting Ordinary Shares for its own account or for the account of one or more of its securityholders.

Trident Co-investment in Torus

In connection with the Amalgamation Agreement, the Company, Kenmare and Trident entered into an Investors Agreement on July 8, 2013 governing their investments in Bayshore, and Kenmare and Trident entered into individual equity commitment letters obligating each to fund its respective portion of the purchase price for the Amalgamation noted above. Completion of Kenmare’s and Trident’s funding obligations is conditioned on,

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among other things, the satisfaction of certain conditions tied directly to the satisfaction of the closing conditions under the Amalgamation Agreement.

Upon the funding of the equity commitments at the closing of the Amalgamation, Kenmare and Trident have agreed to enter into a Shareholders’ Agreement (the “Bayshore Shareholders’ Agreement”). Among other things, the Bayshore Shareholders’ Agreement will provide that Kenmare would appoint three members to the Bayshore board of directors and Trident would appoint two members.

The Bayshore Shareholders’ Agreement includes a five-year period during which neither party can transfer its ownership interest in Bayshore to a third party (the “Restricted Period”). Following the Restricted Period: (i) each party must offer the other party the right to buy its shares before the shares are offered to a third party; (ii) Kenmare can require Trident to participate in a sale of Bayshore to a third party as long as Kenmare owns 55% of Bayshore; (iii) each party has the right to be included on a pro rata basis in any sales made by the other party; and (iv) each party has the right to buy its pro rata share of any new securities issued by Bayshore.

During the 90-day period following the fifth anniversary of the closing of the Amalgamation, and at any time following the seventh anniversary of such closing, Kenmare would have the right to redeem Trident’s shares in Bayshore at their then fair market value, which would be payable in cash. Following the seventh anniversary of the closing, Trident would have the right to require Kenmare to purchase Trident’s shares for their then current fair market value, which Kenmare would have the option to pay either in cash or by delivering the Company’s ordinary voting shares.

Trident is a holder of approximately 9.7% of the Company’s ordinary shares. James D. Carey, a member and senior principal of Stone Point Capital LLC (the Manager of Trident), is a Member of the Company’s Board of Directors. Refer to Note 19 for information regarding the Company’s other transactions with Trident and its affiliates.

2013

Atrium

On November 25, 2013, Kenmare, the Company’s wholly-owned subsidiary, together with Trident, completed the acquisition of Atrium. The purchaser of Atrium, Northshore Holdings Limited (“Northshore”), is 60% owned by Kenmare and 40% owned by Trident. Atrium is an underwriting business at Lloyd’s of London that manages Syndicate 609 (“S609”) and provides approximately one quarter of the syndicate’s capital. Atrium specializes in accident and health, aviation, marine property, non-marine property, professional liability, property and casualty binding authorities, reinsurance, upstream energy, war and terrorism insurance, cargo and fine art.

The purchase price for Atrium was $158.0 million. Kenmare’s portion of the purchase price was $94.8 million, and was financed by borrowings under the Company’s revolving credit facility.

The purchase price and net assets acquired at fair value are as follows:

Purchase price	$	158,000
Net assets acquired at fair value	$	119,152
Excess of purchase price over fair value of net assets acquired	$	38,848

The purchase price was allocated to the acquired assets and liabilities of Atrium based on estimated fair values at the acquisition date. The Company recognized goodwill of $38.8 million, all of which was recorded

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within the active underwriting segment and is attributable primarily to Atrium’s assembled workforce. The Company also recognized indefinite lived intangible assets of $63.0 million and other definite lived intangible assets of $27.0 million.

The Company has not completed the process of determining the fair value of the intangible assets acquired and deferred taxes. These valuations will be completed within the measurement period, which cannot exceed 12 months from the acquisition date. As a result, the fair value recorded for these items is a provisional estimate and may be subject to adjustment. Once completed, any adjustments resulting from the valuations may impact the individual amounts recorded for assets acquired and liabilities assumed, as well as the residual goodwill.

The following table summarizes the provisional fair values of the assets acquired and liabilities assumed at the acquisition date.

ASSETS
Short-term investments, available-for-sale, at fair value	$	33,535
Short-term investments, trading, at fair value		12,526
Fixed maturities, available-for-sale, at fair value		156,142
Fixed maturities, trading, at fair value		10,751
Total investments		212,954
Cash and cash equivalents		44,842
Restricted cash and cash equivalents		12,305
Premiums receivable		41,855
Reinsurance balances recoverable		32,375
Deferred premium		26,224
Funds withheld		19,579
Intangibles		90,000
Other assets		7,977
TOTAL ASSETS		488,111
LIABILITIES
Losses and loss adjustment expenses		216,319
Insurance and reinsurance balances payable		20,834
Unearned premium		42,738
Deferred taxes		39,740
Other liabilities		49,328
TOTAL LIABILITIES		368,959
NET ASSETS ACQUIRED AT FAIR VALUE		119,152
Goodwill		38,848
ACQUISITION DATE FAIR VALUE	$	158,000

The net unearned premiums acquired include a decrease of $16.7 million to adjust net unearned premiums to fair value. This fair value adjustment is included within unearned premiums on the consolidated balance sheet. This amount will be amortized to acquisition costs in the consolidated statements of earnings and comprehensive income over the next two years. The amortization approximates the amount of Atrium’s deferred acquisition costs that would have been recognized as acquisition costs had they not been fair valued under acquisition accounting. As at December 31, 2013, the remaining balance of the fair value adjustment was $16.7 million.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table summarizes the provisional intangible assets recorded in connection with the acquisition:

	Amount		Economic Useful Life
Syndicate capacity	$	32,900	Indefinite
Management contract		30,100	Indefinite
Distribution channel		20,000	15 Years
Brand		7,000	10 years
Intangible assets as of the acquisition date	$	90,000

The fair value of the Lloyd’s syndicate capacity was estimated using the multi-period excess-earnings method, a form of the income approach. Lloyd’s syndicate capacity represents Atrium’s authorized premium income limit to write insurance business in the Lloyd’s market. Atrium’s proportionate share of S609, (the syndicate through which it conducts its Lloyd’s operations) is approximately 25%. The capacity is renewed annually at no cost to the Company but may be freely purchased or sold, subject to Lloyd’s approval. The ability to write insurance business within the syndicate capacity is indefinite with the premium income limit being set annually by the Company, subject to Lloyd’s approval.

Atrium provides underwriting, actuarial and support services to S609 pursuant to a management contract. The fair value of the management contract was estimated using the income approach.

Distribution channels represent broker relationships and the network of insurance companies through which Atrium conducts its operations. The fair value of Atrium’s distribution channel was estimated using the income approach. Critical inputs into the valuation model for customer relationships and broker relationships include estimates of expected premium and attrition rates, and discounting at a weighted average cost of capital. Brand represents the intangible asset related to the name and was valued using the income approach.

From the date of acquisition to December 31, 2013, the Company earned premiums of $10.7 million, recorded losses incurred of $7.2 million on those earned premiums, and recorded $2.5 million in net earnings related to Atrium in its consolidated statement of earnings.

Arden

On September 9, 2013, Kenmare, the Company’s wholly-owned subsidiary, together with Trident, completed the acquisition of Arden. Northshore, the purchaser of Arden, is 60% owned by Kenmare and 40% owned by Trident. Arden is a Bermuda-based reinsurance company that provides reinsurance to Atrium and is currently in the process of running off certain other discontinued businesses.

Results related to Arden’s reinsurance to Atrium are included within the Company’s active underwriting segment, while results related to Arden’s discontinued business are included within the Company’s non-life run-off segment.

The purchase price for Arden was $79.6 million. Kenmare’s portion of the purchase price was $47.8 million, and was financed by borrowings under the Company’s revolving credit facility.

Purchase price	$	79,600
Net assets acquired at fair value	$	79,600

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

	Active Underwriting		Non-life Run-off		Total
ASSETS
Short-term investments, trading, at fair value	$	16,340	$	12,512	$	28,852
Fixed maturities, trading, at fair value		9,351		46,077		55,428
Other investments		—		2,867		2,867
Total investments		25,691		61,456		87,147
Cash and cash equivalents		—		23,037		23,037
Restricted cash and cash equivalents		10,213		21,599		31,812
Premiums receivable		74,452		49,769		124,221
Reinsurance balances recoverable		—		354,810		354,810
Other assets		—		12,016		12,016
TOTAL ASSETS		110,356		522,687		633,043
LIABILITIES
Losses and loss adjustment expenses		56,160		427,567		483,727
Insurance and reinsurance balances payable		—		59,304		59,304
Unearned premium		—		10,412		10,412
TOTAL LIABILITIES		56,160		497,283		553,443
NET ASSETS ACQUIRED AT FAIR VALUE	$	54,196	$	25,404	$	79,600

From the date of acquisition to December 31, 2013, the Company earned premiums of $21.3 million, recorded losses incurred of $11.8 million on those earned premiums, and recorded $9.8 million in net earnings related to Arden in its consolidated statement of earnings.

Pavonia

On March 31, 2013, the Company and its wholly-owned subsidiary, Pavonia Holdings (US), Inc., completed the acquisition of all of the shares of Household Life Insurance Company of Delaware (“HLIC DE”) and HSBC Insurance Company of Delaware (“HSBC DE”) from Household Insurance Group Holding Company, a subsidiary of HSBC Holdings plc. HLIC DE and HSBC DE are both Delaware-domiciled insurers in run-off. HLIC DE owns three other insurers domiciled in Michigan, New York, and Arizona, which are also in run-off (collectively with HLIC DE and HSBC DE, the “Pavonia companies”). The aggregate cash purchase price was $155.6 million and was financed in part by a drawing of $55.7 million under the Company’s revolving credit facility. The Pavonia companies wrote various U.S. and Canadian life insurance, including credit life and disability insurance, term life insurance, assumed life reinsurance and annuities.

The purchase price and fair value of the assets acquired in the Pavonia acquisition were as follows:

Purchase price	$	155,564
Net assets acquired at fair value	$	155,564

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading, at fair value	$	40,404
Short-term investments, held-to-maturity, at fair value		10,268
Fixed maturities, trading, at fair value		329,985
Fixed maturities, held-to-maturity, at fair value		876,474
Total investments		1,257,131
Cash and cash equivalents		81,849
Accrued interest receivable		15,183
Funds held by reinsured companies		47,761
Other assets		59,002
TOTAL ASSETS		1,460,926
LIABILITIES
Policyholder benefits for life and annuity contracts		1,255,632
Reinsurance balances payable		39,477
Unearned premium		5,618
Other liabilities		4,635
TOTAL LIABILITIES		1,305,362
NET ASSETS ACQUIRED AT FAIR VALUE	$	155,564

As of March 31, 2013, the date of acquisition of the Pavonia companies, all of the companies were either in run-off or, immediately following the acquisition, were placed into run-off, and accordingly are no longer writing any new policies. The Pavonia companies will continue to collect premiums in relation to the unexpired policies assumed on acquisition.

For the period from the date of the acquisition to December 31, 2013, the Company had earned premiums of $92.2 million, recorded life and annuity benefits and acquisition costs of $88.6 million on those earned premiums, and recorded $3.7 million in net earnings related to the Pavonia companies in its consolidated statement of earnings.

SeaBright

On February 7, 2013, the Company completed its acquisition of SeaBright, through the merger of its indirect, wholly-owned subsidiary, AML Acquisition, Corp. (“AML Acquisition”), with and into SeaBright (the “Merger”), with SeaBright surviving the Merger as the Company’s indirect, wholly-owned subsidiary. SeaBright owns SeaBright Insurance Company, an Illinois-domiciled insurer that is commercially domiciled in California, which wrote direct workers’ compensation business. The aggregate cash purchase price paid by the Company for all equity securities of SeaBright was approximately $252.1 million, which was funded in part with $111.0 million borrowed under a four-year term loan facility provided by National Australia Bank (“NAB”) and Barclays Bank PLC.

Immediately following the acquisition, SeaBright was placed into run-off, and accordingly is no longer writing new insurance policies. Since its acquisition, SeaBright had renewed expiring insurance policies when it was obligated to do so by regulators, but has received approvals from all states relieving it of this obligation to renew any further policies.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The purchase price and fair value of the assets acquired in the SeaBright acquisition were as follows:

Purchase price	$	252,091
Net assets acquired at fair value	$	252,091

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading, at fair value	$	25,171
Fixed maturities, trading, at fair value		683,780
Total investments		708,951
Cash and cash equivalents		41,846
Accrued interest receivable		6,344
Premiums receivable		112,510
Reinsurance balances recoverable		117,462
Other assets		4,515
TOTAL ASSETS		991,628
LIABILITIES
Losses and loss adjustment expenses		592,774
Unearned premium		93,897
Loans payable		12,000
Insurance balances payable		3,243
Other liabilities		37,623
TOTAL LIABILITIES		739,537
NET ASSETS ACQUIRED AT FAIR VALUE	$	252,091

The net unearned premiums acquired include a decrease of $14.4 million to adjust net unearned premiums to fair value. This fair value adjustment is included within unearned premiums on the consolidated balance sheet. This amount has been amortized to acquisition costs in the consolidated statements of earnings during 2013. The amortization approximates the amount of SeaBright’s deferred acquisition costs that would have been recognized as acquisition costs had they not been fair valued under acquisition accounting. As at December 31, 2013, this fair value adjustment was fully amortized.

Gross and net premiums written by SeaBright from the date of the acquisition to December 31, 2013 totaled $17.8 million and $9.2 million, respectively. Because SeaBright’s exit from the mandatory renewal process was approved, the Company expects that SeaBright will no longer generate premiums written other than for small adjustments related to premium audits and reinstatement premiums on previously written policies.

From the date of acquisition to December 31, 2013, the Company earned premiums of $112.8 million, recorded losses incurred and acquisition costs of $86.6 million on those earned premiums, and recorded $3.5 million in net losses related to SeaBright in its consolidated statement of earnings.

Pro Forma Financial Information — Atrium, Arden and the Pavonia companies (Unaudited)

The following pro forma condensed combined statement of earnings for the years ended December 31, 2013 and 2012 combines the historical consolidated statements of earnings of the Company (inclusive of those of

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

SeaBright since its acquisition on February 7, 2013) with those of Atrium, Arden and Pavonia, giving effect to the business combinations and related transactions of Atrium, Arden and Pavonia as if they had occurred on January 1, 2013 and 2012, respectively. For the year ended December 31, 2013, the results shown for Atrium, Arden and Pavonia represent their results from January 1, 2013 to the respective date of each acquisition. The results for Atrium, Arden and Pavonia post-acquisition are included in the results shown for the Company.

The pro forma financial information presented below is for informational purposes only and is not necessarily indicative of the results of operations that would have been achieved if the acquisitions of Atrium, Arden and the Pavonia companies had taken place on January 1, 2013 or 2012, respectively.

				Unaudited
Twelve Months Ended December 31, 2013	Enstar Group Limited			Atrium			Arden			Pavonia			Pro forma Adjustments			Enstar Group Limited - Pro Forma
Total income	$	416,570		$	91,126		$	15,911		$	48,275		$	—		$	571,882
Total expenses		(192,748	)		(68,545	)		(18,783	)		(48,094	)		(9,531	)		(337,701	)
Noncontrolling interest		(15,218	)		—			—			—			(7,170	)		(22,388	)
Net earnings	$	208,604		$	22,581		$	(2,872	)	$	181		$	(16,701	)	$	211,793
Net earnings per ordinary share —basic																$	12.82
Net earnings per ordinary share —diluted																$	12.68
Weighted average ordinary shares outstanding — basic																	16,523,369
Weighted average ordinary shares outstanding — diluted																	16,703,442

Summary of the Pro Forma Adjustments to the Pro Forma Condensed Combined Statement of Earnings for the Twelve Months Ended December 31, 2013 (Unaudited):

		Unaudited
Expenses		Atrium			Arden			Pavonia			Total
(i)	Adjustment to interest expense to reflect the financing costs of the acquisition for the year	$	(3,105	)	$	(1,111	)	$	(442	)	$	(4,658	)
(ii)	Adjustment to recognize amortization of definite lived intangible assets		(2,033	)		(218	)		(2,825	)		(5,076	)
(iii)	Net adjustment related to the unlocking and reassessment of the actuarial estimates of the business acquired		—			—			(2,166	)		(2,166	)
(iv)	Adjustment to income taxes for pro forma adjustments		467			—			1,902			2,369
		$	(4,671	)	$	(1,329	)	$	(3,531	)	$	(9,531	)
(v)	Adjustment to noncontrolling interest for pro forma adjustments	$	(8,406	)	$	1,236		$	—		$	(7,170	)

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

				Unaudited
Twelve Months Ended December 31, 2012	Enstar Group Limited			Atrium			Arden			Pavonia			Pro forma Adjustments			Enstar Group Limited - Pro Forma
Total income	$	163,453		$	82,343		$	199,939		$	280,227		$	—		$	725,962
Total expenses		28,066			(52,277	)		(108,185	)		(267,983	)		(21,855	)		(422,234	)
Noncontrolling interest		(23,502	)		—			—			—			(47,971	)		(71,473	)
Net earnings	$	168,017		$	30,066		$	91,754		$	12,244		$	(69,826	)	$	232,255
Net earnings per ordinary share — basic																$	14.13
Net earnings per ordinary share — diluted																$	13.96
Weighted average ordinary shares outstanding — basic																	16,441,461
Weighted average ordinary shares outstanding — diluted																	16,638,021

Summary of the Pro Forma Adjustments to the Pro Forma Condensed Combined Statement of Earnings for the Twelve Months Ended December 31, 2012 (Unaudited):

		Unaudited
Expenses		Atrium			Arden			Pavonia			Total
(i)	Adjustment to interest expense to reflect the financing costs of the acquisition for the year	$	(3,685	)	$	(1,854	)	$	(2,227	)	$	(7,766	)
(ii)	Adjustment to recognize amortization of definite lived intangible assets		(2,033	)		(327	)		(11,300	)		(13,660	)
(iii)	Net adjustment related to the unlocking and reassessment of the actuarial estimates of the business acquired		—			—			(8,664	)		(8,664	)
(iv)	Adjustment to income taxes for pro forma adjustments		468			—			7,767			8,235
		$	(5,250	)	$	(2,181	)	$	(14,424	)	$	(21,855	)
(v)	Adjustment to noncontrolling interest for pro forma adjustments	$	(11,400	)	$	(36,571	)	$	—		$	(47,971	)

2011

Clarendon

On July 12, 2011, the Company, through its wholly-owned subsidiary, Clarendon Holdings, Inc., completed the acquisition of 100% of the shares of Clarendon National Insurance Company (“Clarendon”) from Clarendon Insurance Group, Inc., an affiliate of Hannover Re (“Hannover”). Clarendon is a New Jersey-domiciled insurer that is in run-off. Clarendon owns three other insurers, two domiciled in New Jersey and one domiciled in Florida, that are also in run-off. The purchase price was $219.1 million and was financed in part by $106.5 million under a four-year term loan facility provided by NAB and the remainder from available cash on hand.

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In addition, on July 12, 2011, the Company, through its wholly-owned subsidiary, Fitzwilliam Insurance Limited (“Fitzwilliam”), in connection with the acquisition of Clarendon, entered into a reinsurance agreement with Hannover, which provides adverse development cover (“ADC”) to Clarendon to reinsure Hannover for the first $80.0 million of the ADC. The Company provided a parental guarantee to Hannover in the amount of $80.0 million supporting the obligations of Fitzwilliam.

The purchase price and fair value of the assets acquired in the Clarendon acquisition were as follows:

Purchase price	$	219,077
Net assets acquired at fair value	$	219,077

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading	$	60,376
Fixed maturities, trading		623,530
Equities		5,014
Total investments		688,920
Cash and cash equivalents		138,518
Restricted cash and cash equivalents		7,198
Reinsurance balances recoverable		1,065,341
Accrued interest and other receivables		9,655
TOTAL ASSETS		1,909,632
LIABILITIES
Losses and loss adjustment expenses		1,654,436
Insurance and reinsurance balances payable		1,942
Funds withheld		26,277
Accounts payable		7,900
TOTAL LIABILITIES		1,690,555
NET ASSETS ACQUIRED AT FAIR VALUE	$	219,077

Laguna

On March 25, 2011, the Company, through its wholly-owned subsidiary, Kenmare, completed the acquisition of Laguna Life Limited, formerly known as CitiLife Financial Limited (“Laguna”), from Citigroup Insurance Holding Corporation (“Citigroup”), an affiliate of Citigroup Inc. Laguna is an Ireland-based life insurer that is in run-off. The purchase price was €15.0 million (approximately $21.2 million) and was funded from available cash on hand. The originally disclosed purchase price of €30.0 million (approximately $42.4 million) was reduced, prior to completion of the acquisition, after Citigroup received approval from Laguna’s regulator to distribute €15.0 million (approximately $21.2 million) to its shareholders.

The purchase price and fair value of the net assets acquired in the Laguna acquisition were as follows:

Purchase price	$	21,223
Net assets acquired at fair value	$	34,328
Excess of net assets over purchase price (gain on bargain purchase)	$	(13,105	)

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The gain on bargain purchase of approximately $13.1 million, relating to the acquisition of Laguna, arose primarily as a result of the reassessment by the Company, upon acquisition, of the total required estimated costs to manage the business to expiry. The Company’s assessment of costs was lower than the acquired costs recorded by the vendor in the financial statements of Laguna.

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading	$	1,154
Fixed maturities, trading		30,765
Total investments		31,919
Cash and cash equivalents		13,274
Reinsurance balances recoverable		1,459
Other assets		1,325
TOTAL ASSETS		47,977
LIABILITIES
Losses and loss adjustment expenses		11,898
Accounts payable		1,751
TOTAL LIABILITIES		13,649
NET ASSETS ACQUIRED AT FAIR VALUE	$	34,328

4. SIGNIFICANT NEW BUSINESS

2014

Shelbourne RITC Transactions

The Company, through its wholly-owned U.K.-based subsidiary, Shelbourne Group Limited (“Shelbourne”), invests in reinsurance to close contract (“RITC”) transactions (the transferring of liabilities from one Lloyd’s syndicate to another) with Lloyd’s of London insurance and reinsurance syndicates in run-off. Shelbourne was originally formed in December 2007 in conjunction with other investors. Shelbourne owns 100% of Shelbourne Syndicate Services Limited, the Managing Agency for Lloyd’s Syndicate 2008 (“S2008”), a syndicate approved by Lloyd’s of London on December 16, 2007 to undertake RITC transactions with Lloyd’s syndicates in run-off.

Effective January 1, 2014, S2008 entered into an RITC transaction with another Lloyd’s syndicate in respect of its 2011 and prior underwriting years of account, under which S2008 assumed net insurance reserves of approximately £15.3 million (approximately $25.3 million) for consideration of an approximately equal amount.

Reciprocal of America

On July 6, 2012, PWIC entered into a definitive loss portfolio transfer reinsurance agreement with Reciprocal of America (in Receivership) and its Deputy Receiver relating to a portfolio of workers’ compensation business. The estimated total liabilities to be assumed are approximately $169.0 million, with an equivalent amount of assets to be received as consideration. Completion of the transaction is conditioned upon, among other things, regulatory approvals and satisfaction of customary closing conditions. The transaction is expected to close in the second quarter of 2014.

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2013

Shelbourne RITC Transactions

Effective January 1, 2013, Lloyd’s Syndicate 2008 entered into a RITC of the 2009 underwriting year of account of another Lloyd’s syndicate and a 100% quota share reinsurance agreement with a further Lloyd’s syndicate in respect of its 2010 underwriting year of account, under which S2008 assumed total gross insurance reserves of approximately £33.8 million (approximately $51.4 million) for consideration of an equal amount.

American Physicians

On April 26, 2013, the Company, through its wholly-owned subsidiary, Providence Washington Insurance Company (“PWIC”), completed the assignment and assumption of a portfolio of workers’ compensation business from American Physicians Assurance Corporation and APSpecialty Insurance Company (collectively “APS”). Total assets and liabilities assumed were approximately $35.3 million.

2012

Claremont

On August 6 and December 17, 2012, the Company, through Fitzwilliam, entered into novation agreements with Claremont and two of Claremont’s reinsurers with respect to their existing quota share contracts. Under the novation agreements, Fitzwilliam replaced the reinsurers on the quota share contracts in exchange for total assets and liabilities of approximately $38.0 million.

Zurich Danish Portfolio

On June 30, 2012, the Company, through the Danish branch of its wholly-owned subsidiary, Marlon Insurance Company Limited (“Marlon”), acquired, by way of loss portfolio transfer under Danish law, a portfolio of reinsurance and professional disability business from the Danish branch of Zurich Insurance Company (“Zurich”). Marlon received total assets and assumed liabilities of approximately $60.0 million.

Shelbourne RITC Transactions

On January 1, 2012, S2008 transferred the assets and liabilities relating to its 2009 and prior underwriting years of account into its 2010 underwriting year of account by means of an RITC transaction. Following the transfer, the existing noncontrolling interest held by its other investors ceased, resulting in the Company now providing 100% of the underwriting capacity for S2008.

Effective December 31, 2012, S2008 entered into a 100% quota share reinsurance agreement with another Lloyd’s syndicate in respect of its 2009 and prior years of account (the “2009 Liabilities”), under which S2008 assumed total gross insurance reserves of approximately £193.0 million (approximately $313.3 million) for consideration of an equal amount. Effective January 1, 2014, the 2012 Lloyd’s underwriting year of account of S2008 entered into a partial RITC transaction with respect to the 2009 liabilities.

2011

Insurance Australia Group

On September 20, 2011, the Company, through its wholly-owned subsidiary, Gordian Run-off Limited (“Gordian”), acquired an inwards reinsurance portfolio from Insurance Australia Group Limited via an Australian Federal Court approved scheme. Gordian received total assets and assumed total net reinsurance liabilities of approximately 9.7 million Australian dollars (approximately $10.0 million).

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Claremont

On September 1, 2011, the Company, through Fitzwilliam, entered into a novation agreement with Claremont and certain of its reinsurers with respect to three specific quota share contracts. Under the novation agreement, Fitzwilliam replaced those companies as reinsurer of Claremont on the quota share contracts, assuming liabilities of $22.5 million and receiving assets of an equal amount.

Shelbourne RITC Transactions

In February 2011, S2008 entered into RITC agreements with two Lloyd’s syndicates assuming total gross insurance reserves of approximately $129.6 million for consideration of an equal amount.

5. INVESTMENTS

Trading

The estimated fair values of the Company’s investments in fixed maturity securities, short-term investments and equities classified as trading securities were as follows:

	December 31, 2013		December 31, 2012
U.S. government and agency	$	439,946	$	361,906
Non-U.S. government		476,224		265,722
Corporate		2,123,675		1,598,876
Municipal		41,034		20,446
Residential mortgage-backed		218,457		115,594
Commercial mortgage-backed		114,637		130,848
Asset-backed		248,748		78,929
Total fixed maturity and short-term investments		3,662,721		2,572,321
Equities — U.S.		115,285		92,406
Equities — International		66,748		22,182
	$	3,844,754	$	2,686,909

Included within residential and commercial mortgage-backed securities as at December 31, 2013 were securities issued by U.S. governmental agencies with a fair value of $177.9 million (as at December 31, 2012: $68.4 million within residential and commercial mortgage-backed securities).

The following tables set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities and short-term investments classified as trading:

As at December 31, 2013	Fair Value		% of Total Fair Value
AAA	$	502,057		13.7	%
AA		1,430,107		39.1	%
A		1,191,142		32.5	%
BBB or lower		461,614		12.6	%
Not Rated		77,801		2.1	%
	$	3,662,721		100.0	%

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

As at December 31, 2012	Fair Value		% of Total Fair Value
AAA	$	418,297		16.3	%
AA		958,267		37.2	%
A		812,428		31.6	%
BBB or lower		376,347		14.6	%
Not Rated		6,982		0.3	%
	$	2,572,321		100.0	%

Held-to-maturity

The Company holds a portfolio of held-to-maturity securities to support the Pavonia annuity business. The amortized cost and estimated fair values of the Company’s fixed maturity securities classified as held-to-maturity were as follows:

As at December 31, 2013	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	19,992	$	6	$	(1,866	)	$	18,132
Non-U.S. government		23,592		19		(1,284	)		22,327
Corporate		815,803		105		(56,808	)		759,100
	$	859,387	$	130	$	(59,958	)	$	799,559

As at December 31, 2013, none of these securities were considered to be other-than-temporarily impaired.

As at December 31, 2012, the Company had no investments classified as held-to-maturity.

The contractual maturities of the Company’s fixed maturity securities classified as held-to-maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	17,541	$	17,579		2.2	%
Due after one year through five years		87,698		86,611		10.8	%
Due after five years through ten years		133,102		126,541		15.8	%
Due after ten years		621,046		568,828		71.2	%
	$	859,387	$	799,559		100.0	%

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following table set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities classified as held-to-maturity:

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	47,949	$	44,552		5.6	%
AA		259,163		239,188		29.9	%
A		496,986		463,001		57.9	%
BBB or lower		54,759		52,282		6.5	%
Not Rated		530		536		0.1	%
	$	859,387	$	799,559		100.0	%

Available-for-sale

The amortized cost and estimated fair values of the Company’s fixed maturity securities and short-term investments classified as available-for-sale were as follows:

As at December 31, 2013	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	28,050	$	303	$	(10	)	$	28,343
Non-U.S. government		84,443		1,871		(22	)		86,292
Corporate		76,942		1,221		(259	)		77,904
Residential mortgage-backed		17,523		102		(118	)		17,507
Asset-backed		36,344		4		(30	)		36,318
	$	243,302	$	3,501	$	(439	)	$	246,364

As at December 31, 2012	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	4,503	$	454	$	—		$	4,957
Non-U.S. government		120,634		3,373		(151	)		123,856
Corporate		115,139		2,379		(524	)		116,994
Residential mortgage-backed		4,308		230		(40	)		4,498
Commercial mortgage-backed		474		7		—			481
Asset-backed		338		9		(12	)		335
	$	245,396	$	6,452	$	(727	)	$	251,121

Included within residential mortgage-backed securities as at December 31, 2013 were securities issued by U.S. governmental agencies with a fair value of $12.5 million (as at December 31, 2012: $3.5 million within residential and commercial mortgage-backed securities).

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The following tables summarize the Company’s fixed maturity securities and short-term investments classified as available-for-sale in an unrealized loss position as well as the aggregate fair value and gross unrealized loss by length of time the securities have continuously been in an unrealized loss position:

	12 Months or Greater				Less Than 12 Months					Total
As at December 31, 2013	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
U.S. government and agency	$	—	$	—	$	11,416	$	(10	)	$	11,416	$	(10	)
Non-U.S. government		—		—		20,406		(22	)		20,406		(22	)
Corporate		—		—		51,478		(259	)		51,478		(259	)
Residential mortgage-backed		—		—		13,632		(118	)		13,632		(118	)
Asset-backed		—		—		24,898		(30	)		24,898		(30	)
	$	—		—	$	121,830	$	(439	)	$	121,830	$	(439	)

	12 Months or Greater					Less Than 12 Months					Total
As at December 31, 2012	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-U.S. government	$	2,646	$	(82	)	$	2,399	$	(69	)	$	5,045	$	(151	)
Corporate		13,936		(86	)		8,689		(438	)		22,625		(524	)
Residential mortgage-backed		1,124		(40	)		—		—			1,124		(40	)
Asset-backed		174		(12	)		—		—			174		(12	)
	$	17,880	$	(220	)	$	11,088	$	(507	)	$	28,968	$	(727	)

As at December 31, 2013 and 2012, the number of securities classified as available-for-sale in an unrealized loss position was 135 and 30, respectively, with a fair value of $121.8 million and $29.0 million, respectively. The increase in the number of these securities was due primarily to investment portfolios acquired in connection with acquisitions completed during 2013. Of these securities, the number of securities that had been in an unrealized loss position for twelve months or longer was 2 and 23, respectively. As of December 31, 2013, none of these securities were considered to be other than temporarily impaired.

The contractual maturities of the Company’s fixed maturity securities and short-term investments classified as available-for-sale are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	45,295	$	45,596		18.5	%
Due after one year through five years		141,400		143,445		58.2	%
Due after five years through ten years		69		70		0.1	%
Due after ten years		2,671		3,428		1.4	%
		189,435		192,539		78.2	%
Residential mortgage-backed		17,523		17,507		7.1	%
Asset-backed		36,344		36,318		14.7	%
	$	243,302	$	246,364		100.0	%

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As at December 31, 2012	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	173,113	$	173,949		69.3	%
Due after one year through five years		64,089		68,298		27.2	%
Due after ten years		3,074		3,560		1.4	%
		240,276		245,807		97.9	%
Residential mortgage-backed		4,308		4,498		1.8	%
Commercial mortgage-backed		474		481		0.2	%
Asset-backed		338		335		0.1	%
	$	245,396	$	251,121		100.0	%

The following tables set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities and short-term investments classified as available-for-sale:

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	125,729	$	127,433		51.7	%
AA		74,692		75,181		30.5	%
A		33,834		34,607		14.1	%
BBB or lower		8,957		8,963		3.6	%
Not Rated		90		180		0.1	%
	$	243,302	$	246,364		100.0	%

As at December 31, 2012	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	107,615	$	110,829		44.1	%
AA		59,535		60,742		24.2	%
A		72,773		73,935		29.4	%
BBB or lower		5,281		5,197		2.1	%
Not Rated		192		418		0.2	%
	$	245,396	$	251,121		100.0	%

Other-Than-Temporary Impairment Process

The Company assesses whether declines in the fair value of its fixed maturity investments classified as available-for-sale and held-to-maturity represent impairment losses that are other-than-temporary and whether a credit loss exists in accordance with its accounting policies. In assessing whether it is more likely than not that the Company will be required to sell a fixed maturity investment before its anticipated recovery, the Company considers various factors including its future cash flow requirements, legal and regulatory requirements, the level of its cash, cash equivalents, short-term investments and fixed maturity investments available-for-sale in an unrealized gain position, and other relevant factors. For the year ended December 31, 2013, the Company did not recognize any other-than-temporary impairment losses due to required sales. The Company determined that, as at December 31, 2013, no credit losses existed.

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Other Investments

The estimated fair values of the Company’s other investments were as follows:

	December 31, 2013		December 31, 2012
Private equity funds	$	161,229	$	127,696
Fixed income funds		194,375		156,235
Fixed income hedge funds		68,157		53,933
Equity funds		109,355		55,881
Real estate debt fund		32,113		16,179
Other		4,064		4,921
	$	569,293	$	414,845

Private equity funds

This class comprises several private equity funds that invest primarily in the financial services industry. All of the Company’s investments in private equity funds are subject to restrictions on redemptions and sales that are determined by the governing documents and limit the Company’s ability to liquidate those investments. These restrictions have been in place since the dates the initial investments were made by the Company.

As of December 31, 2013 and December 31, 2012, the Company had $161.2 million and $127.7 million, respectively, of other investments recorded in private equity funds, which represented 2.5% and 3.0% of total investments, cash and cash equivalents and restricted cash and cash equivalents at December 31, 2013 and December 31, 2012, respectively. Due to a lag in the valuations reported by the managers, the Company records changes in the investment value with up to a three-month lag. Management regularly reviews and discusses fund performance with their fund managers to corroborate the reasonableness of the reported net asset values and to assess whether any events have occurred within the lag period that would affect the valuation of the investments.

Fixed income funds

This class comprises a number of positions in diversified fixed income funds that are managed by third party managers. Underlying investments vary from high grade corporate bonds to non-investment grade senior secured loans and bonds, but are generally invested in liquid fixed income markets. These funds have regularly published prices. The funds have liquidity terms that vary from daily to monthly.

Fixed income hedge funds

This class comprises hedge funds that invest in a diversified portfolio of debt securities. The hedge funds are not currently eligible for redemption due to imposed lock-up periods of three years from the time of the Company’s initial investment. Once eligible, redemptions will be permitted quarterly with 90 days’ notice. The earliest date at which the funds will be eligible for redemption is March 2014.

Equity funds

This class comprises equity funds that invest in a diversified portfolio of international publicly-traded equity securities.

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Real estate debt fund

This class comprises a real estate debt fund that invests primarily in U.S. commercial real estate loans and securities. A redemption request for this fund can be made 10 days after the date of any monthly valuation; the fund states that it will make commercially reasonable efforts to redeem the investment within the next monthly period.

Other

This class primarily comprises a fund that provides loans to educational institutions throughout the U.S. and its territories. Through these investments, the Company participates in the performance of the underlying loan pools. This investment matures when the loans are paid down and cannot be redeemed before maturity.

Redemption restrictions on other investments

Certain funds included in other investments are subject to a lock-up period. A lock-up period refers to the initial amount of time an investor is contractually required to invest before having the ability to redeem the investment. Funds that do provide for periodic redemptions may, depending on the funds’ governing documents, have the ability to deny or delay a redemption request, which is called a “gate.” The fund may restrict redemptions because the aggregate amount of redemption requests as of a particular date exceeds a specified level. The gate is a method for executing an orderly redemption process that allows for redemption requests to be executed in a timely manner to reduce the possibility of adversely affecting the remaining investors in the fund. Typically, the imposition of a gate delays a portion of the requested redemption, with the remaining portion to be settled in cash sometime after the redemption date.

Certain funds included in other investments may be allowed to invest a portion of their assets in illiquid securities, such as private equity or convertible debt. In such cases, a common mechanism used is a “side-pocket,” whereby the illiquid security is assigned to a separate memorandum capital account or designated account. Typically, the investor loses its redemption rights in the designated account. Only when the illiquid security is sold, or is otherwise deemed liquid by the fund, may investors redeem their interest in the side-pocket.

At December 31, 2013, the Company had $3.2 million of investments subject to side-pockets ($nil as of December 31, 2012). Management has not made any adjustments to the fair value estimate reported by the fund managers for the side-pocketed investments.

The following tables present the fair value, unfunded commitments and redemption frequency for all other investments. These investments are all valued at net asset value as at December 31, 2013 and December 31, 2012:

December 31, 2013	Total Fair Value		Gated/Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
Private equity funds	$	161,229	$	—	$	161,229	$	113,585	Not eligible
Fixed income funds		194,375		—		194,375		—	Daily to monthly
Fixed income hedge funds		68,157		3,150		65,007		—	Quarterly after lock-up periods expire
Equity funds		109,355		—		109,355		—	Bi-monthly
Real estate debt fund		32,113		—		32,113		—	Monthly
Other		4,064		—		4,064		655	Not eligible
	$	569,293	$	3,150	$	566,143	$	114,240

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December 31, 2012	Total Fair Value		Gated/Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
Private equity funds	$	127,696	$	—	$	127,696	$	86,936	Not eligible
Fixed income funds		156,235		—		156,235		—	Daily to monthly
Fixed income hedge funds		53,933		—		53,933		—	Quarterly after lock-up periods expire
Equity fund		55,881		—		55,881		—	Bi-monthly
Real estate debt fund		16,179		—		16,179		—	Monthly
Other		4,921		—		4,921		655	Not eligible
	$	414,845	$	—	$	414,845	$	87,591

Fair Value of Financial Instruments

Fair value is defined as the price at which to sell an asset or transfer a liability (i.e. the “exit price”) in an orderly transaction between market participants. The Company uses a fair value hierarchy that gives the highest priority to quoted prices in active markets and the lowest priority to unobservable data. The hierarchy is broken down into three levels as follows:

• Level 1 — Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to access. Valuation adjustments and block discounts are not applied to Level 1 instruments.

• Level 2 — Valuations based on quoted prices in active markets for similar assets or liabilities, quoted prices for identical assets or liabilities in inactive markets, or for which significant inputs are observable (e.g. interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.

• Level 3 — Valuations based on inputs that are unobservable and significant to the overall fair value measurement. The unobservable inputs reflect the Company’s own judgment about assumptions that market participants might use.

The following is a summary of valuation techniques or models the Company uses to measure fair value by asset and liability classes.

Fixed Maturity Investments

The Company’s fixed maturity portfolio is managed by the Company’s Chief Investment Officer and outside investment advisors with oversight from the Company’s Investment Committee. Fair values for all securities in the fixed maturities portfolio are independently provided by the investment custodians, investment accounting service providers and investment managers, each of which utilize internationally recognized independent pricing services. Interactive Data Corporation is, however, the main pricing service utilized to estimate the fair value measurements for the Company’s fixed maturity investments. The Company records the unadjusted price provided by the investment custodians, investment accounting service providers or the investment managers and validates this price through a process that includes, but is not limited to: (i) comparison of prices against alternative pricing sources; (ii) quantitative analysis (e.g. comparing the quarterly return for each managed portfolio to its target benchmark); (iii) evaluation of methodologies used by external parties to

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estimate fair value, including a review of the inputs used for pricing; and (iv) comparing the price to the Company’s knowledge of the current investment market. The Company’s internal price validation procedures and review of fair value methodology documentation provided by independent pricing services have not historically resulted in adjustment in the prices obtained from the pricing service.

The independent pricing services used by the investment custodians, investment accounting service providers and investment managers obtain actual transaction prices for securities that have quoted prices in active markets. For determining the fair value of securities that are not actively traded, in general, pricing services use “matrix pricing” in which the independent pricing service uses observable market inputs including, but not limited to, reported trades, benchmark yields, broker-dealer quotes, interest rates, prepayment speeds, default rates and such other inputs as are available from market sources to determine a reasonable fair value. In addition, pricing services use valuation models, using observable data, such as an Option Adjusted Spread model, to develop prepayment and interest rate scenarios. The Option Adjusted Spread model is commonly used to estimate fair value for securities such as mortgage-backed and asset-backed securities.

The following describes the techniques generally used to determine the fair value of the Company’s fixed maturity investments by asset class.

• U.S. government and agency securities consist of securities issued by the U.S. Treasury and mortgage pass-through agencies such as the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and other agencies. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades and broker-dealer quotes. These are considered to be observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Non-U.S. government securities consist of bonds issued by non-U.S. governments and agencies along with supranational organizations. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades and broker-dealer quotes. These are considered to be observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Corporate securities consist primarily of investment-grade debt of a wide variety of corporate issuers and industries. The fair values of these securities are determined using the spread above the risk-free yield curve, reported trades, broker-dealer quotes, benchmark yields, and industry and market indicators. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2. Where pricing is unavailable from pricing services, the Company obtains non-binding quotes from broker-dealers. This is generally the case when there is a low volume of trading activity and current transactions are not orderly. In this event, securities are classified within Level 3. As at December 31, 2013, the Company had one corporate security classified as Level 3.

• Municipal securities consist primarily of bonds issued by U.S.-domiciled state and municipal entities. The fair values of these securities are determined using the spread above the risk-free yield curve, reported trades, broker-dealer quotes and benchmark yields. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Asset-backed securities consist primarily of investment-grade bonds backed by pools of loans with a variety of underlying collateral. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades, benchmark yields, broker-dealer quotes, prepayment speeds and default rates. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

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• Residential and commercial mortgage-backed securities include both agency and non-agency originated securities. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades, benchmark yields, broker-dealer quotes, prepayment speeds and default rates. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2. Where pricing is unavailable from pricing services, the Company obtains non-binding quotes from broker-dealers. This is generally the case when there is a low volume of trading activity and current transactions are not orderly. In this event, securities are classified within Level 3. As at December 31, 2013, the Company had no residential or commercial mortgage-backed securities classified as Level 3.

Equities

The Company’s equities are predominantly traded on the major exchanges and are primarily managed by two external advisors. The Company uses Interactive Data Corporation, an internationally recognized pricing service, to estimate the fair value for all of its equities. The Company’s equities are widely diversified and there is no significant concentration in any specific industry.

The Company has categorized all of its investments in equities as Level 1 investments because the fair values of these investments are based on quoted prices in active markets for identical assets or liabilities. Because their fair value estimates are based on observable market data, the Company has categorized its investments in preferred stock as Level 2, with the exception of one investment in preferred stock that has been categorized as Level 3.

Other investments

The Company has ongoing due diligence processes with respect to funds in which it invests and their managers. These processes are designed to assist the Company in assessing the quality of information provided by, or on behalf of, each fund and in determining whether such information continues to be reliable or whether further review is warranted. Certain funds do not provide full transparency of their underlying holdings; however, the Company obtains the audited financial statements for funds annually, and regularly reviews and discusses the fund performance with the fund managers to corroborate the reasonableness of the reported net asset values. The use of net asset value as an estimate of the fair value for investments in certain entities that calculate net asset value is a permitted practical expedient. While reported net asset value is the primary input to the review, when the net asset value is deemed not to be indicative of fair value, the Company may incorporate adjustments to the reported net asset value (and not use the permitted practical expedient) on an investment by investment basis. These adjustments may involve significant management judgment. As at December 31, 2013, there were no significant adjustments made to the reported net asset value.

For its investments in private equity funds, the Company measures fair value by obtaining the most recently provided capital statement from the external fund manager or third-party administrator. The funds calculate net asset value on a fair value basis. For all publicly-traded companies within these funds, the Company adjusts the reported net asset value based on the latest share price as of the Company’s reporting date. The Company has classified its investments in private equity funds as Level 3.

The fixed income funds and equity funds in which the Company invests have been classified as Level 2 investments because their fair value is estimated using the published net asset value and because the fixed income funds and equity funds are highly liquid.

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For its investments in fixed income hedge funds, the Company measures fair value by obtaining the most recently published net asset value as advised by the external fund manager or third-party administrator. The investments in the funds are classified as Level 3.

The real estate debt fund in which the Company invests has been valued based on the most recent published net asset value. This investment has been classified as Level 3.

The Company’s remaining other investments are valued based on the latest available capital statements and have been classified as Level 3.

Fair Value Measurements

In accordance with the provisions of the Fair Value Measurement and Disclosure topic of the FASB Accounting Standards Codification (“ASC”) 820, the Company has categorized its investments that are recorded at fair value among levels as follows:

	December 31, 2013
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	468,289	$	—	$	468,289
Non-U.S. government		—		562,516		—		562,516
Corporate		—		2,200,970		609		2,201,579
Municipal		—		41,034		—		41,034
Residential mortgage-backed		—		235,964		—		235,964
Commercial mortgage-backed		—		114,637		—		114,637
Asset-backed		—		285,066		—		285,066
Equities — U.S.		97,470		13,090		4,725		115,285
Equities — International		35,677		31,071		—		66,748
Other investments		—		303,724		265,569		569,293
Total investments	$	133,147	$	4,256,361	$	270,903	$	4,660,411

	December 31, 2012
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	366,863	$	—	$	366,863
Non-U.S. government		—		389,578		—		389,578
Corporate		—		1,715,330		540		1,715,870
Municipal		—		20,446		—		20,446
Residential mortgage-backed		—		120,092		—		120,092
Commercial mortgage-backed		—		131,329		—		131,329
Asset-backed		—		79,264		—		79,264
Equities — U.S.		83,947		5,058		3,401		92,406
Equities — International		10,377		11,805		—		22,182
Other investments		—		212,115		202,730		414,845
Total investments	$	94,324	$	3,051,880	$	206,671	$	3,352,875

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The following table presents the Company’s fair value hierarchy for those assets classified as held-to-maturity in the consolidated balance sheet but for which disclosure of the fair value is required as of December 31, 2013 (there were no assets classified as held-to-maturity as of December 31, 2012):

	December 31, 2013
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	18,132	$	—	$	18,132
Non-U.S. government		—		22,327		—		22,327
Corporate		—		759,100		—		759,100
Total investments	$	—	$	799,559	$	—	$	799,559

During 2013 and 2012, the Company had no transfers between Levels 1 and 2.

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the twelve months ended December 31, 2013:

	Fixed Maturity Investments		Other Investments			Equity Securities		Total
Level 3 investments as of January 1, 2013	$	540	$	202,730		$	3,401	$	206,671
Purchases		—		44,032			—		44,032
Sales		—		(28,568	)		—		(28,568	)
Total realized and unrealized gains through earnings		69		47,375			1,324		48,768
Net transfers into and/or (out of) Level 3		—		—			—		—
Level 3 investments as of December 31, 2013	$	609	$	265,569		$	4,725	$	270,903

The amount of net gains (losses) for the twelve months ended December 31, 2013 included in earnings attributable to the fair value of changes in assets still held at December 31, 2013 was $48.8 million. All of this amount was included in net realized and unrealized gains.

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the year ended December 31, 2012:

	Fixed Maturity Investments		Other Investments			Equity Securities		Total
Level 3 investments as of January 1, 2012	$	519	$	137,727		$	2,975	$	141,221
Purchases		—		63,732			—		63,732
Sales		—		(16,839	)		—		(16,839	)
Total realized and unrealized gains through earnings		21		18,110			426		18,557
Net transfers into and/or (out of) Level 3		—		—			—		—
Level 3 investments as of December 31, 2012	$	540	$	202,730		$	3,401	$	206,671

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The amount of net gains (losses) for the twelve months ended December 31, 2012 included in earnings attributable to the fair value of changes in assets still held at December 31, 2012 was $18.6 million. All of this amount was included in net realized and unrealized gains.

Net Realized and Unrealized Gains

Components of net realized and unrealized gains (losses) for the years ended December 31, 2013, 2012 and 2011 were as follows:

	2013			2012			2011
Gross realized gains on available-for-sale securities	$	705		$	5,850		$	808
Gross realized losses on available-for-sale securities		(214	)		(727	)		(471	)
Net realized gains on trading securities		13,488			13,569			3,738
Net unrealized (losses) gains on trading securities		(13,791	)		23,541			3,945
Net realized and unrealized gains on other investments		70,463			31,379			1,194
Net realized and unrealized gains	$	70,651		$	73,612		$	9,214
Proceeds from sales and maturities of available-for-sale securities	$	196,507		$	353,913		$	445,052

Net Investment Income

Major categories of net investment income for the years ended December 31, 2013, 2012 and 2011 are summarized as follows:

	2013			2012			2011
Interest from fixed maturity investments	$	123,555		$	78,767		$	70,753
Interest from cash and cash equivalents and short-term investments		13,705			14,924			13,232
Net amortization of bond premiums and discounts		(51,505	)		(28,758	)		(25,245	)
Dividends from equities		4,923			2,961			1,786
Other investments		652			661			734
Interest on other receivables		2,001			6,887			6,572
Other income		2,999			5,229			3,118
Interest on deposits held with clients		3,650			1,368			1,188
Investment expenses		(6,685	)		(4,279	)		(3,462	)
	$	93,295		$	77,760		$	68,676

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Restricted Assets

The Company is required to maintain investments and cash and cash equivalents on deposit with various regulatory authorities to support its insurance and reinsurance operations. The investments and cash and cash equivalents on deposit are available to settle insurance and reinsurance liabilities. The Company also utilizes trust accounts to collateralize business with its insurance and reinsurance counterparties. These trust accounts generally take the place of letter of credit requirements. The assets in trusts as collateral are primarily highly rated fixed maturity securities. The carrying value of the Company’s restricted assets, including restricted cash of $397.7 million and $300.0 million, as of December 31, 2013 and December 31, 2012 was as follows:

	December 31 2013		December 31, 2012
Collateral in trust for third party agreements	$	2,002,374	$	570,391
Assets on deposit with regulatory authorities		608,940		212,012
Collateral for secured letter of credit facility		310,938		246,608
	$	2,922,252	$	1,029,011

The increase of approximately $1.89 billion in restricted assets related primarily to restricted assets acquired in connection with the Company’s acquisitions of SeaBright, Pavonia, Arden and Atrium.

6.    DERIVATIVE INSTRUMENTS

The Company uses foreign currency forward contracts as part of its overall foreign currency risk management strategy or to obtain exposure to a particular financial market, as well as for yield enhancement. These derivatives were not designated as hedging investments.

The following table sets forth the estimated fair value of derivative instruments recorded within other assets on the condensed consolidated balance sheet as at December 31, 2013 and 2012, and realized gains (losses) on derivative instruments recorded in net earnings for the years ended December 31, 2013, 2012 and 2011:

Foreign Exchange Forward Contract	Contract Date		Settlement Date		Contract Amount		Settlement Amount		Fair Value as at December 31,			Net Foreign Exchange Gains  (Losses)
2013
Australian dollar		November 26, 2013		January 3, 2014		AU$45,000		$41,036	$	779		$	779
U.S. dollar		July 1, 2013		January 3, 2014		$40,887		AU$45,000		(630	)		(630	)
Australian dollar		February 8, 2012		May 10, 2013		AU$45,000		$36,099		—			303
British pound		March 6, 2012		March 6, 2013		UKP17,000		$26,611		—			1,023
									$	149		$	1,475
2012
Australian dollar		February 8, 2012		May 10, 2013		AU$35,000		$36,099	$	(238	)	$	(238	)
British pound		March 6, 2012		March 6, 2013		UKP17,000		$26,611		(1,023	)		(1,023	)
Australian dollar		February 8, 2012		December 19, 2012		AU$25,000		$26,165		—			—
									$	(1,261	)	$	(1,261	)
2011
U.S. dollar		September 22, 2011		December 2, 2011		$33,973		AU$35,000	$	—		$	3,008
Australian dollar		August 23, 2011		December 2, 2011		AU$35,000		$36,981		—			—
Australian dollar		October 12, 2010		June 30, 2011		AU$45,000		$42,476		—			(1,917	)
									$	—		$	1,091

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7.    REINSURANCE BALANCES RECOVERABLE

	2013										2012
	Non-life Run-off			Active Underwriting		Life		Total			Non-life Run-off			Active Underwriting		Life		Total
Recoverable from reinsurers on:
Outstanding losses	$	788,705		$	10,777	$	28,556	$	828,038		$	665,303		$	—	$	—	$	665,303
Losses incurred but not reported		402,675			9,887		782		413,344			295,922			—		—		295,922
Fair value adjustments		(69,847	)		4,391		—		(65,456	)		(85,005	)		—		—		(85,005	)
Total reinsurance reserves recoverable		1,121,533			25,055		29,338		1,175,926			876,220			—		—		876,220
Paid losses recoverable		177,459			7,845		2,589		187,893			246,408			—		291		246,699
	$	1,298,992		$	32,900	$	31,927	$	1,363,819		$	1,122,628		$	—	$	291	$	1,122,919

Non-life Run-off and Active Underwriting

The Company’s acquired insurance and reinsurance subsidiaries, prior to acquisition, used retrocessional agreements to reduce their exposure to the risk of insurance and reinsurance assumed. The Company’s insurance and reinsurance subsidiaries remain liable to the extent that retrocessionaires do not meet their obligations under these agreements, and therefore, the Company evaluates and monitors concentration of credit risk among its reinsurers. Provisions are made for amounts considered potentially uncollectible.

On an annual basis, Atrium purchases a tailored outwards reinsurance program designed to manage S609’s risk profile. In addition, Atrium maintains a quota share reinsurance agreement with Arden. The majority of Atrium’s total third party reinsurance cover is with Lloyd’s syndicates or other reinsurers rated A- or better.

The fair value adjustments, determined on acquisition of insurance and reinsurance subsidiaries, are based on the estimated timing of loss and loss adjustment expense recoveries and an assumed interest rate equivalent to a risk free rate for securities with similar duration to the reinsurance recoverables acquired plus a spread to reflect credit risk, and are amortized over the estimated recovery period, as adjusted for accelerations in timing of payments as a result of commutation settlements.

As of December 31, 2013 and 2012, the Company had, excluding reinsurance recoverables related to its life and annuities, reinsurance balances recoverable of $1.33 billion and $1.12 billion, respectively. The increase of $208.9 million in reinsurance balances recoverable was primarily a result of the completion of acquisitions in the year ended December 31, 2013 partially offset by commutations and cash collections made during the year.

At December 31, 2013 and 2012, the provision for uncollectible reinsurance recoverable relating to reinsurance balances recoverable was $338.6 million and $343.9 million, respectively. To estimate the provision for uncollectible reinsurance recoverable, the balances are first allocated to applicable reinsurers which involve management judgment. As part of this process, ceded incurred but not reported (“IBNR”) reserves are allocated by reinsurer. The ratio of the provision for uncollectible reinsurance recoverable to total non-life run-off and active underwriting reinsurance balances recoverable (excluding provision for uncollectible reinsurance recoverable) as of December 31, 2013 decreased to 19.9% as compared to 23.4% as of December 31, 2012,

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primarily as a result of reinsurance balances recoverable of companies acquired during the year requiring minimal provisions for uncollectible reinsurance recoverable.

Life and Annuities

As at December 31, 2013, the reinsurance balances recoverable associated with the Company’s life and annuities business amounting to $31.9 million consisted of term life business ceded by Pavonia to reinsurers under various quota share arrangements. All of the reinsurers are rated A- and above by a major rating agency.

Top Ten Reinsurers

At December 31, 2013 and 2012, the top ten reinsurers of the Company’s business accounted for 68.3% and 63.1%, respectively, of total reinsurance balances recoverable (which includes loss reserves recoverable and recoverables on paid losses) and included $290.1 million and $194.5 million, respectively, of IBNR reserves recoverable. With the exception of one BBB+ rated reinsurer and one non-rated reinsurer from which $41.4 million and $256.2 million, respectively, was recoverable (December 31, 2012: $37.7 million and $nil, respectively), the other top ten reinsurers, as at December 31, 2013 and 2012, were all rated A- or better. Reinsurance balances recoverable by reinsurer were as follows:

	2013					2012
	Reinsurance Recoverables		% of Total			Reinsurance Recoverables		% of Total
Top 10 reinsurers	$	930,943		68.3	%	$	708,953		63.1	%
Other reinsurers’ balances > $1 million		423,013		31.0	%		409,666		36.5	%
Other reinsurers’ balances < $1 million		9,863		0.7	%		4,300		0.4	%
Total	$	1,363,819		100.0	%	$	1,122,919		100.0	%

As at December 31, 2013 and 2012, reinsurance balances recoverable with a carrying value of $256.2 million and $144.1 million, respectively, were associated with one reinsurer, which represented 10% or more of total reinsurance balances recoverable. Of the $256.2 million and $144.1 million recoverable from reinsurers at December 31, 2013 and 2012, $256.2 million and $121.7 million, respectively, were secured in a trust account held for the benefit of the Company’s insurance and reinsurance subsidiaries.

8.    LOSSES AND LOSS ADJUSTMENT EXPENSES

	2013								2012
	Non-life Run-off			Active Underwriting		Total			Non-life Run-off			Active Underwriting		Total
Outstanding	$	2,541,934		$	79,826	$	2,621,760		$	2,358,329		$	—	$	2,358,329
Incurred but not reported		1,717,870			98,583		1,816,453			1,588,310			—		1,588,310
Fair value adjustment		(255,291	)		36,983		(218,308	)		(296,512	)		—		(296,512	)
	$	4,004,513		$	215,392	$	4,219,905		$	3,650,127		$	—	$	3,650,127

The liability for losses and loss adjustment expenses includes an amount determined from reported claims and amount based on historical loss experience and industry statistics for losses incurred but not reported using a variety of actuarial methods. The Company’s loss reserves cover multiple lines of business, which include workers compensation, general casualty, asbestos and environmental, marine, aviation and transit, construction defects and other non-life lines of business.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The reserves for unpaid reported losses and loss adjustment expenses for Atrium are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by the Company. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

In establishing the reserves for losses and loss adjustment expenses related to asbestos and environmental claims, management considers facts currently known and the current state of the law and coverage litigation. Liabilities are recognized for known claims (including the cost of related litigation) when sufficient information has been developed to indicate the involvement of a specific insurance policy, and management can reasonably estimate its liability. In addition, reserves have been established to cover additional exposures on both known and unreported claims. Estimates of the reserves are reviewed and updated continually. Developed case law and adequate claim history do not exist for such claims, especially because significant uncertainty exists about the outcome of coverage litigation and whether past claim experience will be representative of future claim experience.

In view of the changes in the legal and tort environment that affect the development of such claims, the uncertainties inherent in valuing asbestos and environmental claims are not likely to be resolved in the near future. Ultimate values for such claims cannot be estimated using traditional reserving techniques and there are significant uncertainties in estimating the amount of the Company’s potential losses for these claims.

There can be no assurance that the reserves established by the Company will be adequate or will not be adversely affected by the development of other latent exposures. The Company’s liability for unpaid losses and loss adjustment expenses as of December 31, 2013 and 2012 included $467.7 million and $557.6 million, respectively, that represented an estimate of its net ultimate liability for asbestos and environmental claims. The gross liability for such claims as at December 31, 2013 and 2012 was $524.1 million and $628.7 million, respectively.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The tables below provide a reconciliation of the beginning and ending reserves for losses and loss adjustment expenses for the years ended December 31, 2013, 2012 and 2011, split between the non-life run-off segment and the active underwriting segment, was as follows (losses incurred and paid are reflected net of reinsurance recoverables):

Non-Life Run-off Segment

	Non-Life Run-off
	2013			2012			2011
Balance as at January 1(1)	$	3,650,127		$	4,272,082		$	3,291,275
Less: total reinsurance reserves recoverable		876,220			1,383,003			525,440
		2,773,907			2,889,079			2,765,835
Net increase (reduction) in ultimate losses and loss adjustment expense liabilities:
Current period		74,139			—			—
Prior periods		(257,114	)		(237,953	)		(293,461	)
Total net reduction in ultimate losses and loss adjustment expense liabilities		(182,975	)		(237,953	)		(293,461	)
Net losses paid:
Current period		(10,656	)		—			—
Prior periods		(360,214	)		(314,528	)		(288,175	)
Total net losses paid		(370,870	)		(314,528	)		(288,175	)
Effect of exchange rate movement		4,936			14,833			(7,987	)
Acquired on purchase of subsidiaries		557,476			—			600,046
Assumed business		100,506			422,476			112,821
Net balance as at December 31		2,882,980			2,773,907			2,889,079
Plus: total reinsurance reserves recoverable		1,121,533			876,220			1,383,003
Balance as at December 31	$	4,004,513		$	3,650,127		$	4,272,082

(1) The Company reclassified $11.0 million of reserves acquired on the purchase of subsidiaries previously recorded in 2011 to policy benefits for life and annuity contracts. In addition, the Company has reclassified outstanding losses and loss adjustment expenses of $11.0 million and $10.8 million to policy benefits for life and annuity contracts as at January 1, 2013 and 2012, respectively, to conform to the current period presentation. These amounts are associated with Laguna, which now forms part of the Company’s life and annuities segment that was established following the acquisition of the Pavonia companies.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The net reduction (increase) in ultimate losses and loss adjustment expense liabilities for the years ended December 31, 2013, 2012 and 2011 was as follows:

	Non-Life Run-off
	Years Ended December 31,
	2013								2012			2011
	Prior Period			Current Period		Total			Prior Period			Prior Period
Net losses paid	$	360,214		$	10,656	$	370,870		$	314,528		$	288,175
Net change in case and LAE reserves		(310,488	)		29,555		(280,933	)		(265,222	)		(311,614	)
Net change in IBNR reserves		(265,206	)		33,928		(231,278	)		(267,422	)		(224,791	)
(Reduction) increase in estimates of net ultimate losses		(215,480	)		74,139		(141,341	)		(218,116	)		(248,230	)
Increase (reduction) in provisions for bad debt		1,999			—		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—		(49,580	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			—		5,947			22,572			42,693
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities	$	(257,114	)	$	74,139	$	(182,975	)	$	(237,953	)	$	(293,461	)

(1) For the years ended December 31, 2012 and 2011, the Company had no premium income and therefore no current period activity.

Net reduction (increase) in case and loss adjustment expense reserves (“LAE reserves”) comprises the movement during the year in specific case reserve liabilities as a result of claims settlements or changes advised to the Company by its policyholders and attorneys, less changes in case reserves recoverable advised by the Company to its reinsurers as a result of the settlement or movement of assumed claims. Net reduction in IBNR represents the change in the Company’s actuarial estimates of losses incurred but not reported.

Year Ended December 31, 2013

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2013 of $183.0 million included current period incurred losses of $74.1 million related to SeaBright. Excluding SeaBright’s current period incurred losses of $74.1 million, ultimate losses and loss adjustment expenses relating to prior periods were reduced by $257.1 million, which was attributable to a reduction in estimates of net ultimate losses of $215.5 million and a reduction in provisions for unallocated loss adjustment expense liabilities of $49.6 million, relating to 2013 run-off activity, partially offset by an increase in provisions for bad debt of $2.0 million and amortization of fair value adjustments over the estimated payout period relating to companies acquired amounting to $5.9 million.

The reduction in estimates of net ultimate losses relating to prior periods of $215.5 million comprised reductions in IBNR reserves of $265.2 million partially offset by net incurred loss development of $49.7 million. The decrease in the aggregate estimate of net IBNR reserves of $265.2 million (compared to $267.4 million during the year ended December 31, 2012), was comprised of $69.8 million relating to asbestos liabilities (compared to $36.4 million in 2012), $4.9 million relating to environmental liabilities (compared to $2.6 million in 2012), $42.6 million relating to general casualty liabilities (compared to $96.3 million in 2012), $42.1 million relating to workers compensation liabilities (compared to $52.7 million in 2012) and $105.8 million relating to all other remaining liabilities (compared to $79.4 million in 2012).

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The aggregate reduction in net IBNR reserves of $265.2 million, relating to prior periods, was a result of the application, on a basis consistent with the assumptions applied in the prior period, of our actuarial methodologies to revised historical loss development data, following 108 commutations and policy buy-backs, to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2013, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts. The net incurred loss development resulting from settlement of net advised case and LAE reserves of $310.5 million for net paid losses of $360.2 million, related to the settlement of non-commuted losses in the year and 108 commutations and policy buy-backs of assumed and ceded exposures (including the commutation of one of our top ten assumed exposures and one of our top ten ceded recoverables as at January 1, 2013). Net advised case and LAE reserves settled by way of commutation and policy buy-back during the year ended December 31, 2013 amounted to $29.8 million (comprising $97.3 million of assumed case reserves and LAE reserves partially offset by $67.5 million of ceded incurred reinsurance recoverable case reserves).

The increase in aggregate provisions for bad debt of $2.0 million was a result of additional provisions being allowed in the quarter for contractual disputes with reinsurers, offset by cash collections and commutations on certain reinsurance receivables against which bad debt provisions had been provided in earlier periods.

Year Ended December 31, 2012

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2012 of $238.0 million was attributable to a reduction in estimates of net ultimate losses of $218.1 million, a reduction in aggregate provisions for bad debt of $3.1 million and a reduction in estimates of unallocated loss adjustment expense liabilities of $39.3 million, relating to 2012 run-off activity, partially offset by the amortization, over the estimated payout period, of fair value adjustments relating to companies acquired amounting to $22.6 million.

The reduction in estimates of net ultimate losses of $218.1 million comprised net incurred loss development of $49.3 million and reductions in net IBNR reserves of $267.4 million. During the three months ended December 31, 2012, one of the Company’s insurance entities, following an exposure-based review of all advised claims, allocated $52.4 million of net IBNR reserves to specific net case and LAE reserves. Excluding this allocation, net incurred loss development for the year ended December 31, 2012 was a favorable $3.1 million and reductions in net IBNR reserves amounted to $215.0 million. The decrease in the aggregate estimate of net IBNR reserves of $215.0 million, excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves (compared to $224.8 million during the year ended December 31, 2011), was comprised of $36.4 million relating to asbestos liabilities (compared to $57.9 million in 2011), $2.6 million relating to environmental liabilities (compared to $2.8 million in 2011), $96.3 million relating to general casualty liabilities (compared to $91.6 million in 2011), and $79.7 million relating to all other remaining liabilities (compared to $72.5 million in 2011).

The aggregate reduction in net IBNR reserves of $215.0 million was a result of the application, on a basis consistent with the assumptions applied in the prior period, of the Company’s actuarial methodologies to revised historical loss development data, following 101 commutations, to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2012, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts. The net incurred favorable loss

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development, excluding the allocation by one of the Company’s insurance entities of $52.4 million from net IBNR reserves to specific net case and LAE reserves, of $3.1 million, resulting from settlement of net advised case and LAE reserves of $317.6 million for net paid losses of $314.5 million, related to the settlement of non-commuted losses in the year and 101 commutations of assumed and ceded exposures. Net incurred liabilities settled by way of commutation during the year ended December 31, 2012 amounted to $26.6 million (comprising $163.1 million of assumed incurred liabilities partially offset by $136.5 million of ceded incurred reinsurance recoverables) compared to the net aggregate reduction in advised case reserves during the same period of $317.6 million (excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves).

The reduction in aggregate provisions for bad debt of $3.1 million was a result of the collection of certain reinsurance recoverables against which bad debt provisions had been provided in earlier periods.

Year Ended December 31, 2011

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2011 of $293.5 million was attributable to a reduction in estimates of net ultimate losses of $248.2 million, a reduction in aggregate provisions for bad debt of $42.8 million and a reduction in estimates of unallocated loss adjustment expense liabilities of $45.1 million, relating to 2011 run-off activity, partially offset by the amortization, over the estimated payout period, of fair value adjustments relating to companies acquired amounting to $42.7 million.

The reduction in estimates of net ultimate losses of $241.2 million comprised net incurred favorable loss development of $23.4 million and reductions in net IBNR reserves of $224.8 million. The decrease in the aggregate estimate of net IBNR reserves of $224.8 million was comprised of $57.9 million relating to asbestos liabilities, $2.8 million relating to environmental liabilities and $164.1 million relating to all other remaining liabilities. The aggregate reduction in net IBNR reserves of $224.8 million was a result of the application, on a basis consistent with the assumptions applied in the prior period, of the Company’s actuarial methodologies to revised historical loss development data, following 113 commutations (including three commutations completed shortly after December 31, 2011), to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2011, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts.

The net incurred favorable loss development of $23.4 million, resulting from settlement of net advised case and LAE reserves of $311.6 million for net paid losses of $288.2 million, related to the settlement of non-commuted losses in the year and approximately 110 commutations of assumed and ceded exposures, excluding the three commutations completed subsequent to December 31, 2011. Net incurred liabilities settled by way of commutation during the year ended December 31, 2011 (excluding the three commutations completed subsequent to December 31, 2011) amounted to $71.5 million compared to the net reduction in advised case reserves during the same period of $311.6 million.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The reduction in aggregate provisions for bad debt of $42.8 million was a result of the collection, primarily during the three months ended December 31, 2011, of certain reinsurance recoverables against which bad debt provisions had been provided in earlier periods.

Active Underwriting Segment

	2013
	Active Underwriting
Balance as of January 1	$	—
Less: total reinsurance reserves recoverable		—
		—
Acquired on purchase of subsidiaries		200,374
Net increase in ultimate losses and loss adjustment expenses incurred:
Current period		19,303
Net losses paid:
Current period		(30,626	)
Effect of exchange rate movement		1,286
Net balance as of December 31		190,337
Plus: total reinsurance reserves recoverable		25,055
Balance as at December 31	$	215,392

The net increase in ultimate losses and loss adjustment expense liabilities for the active underwriting segment for the year ended December 31, 2013 was as follows:

	Year Ended December 31, 2013
	Prior Period		Current Period			Total
Net losses paid	$	—	$	30,626		$	30,626
Net change in case and LAE reserves		—		(9,621	)		(9,621	)
Net change in IBNR reserves		—		(1,653	)		(1,653	)
Increase in estimates of net ultimate losses		—		19,352			19,352
Reduction in provisions for unallocated loss adjustment expense liabilities		—		(49	)		(49	)
Net increase in ultimate losses and loss adjustment expense liabilities	$	—	$	19,303		$	19,303

9.    POLICY BENEFITS FOR LIFE AND ANNUITY CONTRACTS

The Company has entered into long duration contracts that subject the Company to mortality, longevity and morbidity risks and which are accounted for as life and annuity premiums earned. Life and annuity benefit reserves are established using assumptions for investment yields, mortality, morbidity, lapse and expenses, including a provision for adverse deviation. The Company establishes and reviews its life and annuity reserves regularly based upon cash flow projections. The Company establishes and maintains its life and annuity reinsurance reserves at a level that the Company estimates will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable. The

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assumptions used to determine policy benefit reserves are best estimate assumptions that are locked-in throughout the life of the contract unless a premium deficiency develops. The assumptions are reviewed no less than annually and are unlocked if they result in a material reserve change. The Company establishes these estimates based upon transaction specific historical experience, information provided by the ceding company and industry experience studies. Actual results could differ materially from these estimates. As the experience on the contracts emerges, the assumptions are reviewed by management. The Company determines whether actual and anticipated experience indicates that existing policy reserves, together with the present value of future gross premiums, are sufficient to cover the present value of future benefits, settlement and maintenance costs. If such a review produces reserves in excess of those currently held then the lock-in assumptions are revised and an additional life and annuity benefit reserve is recognized at that time.

Policy benefits for life and annuity contracts as at December 31, 2013 and 2012 were as follows:

	2013			2012
Life	$	380,874		$	11,027
Annuities		963,323			—
		1,344,197			11,027
Fair value adjustments		(71,097	)		—
	$	1,273,100		$	11,027

10.    PREMIUMS WRITTEN AND EARNED

The following tables provide a summary of net premiums written and earned in our non-life run-off, active underwriting and life and annuities segments for the years ended December 31, 2013, 2012 and 2011:

	2013						2012				2011
	Premiums Written			Premiums Earned			Premiums Written		Premiums Earned		Premiums Written		Premiums Earned
Non-life run-off
Direct	$	17,250		$	121,986		$	—	$	—	$	—	$	—
Assumed		(3,084	)		2,276			—		—		—		—
Ceded		(4,933	)		(11,651	)		—		—		—		—
Net	$	9,233		$	112,611		$	—	$	—	$	—	$	—
Active underwriting
Direct		10,214			12,416		$	—	$	—	$	—	$	—
Assumed		19,890			19,796			—		—		—		—
Ceded		—			—			—		—		—		—
Net	$	30,104		$	32,212		$	—	$	—	$	—	$	—
Life and annuities
Life	$	63,856		$	94,984		$	3,511	$	3,511	$	3,543	$	3,543

Non-life run-off

Net premiums written and earned by SeaBright totaled $9.2 million and $112.6 million from the date of acquisition to December 31, 2013, respectively. Now that SeaBright’s exit from the mandatory renewal process

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has been approved, the Company expects that SeaBright will no longer generate premiums written other than for small adjustments related to premium audits and reinstatement premiums on previously written policies. As at December 31, 2013, SeaBright had total unearned premiums of $1.2 million.

Active underwriting

Net premiums written and earned by Atrium and Arden combined totaled $30.1 million and $32.2 million, respectively, from their dates of acquisition to December 31, 2013. As at December 31, 2013, Atrium and Arden had total unearned premiums of $59.5 million and $6.3 million, respectively.

Life and annuities

Life and annuity premiums written by the Company’s life and annuities segment totaled $63.9 million, $3.5 million and $3.5 million for the years ended December 31, 2013, 2012 and 2011, respectively, and net earned premiums, over the same periods, totaled $95.0 million, $3.5 million and $3.5 million, respectively. The Company’s life companies continue to collect premiums in relation to the unexpired policies assumed on acquisition. As at December 31, 2013, Pavonia had total unearned premiums of $3.7 million.

For the year ended December 31, 2013, the Company’s life and annuities segment consisted of both Pavonia and Laguna, while for the years ended December 31, 2012 and 2011, it consisted of Laguna only.

11.    RETROSPECTIVELY RATED CONTRACTS

On October 1, 2003, SeaBright began selling workers’ compensation insurance policies for which the premiums varied based on loss experience. Accrued retrospective premiums are determined based upon the loss experience of business subject to such experience rating adjustment, and are determined by and allocated to individual policyholder accounts. Accrued retrospective premiums are recorded as additions to written or earned premium, and return retrospective premiums are recorded as reductions from written or earned premium. During the period from February 7, 2013, the date of acquisition, to December 31, 2013, none of the Company’s direct premiums written related to retrospectively rated contracts. The Company has recorded $8.8 million for retrospective premiums receivable and $27.5 million for return retrospective premiums payable as at December 31, 2013.

12.    GOODWILL AND INTANGIBLE ASSETS

The following tables show the Company’s goodwill and intangible assets as at December 31, 2013 and 2012:

2013	Goodwill		Intangible assets with a definite life-Other		Intangible assets with an indefinite life		Total		Intangible assets with a definite life-FVA
Balance as at January 1, 2013	$	21,222	$	—	$	—	$	21,222	$	211,507
Acquired during the year		38,848		27,000		63,000		128,848		33,623
Intangible assets amortization		—		—		—		—		(21,183	)
Balance as at December 31, 2013	$	60,070	$	27,000	$	63,000	$	150,070	$	223,947

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2012	Goodwill		Intangible assets with a definite life-Other		Intangible assets with an indefinite life		Total		Intangible assets with a definite life-FVA
Balance as at January 1, 2012	$	21,222	$	—	$	—	$	21,222	$	243,904
Acquired during the year		—		—		—		—		(9,825	)
Intangible assets amortization		—		—		—		—		(22,572	)
Balance as at December 31, 2012	$	21,222	$	—	$	—	$	21,222	$	211,507

Intangible assets with a definite life include:

(i) Fair value adjustments (“FVA”) relate to outstanding losses and loss adjustment expenses, policy benefits for life and annuity contracts and reinsurance recoverables and are included as a component of each balance sheet line item. FVA are amortized in proportion to future premiums for policy benefits for life and annuity contracts and over the estimated payout or recovery period for outstanding losses and loss adjustment expenses and reinsurance recoverables; and

(ii) Other intangible assets relate to the values associated with the distribution channel and brand related to the Company’s acquisition of Atrium. These assets will be amortized on a straight-line basis a over a period of ten to fifteen years.

Intangible asset amortization during the years ended December 31, 2013, 2012 and 2011 totaled $21.2 million, $22.6 million and $42.7 million, respectively

The gross carrying value, accumulated amortization and net carrying value of intangible assets by type at December 31, 2013 and 2012 were as follows:

	2013									2012
	Gross Carrying Value			Accumulated Amortization			Net Carrying Value			Gross Carrying Value			Accumulated Amortization			Net Carrying Value
Intangible assets with a definite life:
Fair value adjustments:
Losses and loss adjustment expense	$	500,485		$	(282,178	)	$	218,307		$	552,455		$	(255,943	)	$	296,512
Reinsurance balances recoverable		(179,116	)		113,659			(65,457	)		(178,377	)		93,372			(85,005	)
Policy benefits for life and annuity contracts		86,332			(15,235	)		71,097			—			—			—
Total		407,701			(183,754	)		223,947			374,078			(162,571	)		211,507
Other::
Distribution channel		20,000			—			20,000			—			—			—
Brand		7,000			—			7,000			—			—			—
Total		27,000			—			27,000			—			—			—
Total intangible assets with a definite life		434,701			(183,754	)		250,947			374,078			(162,571	)		211,507
Intangible assets with an indefinite life:
Lloyd’s syndicate capacity		32,900			—			32,900			—			—			—
Management contract		30,100			—			30,100			—			—			—
Total intangible assets	$	497,701		$	(183,754	)	$	313,947		$	374,078		$	(162,571	)	$	211,507

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

At December 31, 2013 the allocation of the goodwill to the Company’s non-life run-off and active underwriting segments was $21.2 million and $38.8 million, respectively, as compared to $21.2 million and $nil as at December 31, 2012.

The estimated amortization expense for each of the five succeeding fiscal years related to the Company’s intangible assets with a definite life for each segment is as follows:

Year	Non-life Run-off		Active Underwriting			Life and Annuities		Total
2014	$	23,485	$	(5,693	)	$	9,271	$	27,063
2015		19,246		(5,626	)		8,249		21,869
2016		16,376		(3,384	)		7,373		20,365
2017		14,569		(1,779	)		6,862		19,652
2018		12,940		(573	)		6,132		18,499
Total	$	86,616	$	(17,055	)	$	37,887	$	107,448

13.    LOANS PAYABLE

The Company’s loans payable consist of loan facilities used to partially finance certain of the Company’s acquisitions or significant new business transactions and its Revolving Credit Facility (the “EGL Revolving Credit Facility”), which can be used for permitted acquisitions and general corporate purposes. The Company’s credit facilities related to the Company’s 2011 acquisition of Clarendon National Insurance Company (the “Clarendon Facility”) and its term facility related to the 2013 acquisition of SeaBright (the “SeaBright Facility”). Until they were fully repaid on December 3, 2012, the Company also had loans outstanding related to share repurchase agreements with three of its executives and certain trusts and a corporation affiliated with the executives.

For the years ended December 31, 2013, 2012 and 2011, the Company incurred interest expense of $12.4 million, $8.4 million and $8.5 million, respectively, on its loan facilities and loans related to the share repurchase agreements. All of the Company’s currently outstanding loan facilities are floating rate loans, and the fair values of these loans approximate their book values.

Amounts of loans payable outstanding, and accrued interest, as of December 31, 2013 and 2012 total $452.4 million and $107.4 million, respectively, and comprise:

Facility	Date of Facility		Facility Term		December 31, 2013		December 31, 2012
EGL Revolving Credit Facility		July 8, 2013		5 Years	$	258,800	$	—
SeaBright Facility		December 21, 2012		3 Years		111,000		—
Clarendon Facility		July 12, 2011		4 Years		78,995		106,500
						448,795		106,500
Accrued interest						3,651		930
Total loans payable					$	452,446	$	107,430

Amendment and Restatement of EGL Revolving Credit Facility

On July 8, 2013, the Company, and certain of its subsidiaries, as borrowers, as well as certain of its subsidiaries, as guarantors, entered into an amendment and restatement of its existing Revolving Credit Facility

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Agreement with National Australia Bank Limited (“NAB”) and Barclays Bank PLC (“Barclays”), as mandated lead arrangers, NAB, Barclays and Royal Bank of Canada, as original lenders, and NAB as agent (the “Restated Credit Agreement”). The Restated Credit Agreement provides for a five-year EGL Revolving Credit Facility (expiring in July 2018) pursuant to which the Company is permitted to borrow up to an aggregate of $375.0 million, which is available to fund permitted acquisitions and for general corporate purposes. The previously existing Revolving Credit Facility Agreement had provided for a three-year $250.0 million facility that was set to terminate in June 2014. The Company’s ability to draw on the EGL Revolving Credit Facility is subject to customary conditions.

The EGL Revolving Credit Facility is secured by a first priority lien on the stock of certain of the Company’s subsidiaries and certain bank accounts held with Barclays in the name of the Company and into which amounts received in respect of any capital release from certain of the Company’s subsidiaries are required to be paid. Interest is payable at the end of each interest period chosen by the Company or, at the latest, each six months. The interest rate is LIBOR plus 2.75%, plus an incremental amount tied to certain regulatory costs, if any, that may be incurred by the lenders. Any unused portion of the EGL Revolving Credit Facility will be subject to a commitment fee of 1.10%. The EGL Revolving Credit Facility imposes various financial and business covenants on the Company, the guarantors and certain other material subsidiaries, including limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to dispositions of stock and assets, restrictions on dividends and limitations on liens. As of December 31, 2013 all of the financial covenants relating to the EGL Revolving Credit Facility were met.

During the existence of any event of default (as specified in the Restated Credit Agreement), the agent may cancel the commitments of the lenders, declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of outstanding amounts payable upon demand or proceed against the security. During the existence of any payment default, the interest rate would be increased by 1.0%. The EGL Revolving Credit Facility terminates and all amounts borrowed must be repaid on the fifth anniversary of the date of the Restated Credit Agreement.

During 2013, the Company borrowed $258.8 million under the EGL Revolving Credit Facility to fund certain acquisitions and for general corporate purposes. The interest rate on these borrowings was approximately 2.9%, subject to periodic adjustment in accordance with the terms of the EGL Revolving Credit Facility.

Clarendon Facility

On March 4, 2011, the Company, through Clarendon Holdings, Inc., entered into a $106.5 million term facility agreement (the “Clarendon Facility”) with NAB. The Clarendon Facility provides a four-year term loan facility, which was fully drawn upon on July 12, 2011 to fund 50% of the purchase price of Clarendon.

The Clarendon Facility is secured by a security interest in all of the assets of Clarendon Holdings, Inc., as well as a first priority lien on the stock of both Clarendon Holdings, Inc. and Clarendon. Interest is payable at the end of each interest period chosen by Clarendon Holdings, Inc. or, at the latest, each six months. The interest rate is LIBOR plus 2.75%. The Clarendon Facility is subject to various financial and business covenants, including limitations on mergers and consolidations, restrictions as to disposition of stock and limitations on liens on the stock. As of December 31, 2013, all of the financial covenants relating to the Clarendon Facility were met.

During the existence of any payment default, the interest rate is increased by 1.0%. During the existence of any event of default (as specified in the term facility agreement), the lenders may declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of borrowed amounts payable upon demand, or proceed against the security. The Clarendon Facility terminates and all amounts borrowed must be repaid on July 12, 2015.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

On July 31, 2013, the Company repaid $27.5 million of the outstanding principal on its Clarendon Facility reducing the outstanding principal as of December 31, 2013 to $79.0 million.

SeaBright Facility

On December 21, 2012, the Company, through AML Acquisition, Corp. (“AML Acquisition”), entered into a Term Facility Agreement with NAB and Barclays (the “SeaBright Facility”). The SeaBright Facility provides a four-year term loan facility, which AML Acquisition fully drew down on February 5, 2013 in an amount of $111.0 million to partially fund the Company’s acquisition of SeaBright Holdings, Inc. (“SeaBright”). The Company acquired SeaBright on February 7, 2013 by way of a merger of AML Acquisition with and into SeaBright (the “Merger”), with SeaBright surviving the Merger as an indirect, wholly-owned subsidiary of the Company.

Following completion of the Merger, SeaBright (as the survivor of the Merger) became the borrower under the SeaBright Facility and the facility became secured by a security interest in all of the assets of SeaBright, a pledge of the stock of SeaBright by its sole stockholder, a pledge of the stock of SeaBright Insurance Company, Paladin Managed Care Services, Inc., and PointSure Insurance Services, Inc. (which are wholly-owned subsidiaries of SeaBright) by SeaBright, and a security interest in all of the assets of Paladin Managed Care Services, Inc. and PointSure Insurance Services, Inc.

From the date of the SeaBright Facility until the draw down on February 5, 2013, the undrawn and uncancelled amount of the SeaBright Facility incurred a fee of 1% per annum. Interest on amounts borrowed under the SeaBright Facility is payable at the end of each interest period chosen by the borrower or, at the latest, each six months. The interest rate is LIBOR plus 2.75% for the first 18 months from February 5, 2013 and increases to LIBOR plus 3.50% thereafter; the interest rate is subject to increase by an incremental amount tied to certain regulatory costs, if any, that may be incurred by the lenders. The SeaBright Facility imposes various financial and business covenants on SeaBright, including limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to dispositions of stock and assets (except for certain permitted dispositions), restrictions on dividends, and limitations on liens. As at December 31, 2013, all of the financial covenants relating to the SeaBright Facility were met.

During the existence of any payment default, the interest rate would be increased by 1.0%. During the existence of any event of default (as specified in the SeaBright Facility), the lenders may cancel their commitments, declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of borrowed amounts payable upon demand, or proceed against the security. The SeaBright Facility terminates and all amounts borrowed must be repaid on December 21, 2016, the fourth anniversary of the date the facility was put in place.

SeaBright Surplus Notes

On August 26, 2013, the Company fully repaid the outstanding principal and accrued interest of $12.1 million associated with the subordinated floating rate surplus notes issued by SeaBright in a private placement in May 2004. Interest expense for the period from February 7, 2013 (the date of acquisition of SeaBright) to December 31, 2013 was $0.3 million.

14.    REDEEMABLE NONCONTROLLING INTEREST

The redeemable noncontrolling interest comprises the 40% ownership interest in Northshore held by Trident. Northshore owns 100% of Atrium and Arden. The redeemable noncontrolling interest is classified outside of permanent shareholders’ equity on the Company’s consolidated balance sheets due to the redemption

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

rights held by Trident, which are described in Note 3 — Acquisitions. The Company recognizes changes in the redemption value of the Trident interest in Northshore’s earnings as if the balance sheet date was also the redemption date. As at December 31, 2013, there were no adjustments recorded through retained earnings as the redemption value of the Trident interest approximated its carrying value.

A reconciliation of the beginning and ending carrying amount of the equity attributable to the redeemable noncontrolling interest is as follows:

	Redeemable noncontrolling interest
Balance as at December 31, 2012	$	—
Redeemable noncontrolling interest, initial contributions		96,689
Net earnings attributable to redeemable noncontrolling interest		4,170
Balance as at December 31, 2013	$	100,859

15.    SHARE CAPITAL

As at December 31, 2013 and 2012, the authorized share capital was 111,000,000 ordinary shares (“Voting Ordinary Shares”) and non-voting convertible ordinary shares (“Non-Voting Ordinary Shares”), each par value $1.00 per share and 45,000,000 preference shares of par value $1.00 per share. Each Voting Ordinary Share entitles the holder thereof to one vote. In accordance with the Company’s bye-laws, however, any U.S. shareholder or direct foreign shareholder group whose shares constitute 9.5% or more of the voting power of our Voting Ordinary Shares would be entitled to less than one vote for each Voting Ordinary Share held by them.

Issued and fully paid Voting Ordinary Shares of par value $1.00 each:

	2013		2012
Balance, beginning of year	$	13,752	$	13,665
Issue of shares		6		43
Share awards granted/vested		45		44
Balance, end of year	$	13,803	$	13,752

Issued and fully paid Series A non-voting convertible ordinary shares of par value $1.00 each:

	2013		2012
Balance, beginning and end of year	$	2,973	$	2,973

Issued and fully paid Series C non-voting convertible ordinary shares of par value $1.00 each:

	2013		2012
Balance, beginning and end of year	$	2,726	$	2,726

Series B, C and D Non-Voting Ordinary Shares

In connection with the transactions consummated pursuant to the April 20, 2011 Investment Agreement (the “Investment Agreement”) between the Company and GSCP VI AIV Navi, Ltd., GSCP VI Offshore Navi, Ltd., GSCP VI Parallel AIV Navi, Ltd., GSCP VI Employee Navi, Ltd., and GSCP VI GmbH Navi, L.P. (collectively,

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the “Purchasers”), each of which is an affiliate of Goldman, Sachs & Co., the Company has authorized Non-Voting Ordinary Shares in three different series: Series B, C and D. Only Series C Non-Voting Ordinary Shares are issued and outstanding. There is no economic difference in the sub-series of Non-Voting Ordinary Shares, but there are slight differences in the limited voting rights of each sub-series that are designed to address certain regulatory matters that may affect the Purchasers.

In accordance with the Investment Agreement, the Company issued and sold to the Purchasers, at three different closings that occurred during 2011, securities for an aggregate purchase price of $291.6 million. As a result of all three closings, the Purchasers received: (i) 665,529 Voting Ordinary Shares, (ii) 2,725,637 Series C Non-Voting Ordinary Shares, and (iii) warrants providing the right to acquire 340,820 Non-Voting Ordinary Shares for an exercise price of $115.0 per share, subject to certain adjustments, that expire on April 20, 2021.

The Purchasers may elect to convert their Voting Ordinary Shares into Series B Non-Voting Ordinary Shares, Series C Non-Voting Ordinary Shares or Series D Non-Voting Ordinary Shares. Holders of the Series C Non-Voting Ordinary Shares have the right to convert such shares, on a share-for-share basis, subject to certain adjustments, into Series D Non-Voting Ordinary Shares at their option. Holders of the Series B Non-Voting Ordinary Shares would have the right to convert such shares on a share-for-share basis, subject to certain adjustments, into Voting Ordinary Shares, Series C Non-Voting Ordinary Shares or Series D Non-Voting Ordinary Shares at their option.

Series B Convertible Participating Non-Voting Perpetual Preferred Stock

In connection with the agreement to acquire Torus, on July 8, 2013, the Company’s Board of Directors’ created 4,000,000 shares of Series B Convertible Participating Non-Voting Perpetual Preferred Stock, par value $1.00 per share (the “Non-Voting Preferred Shares”), from the authorized and unissued preference shares. The Company will issue a combination of Voting Ordinary Shares and Non-Voting Preferred Shares to certain shareholders of Torus at closing of the Amalgamation, as described in Note 3 — Acquisitions.

The Non-Voting Preferred Shares:

• rank on parity with the Voting Ordinary Shares and Non-Voting Ordinary Shares, but would rank senior to any other class or series of share capital of the Company, unless the terms of any such class or series shall provide otherwise;

• would receive dividends when, and if, and in the same amounts (on an as-converted basis), dividends are declared on the Voting Ordinary Shares and/or Non-Voting Ordinary Shares;

• automatically convert on a one-to-one basis into: (i) Voting Ordinary Shares upon the transfer of such Non-Voting Preferred Shares to any person other than an affiliate of First Reserve if that transfer qualifies as a widely dispersed offering and (ii) a new series of Non-Voting Ordinary Shares of the Company upon the approval by the Company’s shareholders of an amendment to the Company’s bye-laws to authorize such series;

• have a liquidation preference of $0.001 per share, and thereafter are entitled to participate (on an as-converted basis) with the Voting Ordinary Shares and the Non-Voting Ordinary Shares in the distribution of remaining assets; and

• have no voting rights other than: (i) in the event of a proposed change to the Company’s organizational documents that would significantly and adversely affect the rights of the Non-Voting Preferred Shares, (ii) certain share exchanges or reclassifications of the Non-Voting Preferred Shares, (iii) certain mergers or consolidations of the Company, or (iv) a voluntary liquidation or dissolution of the Company.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

16.    EARNINGS PER SHARE

The following table sets forth the comparison of basic and diluted earnings per share for the years ended December 31, 2013, 2012 and 2011:

	2013		2012		2011
Basic earnings per ordinary share:
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693
Weighted average ordinary shares outstanding — basic		16,523,369		16,441,461		13,930,221
Net earnings per ordinary share attributable to Enstar Group Limited — basic	$	12.62	$	10.22	$	11.03
Diluted earnings per ordinary share:
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693
Weighted average ordinary shares outstanding — basic		16,523,369		16,441,461		13,930,221
Share equivalents:
Unvested shares		117,850		162,454		196,670
Restricted share units		18,056		19,478		69,723
Warrants		44,167		—		—
Options		—		14,628		15,826
Weighted average ordinary shares outstanding — diluted		16,703,442		16,638,021		14,212,440
Net earnings per ordinary share attributable to Enstar Group Limited — diluted	$	12.49	$	10.10	$	10.81

17.    EMPLOYEE BENEFITS

Summary

Components of salaries and benefits are summarized as follows:

	2013		2012		2011
Salaries and benefits	$	83,563	$	63,689	$	55,642
Defined contribution pension plan expense		6,023		4,240		4,864
2006 equity plan		2,923		2,894		2,662
Annual incentive plan		32,107		29,650		26,678
Total salaries and benefits	$	124,616	$	100,473	$	89,846

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Employee share plans

Employee share awards are summarized as follows:

	2013					2012					2011
	Number of Shares			Weighted Average Fair Value of the Award		Number of Shares			Weighted Average Fair Value of the Award		Number of Shares			Weighted Average Fair Value of the Award
Nonvested — January 1		160,644		$	17,989		203,930		$	20,026		153,930		$	13,019
Granted		4,959			557		5,633			472		71,621			5,957
Vested		(50,444	)		5,855		(48,919	)		4,736		(21,621	)		1,907
Nonvested — December 31		115,159		$	15,997		160,644		$	17,989		203,930		$	20,026

2006 Equity Incentive Plan / 2011-2015 Annual Incentive Compensation Program

For the years ended December 31, 2013, 2012 and 2011, nil, 191 and 16,328 shares, respectively, were awarded to employees under the 2006 Equity Incentive Plan (the “Equity Plan”).

The total unrecognized compensation cost related to the Company’s non-vested share awards under the Equity Plan as at December 31, 2013 and 2012 was $4.7 million and $7.6 million, respectively. This cost is expected to be recognized evenly over the next 1.8 years. Compensation costs of $2.9 million, $2.8 million and $2.7 million relating to these share awards were recognized in the Company’s statement of earnings for the years ended December 31, 2013, 2012 and 2011, respectively.

The total value of the awards for the years ended December 31, 2013 and 2012 were $nil and $1.5 million with the value of the 2012 award being charged against the Enstar Group Limited 2011-2015 Annual Incentive Compensation Program (the “Incentive Program”) accrual established for the year ended December 31, 2011.

The accrued expense relating to the Incentive Program for the years ended December 31, 2013 and 2012 was $32.1 million and $29.6 million, respectively, as compared to $26.7 million for the year ended December 31, 2011 relating to the Enstar Group Limited 2006-2010 Annual Incentive Compensation Program (“2006 Program”). The 2006 Program ended effective December 31, 2010. On February 23, 2011, the Company adopted the Incentive Program.

Enstar Group Limited Employee Share Purchase Plan

For the years ended December 31, 2013, 2012 and 2011, compensation costs of less than $0.1 million relating to the shares issued under the Amended and Restated Enstar Group Limited Employee Share Purchase Plan (the “Share Plan”) were recognized in the Company’s statement of earnings. As at December 31, 2013, 2012 and 2011, 4,959, 5,442 and 5,208 shares have been issued to employees under the Share Plan.

Deferred Compensation and Ordinary Share Plan for Non-Employee Directors

For the years ended December 31, 2013, 2012 and 2011, 3,566 3,029 and 4,193 restricted share units, respectively, were credited to the accounts of non-employee directors under the Enstar Group Limited Deferred Compensation and Ordinary Share Plan for Non-Employee Directors. The Company recorded expenses related to the restricted share units for the years ended December 31, 2013, 2012 and 2011 of $0.5 million, $0.3 million and $0.4 million, respectively.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Pension Plan

The Company provides pension benefits to eligible employees through various plans sponsored by the Company. All pension plans, except for the noncontributory defined benefit pension plan acquired in the 2010 PW Acquisition Company transaction (the “PWAC Plan”), are structured as defined contribution plans. Pension expense for the years ended December 31, 2013, 2012 and 2011 was $6.0 million, $4.5 million and $4.9 million, respectively.

In addition, the Company recorded pension expense relating to the PWAC Plan for the years ended December 31, 2013, 2012 and 2011 of $0.7 million, $0.8 million and $0.6 million, respectively. During 2013, an actuarial review was performed on the PWAC plan, which determined that the PWAC Plan’s unfunded liability, as at December 31, 2013, was $7.8 million as compared to $13.9 million as at December 31, 2012. As at December 31, 2013, PW Acquisition Company had an accrued liability of $7.8 million for the unfunded PWAC Plan liability.

18.    TAXATION

Earnings before income taxes includes the following components:

	2013		2012		2011
Domestic (Bermuda)	$	193,063	$	30,839	$	44,983
Foreign		66,378		204,970		188,759
Total	$	259,441	$	235,809	$	233,742

Tax expense (benefit) for income taxes is comprised of:

	2013		2012		2011
Current:
Domestic (Bermuda)	$	—	$	—	$	—
Foreign		30,787		34,704		28,924
		30,787		34,704		28,924
Deferred:
Domestic (Bermuda)		—		—		—
Foreign		4,832		9,586		(3,640	)
		4,832		9,586		(3,640	)
Total tax expense	$	35,619	$	44,290	$	25,284

Under current Bermuda law, the Company and its Bermuda subsidiaries are exempted from paying any taxes in Bermuda on their income or capital gains until March 2035.

The Company has operating subsidiaries and branch operations in the United Kingdom, Australia, the United States and Europe and is subject to federal, foreign, state and local taxes in those jurisdictions. In addition, certain distributions from some foreign sources may be subject to withholding taxes.

The expected income tax provision for the foreign operations computed on pre-tax income at the weighted-average tax rate has been calculated as the sum of the pre-tax income in each jurisdiction multiplied by that jurisdiction’s applicable statutory tax rate.

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The actual income tax rate differed from the amount computed by applying the effective rate of 0% under Bermuda law to earnings before income taxes as shown in the following reconciliation:

	2013			2012			2011
Earnings before income tax	$	259,441		$	235,809		$	233,742
Expected tax rate		—	%		—	%		—	%
Foreign taxes at local expected rates		5.1	%		20.8	%		19.2	%
Change in uncertain tax positions		(1.0	)%		0.1	%		—	%
Change in valuation allowance		7.2	%		(3.0	)%		(8.4	)%
Impact of Australian tax consolidation		—	%		—	%		0.8	%
Other		2.4	%		0.9	%		(0.8	)%
Effective tax rate		13.7	%		18.8	%		10.8	%

Deferred income taxes arise from the recognition of temporary differences between income determined for financial reporting purposes and income tax purposes. The temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are presented in the table below:

	As of December 31,
	2013			2012
Deferred tax assets
Benefit of losses, deductions, and other carryforwards	$	187,377		$	162,389
Claims reserves, principally due to discounting for tax		217,283			27,195
Allowance for doubtful accounts receivable		22,303			16,703
Investments		—			7,552
		426,963			213,839
Deferred tax liabilities
Investments		(31,932	)		(11,999	)
Unrecognized income		(21,740	)		—
Intangible asset from acquisition		(18,000	)		—
Other		(5,424	)		—
Net deferred tax asset before valuation allowance		349,867			201,840
Valuation allowance		(366,650	)		(202,365	)
Net deferred tax liability	$	(16,783	)	$	(525	)

As of December 31, 2013 and 2012, U.K. insurance subsidiaries and branch operations had tax loss carryforwards, which do not expire, and deductions available for tax purposes of approximately $357.4 million and $346.9 million, respectively. Certain of the Company’s U.K. insurance and reinsurance subsidiaries have tax loss carryforwards that arose prior to acquisition. Under U.K. tax law, these tax loss carryforwards are available to offset future taxable income generated by the acquired company without time limit.

As of December 31, 2013 and 2012, U.S. subsidiaries had deductible losses for tax purposes of approximately $315.0 million and $234.5 million, respectively. Under U.S. tax law, these tax losses can be carried forward and could be available to offset future taxable income of the companies that experienced the losses.

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The Company has estimated future taxable income of its foreign subsidiaries and has provided a valuation allowance in respect of those loss carryforwards where it does not expect to realize a benefit. The Company has considered all available evidence using a “more likely than not” standard in determining the amount of the valuation allowance.

The Company had unrecognized tax benefits of $2.2 million, $5.8 million and $5.6 million relating to uncertain tax positions as of December 31, 2013, 2012 and 2011, respectively.

During the years ended December 31, 2013, 2012 and 2011, there were certain reductions to unrecognized tax benefits due to the expiration of statutes of limitations of $0.3 million, $nil and $0.1 million, respectively, which were included in net earnings.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	2013			2012			2011
Balance, beginning of year	$	5,821		$	5,621		$	5,566
Gross increases — tax positions related to prior years		114			221			161
Gross decreases — tax positions related to prior years		(3,346	)		(12	)		—
Lapse of statute of limitations		(340	)		(9	)		(106	)
Balance, end of year	$	2,249		$	5,821		$	5,621

Included in the balances at December 31, 2013, 2012 and 2011 were $1.5 million, $4.4 million and $4.4 million, respectively, of tax positions for which the ultimate deductibility is highly certain but for which there is uncertainty about the timing of such deductibility. Because of the impact of deferred tax accounting, other than interest and penalties, the disallowance of the shorter deductibility period would not affect the annual effective tax rate but would accelerate the payment of cash to the taxing authority to an earlier period.

It is reasonably possible that the amount of unrecognized tax benefits with respect to certain of the unrecognized tax positions could decrease by up to approximately $2.0 million within the next 12 months if the statute of limitations expires on certain tax periods.

The Company recognizes accrued interest and penalties related to unrecognized tax benefits as a part of income tax expense. During the years ended December 31, 2013, 2012 and 2011, the Company recognized a benefit for the reversal of interest and penalties related to unrecognized tax benefits due to the expiration of the statute of limitations in the amount of $0.2 million, $nil and $0.1 million, respectively. The Company had approximately $0.7 million, $1.5 million and $1.2 million accrued for the payment of interest and penalties related to unrecognized tax benefits at December 31, 2013, 2012 and 2011, respectively.

The Company’s operating subsidiaries in specific countries may be subject to audit by various tax authorities and may have different statutes of limitations expiration dates. With limited exceptions, the Company’s major subsidiaries that operate in the United States, United Kingdom and Australia are no longer subject to tax examinations for years before 2007, 2010 and 2007, respectively.

Because the Company operates in many jurisdictions, its net earnings are subject to risk due to changing tax laws and tax rates around the world. The current, rapidly changing economic environment may increase the likelihood of substantial changes to tax laws in the jurisdictions in which it operates. The Company cannot predict what, if any, legislation will actually be proposed or enacted, or what the effect of any such legislation might be on the Company’s financial condition and results of operations.

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19.    RELATED PARTY TRANSACTIONS

Stone Point Capital LLC

Following several private transactions occurring from May 2012 to July 2012, Trident acquired approximately 9.7% of the Company’s voting ordinary shares. On November 6, 2013, the Company appointed James D. Carey to its Board of Directors. Mr. Carey is the sole member of an entity that is one of four general partners of the entities serving as general partners for the Trident funds, is a member of the investment committees of such general partners, and is a member and senior principal of Stone Point Capital LLC, the manager of the Trident funds. In addition, the Company entered into certain agreements with Trident with respect to Trident’s co-investments in the Atrium and Arden acquisitions and the pending Torus acquisition. Refer to Note 3 — “Acquisitions” for a description of these co-investment transactions. Mr. Carey serves as a Trident representative on the board of the holding company established in connection with the Atrium/Arden co-investment transaction and is expected to serve as a representative on the Torus board and on the board of the holding company established in connection with the Torus co-investment transaction following the closing of the Amalgamation.

The Company has investments in two funds (carried within other investments) affiliated with entities owned by Trident. As of December 31, 2013, the fair value of the investments in the two funds was $87.7 million. The Company has also invested in a fund managed by Sound Point Capital, an entity in which Mr. Carey has an approximately 4% indirect ownership interest and serves as director. As of December 31, 2013, the fair value of this investment was $21.6 million. The Company has recognized $1.2 million in net realized and unrealized gains in respect of this investment as of December 31, 2013.

Subsequent to December 31, 2013, the Company made a commitment to invest up to $20.0 million in the Trident Parallel VI Fund, a fund managed by Stone Point Capital LLC.

Goldman Sachs & Co.

As of December 31, 2013, affiliates of Goldman Sachs & Co. (“Goldman Sachs”) own approximately 4.8% of the Company’s voting ordinary shares and 100% of the Company’s non-voting convertible ordinary shares. Sumit Rajpal, a managing director of Goldman Sachs, was appointed to the Board of Directors in connection with Goldman Sachs’ investment in the Company. As of December 31, 2013, the Company had an investment in one fund (carried within other investments) affiliated with entities owned by Goldman Sachs, which had a fair value of $3.2 million. Subsequent to December 31, 2013, the Company invested £12.5 million in indirect non-voting interests of two companies affiliated with Hastings Insurance Group Limited. The Company’s interests are held in accounts managed by affiliates of Goldman Sachs. Goldman Sachs affiliates have an approximately 50% interest in the Hastings companies, and Mr. Rajpal serves as a director of the entities the Company has invested in.

Affiliates of Goldman Sachs own approximately 22% of Global Atlantic Financial Group (“GAFG”), which owns entities that provide reinsurance to Arden. As at December 31, 2013, the Company’s total reinsurance recoverable from GAFG entities amounted to $340.8 million. As at December 31, 2013, reinsurance balances recoverable from a particular non-rated GAFG entity with a carrying value of $256.1 million represented 10% or more of the Company’s total non-life run-off reinsurance balances recoverable. The $256.1 million recoverable from that GAFG entity at December 31, 2013 was secured by a trust account. The balance of $84.7 million as at December 31, 2013 was recoverable from GAFG entities rated A- and higher.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

20.    RETAINED EARNINGS AND STATUTORY RESTRICTIONS

Restrictions on the Payment of Dividends

The Company’s ability to pay dividends to its shareholders is dependent upon the ability of its insurance and reinsurance subsidiaries to distribute capital and pay dividends to it. The Company’s insurance and reinsurance subsidiaries are subject to certain regulatory restrictions on the distribution of capital and payment of dividends in the jurisdictions in which they operate as more fully described below. The restrictions are generally based on net income or levels of capital and surplus as determined in accordance with the relevant statutory accounting practices. Failure of these subsidiaries to meet their applicable regulatory requirements could result in restrictions on any distributions of capital or retained earnings and/or stricter regulatory oversight of the subsidiaries. In addition, the Company’s ability to pay dividends and make other forms of distributions is further limited by repayment obligations in the Company’s outstanding loan facility agreements.

As at December 31, 2013, the amount of consolidated retained earnings of the Company that was free of restrictions and therefore potentially available to be distributed to the Company’s ordinary shareholders was $1,177.5 million (2012: $972.9 million). This amount is held primarily within our insurance and reinsurance subsidiaries and represents retained earnings held in those companies in excess of their minimum regulatory requirements. Although these amounts are in excess of statutory minimums, regulators may nonetheless further restrict distributions, and therefore actual amounts available for distribution to shareholders are likely to be significantly less. In addition, the Company does not intend to pay dividends on its ordinary shares, as it intends instead to reinvest any distributions from its subsidiaries back into the Company, primarily as a means to fund future acquisitions.

Statutory Restrictions

The Company’s insurance and reinsurance subsidiaries prepare their statutory financial statements in conformity with statutory accounting practices prescribed or permitted by the applicable local regulatory authority. The statutory financial statements may vary materially from statements prepared in accordance with U.S. GAAP.

The statutory capital and surplus amounts for the years ended December 31, 2013 and 2012 and statutory net income (loss) amounts for the years ended December 31, 2013, 2012 and 2011 for the Company’s insurance and reinsurance subsidiaries based in Bermuda, the United Kingdom, Australia, the United States and Europe were as follows:

	Statutory Capital and Surplus
	Minimum Required				Actual				Statutory Income (Loss)
	2013		2012		2013		2012		2013		2012			2011
Bermuda	$	109,010	$	92,606	$	833,263	$	627,335	$	103,852	$	98,247		$	80,022
U.K.	$	83,410	$	80,324	$	592,992	$	506,459	$	76,685	$	64,015		$	114,403
Australia	$	65,894	$	82,007	$	99,174	$	94,042	$	19,131	$	4,651		$	13,979
U.S.	$	138,331	$	102,114	$	879,947	$	445,818	$	4,725	$	(42,109	)	$	(8,234	)
Europe	$	12,965	$	38,642	$	142,216	$	173,974	$	11,035	$	7,578		$	22,356

The Company’s insurance and reinsurance subsidiaries are subject to insurance laws and regulations in the jurisdictions in which they operate, including Bermuda, the United Kingdom, Australia, the United States and Europe. Certain material aspects of these laws and regulations as they relate to solvency, dividends and capital and surplus are summarized below.

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Bermuda — Non-life Run-off / Active Underwriting

The Company’s Bermuda-based insurance and reinsurance subsidiaries are registered under the Insurance Act 1978 of Bermuda and related regulations, as amended (the “Insurance Act”). The Insurance Act requires that the Company’s Bermuda-based insurance and reinsurance subsidiaries maintain certain solvency and liquidity standards. The minimum liquidity ratio requires that the value of relevant assets must not be less than 75% of the amount of relevant liabilities. The minimum solvency margin, which varies depending on the class of the insurer, is determined as a percentage of either net reserves for losses and loss expenses or premiums or pursuant to a risk-based capital measure.

Each of the Company’s regulated Bermuda insurance and reinsurance subsidiaries would be prohibited from declaring or paying any dividends if it were in breach of its minimum solvency margin (which is a function of outstanding losses) or liquidity ratio (which is a function of relevant assets) or if the declaration or payment of such dividends would cause it to fail to meet such margin or ratio. In addition, each of the Company’s regulated Bermuda insurance and reinsurance subsidiaries is prohibited, without the prior approval of the Bermuda regulator, from reducing by 15% or more its total statutory capital as set out in its previous year’s statutory financial statements. In addition, the Company’s Bermuda insurance companies that are in run-off are required to seek regulatory approval for any dividends or distributions.

As of December 31, 2013 and 2012, each of the Company’s Bermuda-based insurance and reinsurance subsidiaries exceeded their respective minimum solvency and liquidity requirements. The Bermuda insurance and reinsurance subsidiaries in aggregate exceeded minimum solvency requirements by $724.3 million as of December 31, 2013 (2012: $534.7 million) and exceeded minimum liquidity requirements by $459.1 million as of December 31, 2013 (2012: $369.4 million).

United Kingdom — Non-life Run-off

The Company’s U.K. based insurance subsidiaries are regulated by the U.K. Prudential Regulatory Authority (the “PRA”) and the Financial Conduct Authority (the “FCA”), which together replaced the Financial Services Authority effective April 1, 2013 (the PRA and FCA collectively, the “U.K. Regulator”).

The Company’s U.K.-based insurance subsidiaries are required to maintain adequate financial resources in accordance with the requirements of the U.K. Regulator. The calculation of the minimum capital resources requirements in any particular case depends on, among other things, the type and amount of insurance business written and claims paid by the insurance company. As at December 31, 2013 and 2012, all of the Company’s U.K. insurance subsidiaries maintained capital in excess of the minimum capital resources requirements (or received a waiver from the U.K. Regulator from the requirement to remedy any shortfall) and complied with the relevant U.K. Regulator requirements. The U.K.-based insurance subsidiaries, in aggregate, maintained capital in excess of the minimum capital resources requirements by $509.6 million and $426.1 million as of December 31, 2013 and 2012, respectively.

In addition, the U.K. Regulator’s Individual Capital Adequacy Standards framework (“ICAS framework”), requires insurance companies to carry out various capital modeling and risk management exercises in order to calculate a company-specific Individual Capital Assessment amount (“ICA amount”), which is the company’s internal calculation of its capital requirements under the ICAS framework. This is intended to ensure a company holds sufficient capital such that there is no material risk that its liabilities cannot be met as they fall due. In 2009, the European Parliament approved the Solvency II framework directive. Solvency II is expected to take effect in January 2016. Solvency II will set out new, strengthened EU-wide requirements on capital adequacy and risk management for insurers with the aim of increasing policyholder protection, instilling greater risk awareness and improving the international competitiveness of EU insurers.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The U.K. Regulator’s rules require the Company’s U.K. insurance subsidiaries to obtain regulatory approval for any proposed or actual payment of a dividend. The U.K. Regulator uses the ICA and the estimated capital requirement for Solvency II purposes when assessing requests to make distributions and therefore dividends approved by the U.K. Regulator will often significantly differ from any surplus capital above the entity’s minimum capital resources requirements.

Lloyd’s — Non-life Run-off / Active Underwriting

As of December 31, 2013, the Company participated in the Lloyd’s market through its interests in: (i) Atrium Underwriting Group, which manages S609 and provides approximately one quarter of the syndicate’s capital; and (ii) Shelbourne, which consists of an approved Lloyd’s managing agent, a corporate member and S2008, a wholly aligned syndicate that has permission to underwrite RITC and other legacy or discontinued business type transactions with other Lloyd’s syndicates. The Lloyd’s market is currently in the Solvency II internal model application process under Lloyd’s supervision. The Company’s Lloyd’s operations will therefore be required to meet Solvency II standards when they come into effect.

The underwriting capacity of a member of Lloyd’s must be supported by providing a deposit (referred to as “Funds at Lloyd’s”) in the form of cash, securities or letters of credit in an amount determined under the ICA. The amount of the Funds at Lloyd’s is assessed annually and is determined by Lloyd’s in accordance with the capital adequacy rules established by the U.K. Regulator. In order to achieve finality and to release their capital, Lloyd’s members are usually required to have transferred their liabilities through an approved RITC, such as offered by S2008. RITC is generally put in place after the third year of operations of a syndicate year of account. On successful conclusion of RITC, any profit from the syndicate’s operations for that year of account can be remitted by the managing agent to the syndicate’s members.

The Company’s total capital commitment to S2008 and S609 was £133.0 million (approximately $220.2 million). The capital commitment was financed from available cash on hand of $146.2 million and a letter of credit of $74.0 million.

Australia — Non-life Run-off

The Company’s Australian insurance subsidiary is regulated and subject to prudential supervision by the Australian Prudential Regulation Authority (“APRA”). APRA is the primary regulatory body responsible for regulating compliance with the Insurance Act 1973. APRA’s prudential standards require that all insurers maintain and meet prescribed capital adequacy requirements to enable their insurance obligations to be met under a wide range of circumstances. As of January 1, 2013, APRA introduced capital reforms that have modified how Australian insurers meet their capital requirements and have introduced additional regulatory obligations with respect to capital oversight and capital reporting, which apply to our subsidiary. The new capital requirements were brought in to enhance and strengthen capital adequacy in the market and increase the level of internal oversight and review for insurers. The Company’s Australian insurance subsidiary meets the new capital requirements.

An insurer must obtain APRA’s written consent prior to making any capital releases, including any payment of dividends. The Company’s insurance subsidiary must provide APRA a valuation prepared by an appointed actuary that demonstrates that the tangible assets of the insurer, after the proposed capital reduction, are sufficient to cover its insurance liabilities to a 99.5% level of sufficiency of capital before APRA will consent to a capital release or dividend. As of December 31, 2013 and 2012, the Company’s Australian-based insurance subsidiary exceeded the required 99.5% level of sufficiency by $33.3 million and $12.0 million, respectively.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

United States — Non-life Run-off

The Company’s U.S. non-life run-off insurance and reinsurance subsidiaries are subject to the insurance laws and regulations of the states in which they are domiciled, licensed and/or approved to conduct business. These laws restrict the amount of dividends the subsidiaries can pay to the Company. The restrictions are generally based on statutory net income and/or certain levels of statutory surplus as determined in accordance with the relevant statutory accounting requirements of the individual domiciliary states or states in which any of the insurance or reinsurance subsidiaries are domiciled. Generally, prior regulatory approval must be obtained before an insurer may pay a dividend or make a distribution above a specified level.

The U.S. subsidiaries are required to file annual statements with insurance regulatory authorities prepared on a statutory basis prescribed or permitted by such authorities. Statutory accounting principles differ from U.S. GAAP in the treatment of various items, including treatment of deferred acquisition costs, deferred income taxes, required investment reserves, reserve calculation assumptions and surplus notes. For all of the Company’s U.S. insurance and reinsurance subsidiaries, with the exception of one subsidiary, there are no prescribed or permitted statutory accounting practices that differ significantly from the statutory accounting principles established by the National Association of Insurance Commissioners (“NAIC”). In 2013, one of the Company’s U.S. insurance and reinsurance subsidiaries increased reserves for adjusting and other expenses in its statutory financial statements. As at December 31, 2012, these reserves of approximately $47.0 million had been recorded at its immediate parent company level. This had no impact on the consolidated financial statements for the Company. The same U.S. insurance and reinsurance subsidiary also has a permitted accounting practice to treat an adverse development cover reinsurance agreement as prospective reinsurance. The U.S. insurance and reinsurance subsidiaries are also required to maintain minimum levels of solvency and liquidity as determined by law, and to comply with risk-based capital requirements and licensing rules.

As of December 31, 2013 and 2012, all of the Company’s U.S. non-life run-off insurance and reinsurance subsidiaries exceeded their required levels of risk-based capital, with the exception of one subsidiary that was acquired while under supervision. On an aggregate basis, the U.S.-based non-life run-off insurance and reinsurance subsidiaries (excluding the subsidiary under supervision) exceeded their minimum levels of risk-based capital as of December 31, 2013 and 2012 by $642.7 million and $354.3 million, respectively; the subsidiary under regulatory supervision was below its minimum required risk-based capital level by approximately $5.6 million as of December 31, 2013 (2012: $10.6 million). As a consequence of being under regulatory supervision, the subsidiary’s regulator must approve any and all disbursements, new contracts or agreements. The Company does not believe this subsidiary’s non-compliance presents material risk to the Company’s operations or financial condition.

United States/Canada — Life and Annuities

The Company’s life and annuities subsidiaries file financial statements with state insurance regulatory authorities and the NAIC in the United States and the Office of Superintendent of Financial Institutions (“OSFI”) in Canada (as a result of one of the Company’s subsidiaries having a Canadian branch operation). Such statements are prepared in accordance with Statutory Accounting Principles (“SAP”) prescribed or permitted by such authorities which may vary materially from GAAP. SAP includes the Accounting Practices and Procedures Manual of the NAIC as well as other laws, regulations and administrative rules promulgated by the state insurance departments. SAP encompasses all accounting practices not so prescribed. The principal differences between statutory financial statements and financial statements prepared in accordance with GAAP are that statutory financial statements do not reflect deferred acquisition costs, some bond portfolios may be carried at amortized cost, assets and liabilities are presented net of reinsurance, contract holder liabilities are generally valued using more conservative assumptions and certain assets are non-admitted. Accordingly, statutory

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ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

operating results and statutory capital and surplus may differ substantially from amounts reported in the GAAP basis financial statements for comparable items.

The Company’s life and annuity companies are subject to certain Risk-Based Capital (“RBC”) requirements as specified by the NAIC and OSFI. RBC is used to evaluate the adequacy of capital and surplus maintained by the Company’s life and annuities companies in relation to risks associated with: (i) asset risk; (ii) insurance risk; (iii) interest rate risk and (iv) business risk.

As of December 31, 2013, the Company’s life and annuities subsidiaries exceeded their minimum RBC requirements by $104.5 million. These subsidiaries are restricted by state laws and regulations as to the amount of dividends they may pay to their parent without regulatory approval in any year, the purpose of which is to protect affected insurance policyholders, depositors or investors. Any dividends in excess of limits are deemed “extraordinary” and require approval. As of December 31, 2013, the maximum dividend payout which may be made without prior approval is $nil.

Europe — Non-life Run-off

The Company’s Swiss insurance subsidiary is regulated by the Swiss Financial Market Supervisory Authority (“FINMA”) pursuant to the Insurance Supervisory Act 2004. This subsidiary is obligated to maintain a minimum solvency margin based on the Solvency I and Swiss Solvency Test regulations (“SST”) as stipulated by the Insurance Supervisory Act. As of December 31, 2013 and 2012, this subsidiary exceeded the Solvency I requirements by $118.1 million (2012: $103.9 million) and exceeded the SST requirements by $67.4 million (2012: $44.9 million). The amount of dividends that this subsidiary is permitted to distribute is restricted to freely distributable reserves, which consist of retained earnings, the current year profit and legal reserves. Any dividend exceeding the current year profit requires FINMA’s approval. The solvency and capital requirements must continue to be met following any distribution. During 2013, the Company exited Belgium, Denmark and Sweden.

Europe — Life and Annuities

One of the Company’s life insurance subsidiaries files its audited financial statements with the Companies Registration Office in Ireland. The financial statements are prepared in accordance with the provisions of the Companies Act, 1963 to 2013, and the European Communities (Insurance Undertakings: Accounts) Regulations, 1996.

The financial statements of this subsidiary are prepared in accordance with applicable accounting standards under the historical cost convention, as modified by the revaluation of investments, and comply with financial reporting standards of the Accounting Standards Board, as promulgated by the Institute of Chartered Accountants in Ireland.

In addition, this subsidiary files audited regulatory returns with the Central Bank of Ireland. The returns are prepared in accordance with the European Communities (Life Assurance) Framework Regulations, 1994. The Company has exceeded the minimum required solvency margin as at December 31, 2013 and 2012 by $11.0 million and $11.7 million, respectively. The subsidiary cannot make any distributions with the prior approval of the Central Bank of Ireland, any such payments must be paid within six months of the most recent actuarial investigation, the purpose of which is ensure that the subsidiary’s insurance policyholders are not negatively affected.

Restricted net assets of consolidated subsidiaries

As at December 31, 2013, the total amount of net assets of the Company’s consolidated subsidiaries that were restricted was $732.5 million (2012: $617.2 million).

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ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

21.    COMMITMENTS AND CONTINGENCIES

Concentration of Credit Risk

The Company’s portfolio of cash and fixed maturities is managed pursuant to guidelines that follow what it believes are prudent standards of diversification. The guidelines limit the allowable holdings of a single issue and issuers, and as a result the Company does not believe that there are any significant concentrations of credit risk associated with its portfolio of cash and fixed maturities.

The Company’s portfolio of other investments is managed pursuant to guidelines that emphasize diversification and liquidity. Pursuant to these guidelines, the Company manages and monitors risk across a variety of investment funds and vehicles, markets and counterparties. The Company believes that there are no significant concentrations of credit risk associated with its other investments.

The Company’s investments are held by 36 different custodians. These custodians are all large financial institutions that are highly regulated. These institutions have controls over their investment processes that are certified annually. The largest concentration of fixed maturities investments, by fair value, at a single custodian was $2.8 billion and $1.8 billion as of December 31, 2013 and 2012, respectively.

Leases

The Company leases office space under operating leases expiring in various years through 2018. The leases are renewable at the option of the lessee under certain circumstances. The following is a schedule of future minimum rental payments on non-cancellable leases as of December 31, 2013:

2013	$	5,912
2014		4,781
2015		2,759
2016		585
2017		406
2018		309
	$	14,752

Rent expense for the years ended December 31, 2013, 2012 and 2011 was $5.5 million, $3.9 million and $3.0 million, respectively.

Investments

The following table provides a summary of the Company’s outstanding unfunded investment commitments for the years ended December 31, 2013 and 2012:

December 31, 2013			December 31, 2012
Original Commitments	Commitments		Original Commitments	Commitments
	Funded	Unfunded		Funded	Unfunded
$291,000	$176,760	$114,240	$251,000	$163,409	$87,591

Guarantees

As at December 31, 2013 and 2012, the Company had, in total, parental guarantees supporting a subsidiary’s insurance obligations in the amount of $228.5 million and $213.3 million, respectively.

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NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

Acquisitions

The Company has entered into definitive agreements with respect to: (i) the Reciprocal of America loss portfolio transfer, which management expects to close in the second quarter of 2014; and (ii) the Amalgamation of Veranda and Torus Insurance Holdings Limited, which is expected to close in the first quarter of 2014. The Torus acquisition agreement is described in Note 3 — “Acquisitions,” and the Reciprocal of America agreement is described in Note 4 — “Significant New Business.”

In connection with the acquisition of Torus, the Company has entered into an Investors Agreement with Trident and will enter into a Shareholders’ Agreement with Trident at the closing of the Torus Amalgamation. The Company’s obligations and rights relating to the Investors and Shareholders’ Agreements are described in Note 3 — “Acquisitions.”

Pursuant to the Amalgamation Agreement to acquire Torus, the Company has agreed that at the closing of the Amalgamation, it will issue 2,612,346 shares (which will consist of a combination of Voting Ordinary Shares and Non-Voting Preferred Shares) and pay cash of approximately $69.2 million to fund its share of the purchase price, as described in Note 3 — “Acquisitions.” At closing, the Company will also enter into a Shareholder Rights Agreement with First Reserve and a Registration Rights Agreement with First Reserve and Corsair; the obligations and rights under these agreements are also described in Note 3.

Legal Proceedings

The Company is, from time to time, involved in various legal proceedings in the ordinary course of business, including litigation regarding claims. The Company does not believe that the resolution of any currently pending legal proceedings, either individually or taken as a whole, will have a material effect on its business, results of operations or financial condition. The Company anticipates that, similar to the rest of the insurance and reinsurance industry, it will continue to be subject to litigation and arbitration proceedings in the ordinary course of business, including litigation generally related to the scope of coverage with respect to asbestos and environmental claims.

22.    SEGMENT INFORMATION

Due to the Company’s acquisition of the Pavonia companies on March 31, 2013 and the acquisitions of Arden and Atrium on September 9, 2013 and November 25, 2013, respectively, the Company reevaluated its segment reporting and began measuring the results of its operations in three segments: (i) non-life run-off; (ii) life and annuities and (iii) active underwriting.

The Company’s non-life run-off segment comprises the operations and financial results of those subsidiaries acquired for the purpose of running off their property and casualty business.

The Company’s life and annuities segment comprises the operations and financial results of those subsidiaries, primarily the Pavonia companies, operating in the closed-block of life and annuity business. Certain new significant accounting policies applicable to the life and annuities segment were adopted during the year and are described in Note 1 — “Significant New Accounting Policies.”

The Company’s active underwriting segment comprises the operations and financial results of Atrium and its subsidiaries and Arden. Results related to Arden’s reinsurance to Atrium are included within the Company’s active underwriting segment, while results related to Arden’s discontinued business are included within the Company’s non-life run-off segment. Once the Company completes the acquisition, the active underwriting segment will also include substantially all of the activities of Torus Insurance Holdings Limited and its

191

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

subsidiaries (some of Torus’ lines of business are in run-off and will accordingly be accounted for within the Company’s non-life run-off segment).

Invested assets are managed on a subsidiary by subsidiary basis, and investment income and realized and unrealized gains on investments are recognized in each segment as earned.

The elimination items includes the elimination of intersegment revenues and expenses.

The Company’s total assets by segment were:

	December 31, 2013		December 31, 2012
Total assets — non-life run-off	$	6,619,992	$	5,825,402
Total assets — life and annuities		1,414,987		52,859
Total assets — active underwriting		585,176		—
	$	8,620,155	$	5,878,261

192

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

The following tables set forth selected and consolidated statement of earnings results by segment for the years ended December 31, 2013, 2012, 2011:

	December 31, 2013
	Non-life run-off			Life and annuities			Active underwriting			Eliminations			Consolidated
Net premiums earned	$	112,611		$	94,984		$	32,212		$	—		$	239,807
Fees and commission income		12,785			—			2,708			(2,676	)		12,817
Net investment income		64,048			30,182			521			(1,456	)		93,295
Net realized and unrealized gains (losses)		79,368			(9,259	)		542			—			70,651
		268,812			115,907			35,983			(4,132	)		416,570
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned — non-life run-off		74,139			—			—			—			74,139
Losses incurred — active underwriting		—			—			19,352			—			19,352
Reduction in estimates of net ultimate losses		(215,480	)		—			—			—			(215,480	)
Increase in provisions for bad debt		1,999			—			—			—			1,999
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—			(49	)		—			(49,629	)
Amortization of fair value adjustments		5,947			—			—			—			5,947
		(182,975	)		—			19,303			—			(163,672	)
Life and annuity policy benefits		—			78,354			—			—			78,354
Acquisition costs		14,379			8,820			—			—			23,199
Salaries and benefits		117,141			4,799			2,676			—			124,616
General and administrative expenses		67,979			16,039			5,270			(2,676	)		86,612
Interest expense		12,057			1,456			332			(1,456	)		12,389
Net foreign exchange (gains) losses		(5,909	)		158			1,382			—			(4,369	)
		22,672			109,626			28,963			(4,132	)		157,129
EARNINGS BEFORE INCOME TAXES		246,140			6,281			7,020			—			259,441
INCOME TAXES		(34,191	)		(1,243	)		(185	)		—			(35,619	)
NET EARNINGS		211,949			5,038			6,835			—			223,822
Less: Net earnings attributable to noncontrolling interest		(12,076	)		—			(3,142	)		—			(15,218	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	199,873		$	5,038		$	3,693		$	—		$	208,604

193

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	December 31, 2012
	Non-life run-off			Life and annuities			Eliminations			Consolidated
Net premiums earned	$	—		$	3,511		$	—		$	3,511
Fees and commission income		9,283			—			(713	)		8,570
Net investment income		76,813			947			—			77,760
Net realized and unrealized gains		71,730			1,882			—			73,612
		157,826			6,340			(713	)		163,453
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(218,116	)		—			—			(218,116	)
Reduction in provisions for bad debt		(3,111	)		—			—			(3,111	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(39,298	)		—			—			(39,298	)
Amortization of fair value adjustments		22,572			—			—			22,572
		(237,953	)		—			—			(237,953	)
Life and annuity policy benefits		—			(300	)		—			(300	)
Salaries and benefits		99,342			1,131			—			100,473
General and administrative expenses		55,731			1,574			(713	)		56,592
Interest expense		8,426			—			—			8,426
Net foreign exchange losses (gains)		644			(238	)		—			406
		(73,810	)		2,167			(713	)		(72,356	)
EARNINGS BEFORE INCOME TAXES		231,636			4,173			—			235,809
INCOME TAXES		(44,266	)		(24	)		—			(44,290	)
NET EARNINGS		187,370			4,149			—			191,519
Less: Net earnings attributable to noncontrolling interest		(23,502	)		—			—			(23,502	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	163,868		$	4,149		$	—		$	168,017

194

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	December 31, 2011
	Non-life run-off			Life and annuities			Consolidated
Net premiums earned	$	—		$	3,543		$	3,543
Fees and commission income		17,858			—			17,858
Net investment income		66,556			2,120			68,676
Net realized and unrealized gains		8,553			661			9,214
Gain on bargain purchase		—			13,105			13,105
		92,967			19,429			112,396
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(248,230	)		—			(248,230	)
Reduction in provisions for bad debt		(42,822	)		—			(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(45,102	)		—			(45,102	)
Amortization of fair value adjustments		42,693			—			42,693
		(293,461	)		—			(293,461	)
Life and annuity policy benefits		—			1,557			1,557
Salaries and benefits		89,440			406			89,846
General and administrative expenses		70,841			969			71,810
Interest expense		8,529			—			8,529
Net foreign exchange losses (gains)		1,190			(817	)		373
		(123,461	)		2,115			(121,346	)
EARNINGS BEFORE INCOME TAXES		216,428			17,314			233,742
INCOME TAXES		(25,311	)		27			(25,284	)
NET EARNINGS		191,117			17,341			208,458
Less: Net earnings attributable to noncontrolling interest		(54,765	)		—			(54,765	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	136,352		$	17,341		$	153,693

195

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

23.    CONDENSED UNAUDITED QUARTERLY FINANCIAL DATA

	2013 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — non-life run-off	$	12,341		$	28,134		$	41,216		$	30,920
Net premiums earned — life and annuities		29,323			30,540			34,380			741
Net premiums earned — active underwriting		32,212			—			—			—
Fees and commission income		5,012			2,398			2,960			2,447
Net investment income		23,071			25,009			27,252			17,963
Net realized and unrealized gains (losses)		31,440			37,010			(27,919	)		30,120
		133,399			123,091			77,889			82,191
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned —non-life run-off		(14,153	)		24,236			35,523			28,533
Losses incurred — active underwriting		19,352			—			—			—
Reduction in estimates of net ultimate losses		(134,068	)		(27,850	)		(48,500	)		(5,062	)
Increase (reduction) in provisions for bad debt		7,464			(5,465	)		—			—
Reduction in provisions for unallocated loss and loss adjustment expense liabilities		(111	)		(16,320	)		(16,795	)		(16,403	)
Amortization of fair value adjustments		(3,540	)		5,025			2,369			2,093
		(125,056	)		(20,374	)		(27,403	)		9,161
Life and annuity policy benefits		20,970			31,081			25,562			741
Acquisition costs		5,050			6,149			9,613			2,387
Salaries and benefits		45,603			29,716			25,687			23,610
General and administrative expenses		19,538			29,126			20,002			17,946
Interest expense		3,593			3,270			3,091			2,435
Net foreign exchange (gains) losses		(375	)		(673	)		(8,403	)		5,082
		(22,677	)		78,295			48,149			61,362
EARNINGS BEFORE INCOME TAXES		164,076			44,796			29,740			20,829
INCOME TAXES		(21,893	)		(1,340	)		(4,542	)		(7,844	)
NET EARNINGS		142,183			43,456			25,198			12,985
Less: Netearnings attributable to noncontrolling interest		(4,722	)		(3,469	)		(6,001	)		(1,026	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	137,461		$	39,987		$	19,197		$	11,959
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.32		$	2.42		$	1.16		$	0.72
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.23		$	2.39		$	1.15		$	0.72

196

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	2012 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — life and annuities	$	819		$	822		$	896		$	974
Fees and commission income		2,657			1,944			1,775			2,194
Net investment income		16,765			19,658			20,894			20,443
Net realized and unrealized gains		18,259			28,280			1,691			25,382
		38,500			50,704			25,256			48,993
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(97,895	)		(58,506	)		(58,417	)		(3,298	)
Reduction in provisions for bad debt		(329	)		—			(527	)		(2,255	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(2,206	)		(12,579	)		(11,661	)		(12,852	)
Amortization of fair value adjustments		4,207			8,538			2,240			7,587
		(96,223	)		(62,547	)		(68,365	)		(10,818	)
Life and annuity policy benefits		(2,992	)		822			896			974
Salaries and benefits		30,505			25,138			24,379			20,451
General and administrative expenses		13,169			14,409			14,156			14,858
Interest expense		2,540			1,713			2,062			2,111
Net foreign exchange (gains) losses		(2,212	)		977			(627	)		2,268
		(55,213	)		(19,488	)		(27,499	)		29,844
EARNINGS BEFORE INCOME TAXES		93,713			70,192			52,755			19,149
INCOME TAXES		(13,943	)		(14,700	)		(11,905	)		(3,742	)
NET EARNINGS		79,770			55,492			40,850			15,407
Less: Netearnings attributable to noncontrolling interest		(9,864	)		(7,776	)		(129	)		(5,733	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	69,906		$	47,716		$	40,721		$	9,674
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	4.25		$	2.90		$	2.48		$	0.59
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	4.22		$	2.86		$	2.44		$	0.58

197

ENSTAR GROUP LIMITED

NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS — (Continued)

	2011 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — life and annuities	$	1,080		$	1,192		$	1,271		$	—
Fees and commission income		10,154			1,623			2,045			4,036
Net investment income		15,571			18,498			19,059			15,548
Net realized and unrealized gains (losses)		2,231			(8,512	)		9,133			6,362
Gain on bargain purchase		—			—			—			13,105
		29,036			12,801			31,508			39,051
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(173,924	)		(43,615	)		(28,079	)		(2,612	)
Reduction in provisions for bad debt		(38,751	)		(2,399	)		(1,672	)		—
Reduction in provisions for unallocated loss adjustment expense liabilities		(7,669	)		(14,113	)		(11,783	)		(11,537	)
Amortization of fair value adjustments		16,782			8,865			6,969			10,077
		(203,562	)		(51,262	)		(34,565	)		(4,072	)
Life and annuity policy benefits		(2,304	)		2,340			1,521			—
Salaries and benefits		41,818			20,923			16,723			10,382
General and administrative expenses		5,090			20,759			28,211			17,750
Interest expense		2,431			2,435			1,697			1,966
Net foreign exchange (gains) losses		(15	)		(8,878	)		1,932			7,334
		(156,542	)		(13,683	)		15,519			33,360
EARNINGS BEFORE INCOME TAXES		185,578			26,484			15,989			5,691
INCOME TAXES		(19,256	)		(4,436	)		(975	)		(617	)
NET EARNINGS		166,322			22,048			15,014			5,074
Less: Netearnings attributable to noncontrolling interest		(37,571	)		(9,984	)		(5,639	)		(1,571	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	128,751		$	12,064		$	9,375		$	3,503
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.89		$	0.85		$	0.67		$	0.27
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.71		$	0.83		$	0.66		$	0.26

198

SCHEDULE I

ENSTAR GROUP LIMITED

SUMMARY OF INVESTMENTS OTHER THAN INVESTMENTS IN RELATED PARTIES

AS AT DECEMBER 31, 2013

(Expressed in thousands of U.S. Dollars)

Type of investment	Amortized Cost		Fair Value		Amount at which shown in the balance sheet
Fixed maturity securities and short term investments — Trading:
U.S. government and agency	$	440,148	$	439,946	$	439,946
Non-U.S. government		469,281		476,224		476,224
Corporate		2,121,013		2,123,675		2,123,675
Municipal		40,889		41,034		41,034
Residential mortgage-backed		219,461		218,457		218,457
Commercial mortgage-backed		115,351		114,637		114,637
Asset-backed		247,596		248,748		248,748
Total		3,653,739		3,662,721		3,662,721
Fixed maturity securities — Held-to-maturity:
U.S. government and agency		19,992		18,132		19,992
Non-U.S. government		23,592		22,327		23,592
Corporate		815,803		759,100		815,803
Total		859,387		799,559		859,387
Fixed maturity securities and short term investments — Available-for-sale:
U.S. government and agency		28,050		28,343		28,343
Non-U.S. government		84,443		86,292		86,292
Corporate		76,942		77,904		77,904
Residential mortgage-backed		17,523		17,507		17,507
Asset-backed		36,344		36,318		36,318
Total		243,302		246,364		246,364
Equities		156,686		182,033		182,033
Other investments				456,839		456,839
Total			$	5,347,516	$	5,407,344

199

SCHEDULE II

ENSTAR GROUP LIMITED

CONDENSED FINANCIAL INFORMATION OF THE REGISTRANT

BALANCE SHEETS — PARENT COMPANY ONLY

As of December 31, 2013 and 2012

	2013			2012
	(in thousands of U.S. dollars, except share data)
ASSETS
Cash and cash equivalents	$	27,989		$	180,810
Balances due from subsidiaries		363,113			308,364
Investments in subsidiaries		1,654,508			1,367,286
Accounts receivable and other assets		306			294
TOTAL ASSETS	$	2,045,916		$	1,856,754
LIABILITIES
Accounts payable and accrued liabilities	$	1,761		$	3,757
Loans payable		143,258			138
Balances due to subsidiaries		145,374			299,104
TOTAL LIABILITIES		290,393			302,999
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY
Share capital
Authorized issued and fully paid, par value $1 each (Authorized 2012: 156,000,000; 2011: 156,000,000)
Ordinary shares (Issued 2013: 13,802,706; 2012: 13,752,172)		13,803			13,752
Non-voting convertible ordinary shares:
Series A (issued 2012: 2,972,892; 2011: 2,972,892)		2,973			2,973
Series B, C and D (issued and outstanding 2012: 2,725,637; 2011: 2,725,637)		2,726			2,726
Treasury stock at cost (Series A non-voting convertible ordinary shares 2012: 2,972,892; 2011: 2,972,892)		(421,559	)		(421,559	)
Additional paid-in capital		962,145			958,571
Accumulated other comprehensive income		13,978			24,439
Retained earnings		1,181,457			972,853
TOTAL SHAREHOLDERS’ EQUITY		1,755,523			1,553,755
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	2,045,916		$	1,856,754

See accompanying report of independent registered public accounting firm

200

ENSTAR GROUP LIMITED

CONDENSED FINANCIAL INFORMATION OF REGISTRANT

STATEMENT OF EARNINGS — PARENT COMPANY ONLY

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012		2011
	(in thousands of U.S. dollars)
INCOME
Net investment income	$	8,561		$	8,365	$	3,928
Dividend income from subsidiaries		27,118			92,450		18,900
		35,679			100,815		22,828
EXPENSES
Salaries and benefits		117			1,179		2,738
General and administrative expenses		15,747			3,816		17,566
Interest expense		10,475			11,505		9,813
Net foreign exchange (gains) losses		(1,696	)		942		(29	)
		24,643			17,442		30,088
EARNINGS (LOSS) BEFORE EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES		11,036			83,373		(7,260	)
EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES		197,568			84,644		160,953
NET EARNINGS	$	208,604		$	168,017	$	153,693

See accompanying report of independent registered public accounting firm

201

ENSTAR GROUP LIMITED

CONDENSED FINANCIAL INFORMATION OF REGISTRANT

STATEMENTS OF CASH FLOWS — PARENT COMPANY ONLY

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012			2011
	(in thousands of U.S. dollars)
OPERATING ACTIVITIES:
Net cash flows used in operating activities	$	(174,868	)	$	(26,926	)	$	(142,600	)
INVESTING ACTIVITIES:
Return of capital, net		(72,953	)		100,516			18,839
FINANCING ACTIVITIES:
Repayment of loans		—			(64,102	)		(185,442	)
Receipt of loans		95,000			—			167,650
Proceeds from issuance of ordinary shares		—			—			287,377
Net cash flows provided by (used in) financing activities		95,000			(64,102	)		269,585
NET INCREASE IN CASH AND CASH EQUIVALENTS		(152,821	)		9,488			145,824
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR		180,810			171,322			25,498
CASH AND CASH EQUIVALENTS, END OF YEAR	$	27,989		$	180,810		$	171,322

See accompanying report of independent registered public accounting firm

202

SCHEDULE III

ENSTAR GROUP LIMITED

SUPPLEMENTARY INSURANCE INFORMATION

(Expressed in thousands of U.S. Dollars)

	Deferred Acquisition Costs		Reserves for Losses and Loss Adjustment Expenses		Unearned Premiums		Other Benefits Payable		Net Premiums Earned		Net Investment Income			Losses and Loss Expenses and Policy Benefits			Amortization of Deferred Acquisition Costs		Other Operating Expenses			Net Premiums Written
2013
Non-life Run-off	$	—	$	4,004,513	$	1,199	$	—	$	112,611	$	64,048		$	(182,975	)	$	14,379	$	191,268		$	9,233
Life and Annuities		—		—		3,694		1,273,100		94,984		30,182			78,354			8,820		22,452			63,856
Active Underwriting		16,744		215,392		65,804		—		32,212		521			19,303			—		9,660			30,104
Eliminations		—		—		—		—		—		(1,456	)		—			—		(4,132	)		—
Total	$	16,744	$	4,219,905	$	70,697	$	1,273,100	$	239,807	$	93,295		$	(85,318	)	$	23,199	$	219,248		$	103,193
2012
Non-life Run-off	$	—	$	3,650,127	$	—	$	—	$	—	$	76,813		$	(237,953	)	$	—	$	164,143		$	—
Life and Annuities		—		—		—		11,027		3,511		947			(300	)		—		2,467			3,511
Eliminations		—		—		—		—		—		—			—			—		(713	)		—
Total	$	—	$	3,650,127	$	—	$	11,027	$	3,511	$	77,760		$	(238,253	)	$	—	$	165,897		$	3,511
2011
Non-life Run-off	$	—	$	4,272,081	$	—	$	—	$	—	$	66,556		$	(293,461	)	$	—	$	170,000		$	—
Life and Annuities		—		—		—		10,835		3,543		2,120			1,557			—		558			3,543
Total	$	—	$	4,272,081	$	—	$	10,835	$	3,543	$	68,676		$	(291,904	)	$	—	$	170,558		$	3,543

203

SCHEDULE IV

ENSTAR GROUP LIMITED

REINSURANCE

For the Years Ended December 31, 2013, 2012 and 2011

(Expressed in thousands of U.S. Dollars)

	Gross		Ceded to Other Companies		Assumed from Other Companies		Net Amount		Percentage of Amount Assumed to Net
2013
Life reinsurance in force	$	21,508,144	$	3,824,429	$	80,681	$	17,764,396		0.5	%
Premiums Earned:
Property and Casualty		134,402		11,651		22,072		144,823		15.2	%
Life and Annuity		87,531		8,131		15,584		94,984		16.4	%
Total Premiums Earned	$	221,933	$	19,782	$	37,656	$	239,807
2012
Life reinsurance in force	$	1,330,219	$	1,191,886	$	—	$	138,333		0.0	%
Premiums Earned:
Property and Casualty		—		—		—		—		0.0	%
Life and Annuity		5,421		1,910		—		3,511		0.0	%
Total Premiums Earned	$	5,421	$	1,910	$	—	$	3,511
2011
Life reinsurance in force	$	1,570,040	$	1,406,867	$	—	$	163,173		0.0	%
Premiums Earned:
Property and Casualty		—		—		—		—		0.0	%
Life and Annuity		5,240		1,697		—		3,543		0.0	%
Total Premiums Earned	$	5,240	$	1,697	$	—	$	3,543

204

SCHEDULE VI

ENSTAR GROUP LIMITED

SUPPLEMENTARY INFORMATION CONCERNING PROPERTY/CASUALTY INSURANCE OPERATIONS

As at and for the years ended December 31, 2013, 2012 and 2011

(Expressed in thousands of U.S. Dollars)

	Deferred Acquisition Costs		Reserves for Unpaid Losses and Loss Adjustment Expenses				Net Premiums Earned		Net Investment Income		Net Losses and Loss Expenses Incurred					Net Paid Losses and Loss Expenses		Amortization of Deferred Acquisition Costs		Other Operating Expenses		Net Premiums Written
Affiliation with Registrant					Unearned Premiums						Current Year		Prior Year
Consolidated Subsidiaries
2013	$	16,744	$	4,219,905	$	67,003	$	144,823	$	63,113	$	93,442	$	(257,114	)	$	401,496	$	23,199	$	200,928	$	39,337
2012		—		3,650,127		—		—		76,813		—		(237,953	)		314,528		—		164,143		—
2011		—		4,272,081		—		—		66,556		—		(293,461	)		288,175		—		170,000		—

205

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

Not applicable

ITEM 9A. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

Our management has performed an evaluation, with the participation of our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Exchange Act), as of December 31, 2013. Based upon that evaluation, our 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 reports that we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the rules and forms of the SEC and is accumulated and communicated to management, including its principal executive and principal financial officers, as appropriate to allow timely decisions regarding required disclosure.

Management’s Annual Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act). Our management has performed an assessment, with the participation of our Chief Executive Officer and our Chief Financial Officer, of our internal control over financial reporting as of December 31, 2013. In making this assessment, our management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission in Internal Control — Integrated Framework (1992). Based upon that assessment, our management believes that, as of December 31, 2013, our internal control over financial reporting is effective.

In accordance with applicable SEC guidance, our management’s evaluation for internal control over financial reporting as of December 31, 2013 did not include an evaluation of the internal control over financial reporting of the following companies acquired during 2013: (i) SeaBright Holdings, Inc. (acquired on February 7, 2013), (ii) the Pavonia companies (acquired on March 31, 2013), (iii) Arden Reinsurance Company Ltd. (60% interest acquired on September 9, 2013), and (iv) Atrium Underwriting Group Ltd. (60% interest acquired on November 25, 2013). Our interests in the acquired companies collectively represented 37.0% of our total assets and 41.0% of our total liabilities as of December 31, 2013. We are in the process of incorporating our controls and procedures into these businesses.

The effectiveness of our internal control over financial reporting as of December 31, 2013 has been audited by our independent registered public accounting firm as stated in its report. This report appears on page 208.

All internal control systems, no matter how well designed, have inherent limitations. As a result, even those internal control systems determined to be effective can provide only reasonable assurance with respect to financial reporting and the preparation of financial statements. No evaluation of controls can provide absolute assurance that all control issues and instances of fraud, if any, within our company have been detected.

Changes in Internal Control Over Financial Reporting

Our management has performed an evaluation, with the participation of our Chief Executive Officer and our Chief Financial Officer, of changes in our internal control over financial reporting that occurred during the three months ended December 31, 2013. Based upon that evaluation there were no changes in our internal control over financial reporting that occurred during the quarter ended December 31, 2013 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

206

ITEM 9B. OTHER INFORMATION

On February 26, 2014, our Board of Directors, following recommendation by our Nominating and Governance Committee, agreed that, subject to the closing of the Torus amalgamation, Kenneth W. Moore will become a director, effective at the time of such closing.

Under the Shareholder Rights Agreement that we and First Reserve have agreed to enter into at the closing of the Amalgamation, First Reserve will have the right to designate one representative to our Board of Directors. This designation right would terminate if First Reserve ceases to beneficially own at least 75% of the total number of voting and non-voting shares acquired by it under the Amalgamation Agreement. First Reserve will receive approximately 9.5% of our ordinary voting shares outstanding, as well as non-voting preferred shares at closing (which, together with the voting shares received, will represent an approximately 11.5% economic interest). Mr. Moore is an officer, director, and less than 10% holder of the general partner entities for the First Reserve funds that will receive our shares. First Reserve had advised us that Mr. Moore would be its designated representative. We expect that Mr. Moore would also be appointed to our Audit and Investment Committees.

Mr. Moore is a Managing Director of First Reserve Corporation, a global energy-focused private equity fund, which he joined in 2004. Mr. Moore has served as a director of Torus since 2007 and as Chairman of its Board since May 2012. Prior to joining First Reserve, he spent four years with Morgan Stanley in New York. He holds a B.A. from Tufts University and an M.B.A. from the Johnson School of Management at Cornell University.

As a non-employee director, Mr. Moore would be eligible to participate in our Deferred Compensation and Ordinary Share Plan for Non-Employee Directors, which is described in our Proxy Statement (filed with the U.S. Securities and Exchange Commission on March 27, 2013), under the heading, “Director Compensation — Deferred Compensation Plan.”

Mr. Moore would also enter into an indemnification agreement with us, subject to and effective upon the closing of the Amalgamation, which includes the same terms as the indemnification agreements executed with each of our other current directors. These terms are described in our Proxy Statement under the heading, “Certain Relationships and Related Transactions — Indemnification of Directors and Officers; Directors Indemnity Agreements.”

207

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of

Enstar Group Limited

We have audited Enstar Group Limited’s internal control over financial reporting as of December 31, 2013, based on the criteria established in Internal Control — Integrated Framework (1992) issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). Enstar Group Limited’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Form 10-K under Item 9A, “Controls and Procedures”. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company’s internal control over financial reporting is a process designed 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. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, Enstar Group Limited maintained, in all material respects, effective internal control over financial reporting as of December 31, 2013, based on the criteria established in Internal Control – Integrated Framework (1992) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

As described in Management’s Report on Internal Control over Financial Reporting, management has excluded from its assessment of internal control over financial reporting as of December 31, 2013 the following companies acquired during 2013: (i) SeaBright Holdings, Inc. (acquired on February 7, 2013), (ii) the Pavonia companies (acquired on March 31, 2013), (iii) Arden Reinsurance Company Ltd. (60% interest acquired on September 9, 2013), and (iv) Atrium Underwriting Group Ltd. (60% interest acquired on November 25, 2013). We have also excluded these acquired companies from our audit of internal control over financial reporting. The Company’s interests in the acquired companies collectively represented 37.0% of the Company’s total assets and 41.0% of the Company’s total liabilities as of December 31, 2013.

208

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheet of Enstar Group Limited as of December 31, 2013, and the related consolidated statements of earnings, comprehensive income, changes in shareholders’ equity and cash flows for each of the years in the two-year period ended December 31, 2013 In connection with our audits of the consolidated financial statements, we have also audited financial statement Schedules I, II, III, IV and VI as of December 31, 2013 and 2012 and for each of the years in the two-year period ended December 31, 2013. Our report dated March 3, 2014 expressed an unqualified opinion on those consolidated financial statements.

/s/ KPMG Audit Limited

Hamilton, Bermuda

March 3, 2014

209

PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

The information required by this item is incorporated by reference from the definitive proxy statement for our 2014 Annual General Meeting of Shareholders that will be filed with the SEC not later than 120 days after the close of the fiscal year ended December 31, 2013 pursuant to Regulation 14A.

ITEM 11. EXECUTIVE COMPENSATION

The information required by this item is incorporated by reference from the definitive proxy statement for our 2014 Annual General Meeting of Shareholders that will be filed with the SEC not later than 120 days after the close of the fiscal year ended December 31, 2013 pursuant to Regulation 14A.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

The information required by this item is incorporated by reference from the definitive proxy statement for our 2014 Annual General Meeting of Shareholders that will be filed with the SEC not later than 120 days after the close of the fiscal year ended December 31, 2013 pursuant to Regulation 14A.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

The information required by this item is incorporated by reference from the definitive proxy statement for our 2014 Annual General Meeting of Shareholders that will be filed with the SEC not later than 120 days after the close of the fiscal year ended December 31, 2013 pursuant to Regulation 14A.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by this item is incorporated by reference from the definitive proxy statement for our 2014 Annual General Meeting of Shareholders that will be filed with the SEC not later than 120 days after the close of the fiscal year ended December 31, 2013 pursuant to Regulation 14A.

210

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

(a) Financial Statements, Financial Statement Schedules and Exhibits.

1. Financial Statements

Included in Part II — See Item 8 of this report.

2. Financial Statement Schedules

Included in Part II — See Item 8 of this report.

3. Exhibits

The information required by this Item is set forth on the exhibit index that follows the signature page of this report.

211

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) 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 on March 3, 2014.

ENSTAR GROUP LIMITED
By:	/S/ DOMINIC F. SILVESTER
	Dominic F. Silvester Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities indicated on March 3, 2014.

Signature	Title
/s/    ROBERT J. CAMPBELL Robert J. Campbell	Chairman and Director
/s/    DOMINIC F. SILVESTER Dominic F. Silvester	Chief Executive Officer and Director
/s/    RICHARD J. HARRIS Richard J. Harris	Chief Financial Officer (signing in his capacity as both principal financial officer and principal accounting officer)
/s/    PAUL J. O’SHEA Paul J. O’Shea	Executive Vice President and Director
/s/    T. WHIT ARMSTRONG T. Whit Armstrong	Director
/s/    CHARLES T. AKRE, JR. Charles T. Akre, Jr.	Director
/s/    JAMES D. CAREY James D. Carey	Director
/s/    KENNETH J. LESTRANGE Kenneth J. LeStrange	Director
/s/    SUMIT RAJPAL Sumit Rajpal	Director

212

Exhibit Index

Exhibit No.	Description
2.1¿	Agreement and Plan of Merger, dated as of May 23, 2006, as amended on November 21, 2006, by and among Castlewood Holdings Limited, CWMS Subsidiary Corp. and The Enstar Group, Inc. (incorporated by reference to Exhibit 2.1 (and Annex A) to the proxy statement/prospectus that forms a part of the Company’s Form S-4 declared effective December 15, 2006).
2.2¿	Recapitalization Agreement, dated as of May 23, 2006, among Castlewood Holdings Limited, The Enstar Group, Inc. and the other parties signatory thereto (incorporated by reference to Exhibit 2.2 (and Annex C) to the proxy statement/prospectus that forms a part of the Company’s Form S-4 declared effective December 15, 2006).
2.3¿	Stock Purchase Agreement among Clarendon Insurance Group, Inc., Hannover Finance, Inc. and Clarendon Holdings, Inc. and the Company, dated as of December 21, 2010 (incorporated by reference to Exhibit 2.1 of the Company’s Form 10-Q filed on August 2, 2012).
2.4¿	Agreement and Plan of Merger, dated as of August 27, 2012, among Enstar Group Limited, AML Acquisition, Corp. and SeaBright Holdings, Inc. (incorporated by reference to Exhibit 2.1 of the Company’s Form 8-K filed on August 28, 2012).
2.5¿	Stock Purchase Agreement, dated September 6, 2012, among Household Insurance Group Holding Company, Pavonia Holdings (US), Inc. and Enstar Group Limited (incorporated by reference to Exhibit 2.2 of the Company’s Form 10-Q filed on November 8, 2012).
2.6¿	Share Purchase Agreement, dated June 5, 2013, by and among Arden Holdings Limited, Alopuc Limited and Kenmare Holdings Ltd. for the sale and purchase of the entire issued share capital of Atrium Underwriting Group Limited (incorporated by reference to Exhibit 2.1 of the Company’s Form 10-Q filed on August 9, 2013), as amended by the Deed of Variation, dated October 3, 2013 (incorporated by reference to Exhibit 2.2 of the Company’s Form 10-Q filed on November 7, 2013).
2.7*	Deed of Variation, dated November 21, 2013, to the Share Purchase Agreement, dated June 5, 2013, by and among Arden Holdings Limited, Alopuc Limited and Kenmare Holdings Ltd. for the sale and purchase of the entire issued share capital of Atrium Underwriting Group Limited.
2.8¿	Share Purchase Agreement, dated June 5, 2013, by and among Arden Holdings Limited, Northshore Holdings Limited and Kenmare Holdings Ltd. for the sale and purchase of the entire issued share capital of Arden Reinsurance Company Limited (incorporated by reference to Exhibit 2.2 of the Company’s Form 10-Q filed on August 9, 2013).
2.9¿	Agreement and Plan of Amalgamation, dated July 8, 2013, by and among Enstar Group Limited, Veranda Holdings Ltd., Hudson Securityholders Representative LLC, and Torus Insurance Holdings Limited (incorporated by reference to Exhibit 2.3 of the Company’s Form 10-Q filed on August 9, 2013).
3.1	Memorandum of Association of Enstar Group Limited (incorporated by reference to Exhibit 3.1 to the Company’s Form 10-K/A filed on May 5, 2011).
3.2	Third Amended and Restated Bye-Laws of Enstar Group Limited (incorporated by reference to Exhibit 3.1(b) of the Company’s Form 10-Q filed on August 5, 2011).
3.3	Certificate of Designations for the Series A Convertible Participating Non-Voting Perpetual Preferred Stock (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed on April 21, 2011).
3.4	Certificate of Designations for the Series B Convertible Participating Non-Voting Perpetual Preferred Stock (incorporated by reference to Exhibit 3.1 of the Company’s Form 8-K filed on July 9, 2013).
10.1	Registration Rights Agreement, dated as of January 31, 2007, by and among Castlewood Holdings Limited, Trident II, L.P., Marsh & McLennan Capital Professionals Fund, L.P., Marsh & McLennan Employees’ Securities Company, L.P., Dominic F. Silvester, J. Christopher Flowers (rights subsequently assigned to Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. in May 2012), and other parties thereto set forth on the Schedule of Shareholders attached thereto (incorporated by reference to Exhibit 10.1 of the Company’s Form 8-K12B filed on January 31, 2007) (file no. 001-33289).

213

Exhibit No.	Description
10.2+	Form of Director Indemnification Agreement (incorporated by reference to Exhibit 10.1 of the Company’s Form S-3 (No. 333-151461) initially filed on June 5, 2008) (file no. 333-151461).
10.3+	Amended and Restated Employment Agreement, effective May 1, 2007 and amended and restated June 4, 2007, by and between Enstar Group Limited and Dominic F. Silvester, as amended by Letter Agreement, effective January 1, 2011, and Letter Agreement, dated April 19, 2012 (incorporated by reference to Exhibit 10.1 of the Company’s Form 10-Q filed on May 4, 2012).
10.4+	Employment Agreement, effective May 1, 2007, by and between the Company and Paul J. O’Shea, as amended by Letter Agreement, effective January 1, 2011, and Letter Agreement, dated April 25, 2012 (incorporated by reference to Exhibit 10.2 of the Company’s Form 10-Q filed on May 4, 2012).
10.5+	Employment Agreement, effective May 1, 2007, by and between Enstar Group Limited and Nicholas A. Packer, as amended by Letter Agreement, effective January 1, 2011, and Letter Agreement, dated April 25, 2012 (incorporated by reference to Exhibit 10.3 of the Company’s Form 10-Q filed on May 4, 2012).
10.6+	Employment Agreement, effective May 1, 2007, by and between Enstar Group Limited and Richard J. Harris, as amended by Letter Agreement, effective January 1, 2011, and Letter Agreement, dated April 19, 2012 (incorporated by reference to Exhibit 10.4 of the Company’s Form 10-Q filed on May 4, 2012).
10.7+	Castlewood Holdings Limited 2006 Equity Incentive Plan (incorporated by reference to Exhibit 10.11 to the proxy statement/prospectus that forms a part of the Company’s Form S-4 declared effective December 15, 2006) (file no. 333-135699), as amended by the First Amendment to Castlewood Holdings Limited 2006 Equity Incentive Plan (incorporated by reference to Exhibit 10.2 of the Company’s Form 8-K filed on April 6, 2007) (file no. 001-33289).
10.8+	Form of Award Agreement under the Castlewood Holdings Limited 2006 Equity Incentive Plan (incorporated by reference to Exhibit 10.1 of the Company’s Form 8-K filed on April 6, 2007) (file no. 001-33289).
10.9+	Enstar Group Limited Amended and Restated Employee Share Purchase Plan (incorporated by reference to Appendix A to the Company’s Definitive Proxy Statement filed on April 29, 2008) (file no. 001-33289).
10.10+	Enstar Group Limited Deferred Compensation and Ordinary Share Plan for Non-Employee Directors, effective as of June 5, 2007 (incorporated by reference to Exhibit 10.1 of the Company’s Form 8-K filed on June 11, 2007) (file no. 001-33289).
10.11+	The Enstar Group, Inc. Deferred Compensation and Stock Plan for Non-Employee Directors, as amended (incorporated by reference to Exhibit 10.1 to the Company’s Form 10-Q filed on May 8, 2009).
10.12+	Enstar Group Limited 2011-2015 Annual Incentive Compensation Program (incorporated by reference to Exhibit 10.25 to the Company’s Form 10-K filed on March 7, 2011).
10.13	Investment Agreement, dated as of April 20, 2011, by and among Enstar Group Limited, GSCP VI AIV Navi, Ltd., GSCP VI Offshore Navi, Ltd., GSCP VI Parallel AIV Navi, Ltd., GSCP VI Employee Navi, Ltd., and GSCP VI GmbH Navi, L.P. (incorporated by reference to Exhibit 99.1 of the Company’s Form 8-K filed on April 21, 2011).
10.14	Form of Warrant (incorporated by reference to Exhibit 99.2 of the Company’s Form 8-K filed on April 21, 2011).
10.15	Registration Rights Agreement, dated as of April 20, 2011, by and among Enstar Group Limited, GSCP VI AIV Navi, Ltd., GSCP VI Offshore Navi, Ltd., GSCP VI Parallel AIV Navi, Ltd., GSCP VI Employee Navi, Ltd., and GSCP VI GmbH Navi, L.P. (incorporated by reference to Exhibit 99.3 of the Company’s Form 8-K filed on April 21, 2011).
10.16	Term Facility Agreement dated March 4, 2011 between Clarendon Holdings, Inc. and National Bank Limited (incorporated by reference to Exhibit 10.1 of the Company’s Form 10-Q filed on May 6, 2011).
10.17	Revolving Credit Facility Agreement dated June 14, 2011 among Enstar Group Limited and certain of its Subsidiaries, National Australia Bank Limited and Barclays Corporate as Arrangers, and National Australia Bank Limited as Agent and Security Agent (incorporated by reference to Exhibit 10.9 of the Company’s Form 10-Q filed on August 5, 2011).

214

Exhibit No.	Description
10.18	Amendment Letter, dated July 25, 2012, to Revolving Credit Facility Agreement dated June 14, 2011 among Enstar Group Limited and certain of its Subsidiaries, National Australia Bank Limited and Barclays Corporate as Arrangers, and National Australia Bank Limited as Agent and Security Agent (incorporated by reference to Exhibit 10.1 to the Company’s Form 10-Q filed on November 8, 2012).
10.19	Restatement Agreement for Revolving Credit Facility Agreement, dated July 8, 2013, among Enstar Group Limited and certain of its Subsidiaries, National Australia Bank Limited and Barclays Corporate as Mandated Lead Arrangers, and National Australia Bank Limited as Agent and Security Agent (incorporated by reference to Exhibit 10.1 of the Company’s Form 10-Q filed on August 9, 2013).
10.20	Term Facility Agreement dated December 21, 2012 among SeaBright Holdings, Inc. (as successor by merger to AML Acquisition, Corp.) and certain of its subsidiaries, National Australia Bank Limited and Barclays Bank PLC as Mandated Lead Arrangers, and National Australia Bank Limited as Agent and Security Agent (incorporated by reference to Exhibit 10.27 of the Company’s Form 10-K filed on March 1, 2013).
10.21	Northshore Investors Agreement, dated July 3, 2013, by and among Kenmare Holdings Ltd. and Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. (incorporated by reference to Exhibit 10.2 of the Company’s Form 10-Q filed on August 9, 2013).
10.22	Subscription Letter Agreement, dated July 3, 2013, from Kenmare Holdings Ltd. to Northshore Holdings Limited (incorporated by reference to Exhibit 10.3 of the Company’s Form 10-Q filed on August 9, 2013).
10.23	Subscription Letter Agreement, dated July 3, 2013, from Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. to Northshore Holdings Limited (incorporated by reference to Exhibit 10.4 of the Company’s Form 10-Q filed on August 9, 2013).
10.24	Bayshore Investors Agreement, dated July 8, 2013, by and among Enstar Group Limited, Kenmare Holdings Ltd., and Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. (incorporated by reference to Exhibit 10.5 of the Company’s Form 10-Q filed on August 9, 2013).
10.25	Subscription Letter Agreement, dated July 8, 2013, from Kenmare Holdings Ltd. to Bayshore Holdings Limited (incorporated by reference to Exhibit 10.6 of the Company’s Form 10-Q filed on August 9, 2013).
10.26	Subscription Letter Agreement, dated July 8, 2013, from Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. to Bayshore Holdings Limited (incorporated by reference to Exhibit 10.7 of the Company’s Form 10-Q filed on August 9, 2013).
10.27	Northshore Shareholders’ Agreement, dated September 6, 2013, among Northshore Holdings Limited, Kenmare Holdings Ltd., Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. (incorporated by reference to Exhibit 10.1 of the Company’s Form 8-K filed on September 11, 2013).
21.1*	List of Subsidiaries.
23.1*	Consent of KPMG Audit Limited.
23.2*	Consent of Deloitte & Touche Ltd.
31.1*	Certification of Chief Executive Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934 as adopted under Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange Act of 1934 as adopted under Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101*	Interactive Data Files.

* filed herewith

** furnished herewith

+ denotes management contract or compensatory arrangement

¿ certain of the schedules and similar attachments are not filed but Enstar Group Limited undertakes to furnish a copy of the schedules or similar attachments to the SEC upon request

215

EX-2.7

Exhibit 2.7

CONFIDENTIAL EXECUTION VERSION

Dated 21 November 2013

ARDEN HOLDINGS LIMITED

and

ALOPUC LIMITED

and

KENMARE HOLDINGS LTD

DEED OF VARIATION

Contents

Clause		Page
1	Interpretation		3
2	Pre-completion dividend		4
3	W&I Policy		4
4	Variation of the Atrium SPA in respect of Pre-completion Dividend		6
5	Variation of the Atrium SPA and Taxation Deed in respect of W&I policy		6
6	Variation of the Atrium SPA in respect of completion arrangements		7
7	Continuation of the Atrium SPA		7
8	Miscellaneous		8

THIS DEED OF VARIATION is made on 21 November 2013

BETWEEN:

(1) ARDEN HOLDINGS LIMITED (company registration number 37470) whose registered office is at Clarendon House, 2 Church Street, Hamilton, Bermuda (the Seller);

(2) ALOPUC LIMITED (company registration number 8538477) whose registered office is at Avaya House, 2 Cathedral Hill, Guildford, Surrey, GU2 7YL, UK (the Buyer); and

(3) KENMARE HOLDINGS LTD (company registration number 30917) whose registered office is at Clarendon House, 2 Church Street, Hamilton HM11, Bermuda (the Guarantor),

together the Parties, and is supplemental to the agreement between the Parties made on 5 June 2013 for the sale and purchase of the entire issued share capital of Atrium Underwriting Group Limited (the Company) as such agreement was amended by way of a deed of variation between the Parties made on 3 October 2013 (such agreement, as amended, the Atrium SPA).

WHEREAS:

(A) Pursuant to clause 21 of the Atrium SPA the Parties have agreed to amend the Atrium SPA, in order, inter alia, (i) to permit the Company to pay a pre-completion dividend to the Seller in the amount of USD$25million, to amend the definition of Purchase Price and to vary the amount of the Delayed Completion Fee; (ii) to amend the Atrium SPA with regard to a warranty and indemnity insurance policy to be entered into between the Buyer and an insurer; and (iii) to amend the Atrium SPA in respect of certain arrangements for Completion.

(B) This Deed is intended to give effect to these amendments.

IT IS AGREED as follows:

1 Interpretation

1.1 In this Deed unless the context otherwise requires:

(a) words importing any gender include every gender;

(b) words importing persons include an individual, company, corporation, firm, partnership, unincorporated association or body of persons, and any state, or governmental or local division or agency of a state;

(c) references to clauses and schedules are references to the relevant clause in or schedule to this Deed;

(d) references in this Deed to any specified provision of this Deed or the Atrium SPA are to this Deed, the Atrium SPA or that provision as in force for the time being and as amended from time to time;

(e) references to any statute or statutory provision shall include (i) any subordinate legislation made under it, (ii) any provision which it has superseded or re-enacted (whether with or without modification) and (iii) any provision superseding or re-enacting it (whether with or without modifications); and

(f) the rule known as the ejusdem generis rule shall not apply, and accordingly words introduced by words and phrases such as “include”, “including”, “other” and “in particular” shall not be given a restrictive meaning or limit the generality of any preceding words or be construed as being limited to the same class as the preceding words where a wider construction is possible.

1.2 Words and phrases defined in the Atrium SPA shall have the same meanings in this Deed. In addition, the following terms shall have the following meanings:

Insurer means the underwriter(s) of the W&I Policy.

Maximum Premium means USD$592,500 or such other amount as may be agreed between the Buyer and the Seller.

Policy Issuance Date means the date on which the W&I Policy becomes binding on the parties to it.

Policy Negotiation Period means the period from the date of this Deed to the date falling one month after the date of this Deed.

W&I Policy means a warranty and indemnity policy between the Buyer and the Insurer:

(a) on terms satisfactory to the Seller and the Buyer, each acting reasonably;

(b) relating to the Seller’s Warranties other than the Title and Capacity Warranties and (where applicable) relating to claims under the Taxation Deed;

(c) covering, in each case, the liability the Seller would have had in the absence of this Deed;

(d) having a maximum policy limit of $39,500,000 for all claims under the W&I Policy and a sub-limit of $15,800,000 for all claims in relation to the Seller’s Warranties (other than any claim under the Taxation Deed or any Tax Claim); and

(e) requiring payment of a premium, including insurance premium tax, not exceeding the Maximum Premium.

2 Pre-completion dividend

2.1 Notwithstanding the restriction set out in paragraph 2(g) of Schedule 5 to the Atrium SPA the Buyer hereby gives its consent to the payment by the Company to the Seller, subject to compliance with applicable laws and regulations, of a pre-completion dividend in the amount of USD$25,000,000 from available cash in hand (Pre-completion Dividend).

2.2 The Seller shall procure that the Pre-completion Dividend is paid within two (2) Business Days of the Date of this Deed.

2.3 The Buyer confirms for the purposes of sub-paragraph (b) of the definition of “Permitted Leakage” in Schedule 6 to the Atrium SPA that the Pre-completion Dividend is agreed by the Buyer to be Permitted Leakage.

3 W&I Policy

3.1 During the Policy Negotiation Period the Buyer shall take all steps which a reasonable and prudent buyer of a W&I policy would take in order to obtain a W&I policy on the same terms as the W&I Policy to procure that the W&I Policy will be issued as soon as possible after the date of this Deed, provided that the Buyer shall not be required to pay any premium to the Insurer where such premium and any applicable insurance premium tax exceeds the amount received from the Seller under Clause 3.2. In doing so, the Buyer shall use all reasonable endeavours to:

(a) deliver, or procure delivery, of all items reasonably requested by the Insurer to enable the W&I Policy to be issued;

(b) do all things reasonably required by the Insurer to enable the W&I Policy to be issued; and

(c) deliver the No Claims Declaration (as defined in the W&I Policy) to the Insurer, except where the content of that declaration would not be true at the date of delivery.

3.2 No less than five (5) Business Days before the proposed Policy Issuance Date the Buyer shall send to the Seller:

(a) a draft of the Insurer’s invoice setting out the amount of premium due under the W&I Policy and any applicable insurance premium tax; and

(b) a draft of the W&I Policy in the form then reached in negotiations,

and shall thereafter keep the Seller informed of any changes that are made to those documents. Subject to the Seller approving the terms of the W&I Policy, acting reasonably, the Seller shall within five (5) Business Days of being sent such information pay the premium together with any applicable insurance premium tax (which in total shall not be more than the Maximum Premium) to such account of the Buyer as the Buyer may specify.

3.3 The Buyer shall, upon receipt of the premium (and in any event within ten (10) Business Days after receipt), use all reasonable endeavours to enter into the W&I Policy and pay the premium (together with any applicable insurance premium tax) to the Insurer, provided that the Buyer shall not be required to enter into the W&I Policy where the premium and insurance premium tax payable under that policy exceeds the amount received from the Seller under Clause 3.2, except where the Seller pays such excess to the Buyer promptly on request.

3.4 As soon as reasonably practicable after the Policy Issuance Date (and in any event within ten (10) Business Days after that date) the Buyer shall deliver to the Seller a copy of the issued W&I Policy.

3.5 Where the Policy Issuance Date has not occurred within ten (10) Business Days after the Buyer’s receipt of payment from the Seller under Clause 3.2, the Buyer shall repay that amount to the Seller together with the interest calculated on a daily basis (at a rate consistent with the 3 Month LIBOR rate as at the date the amount was paid to the Buyer) that has accrued on that amount, to such account as the Seller may specify.

3.6 The Buyer shall procure that the Seller is notified as soon as reasonably practicable of any claim under the W&I Policy and is provided within a reasonable time with such information and reports concerning all material steps and/or proceedings taken by the Buyer or any Group Company in relation to any claim under the W&I Policy as the Seller may from time to time reasonably request.

3.7 The Buyer agrees that after the Policy Issuance Date it will not be entitled to bring any claims under or in relation to the Seller’s Warranties (other than the Title and Capacity Warranties) or, to the extent such claims are covered under the W&I Policy, under or in relation to the Taxation Deed against the Seller (and the Seller shall have no liability for breach of any of the Seller’s Warranties (other than the Title and Capacity Warranties) or, to the extent claims in relation to the Taxation Deed are covered under the W&I Policy, the Taxation Deed) unless the Insurer has not paid the corresponding claim under the W&I Policy as a result of its insolvency or it is prohibited from paying a claim under the W&I Policy by virtue of any applicable law or regulation.

3.8 Where the Buyer has duly made one or more claims against the Insurer in accordance with the W&I Policy and the Insurer fails to pay any amount due from it to the Buyer under the W&I Policy as a result of its insolvency or as a result of being prohibited from paying a claim under the W&I Policy by virtue of any applicable law or regulation the Seller shall, as an independent and primary obligation and notwithstanding any provision of the Atrium SPA (as amended by this Deed), pay such amount to the Buyer within ten (10) Business Days after the Buyer notifies it of such failure, provided that the claim against the Insurer was made within the time limits set out in paragraph 2.1 of Schedule 4 to the Atrium SPA as if that paragraph had not been amended by this Deed.

3.9 For the purposes of clause 3.7 and 3.8 insolvency means that Lloyd’s has failed to apply funds from the Central Fund to the extent that the available assets of the Insurer held in the relevant syndicate premiums trust fund are insufficient to meet the claim under the W&I Policy.

4 Variation of the Atrium SPA in respect of Pre-completion Dividend

4.1 The Parties agree that the Atrium SPA is varied such that:

(a) The definition of Purchase Price in paragraph 1 of Schedule 6 of the Atrium SPA is deleted and replaced with the following:

“Purchase Price means USD$158,000,000”

(b) clause 2.2C of the Atrium SPA is deleted and replaced with the following:

“For the purposes of clause 2.2B “Delayed Completion Fee” shall mean:

USD$21,644 x y

where ‘y’ equals the number of days from (but excluding) 21 November 2013 to (and including) the Completion Date (which shall be deemed to be zero if the Completion Date occurs on or before 21 November 2013).”

4.2 The variations effected by clause 4.1 shall take effect from the date of this Deed and the Atrium SPA shall be read and construed accordingly.

5 Variation of the Atrium SPA and Taxation Deed in respect of W&I policy

5.1 The Parties agree that with effect from the Policy Issuance Date the Atrium SPA is varied such that:

(a) the following is included as paragraph 1.6 of Schedule 4 to the Atrium SPA:

“1.6 For the purposes of paragraph 1.4 of Schedule 4 (but not for the purposes of any other paragraph of this Schedule 4), the expression Relevant Claim shall include any claim (whether or not paid) of the Buyer against an insurer under the W&I Policy (as defined in a deed of variation entered into in respect of this Agreement).”

(b) paragraph 2.1 of Schedule 4 to the Atrium SPA is deleted and replaced with the following:

“2.1 The Seller shall not be liable for a Relevant Claim or a claim under the Taxation Deed unless the Buyer has given the Seller notice of that Relevant Claim or claim under the Taxation Deed, stating in reasonable detail the nature of the Relevant Claim or the claim under the Taxation Deed and the Buyer’s then best estimate of the amount claimed, in the case of:

(a) a claim in respect of the Title and Capacity Warranties, on or before 31 December 2017;

(b) a claim in respect of the Seller’s Warranties (other than the Title and Capacity Warranties), by no later than the date which is 6 months after the Completion Date;

(c) a claim under the Taxation Deed or any Tax Claim, (i) to the extent such claim is covered under the W&I Policy, by no later than the date which is 6 months after the Completion Date; or (ii) to the extent such claim is not covered under the W&I Policy, on or before 31 December 2017;

(d) a claim under clause 11, by no later than the date which is 30 months after the Completion Date;

(e) claims under clause 18, by no later than the third anniversary of the Completion Date; or

(f) any other Relevant Claim, by no later than the first anniversary of the Completion Date.”

(c) paragraph 7.1 of Schedule 4 to the Atrium SPA shall be amended by inserting the words “for which the Seller is liable under this Agreement” after the words “breach of any of the Seller’s Warranties”.

5.2 The Parties agree that with effect from the Policy Issuance Date the Taxation Deed is varied such that the words “in respect of which the Seller is liable under this Deed” are inserted in:

(a) clause 7.1, immediately before the words “the Buyer shall give written notice”; and

(b) clause 7.2, immediately after the words “any Notice of Liability”.

6 Variation of the Atrium SPA in respect of completion arrangements

6.1 The Parties agree that the Atrium SPA is varied such that:

(a) clause 6.2 of the Atrium SPA is deleted and replaced with the following:

“6.2 The sole conditions of escrow (the Escrow Condition) shall be (i) the service of a notice of termination on State Street Bank and Trust Company by ING substantially in the form of Schedule 5 to the ING Deed of Release; (ii) the service of an effective time notice by ING substantially in the form of Schedule 3 to the ING Deed of Release; and (iii) the service of a notice of confirmation of termination effective time on the Seller and Atrium 5 Limited by ING substantially in the form of Schedule 7 to the ING Deed of Release.”;

(b) a new clause 6.13 is added to the Atrium SPA as follows:

“6.13 The Buyer shall indemnify the Seller in respect of any loss or damages that Atrium 5 Limited, for so long as it is a subsidiary of the Seller, may suffer in consequence of Atrium 5 Limited at any time having any liability to ING or any other party under the facility agreement between Atrium 5 Limited, ING, Northshore Holdings Limited and Arden Reinsurance Company Limited or any other agreement or arrangement entered into by Atrium 5 Limited in connection with the facility agreement.”;

(c) paragraph 1(c) of Part A of Schedule 3 to the Atrium SPA shall be amended by adding the words “except, in each case, to the extent the relevant document is held in electronic form and access has been given to the Buyer or any member of the Buyer’s Group before Completion” at the end of that paragraph; and

(d) paragraphs 2(a), 2(d)(v) (referring to the appointment of KPMG as auditors) and 2(d)(iv) (referring to the registered office of the Group Companies) of Part A of Schedule 3 to the Atrium SPA shall be deleted and the other sub-paragraphs of paragraph 2 of Part A of Schedule 3 to the Atrium SPA renumbered accordingly.

6.2 The variations effected by clause 6.1 shall take effect from the date of this Deed and the Atrium SPA shall be read and construed accordingly.

7 Continuation of the Atrium SPA

The Atrium SPA shall remain in full force and effect except as varied in this Deed.

8 Miscellaneous

Third Parties

8.1 For the purposes of the Contracts (Rights of Third Parties) Act 1999 this Deed is enforceable only by the parties to it and their respective successors in title.

Governing Law

8.2 This Deed and any non-contractual obligations connected with it shall be governed by English law.

8.3 The Parties irrevocably agree that all disputes arising under or in connection with this Deed, or in connection with the negotiation, existence, legal validity, enforceability or termination of this Deed, regardless of whether the same shall be regarded as contractual claims or not, shall be exclusively governed by and determined only in accordance with English law.

Jurisdiction

8.4 The Parties irrevocably agree that the courts of England and Wales are to have exclusive jurisdiction, and that no other court is to have jurisdiction to:

(a) determine any claim, dispute or difference arising under or in connection with this Deed, any non-contractual obligations connected with it, or in connection with the negotiation, existence, legal validity, enforceability or termination of this Deed, whether the alleged liability shall arise under the law of England or under the law of some other country and regardless of whether a particular cause of action may successfully be brought in the English courts (Proceedings);

(b) grant interim remedies, or other provisional or protective relief.

8.5 The Parties submit to the exclusive jurisdiction of the courts of England and Wales and accordingly any Proceedings may be brought against the parties or any of their respective assets in such courts.

8.6 Nothing contained in this clause shall limit the right of any Party to commence any proceedings, suit or action seeking the enforcement of any judgment obtained in the courts of England and Wales (Enforcement Proceedings) against any other Party in any other court of competent jurisdiction nor shall taking of Enforcement Proceedings in one or more jurisdictions preclude the taking of Enforcement Proceedings in any other jurisdiction, whether concurrently or not, to the extent permitted by the law of such other jurisdiction.

8.7 Each Party irrevocably waives (and irrevocably agrees not to raise) any objection which it may have now or after Completion to the venue of any Enforcement Proceedings in any such court as is referred to in clause 4.6 and any claim that any such Enforcement Proceedings have been brought in an inconvenient forum and further irrevocably agrees that a judgment in any Enforcement Proceedings brought in any such court shall be conclusive and binding upon such Party and may be enforced in the courts of any other jurisdiction.

EXECUTED AS A DEED, and DELIVERED on the date first above written.

EXECUTED as a deed by ARDEN HOLDINGS LIMITED	/s/ Richard Lutenski
acting by Richard Lutenski, a director, in
the presence of:	Director
/s/ David Hosier
Signature of Witness

WITNESS’ NAME:	David Hosier
WITNESS’ ADDRESS:	31 Victoria St.
	Hamilton, Bermuda
WITNESS’ OCCUPATION:	Accountant

EXECUTED as a deed by ALOPUC LIMITED	/s/ Derek Reid
acting by Derek Reid, a director, in the
presence of:	Director
/s/ David Hackett
Signature of Witness

WITNESS’ NAME:	David Hackett
WITNESS’ ADDRESS:	Fox Borrow Cottage, Foxrurrow Hills Rd.
	Bramley, Surrey UK
WITNESS’ OCCUPATION:	Accountant

EXECUTED as a deed by KENMARE HOLDINGS LTD	/s/ Richard Harris
acting by Richard Harris, a director,
in the presence of:	Director
/s/ Edward Martin
Signature of Witness

WITNESS’ NAME:	Edward Martin
WITNESS’ ADDRESS:	22 Queen Street
	Hamilton, Bermuda
WITNESS’ OCCUPATION:	Lawyer

EX-21.1

Exhibit 21.1

ENSTAR GROUP LIMITED

LISTING OF SUBSIDIARIES

Name	% of Voting Securities			Jurisdiction
Enstar Group Limited		N/A		Bermuda
A. Cumberland Holdings Limited		100	%	Bermuda
1) Enstar Australia Holdings Pty Limited		100	%	Australia
a) Enstar Australia Ltd.		100	%	Australia
i) Cranmore (Australia) Pty Ltd.		100	%	Australia
b) AG Australia Holdings Ltd		100	%	Australia
i) Gordian Run-off Limited		100	%	Australia
c) Shelly Bay Holdings Ltd.		100	%	Australia
i) Harrington Sound Limited		100	%	Australia
B. Enstar Limited		100	%	Bermuda
1) Enstar (EU) Holdings Ltd.		100	%	England
a) Enstar (EU) Ltd.		100	%	England
b) Cranmore (UK) Limited		100	%	England
c) Enstar (EU) Finance Ltd		100	%	England
2) Cranmore (Bermuda) Limited		100	%	Bermuda
a) Cranmore (Asia) Ltd		100	%	Bermuda
i) Cranmore (Asia) Pte Limited		100	%	Singapore
3) Enstar Brokers Limited		100	%	Bermuda
4) Castlewood (Bermuda) Limited		100	%	Bermuda
5) Bantry Holdings Ltd.		50	%	Bermuda
a) Blackrock Holdings Ltd.		30	%	Bermuda
i) Kinsale Brokers Limited		100	%	England
6) Enstar Insurance Management Services Ireland Limited		100	%	Ireland
7) Enstar Investment Management Limited		100	%	Bermuda
C. Kenmare Holdings Limited		100	%	Bermuda
1) Fitzwilliam Insurance Limited		100	%	Bermuda
2) Revir Limited		100	%	Bermuda
a) River Thames Insurance Company		100	%	England
b) Overseas Reinsurance Corporation Limited		100	%	Bermuda
c) Regis Agencies Limited		100	%	England
3) Hudson Reinsurance Company Limited		100	%	Bermuda
a) Chatsworth Limited		100	%	Bermuda
i) Global Legacy Acquisition LP		98	%	Bermuda
4) Harper Holding Sarl		100	%	Luxembourg
a) Harper Insurance Limited		100	%	Switzerland
b) Enstar Holdings (US) Inc.		100	%	Delaware
i) Enstar (US) Inc.		100	%	Delaware
A) Enstar New York, Inc		100	%	New York
ii) Cranmore (US) Inc.		100	%	Delaware
iii) Enstar Investments, Inc.		100	%	Delaware
A) Sun Gulf Holdings, Inc.		100	%	Delaware
I) Capital Assurance Company Inc.		100	%	Florida
II) Capital Assurance Services, Inc.		100	%	Florida
III) Constellation Reinsurance Company		100	%	New York
B) CLIC Holdings, Inc.		100	%	Delaware
I) Claremont Liability Insurance Company		100	%	California
C) PWAC Holdings, Inc.		100	%	Delaware
I) Providence Washington Insurance Solutions, LLC		100	%	Rhode Island
II) PW Acquisition Co.		100	%	Rhode Island
x) Providence Washington Insurance Company		100	%	Rhode Island
xa) York Insurance Company		100	%	Rhode Island
D) Clarendon Holdings, Inc.		100	%	Delaware
I) Clarendon National Insurance Company		100	%	New Jersey
x) Clarendon America Insurance Company		100	%	New Jersey
xi) Harbor Specialty Insurance Company		100	%	New Jersey
E) SeaBright Holdings, Inc.		100	%	Delaware
I) SeaBright Insurance Company		100	%	Illinois
II) Paladin Managed Care Services, Inc.		100	%	California
III) Point Sure Insurance Services, Inc.		100	%	Washington
5) Mercantile Indemnity Company Ltd.		100	%	England
6) Longmynd Insurance Company Ltd.		100	%	England
7) Fieldmill Insurance Company Ltd.		100	%	England
8) Virginia Holdings Ltd.		100	%	Bermuda
a) Unione Italiana (UK) Reinsurance Company		100	%	England
b) Seaton Insurance Company		100	%	Rhode Island
c) Cavell Holdings Limited		100	%	England
i) Cavell Insurance Company Limited		100	%	England
9) Courtenay Holdings Ltd		100	%	Bermuda
a) Enstar Acquisitions Limited		100	%	England
i) Goshawk Insurance Holdings Limited		99.45	%(1)	England
A) Goshawk Holdings (Bermuda) Limited		100	%	Bermuda
I) Rosemont Reinsurance Limited		100	%	Bermuda
B) Goshawk Dedicated Limited		100	%	England
b) Simcoe Holdings Limited		100	%	Bermuda
i) Electricity Producers Insurance Company (Bermuda) Ltd.		100	%	Bermuda
c) Royston Holdings Limited		100	%	Bermuda
i) Royston Run-off Ltd		100	%	England
A) Unionamerica Holdings Limited		100	%	England
I) Unionamerica Acquisition Company Limited		100	%	England
x) Unionamerica Insurance Company Limited		100	%	England
d) Rombalds Limited		100	%	England
10) Comox Holdings Ltd		50.1	%	Bermuda
a) Bosworth Run-Off Limited		100	%	England

ENSTAR GROUP LIMITED

LISTING OF SUBSIDIARIES

Name	% of Voting Securities			Jurisdiction
11) Sundown Holdings Limited		100	%	Bermuda
12) Oceania Holdings Ltd.		100	%	Bermuda
a) Inter-Ocean Holdings Limited		100	%	Bermuda
i) Inter-Ocean Reinsurance Company Ltd.		100	%	Bermuda
A) Inter-Ocean Reinsurance (Ireland) Ltd.		95.0	%(2)	Ireland
13) Flatts Limited		100	%	England
a) Marlon Insurance Company Limited		100	%	England
i) The Copenhagen Reinsurance Company (UK) Limited		100	%	England
14) Shelbourne Group Limited		100	%	England
a) SGL No 1 Ltd.		100	%	England
b) SGL No 3 Ltd.		100	%	England
c) Shelbourne Syndicate Services Ltd		100	%	England
15) Hillcot Re Limited		100	%	England
a) Hillcot Underwriting Management Limited		100	%	England
16) Northshore Holdings Limited		60	%	Bermuda
a) Arden Reinsurance Limited		100	%	Bermuda
i) Ariel Reinsurance Company Escritorio De Representacao No Brasil Ltda.		100	%	Brazil
b) Alopuc Limited		100	%	England
i) Atrium Underwriting Group Ltd.		100	%	England
ii) Atrium Risk Management Services (Washington) Ltd.		100	%	Washington
iii) Atrium Risk Management Services (British Columbia) Ltd.		100	%	Canada
iv) Atrium Insurance Agency (Asia) PTE		100	%	Singapore
v) Atrium 5 Ltd		100	%	England
vi) Atrium Insurance Agency Ltd.		100	%	England
vii) Atrium Group Services Ltd.		100	%	England
viii) Atrium Underwriters Ltd.		100	%	England
ix) Atrium Underwriting Holdings Limited		100	%	England
A) Atrium 1 Ltd.		100	%	England
B) Atrium 2 Ltd.		100	%	England
C) Atrium 3 Ltd.		100	%	England
D) Atrium 4 Ltd.		100	%	England
E) Atrium 6 Ltd.		100	%	England
F) Atrium 7 Ltd.		100	%	England
G) Atrium 8 Ltd.		100	%	England
H) Atrium 9 Ltd.		100	%	England
I) Atrium 10 Ltd.		100	%	England
J) 609 Capital Limited		100	%	England
17) Hove Holdings Limited		100	%	Bermuda
18) Nordic Run-off Limited		100	%	England
19) Knapton Holdings Limited		100	%	England
a) Knapton Insurance Limited		100	%	England
20) New Castle Reinsurance Company Limited		100	%	Bermuda
21) Enstar Financing Ltd.		100	%	Bermuda
22) DLCM No. 1		100	%	England
23) DLCM No. 2		100	%	England
24) DLCM No. 3		100	%	England
25) Bayshore Holdings Ltd.		60	%	Bermuda
a) Veranda Holdings Ltd.		100	%	Bermuda
26) Westshore Holdings Ltd.		100	%	Bermuda
27) Eastshore Holdings Ltd.		100	%	Bermuda
D. Hillcot Holdings Limited		100	%	Bermuda
1) Brampton Insurance Company Limited		100	%	England
E. Enstar USA, Inc.		100	%	Georgia
1) Enstar Financial Services, Inc.		100	%	Florida
2) Enstar Group Operations, Inc.		100	%	Georgia
F. Laguna Life Holdings Ltd.		100	%	Bermuda
1) Laguna Life Holdings SARL		100	%	Luxembourg
1) Pavonia Holdings (US) Inc.		100	%	Delaware
a) Pavonia Life Insurance Company of Delaware		100	%	Delaware
i) Pavonia Life Insurance Company of Arizona		100	%	Arizona
ii) Pavonia Life Insurance Company of Michigan		100	%	Michigan
I) Pavonia Life Insurance Company of New York		100	%	New York
b) Enstar Life (US), Inc.		100	%	Delaware
2) Laguna Life Limited		100	%	Ireland
B.H. Acquisition Ltd.		100	%(3)	Bermuda
1) Brittany Insurance Company Ltd.		100	%	Bermuda
2) Paget Holdings GmbH Ltd.		100	%	Austria

(1) Goshawk Insurance Holdings plc is 89.44% owned by Enstar Acquisition Ltd. and 10.01% owned by Kenmare Holdings Limited.

(2) The remaining 5.0% of the company’s voting securities is owned directly by Inter-Ocean Holdings Limited

(3) B.H. Acquisition Ltd. is 33% owned by Enstar USA, Inc. and 67% owned by Enstar Limited

EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors and Shareholders of

Enstar Group Limited:

We consent to the incorporation by reference in the registration statements No. 333-149551, 333-148863, 333-148862 and 333-141793 on Form S-8 of Enstar Group Limited of our reports dated March 3, 2014, with respect to the consolidated balance sheets of Enstar Group Limited as of December 31, 2013 and 2012, and the related consolidated statements of earnings, comprehensive income, changes in shareholders’ equity and cash flows for each of the years in the two-year period ended December 31, 2013, and financial statement Schedules I, II, III, IV, and VI, as of December 31, 2013 and 2012 and for each of the years in the two year period ended December 31, 2013 and the effectiveness of internal control over financial reporting as of December 31, 2013, which reports appear in the December 31, 2013 annual report on Form 10-K of Enstar Group Limited.

/s/ KPMG Audit Limited

Hamilton, Bermuda

March 3, 2014

EX-23.2

Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statements No. 333-149551, 333-148863, 333-148862 and 333-141793 on Form S-8 of our report dated February 24, 2012, relating to the December 31, 2011 consolidated financial statements of Enstar Group Limited and subsidiaries (the “Company”), appearing in this Annual Report on Form 10-K of Enstar Group Limited and subsidiaries for the year ended December 31, 2013.

/s/ Deloitte & Touche Ltd.

Hamilton, Bermuda

March 3, 2014

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

RULE 13a-14(a)/15d-14(a),

AS ADOPTED PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Dominic F. Silvester, certify that:

1. I have reviewed this Annual Report on Form 10-K of Enstar Group Limited;

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 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 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 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.

Dated: March 3, 2014

/S/ DOMINIC F. SILVESTER

Dominic F. Silvester

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO

RULE 13a-14(a)/15d-14(a),

AS ADOPTED PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Richard J. Harris, certify that:

1. I have reviewed this Annual Report on Form 10-K of Enstar Group Limited;

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 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 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 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.

Dated: March 3, 2014

/S/ RICHARD J. HARRIS

Richard J. Harris

Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION 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 Annual Report of Enstar Group Limited (the “Company”) on Form 10-K for the fiscal year ended December 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Dominic F. Silvester, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) 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.

Dated: March 3, 2013

/S/ DOMINIC F. SILVESTER

Dominic F. Silvester

Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION 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 Annual Report of Enstar Group Limited (the “Company”) on Form 10-K for the fiscal year ended December 31, 2013, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Richard J. Harris, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) 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.

Dated: March 3, 2014

/S/ RICHARD J. HARRIS

Richard J. Harris

Chief Financial Officer

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Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2013

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Forward Contracts Outstanding, Estimated Fair Value, Change in Fair Value and Realized Gains of Derivative Instruments

The following table sets forth the estimated fair value of derivative instruments recorded within other assets on the condensed consolidated balance sheet as at December 31, 2013 and 2012, and realized gains (losses) on derivative instruments recorded in net earnings for the years ended December 31, 2013, 2012 and 2011:

Foreign Exchange Forward Contract	Contract Date		Settlement Date		Contract Amount		Settlement Amount		Fair Value as at December 31,			Net Foreign Exchange Gains  (Losses)
2013
Australian dollar		November 26, 2013		January 3, 2014		AU$45,000		$41,036	$	779		$	779
U.S. dollar		July 1, 2013		January 3, 2014		$40,887		AU$45,000		(630	)		(630	)
Australian dollar		February 8, 2012		May 10, 2013		AU$45,000		$36,099		—			303
British pound		March 6, 2012		March 6, 2013		UKP17,000		$26,611		—			1,023
									$	149		$	1,475
2012
Australian dollar		February 8, 2012		May 10, 2013		AU$35,000		$36,099	$	(238	)	$	(238	)
British pound		March 6, 2012		March 6, 2013		UKP17,000		$26,611		(1,023	)		(1,023	)
Australian dollar		February 8, 2012		December 19, 2012		AU$25,000		$26,165		—			—
									$	(1,261	)	$	(1,261	)
2011
U.S. dollar		September 22, 2011		December 2, 2011		$33,973		AU$35,000	$	—		$	3,008
Australian dollar		August 23, 2011		December 2, 2011		AU$35,000		$36,981		—			—
Australian dollar		October 12, 2010		June 30, 2011		AU$45,000		$42,476		—			(1,917	)
									$	—		$	1,091

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Taxation - Tax Expense (Benefit) for Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Domestic (Bermuda)
Foreign													30,787	34,704	28,924
Current													30,787	34,704	28,924
Deferred:
Domestic (Bermuda)
Foreign													4,832	9,586	(3,640)
Deferred													4,832	9,586	(3,640)
Total tax expense	$ 21,893	$ 1,340	$ 4,542	$ 7,844	$ 13,943	$ 14,700	$ 11,905	$ 3,742	$ 19,256	$ 4,436	$ 975	$ 617	$ 35,619	$ 44,290	$ 25,284

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Condensed Unaudited Quarterly Financial Data (Tables)

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Condensed Unaudited Quarterly Financial Data

	2013 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — non-life run-off	$	12,341		$	28,134		$	41,216		$	30,920
Net premiums earned — life and annuities		29,323			30,540			34,380			741
Net premiums earned — active underwriting		32,212			—			—			—
Fees and commission income		5,012			2,398			2,960			2,447
Net investment income		23,071			25,009			27,252			17,963
Net realized and unrealized gains (losses)		31,440			37,010			(27,919	)		30,120
		133,399			123,091			77,889			82,191
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned —non-life run-off		(14,153	)		24,236			35,523			28,533
Losses incurred — active underwriting		19,352			—			—			—
Reduction in estimates of net ultimate losses		(134,068	)		(27,850	)		(48,500	)		(5,062	)
Increase (reduction) in provisions for bad debt		7,464			(5,465	)		—			—
Reduction in provisions for unallocated loss and loss adjustment expense liabilities		(111	)		(16,320	)		(16,795	)		(16,403	)
Amortization of fair value adjustments		(3,540	)		5,025			2,369			2,093
		(125,056	)		(20,374	)		(27,403	)		9,161
Life and annuity policy benefits		20,970			31,081			25,562			741
Acquisition costs		5,050			6,149			9,613			2,387
Salaries and benefits		45,603			29,716			25,687			23,610
General and administrative expenses		19,538			29,126			20,002			17,946
Interest expense		3,593			3,270			3,091			2,435
Net foreign exchange (gains) losses		(375	)		(673	)		(8,403	)		5,082
		(22,677	)		78,295			48,149			61,362
EARNINGS BEFORE INCOME TAXES		164,076			44,796			29,740			20,829
INCOME TAXES		(21,893	)		(1,340	)		(4,542	)		(7,844	)
NET EARNINGS		142,183			43,456			25,198			12,985
Less: Netearnings attributable to noncontrolling interest		(4,722	)		(3,469	)		(6,001	)		(1,026	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	137,461		$	39,987		$	19,197		$	11,959
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.32		$	2.42		$	1.16		$	0.72
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.23		$	2.39		$	1.15		$	0.72

	2012 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — life and annuities	$	819		$	822		$	896		$	974
Fees and commission income		2,657			1,944			1,775			2,194
Net investment income		16,765			19,658			20,894			20,443
Net realized and unrealized gains		18,259			28,280			1,691			25,382
		38,500			50,704			25,256			48,993
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(97,895	)		(58,506	)		(58,417	)		(3,298	)
Reduction in provisions for bad debt		(329	)		—			(527	)		(2,255	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(2,206	)		(12,579	)		(11,661	)		(12,852	)
Amortization of fair value adjustments		4,207			8,538			2,240			7,587
		(96,223	)		(62,547	)		(68,365	)		(10,818	)
Life and annuity policy benefits		(2,992	)		822			896			974
Salaries and benefits		30,505			25,138			24,379			20,451
General and administrative expenses		13,169			14,409			14,156			14,858
Interest expense		2,540			1,713			2,062			2,111
Net foreign exchange (gains) losses		(2,212	)		977			(627	)		2,268
		(55,213	)		(19,488	)		(27,499	)		29,844
EARNINGS BEFORE INCOME TAXES		93,713			70,192			52,755			19,149
INCOME TAXES		(13,943	)		(14,700	)		(11,905	)		(3,742	)
NET EARNINGS		79,770			55,492			40,850			15,407
Less: Netearnings attributable to noncontrolling interest		(9,864	)		(7,776	)		(129	)		(5,733	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	69,906		$	47,716		$	40,721		$	9,674
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	4.25		$	2.90		$	2.48		$	0.59
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	4.22		$	2.86		$	2.44		$	0.58

	2011 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — life and annuities	$	1,080		$	1,192		$	1,271		$	—
Fees and commission income		10,154			1,623			2,045			4,036
Net investment income		15,571			18,498			19,059			15,548
Net realized and unrealized gains (losses)		2,231			(8,512	)		9,133			6,362
Gain on bargain purchase		—			—			—			13,105
		29,036			12,801			31,508			39,051
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(173,924	)		(43,615	)		(28,079	)		(2,612	)
Reduction in provisions for bad debt		(38,751	)		(2,399	)		(1,672	)		—
Reduction in provisions for unallocated loss adjustment expense liabilities		(7,669	)		(14,113	)		(11,783	)		(11,537	)
Amortization of fair value adjustments		16,782			8,865			6,969			10,077
		(203,562	)		(51,262	)		(34,565	)		(4,072	)
Life and annuity policy benefits		(2,304	)		2,340			1,521			—
Salaries and benefits		41,818			20,923			16,723			10,382
General and administrative expenses		5,090			20,759			28,211			17,750
Interest expense		2,431			2,435			1,697			1,966
Net foreign exchange (gains) losses		(15	)		(8,878	)		1,932			7,334
		(156,542	)		(13,683	)		15,519			33,360
EARNINGS BEFORE INCOME TAXES		185,578			26,484			15,989			5,691
INCOME TAXES		(19,256	)		(4,436	)		(975	)		(617	)
NET EARNINGS		166,322			22,048			15,014			5,074
Less: Netearnings attributable to noncontrolling interest		(37,571	)		(9,984	)		(5,639	)		(1,571	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	128,751		$	12,064		$	9,375		$	3,503
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.89		$	0.85		$	0.67		$	0.27
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.71		$	0.83		$	0.66		$	0.26

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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Comparison of Basic and Diluted Earnings Per Share

The following table sets forth the comparison of basic and diluted earnings per share for the years ended December 31, 2013, 2012 and 2011:

	2013		2012		2011
Basic earnings per ordinary share:
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693
Weighted average ordinary shares outstanding — basic		16,523,369		16,441,461		13,930,221
Net earnings per ordinary share attributable to Enstar Group Limited — basic	$	12.62	$	10.22	$	11.03
Diluted earnings per ordinary share:
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693
Weighted average ordinary shares outstanding — basic		16,523,369		16,441,461		13,930,221
Share equivalents:
Unvested shares		117,850		162,454		196,670
Restricted share units		18,056		19,478		69,723
Warrants		44,167		—		—
Options		—		14,628		15,826
Weighted average ordinary shares outstanding — diluted		16,703,442		16,638,021		14,212,440
Net earnings per ordinary share attributable to Enstar Group Limited — diluted	$	12.49	$	10.10	$	10.81

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Commitments and Contingencies - Schedule of Future Minimum Rental Payments on Non-Cancellable Leases (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]
2013	$ 5,912
2014	4,781
2015	2,759
2016	585
2017	406
2018	309
Total	$ 14,752

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Investments - Summary of Investments Classified as Available-for-Sale in Unrealized Loss Position as Well as Aggregate Fair Value and Gross Unrealized Loss by Length of Time (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Fair Value, 12 Months or Greater		$ 17,880
Unrealized Losses, 12 Months or Greater		(220)
Fair Value, Less Than 12 Months	121,830	11,088
Unrealized Losses, Less Than 12 Months	(439)	(507)
Fair Value, Total	121,830	28,968
Unrealized Losses, Total	(439)	(727)
Non-U.S. Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, 12 Months or Greater		2,646
Unrealized Losses, 12 Months or Greater		(82)
Fair Value, Less Than 12 Months	20,406	2,399
Unrealized Losses, Less Than 12 Months	(22)	(69)
Fair Value, Total	20,406	5,045
Unrealized Losses, Total	(22)	(151)
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, 12 Months or Greater		13,936
Unrealized Losses, 12 Months or Greater		(86)
Fair Value, Less Than 12 Months	51,478	8,689
Unrealized Losses, Less Than 12 Months	(259)	(438)
Fair Value, Total	51,478	22,625
Unrealized Losses, Total	(259)	(524)
Residential Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, 12 Months or Greater		1,124
Unrealized Losses, 12 Months or Greater		(40)
Fair Value, Less Than 12 Months	13,632
Unrealized Losses, Less Than 12 Months	(118)
Fair Value, Total	13,632	1,124
Unrealized Losses, Total	(118)	(40)
Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, 12 Months or Greater		174
Unrealized Losses, 12 Months or Greater		(12)
Fair Value, Less Than 12 Months	24,898
Unrealized Losses, Less Than 12 Months	(30)
Fair Value, Total	24,898	174
Unrealized Losses, Total	(30)	(12)
U.S. Government and Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair Value, 12 Months or Greater
Unrealized Losses, 12 Months or Greater
Fair Value, Less Than 12 Months	11,416
Unrealized Losses, Less Than 12 Months	(10)
Fair Value, Total	11,416
Unrealized Losses, Total	$ (10)

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Segment Information - Summary of Company's Assets by Segment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 8,620,155	$ 5,878,261
Non-Life Run-Off [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	6,619,992	5,825,402
Life and Annuity [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,414,987	52,859
Active Underwriting [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 585,176

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Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013
Accounting Policies [Abstract]
Impairment of goodwill	$ 0
Maturity period to consider securities as short-term investments	Greater than three months but less than one year
Maturity period to consider securities as fixed maturities	One year and greater

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Investments - Major Categories of Net Investment Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net Investment Income [Line Items]
Net amortization of bond premiums and discounts													$ (51,505)	$ (28,758)	$ (25,245)
Dividends from equities													4,923	2,961	1,786
Other investments													652	661	734
Interest on other receivables													2,001	6,887	6,572
Other income													2,999	5,229	3,118
Interest on deposits held with clients													3,650	1,368	1,188
Investment expenses													(6,685)	(4,279)	(3,462)
Interest from investments	23,071	25,009	27,252	17,963	16,765	19,658	20,894	20,443	15,571	18,498	19,059	15,548	93,295	77,760	68,676
Fixed Maturity Investments [Member]
Net Investment Income [Line Items]
Interest from investments													123,555	78,767	70,753
Cash and Cash Equivalents and Short-term Investments [Member]
Net Investment Income [Line Items]
Interest from investments													$ 13,705	$ 14,924	$ 13,232

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Share Capital - Summary of Changes in Non-Voting Convertible Ordinary Shares (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Class of Stock [Line Items]
Balance, beginning and end of year	$ 1,977,523	$ 1,775,233
Series A Non-Voting Convertible Ordinary Shares [Member]
Class of Stock [Line Items]
Balance, beginning and end of year	2,973	2,973	2,973
Series C Non-Voting Convertible Ordinary Shares [Member]
Class of Stock [Line Items]
Balance, beginning and end of year	$ 2,726	$ 2,726

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Redeemable Noncontrolling Interest (Tables)

12 Months Ended

Dec. 31, 2013

Noncontrolling Interest [Abstract]

Carrying Amount of Equity Attributable to Noncontrolling Interest

A reconciliation of the beginning and ending carrying amount of the equity attributable to the redeemable noncontrolling interest is as follows:

	Redeemable noncontrolling interest
Balance as at December 31, 2012	$	—
Redeemable noncontrolling interest, initial contributions		96,689
Net earnings attributable to redeemable noncontrolling interest		4,170
Balance as at December 31, 2013	$	100,859

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Schedule III - Supplementary Insurance Information

12 Months Ended

Dec. 31, 2013

Supplementary Insurance Information [Abstract]

Schedule III - Supplementary Insurance Information

SCHEDULE III

ENSTAR GROUP LIMITED

SUPPLEMENTARY INSURANCE INFORMATION

(Expressed in thousands of U.S. Dollars)

	Deferred Acquisition Costs		Reserves for Losses and Loss Adjustment Expenses		Unearned Premiums		Other Benefits Payable		Net Premiums Earned		Net Investment Income			Losses and Loss Expenses and Policy Benefits			Amortization of Deferred Acquisition Costs		Other Operating Expenses			Net Premiums Written
2013
Non-life Run-off	$	—	$	4,004,513	$	1,199	$	—	$	112,611	$	64,048		$	(182,975	)	$	14,379	$	191,268		$	9,233
Life and Annuities		—		—		3,694		1,273,100		94,984		30,182			78,354			8,820		22,452			63,856
Active Underwriting		16,744		215,392		65,804		—		32,212		521			19,303			—		9,660			30,104
Eliminations		—		—		—		—		—		(1,456	)		—			—		(4,132	)		—
Total	$	16,744	$	4,219,905	$	70,697	$	1,273,100	$	239,807	$	93,295		$	(85,318	)	$	23,199	$	219,248		$	103,193
2012
Non-life Run-off	$	—	$	3,650,127	$	—	$	—	$	—	$	76,813		$	(237,953	)	$	—	$	164,143		$	—
Life and Annuities		—		—		—		11,027		3,511		947			(300	)		—		2,467			3,511
Eliminations		—		—		—		—		—		—			—			—		(713	)		—
Total	$	—	$	3,650,127	$	—	$	11,027	$	3,511	$	77,760		$	(238,253	)	$	—	$	165,897		$	3,511
2011
Non-life Run-off	$	—	$	4,272,081	$	—	$	—	$	—	$	66,556		$	(293,461	)	$	—	$	170,000		$	—
Life and Annuities		—		—		—		10,835		3,543		2,120			1,557			—		558			3,543
Total	$	—	$	4,272,081	$	—	$	10,835	$	3,543	$	68,676		$	(291,904	)	$	—	$	170,558		$	3,543

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Investments - Schedule of Carrying Value of Restricted Investments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Restricted Assets [Abstract]
Collateral in trust for third party agreements	$ 2,002,374	$ 570,391
Assets on deposit with regulatory authorities	608,940	212,012
Collateral for secured letter of credit facility	310,938	246,608
Restricted Investments, Total	$ 2,922,252	$ 1,029,011

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Retained Earnings and Statutory Restrictions - Additional Information (Detail)				12 Months Ended							12 Months Ended				12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2013 Life and Annuity [Member] USD ($)	Dec. 31, 2013 Lloyd's Syndicate [Member] Non-life Run-off / Active Underwriting [Member] USD ($)	Dec. 31, 2013 Lloyd's Syndicate [Member] Non-life Run-off / Active Underwriting [Member] GBP (£)	Dec. 31, 2013 Bermuda [Member] Non-life Run-off / Active Underwriting [Member]	Dec. 31, 2013 U.S. [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2012 U.S. [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2013 U.S. [Member] Subsidiary under Supervision [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2012 U.S. [Member] Subsidiary under Supervision [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2013 Bermuda [Member] Non-life Run-off / Active Underwriting [Member] USD ($)	Dec. 31, 2012 Bermuda [Member] Non-life Run-off / Active Underwriting [Member] USD ($)	Dec. 31, 2013 United Kingdom [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2012 United Kingdom [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2013 Australia [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2012 Australia [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2013 Europe [Member] Life and Annuity [Member] USD ($)	Dec. 31, 2012 Europe [Member] Life and Annuity [Member] USD ($)	Dec. 31, 2013 Europe [Member] Solvency [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2012 Europe [Member] Solvency [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2013 Europe [Member] Swiss Solvency Test [Member] Non-life Run-off [Member] USD ($)	Dec. 31, 2012 Europe [Member] Swiss Solvency Test [Member] Non-life Run-off [Member] USD ($)
Statutory Accounting Practices [Line Items]
Retained earnings	$ 1,181,457,000	$ 972,853,000
Minimum liquidity ratio						0.75
Maximum percentage reduction in total statutory capital without prior approval of Bermuda regulator											15.00%
Minimum solvency requirements											724,300,000	534,700,000			33,300,000	12,000,000	11,000,000	11,700,000
Minimum liquidity requirements											459,100,000	369,400,000
Minimum capital requirements													509,600,000	426,100,000
Total capital commitment				220,200,000	133,000,000
Proceeds from letter of credit				74,000,000
Proceeds from cash on hand				146,200,000
Subsidiaries insurance exceeded															99.50%
Minimum levels of risk-based capital							642,700,000	354,300,000	5,600,000	10,600,000
Reserves for adjusting and other expenses	4,219,905,000	3,650,127,000					47,000,000
Maximum dividend payout
Minimum RBC requirements			104,500,000
Minimum solvency margin																			118,100,000	103,900,000	67,400,000	44,900,000
Restricted net assets of consolidated subsidiaries	$ 732,500,000	$ 617,200,000

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Schedule I - Summary of Investments Other Than Investments in Related Parties (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Fair Value	$ 5,459,970
Amount at which shown in the balance sheet	5,519,798
Equities - U.S. [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	156,686
Fair Value	182,033
Amount at which shown in the balance sheet	182,033
Other Investments [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Fair Value	569,293
Amount at which shown in the balance sheet	569,293
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	3,653,739
Fair Value	3,662,721
Amount at which shown in the balance sheet	3,662,721
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | U.S. Government and Agency [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	440,148
Fair Value	439,946
Amount at which shown in the balance sheet	439,946
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Non-U.S. Government [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	469,281
Fair Value	476,224
Amount at which shown in the balance sheet	476,224
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Corporate [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	2,121,013
Fair Value	2,123,675
Amount at which shown in the balance sheet	2,123,675
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Municipal [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	40,889
Fair Value	41,034
Amount at which shown in the balance sheet	41,034
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Residential Mortgage-Backed [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	219,461
Fair Value	218,457
Amount at which shown in the balance sheet	218,457
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Commercial Mortgage-Backed [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	115,351
Fair Value	114,637
Amount at which shown in the balance sheet	114,637
Trading Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Asset-Backed [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	247,596
Fair Value	248,748
Amount at which shown in the balance sheet	248,748
Held-to-maturity Securities [Member] | Fixed Maturity Securities [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	859,387
Fair Value	799,559
Amount at which shown in the balance sheet	859,387
Held-to-maturity Securities [Member] | Fixed Maturity Securities [Member] | U.S. Government and Agency [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	19,992
Fair Value	18,132
Amount at which shown in the balance sheet	19,992
Held-to-maturity Securities [Member] | Fixed Maturity Securities [Member] | Non-U.S. Government [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	23,592
Fair Value	22,327
Amount at which shown in the balance sheet	23,592
Held-to-maturity Securities [Member] | Fixed Maturity Securities [Member] | Corporate [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	815,803
Fair Value	759,100
Amount at which shown in the balance sheet	815,803
Available-for-sale Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	243,302
Fair Value	246,364
Amount at which shown in the balance sheet	246,364
Available-for-sale Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | U.S. Government and Agency [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	28,050
Fair Value	28,343
Amount at which shown in the balance sheet	28,343
Available-for-sale Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Non-U.S. Government [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	84,443
Fair Value	86,292
Amount at which shown in the balance sheet	86,292
Available-for-sale Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Corporate [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	76,942
Fair Value	77,904
Amount at which shown in the balance sheet	77,904
Available-for-sale Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Residential Mortgage-Backed [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	17,523
Fair Value	17,507
Amount at which shown in the balance sheet	17,507
Available-for-sale Securities [Member] | Fixed Maturity Securities and Short Term Investments [Member] | Asset-Backed [Member]
Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items]
Amortized Cost	36,344
Fair Value	36,318
Amount at which shown in the balance sheet	$ 36,318

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Schedule IV - Reinsurance (Detail) (USD $)	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Reinsurance Effect on Claims and Benefits Incurred, Gross													$ 221,933,000	$ 5,421,000	$ 5,240,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Ceded to other companies													19,782,000	1,910,000	1,697,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Assumed from other companies													37,656,000
Reinsurance Effect on Claims and Benefits Incurred, Net													239,807,000	3,511,000	3,543,000
Life Reinsurance in Force [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Reinsurance Effect on Claims and Benefits Incurred, Gross													21,508,144,000	1,330,219,000	1,570,040,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Ceded to other companies													3,824,429,000	1,191,886,000	1,406,867,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Assumed from other companies													80,681,000
Reinsurance Effect on Claims and Benefits Incurred, Net													17,764,396,000	138,333,000	163,173,000
Reinsurance Premiums for Insurance Companies, Percentage of Amount Assumed to Net													0.50%	0.00%	0.00%
Property and Casualty [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Reinsurance Effect on Claims and Benefits Incurred, Gross													134,402,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Ceded to other companies													11,651,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Assumed from other companies													22,072,000
Reinsurance Effect on Claims and Benefits Incurred, Net													144,823,000
Reinsurance Premiums for Insurance Companies, Percentage of Amount Assumed to Net													15.20%	0.00%	0.00%
Life and Annuity [Member]
Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items]
Reinsurance Effect on Claims and Benefits Incurred, Gross													87,531,000	5,421,000	5,240,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Ceded to other companies													8,131,000	1,910,000	1,697,000
Reinsurance Effect on Claims and Benefits Incurred, Amount Assumed from other companies													15,584,000
Reinsurance Effect on Claims and Benefits Incurred, Net	$ 29,323,000	$ 30,540,000	$ 34,380,000	$ 741,000	$ 819,000	$ 822,000	$ 896,000	$ 974,000	$ 1,080,000	$ 1,192,000	$ 1,271,000		$ 94,984,000	$ 3,511,000	$ 3,543,000
Reinsurance Premiums for Insurance Companies, Percentage of Amount Assumed to Net													16.40%	0.00%	0.00%

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Investments - Other Investments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Investment Holdings [Line Items]
Other investments recorded in private equities	$ 569,293	$ 414,845
Private Equity Funds [Member]
Investment Holdings [Line Items]
Other investments recorded in private equities	161,229	127,696
Fixed Income Funds [Member]
Investment Holdings [Line Items]
Other investments recorded in private equities	194,375	156,235
Fixed Income Hedge Funds [Member]
Investment Holdings [Line Items]
Other investments recorded in private equities	68,157	53,933
Equity Fund [Member]
Investment Holdings [Line Items]
Other investments recorded in private equities	109,355	55,881
Real Estate Debt Fund [Member]
Investment Holdings [Line Items]
Other investments recorded in private equities	32,113	16,179
Other [Member]
Investment Holdings [Line Items]
Other investments recorded in private equities	$ 4,064	$ 4,921

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Losses and Loss Adjustment Expenses - Net Reduction (Increase) in Ultimate Losses and Loss Adjustment Expense Liabilities (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effects of Reinsurance [Line Items]
Premium income	$ 239,807,000	$ 3,511,000	$ 3,543,000
Current period activity	(74,139,000)
Non-Life Run-Off [Member]
Effects of Reinsurance [Line Items]
Premium income		0	0
Current period activity	$ 74,139,000

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Acquisitions - Purchase Price and Fair Value of Assets Acquired (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended						0 Months Ended	12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Arden [Member]	Dec. 31, 2013 Atrium [Member]	Dec. 31, 2013 SeaBright [Member]	Mar. 25, 2011 Laguna [Member]	Dec. 31, 2013 Laguna [Member]	Dec. 31, 2013 Pavonia [Member]	Dec. 31, 2013 Clarendon [Member]	Jul. 12, 2011 Clarendon [Member]
Business Acquisition [Line Items]
Purchase price								$ 79,600	$ 158,000	$ 252,091		$ 21,223	$ 155,564	$ 219,077
Net assets acquired at fair value								79,600	119,152	252,091		34,328	155,564	219,077	219,100
Excess of purchase price over fair value of net assets acquired	21,222				60,070	21,222	21,222		38,848
Excess of net assets over purchase price (gain on bargain purchase)				$ (13,105)			$ (13,105)				$ (13,105)	$ (13,105)

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Employee Benefits - Restricted Share Units - Additional Information (Detail) (Enstar Group Limited Deferred Compensation and Ordinary Share Plan [Member], Non-Employee Directors [Member], USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Enstar Group Limited Deferred Compensation and Ordinary Share Plan [Member] | Non-Employee Directors [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Restricted share units credited to the accounts of non-employee directors	3,566	3,029	4,193
Expenses related to the restricted share units	$ 0.5	$ 0.3	$ 0.4

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Schedule VI - Supplementary Information Concerning Property/Casualty Insurance Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplemental Information For Property Casualty Insurance Underwriters [Abstract]
Supplemental Information for Property/Casualty Insurance, Deferred Acquisition Costs	$ 16,744
Supplemental Information for Property/Casualty Insurance, Reserves for Unpaid Losses and Loss Adjustment Expenses	4,219,905	3,650,127	4,272,081
Supplemental Information for Property/Casualty Insurance, Unearned Premiums	67,003
Supplemental Information for Property/Casualty Insurance, Net Premiums Earned	144,823
Supplemental Information for Property/Casualty Insurance, Net Investment Income	63,113	76,813	66,556
Supplemental Information for Property/Casualty Insurance, Net Losses and Loss Expenses Incurred for Current Year	93,442
Supplemental Information for Property/Casualty Insurance, Net Losses and Loss Expenses Incurred for Prior Year	(257,114)	(237,953)	(293,461)
Supplemental Information for Property/Casualty Insurance, Net Paid Losses and Loss Expenses	401,496	314,528	288,175
Supplemental Information for Property/Casualty Insurance, Amortization of Deferred Acquisition Costs	23,199
Supplemental Information for Property/Casualty Insurance, Other Operating Expenses	200,928	164,143	170,000
Supplemental Information for Property/Casualty Insurance, Net Premiums Written	$ 39,337

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Investments - Reconciliation of Beginning and Ending Balances for All Investments Measured at Fair Value on Recurring Basis (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3 investments, beginning of period	$ 206,671	$ 141,221
Purchases	44,032	63,732
Sales	(28,568)	(16,839)
Total realized and unrealized gains through earnings	48,768	18,557
Net transfers into and/or (out of) Level 3
Level 3 investments, end of period	270,903	206,671
Fixed Maturity Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3 investments, beginning of period	540	519
Purchases
Sales
Total realized and unrealized gains through earnings	69	21
Net transfers into and/or (out of) Level 3
Level 3 investments, end of period	609	540
Other Investments [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3 investments, beginning of period	202,730	137,727
Purchases	44,032	63,732
Sales	(28,568)	(16,839)
Total realized and unrealized gains through earnings	47,375	18,110
Net transfers into and/or (out of) Level 3
Level 3 investments, end of period	265,569	202,730
Equity Securities [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Level 3 investments, beginning of period	3,401	2,975
Purchases
Sales
Total realized and unrealized gains through earnings	1,324	426
Net transfers into and/or (out of) Level 3
Level 3 investments, end of period	$ 4,725	$ 3,401

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Losses and Loss Adjustment Expenses - Losses Incurred and Paid Reflected Net of Reinsurance Recoverables (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effects of Reinsurance [Line Items]
Less: total reinsurance reserves recoverable				$ 876,220									$ 876,220
Current period													(74,139)
Total net reduction in ultimate losses and loss adjustment expense liabilities	125,056	20,374	27,403	(9,161)	96,223	62,547	68,365	10,818	203,562	51,262	34,565	4,072	163,672	237,953	293,461
Net losses paid:													360,200	314,500	288,200
Plus: total reinsurance reserves recoverable	1,175,926				876,220								1,175,926	876,220
Non-Life Run-Off [Member]
Effects of Reinsurance [Line Items]
Balance as at January 1				3,650,127				4,272,082				3,291,275	3,650,127	4,272,082	3,291,275
Less: total reinsurance reserves recoverable				876,220				1,383,003				525,440	876,220	1,383,003	525,440
Reinsurance reserves recoverable	2,773,907				2,889,079				2,765,835				2,773,907	2,889,079	2,765,835
Current period													74,139
Prior periods													(257,114)	(237,953)	(293,461)
Total net reduction in ultimate losses and loss adjustment expense liabilities													(182,975)	(237,953)	(293,461)
Net losses paid:													370,870	314,528	288,175
Current period													(10,656)
Prior periods													(360,214)	(314,528)	(288,175)
Effect of exchange rate movement													4,936	14,833	(7,987)
Acquired on purchase of subsidiaries													557,476		600,046
Assumed business													100,506	422,476	112,821
Net balance as at December 31	2,882,980				2,773,907				2,889,079				2,882,980	2,773,907	2,889,079
Plus: total reinsurance reserves recoverable	1,121,533				876,220				1,383,003				1,121,533	876,220	1,383,003
Balance as at December 31	4,004,513				3,650,127				4,272,082				4,004,513	3,650,127	4,272,082
Active Underwriting [Member]
Effects of Reinsurance [Line Items]
Balance as at January 1
Less: total reinsurance reserves recoverable
Reinsurance reserves recoverable
Current period													19,303
Prior periods
Total net reduction in ultimate losses and loss adjustment expense liabilities													(19,303)
Net losses paid:													30,626
Current period													30,626
Prior periods
Effect of exchange rate movement													1,286
Acquired on purchase of subsidiaries													200,374
Net balance as at December 31	190,337												190,337
Plus: total reinsurance reserves recoverable	25,055												25,055
Balance as at December 31	$ 215,392												$ 215,392

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Reinsurance Balances Recoverable - Summary of Reinsurance Reserves Recoverable (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Effects of Reinsurance [Line Items]
Recoverable from reinsurers on outstanding losses	$ 828,038	$ 665,303
Recoverable from reinsurers on losses incurred but not reported	413,344	295,922
Recoverable from reinsurers on fair value adjustments	(65,456)	(85,005)
Total reinsurance reserves recoverable	1,175,926	876,220
Paid losses recoverable	187,893	246,699
Total reinsurance recoverable	1,363,819	1,122,919
Non-Life Run-Off [Member]
Effects of Reinsurance [Line Items]
Recoverable from reinsurers on outstanding losses	788,705	665,303
Recoverable from reinsurers on losses incurred but not reported	402,675	295,922
Recoverable from reinsurers on fair value adjustments	(69,847)	(85,005)
Total reinsurance reserves recoverable	1,121,533	876,220
Paid losses recoverable	177,459	246,408
Total reinsurance recoverable	1,298,992	1,122,628
Active Underwriting [Member]
Effects of Reinsurance [Line Items]
Recoverable from reinsurers on outstanding losses	10,777
Recoverable from reinsurers on losses incurred but not reported	9,887
Recoverable from reinsurers on fair value adjustments	4,391
Total reinsurance reserves recoverable	25,055
Paid losses recoverable	7,845
Total reinsurance recoverable	32,900
Life and Annuity [Member]
Effects of Reinsurance [Line Items]
Recoverable from reinsurers on outstanding losses	28,556
Recoverable from reinsurers on losses incurred but not reported	782
Recoverable from reinsurers on fair value adjustments
Total reinsurance reserves recoverable	29,338
Paid losses recoverable	2,589	291
Total reinsurance recoverable	$ 31,927	$ 291

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Losses and Loss Adjustment Expenses - Losses Incurred and Paid Reflected Net of Reinsurance Recoverables (Parenthetical) (Detail) (USD $)			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011 Pavonia [Member]	Dec. 31, 2012 Pavonia [Member]
Effects of Reinsurance [Line Items]
Reserves acquired on purchase of subsidiaries			$ 11,000,000
Loss and loss adjustment expenses	$ 4,219,905,000	$ 3,650,127,000	$ 10,800,000	$ 11,000,000

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Investments - Components of Net Realized and Unrealized Gains (Losses) (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Investments Debt And Equity Securities [Abstract]
Gross realized gains on available-for-sale securities													$ 705	$ 5,850	$ 808
Gross realized losses on available-for-sale securities													(214)	(727)	(471)
Net realized gains on trading securities													13,488	13,569	3,738
Net unrealized (losses) gains on trading securities													(13,791)	23,541	3,945
Net realized and unrealized gains on other investments													70,463	31,379	1,194
Net realized and unrealized gains	31,440	37,010	(27,919)	30,120	18,259	28,280	1,691	25,382	2,231	(8,512)	9,133	6,362	70,651	73,612	9,214
Proceeds from sales and maturities of available-for-sale securities													$ 196,507	$ 353,913	$ 445,052

XML

Investments - Summary of Contractual Maturities of Company's Fixed Maturity Securities Classified as Available-for-Sale (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Due in one year or less, Amortized Cost	$ 45,295	$ 173,113
Due after one year through five years, Amortized Cost	141,400	64,089
Due after five years through ten years, Amortized Cost	69
Due after ten years, Amortized cost	2,671	3,074
Amortized cost due in years, Total	189,435	240,276
Total amortized cost	243,302	245,396
Due in one year or less, Fair Value	45,596	173,949
Due after one year through five years, Fair Value	143,445	68,298
Due after five years through ten years, Fair Value	70
Due after ten years, Fair Value	3,428	3,560
Total fair value or available for sale debt securities due in years	192,539	245,807
Total fair value	246,364	251,121
Due in one year or less, Percentage of Total Fair Value	18.50%	69.30%
Due after one year through five years, Percentage of Total Fair Value	58.20%	27.20%
Due after five years through ten years, Percentage of Total Fair Value	0.10%
Due after ten years, Percentage of Total Fair Value	1.40%	1.40%
Percentage of Total Fair Value	78.20%	97.90%
Percentage of Total Fair Value	100.00%	100.00%
Residential Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Total amortized cost	17,523	4,308
Total fair value	17,507	4,498
Percentage of Total Fair Value	7.10%	1.80%
Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Total amortized cost	36,344	338
Total fair value	36,318	335
Percentage of Total Fair Value	14.70%	0.10%
Commercial Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Total amortized cost		474
Total fair value		$ 481
Percentage of Total Fair Value		0.20%

XML

Taxation

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Taxation

18.    TAXATION

Earnings before income taxes includes the following components:

	2013		2012		2011
Domestic (Bermuda)	$	193,063	$	30,839	$	44,983
Foreign		66,378		204,970		188,759
Total	$	259,441	$	235,809	$	233,742

Tax expense (benefit) for income taxes is comprised of:

	2013		2012		2011
Current:
Domestic (Bermuda)	$	—	$	—	$	—
Foreign		30,787		34,704		28,924
		30,787		34,704		28,924
Deferred:
Domestic (Bermuda)		—		—		—
Foreign		4,832		9,586		(3,640	)
		4,832		9,586		(3,640	)
Total tax expense	$	35,619	$	44,290	$	25,284

Under current Bermuda law, the Company and its Bermuda subsidiaries are exempted from paying any taxes in Bermuda on their income or capital gains until March 2035.

The Company has operating subsidiaries and branch operations in the United Kingdom, Australia, the United States and Europe and is subject to federal, foreign, state and local taxes in those jurisdictions. In addition, certain distributions from some foreign sources may be subject to withholding taxes.

The expected income tax provision for the foreign operations computed on pre-tax income at the weighted-average tax rate has been calculated as the sum of the pre-tax income in each jurisdiction multiplied by that jurisdiction’s applicable statutory tax rate.

The actual income tax rate differed from the amount computed by applying the effective rate of 0% under Bermuda law to earnings before income taxes as shown in the following reconciliation:

	2013			2012			2011
Earnings before income tax	$	259,441		$	235,809		$	233,742
Expected tax rate		—	%		—	%		—	%
Foreign taxes at local expected rates		5.1	%		20.8	%		19.2	%
Change in uncertain tax positions		(1.0	)%		0.1	%		—	%
Change in valuation allowance		7.2	%		(3.0	)%		(8.4	)%
Impact of Australian tax consolidation		—	%		—	%		0.8	%
Other		2.4	%		0.9	%		(0.8	)%
Effective tax rate		13.7	%		18.8	%		10.8	%

Deferred income taxes arise from the recognition of temporary differences between income determined for financial reporting purposes and income tax purposes. The temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are presented in the table below:

	As of December 31,
	2013			2012
Deferred tax assets
Benefit of losses, deductions, and other carryforwards	$	187,377		$	162,389
Claims reserves, principally due to discounting for tax		217,283			27,195
Allowance for doubtful accounts receivable		22,303			16,703
Investments		—			7,552
		426,963			213,839
Deferred tax liabilities
Investments		(31,932	)		(11,999	)
Unrecognized income		(21,740	)		—
Intangible asset from acquisition		(18,000	)		—
Other		(5,424	)		—
Net deferred tax asset before valuation allowance		349,867			201,840
Valuation allowance		(366,650	)		(202,365	)
Net deferred tax liability	$	(16,783	)	$	(525	)

As of December 31, 2013 and 2012, U.K. insurance subsidiaries and branch operations had tax loss carryforwards, which do not expire, and deductions available for tax purposes of approximately $357.4 million and $346.9 million, respectively. Certain of the Company’s U.K. insurance and reinsurance subsidiaries have tax loss carryforwards that arose prior to acquisition. Under U.K. tax law, these tax loss carryforwards are available to offset future taxable income generated by the acquired company without time limit.

As of December 31, 2013 and 2012, U.S. subsidiaries had deductible losses for tax purposes of approximately $315.0 million and $234.5 million, respectively. Under U.S. tax law, these tax losses can be carried forward and could be available to offset future taxable income of the companies that experienced the losses.

The Company has estimated future taxable income of its foreign subsidiaries and has provided a valuation allowance in respect of those loss carryforwards where it does not expect to realize a benefit. The Company has considered all available evidence using a “more likely than not” standard in determining the amount of the valuation allowance.

The Company had unrecognized tax benefits of $2.2 million, $5.8 million and $5.6 million relating to uncertain tax positions as of December 31, 2013, 2012 and 2011, respectively.

During the years ended December 31, 2013, 2012 and 2011, there were certain reductions to unrecognized tax benefits due to the expiration of statutes of limitations of $0.3 million, $nil and $0.1 million, respectively, which were included in net earnings.

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	2013			2012			2011
Balance, beginning of year	$	5,821		$	5,621		$	5,566
Gross increases — tax positions related to prior years		114			221			161
Gross decreases — tax positions related to prior years		(3,346	)		(12	)		—
Lapse of statute of limitations		(340	)		(9	)		(106	)
Balance, end of year	$	2,249		$	5,821		$	5,621

Included in the balances at December 31, 2013, 2012 and 2011 were $1.5 million, $4.4 million and $4.4 million, respectively, of tax positions for which the ultimate deductibility is highly certain but for which there is uncertainty about the timing of such deductibility. Because of the impact of deferred tax accounting, other than interest and penalties, the disallowance of the shorter deductibility period would not affect the annual effective tax rate but would accelerate the payment of cash to the taxing authority to an earlier period.

It is reasonably possible that the amount of unrecognized tax benefits with respect to certain of the unrecognized tax positions could decrease by up to approximately $2.0 million within the next 12 months if the statute of limitations expires on certain tax periods.

The Company recognizes accrued interest and penalties related to unrecognized tax benefits as a part of income tax expense. During the years ended December 31, 2013, 2012 and 2011, the Company recognized a benefit for the reversal of interest and penalties related to unrecognized tax benefits due to the expiration of the statute of limitations in the amount of $0.2 million, $nil and $0.1 million, respectively. The Company had approximately $0.7 million, $1.5 million and $1.2 million accrued for the payment of interest and penalties related to unrecognized tax benefits at December 31, 2013, 2012 and 2011, respectively.

The Company’s operating subsidiaries in specific countries may be subject to audit by various tax authorities and may have different statutes of limitations expiration dates. With limited exceptions, the Company’s major subsidiaries that operate in the United States, United Kingdom and Australia are no longer subject to tax examinations for years before 2007, 2010 and 2007, respectively.

Because the Company operates in many jurisdictions, its net earnings are subject to risk due to changing tax laws and tax rates around the world. The current, rapidly changing economic environment may increase the likelihood of substantial changes to tax laws in the jurisdictions in which it operates. The Company cannot predict what, if any, legislation will actually be proposed or enacted, or what the effect of any such legislation might be on the Company’s financial condition and results of operations.

XML

Taxation (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Earnings before Income Taxes

Earnings before income taxes includes the following components:

	2013		2012		2011
Domestic (Bermuda)	$	193,063	$	30,839	$	44,983
Foreign		66,378		204,970		188,759
Total	$	259,441	$	235,809	$	233,742

Tax Expense (Benefit) for Income Taxes

Tax expense (benefit) for income taxes is comprised of:

	2013		2012		2011
Current:
Domestic (Bermuda)	$	—	$	—	$	—
Foreign		30,787		34,704		28,924
		30,787		34,704		28,924
Deferred:
Domestic (Bermuda)		—		—		—
Foreign		4,832		9,586		(3,640	)
		4,832		9,586		(3,640	)
Total tax expense	$	35,619	$	44,290	$	25,284

Reconciliation of Earnings before Income Taxes Computed by Applying Effective Rate

The actual income tax rate differed from the amount computed by applying the effective rate of 0% under Bermuda law to earnings before income taxes as shown in the following reconciliation:

	2013			2012			2011
Earnings before income tax	$	259,441		$	235,809		$	233,742
Expected tax rate		—	%		—	%		—	%
Foreign taxes at local expected rates		5.1	%		20.8	%		19.2	%
Change in uncertain tax positions		(1.0	)%		0.1	%		—	%
Change in valuation allowance		7.2	%		(3.0	)%		(8.4	)%
Impact of Australian tax consolidation		—	%		—	%		0.8	%
Other		2.4	%		0.9	%		(0.8	)%
Effective tax rate		13.7	%		18.8	%		10.8	%

Components of Deferred Tax Assets and Deferred Tax Liabilities

The temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities are presented in the table below:

	As of December 31,
	2013			2012
Deferred tax assets
Benefit of losses, deductions, and other carryforwards	$	187,377		$	162,389
Claims reserves, principally due to discounting for tax		217,283			27,195
Allowance for doubtful accounts receivable		22,303			16,703
Investments		—			7,552
		426,963			213,839
Deferred tax liabilities
Investments		(31,932	)		(11,999	)
Unrecognized income		(21,740	)		—
Intangible asset from acquisition		(18,000	)		—
Other		(5,424	)		—
Net deferred tax asset before valuation allowance		349,867			201,840
Valuation allowance		(366,650	)		(202,365	)
Net deferred tax liability	$	(16,783	)	$	(525	)

Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

	2013			2012			2011
Balance, beginning of year	$	5,821		$	5,621		$	5,566
Gross increases — tax positions related to prior years		114			221			161
Gross decreases — tax positions related to prior years		(3,346	)		(12	)		—
Lapse of statute of limitations		(340	)		(9	)		(106	)
Balance, end of year	$	2,249		$	5,821		$	5,621

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Policy Benefits for Life and Annuity Contracts (Tables)

12 Months Ended

Dec. 31, 2013

Investments All Other Investments [Abstract]

Schedule of Life and Annuity Benefits

Policy benefits for life and annuity contracts as at December 31, 2013 and 2012 were as follows:

	2013			2012
Life	$	380,874		$	11,027
Annuities		963,323			—
		1,344,197			11,027
Fair value adjustments		(71,097	)		—
	$	1,273,100		$	11,027

XML

Investments - Categorized Investments Recorded at Fair Value among Levels (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	$ 4,660,411	$ 3,352,875
U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	468,289	366,863
Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	562,516	389,578
Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	2,201,579	1,715,870
Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	41,034	20,446
Residential Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	235,964	120,092
Commercial Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	114,637	131,329
Asset-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	285,066	79,264
Equities - U.S. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	115,285	92,406
Equities - International [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	66,748	22,182
Other Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	569,293	414,845
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	133,147	94,324
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Residential Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Commercial Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Asset-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equities - U.S. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	97,470	83,947
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equities - International [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	35,677	10,377
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	4,256,361	3,051,880
Significant Other Observable Inputs (Level 2) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	468,289	366,863
Significant Other Observable Inputs (Level 2) [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	562,516	389,578
Significant Other Observable Inputs (Level 2) [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	2,200,970	1,715,330
Significant Other Observable Inputs (Level 2) [Member] | Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	41,034	20,446
Significant Other Observable Inputs (Level 2) [Member] | Residential Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	235,964	120,092
Significant Other Observable Inputs (Level 2) [Member] | Commercial Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	114,637	131,329
Significant Other Observable Inputs (Level 2) [Member] | Asset-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	285,066	79,264
Significant Other Observable Inputs (Level 2) [Member] | Equities - U.S. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	13,090	5,058
Significant Other Observable Inputs (Level 2) [Member] | Equities - International [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	31,071	11,805
Significant Other Observable Inputs (Level 2) [Member] | Other Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	303,724	212,115
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	270,903	206,671
Significant Unobservable Inputs (Level 3) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	609	540
Significant Unobservable Inputs (Level 3) [Member] | Municipal [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Residential Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Commercial Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Asset-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Equities - U.S. [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	4,725	3,401
Significant Unobservable Inputs (Level 3) [Member] | Equities - International [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Other Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	265,569	202,730
Held-to-maturity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	799,559	0
Held-to-maturity Securities [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	18,132
Held-to-maturity Securities [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	22,327
Held-to-maturity Securities [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	759,100
Held-to-maturity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	799,559
Held-to-maturity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	18,132
Held-to-maturity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	22,327
Held-to-maturity Securities [Member] | Significant Other Observable Inputs (Level 2) [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	759,100
Held-to-maturity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | Non-U.S. Government [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Held-to-maturity Securities [Member] | Significant Unobservable Inputs (Level 3) [Member] | Corporate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments

XML

Goodwill and Intangible Assets - Summary of Estimated Amortization Expense of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
2014	$ 27,063
2015	21,869
2016	20,365
2017	19,652
2018	18,499
Intangible assets with a definite life, Net Carrying Value	250,947	211,507
Non-Life Run-Off [Member]
Finite-Lived Intangible Assets [Line Items]
2014	23,485
2015	19,246
2016	16,376
2017	14,569
2018	12,940
Intangible assets with a definite life, Net Carrying Value	86,616
Active Underwriting [Member]
Finite-Lived Intangible Assets [Line Items]
2014	(5,693)
2015	(5,626)
2016	(3,384)
2017	(1,779)
2018	(573)
Intangible assets with a definite life, Net Carrying Value	(17,055)
Life and Annuity [Member]
Finite-Lived Intangible Assets [Line Items]
2014	9,271
2015	8,249
2016	7,373
2017	6,862
2018	6,132
Intangible assets with a definite life, Net Carrying Value	$ 37,887

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Acquisitions (Tables)

12 Months Ended

Dec. 31, 2013

Pro Forma Condensed Combined Statement of Earnings

The following pro forma condensed combined statement of earnings for the years ended December 31, 2013 and 2012 combines the historical consolidated statements of earnings of the Company (inclusive of those of SeaBright since its acquisition on February 7, 2013) with those of Atrium, Arden and Pavonia, giving effect to the business combinations and related transactions of Atrium, Arden and Pavonia as if they had occurred on January 1, 2013 and 2012, respectively. For the year ended December 31, 2013, the results shown for Atrium, Arden and Pavonia represent their results from January 1, 2013 to the respective date of each acquisition. The results for Atrium, Arden and Pavonia post-acquisition are included in the results shown for the Company.

The pro forma financial information presented below is for informational purposes only and is not necessarily indicative of the results of operations that would have been achieved if the acquisitions of Atrium, Arden and the Pavonia companies had taken place on January 1, 2013 or 2012, respectively.

				Unaudited
Twelve Months Ended December 31, 2013	Enstar Group Limited			Atrium			Arden			Pavonia			Pro forma Adjustments			Enstar Group Limited - Pro Forma
Total income	$	416,570		$	91,126		$	15,911		$	48,275		$	—		$	571,882
Total expenses		(192,748	)		(68,545	)		(18,783	)		(48,094	)		(9,531	)		(337,701	)
Noncontrolling interest		(15,218	)		—			—			—			(7,170	)		(22,388	)
Net earnings	$	208,604		$	22,581		$	(2,872	)	$	181		$	(16,701	)	$	211,793
Net earnings per ordinary share —basic																$	12.82
Net earnings per ordinary share —diluted																$	12.68
Weighted average ordinary shares outstanding — basic																	16,523,369
Weighted average ordinary shares outstanding — diluted																	16,703,442

Unaudited
Twelve Months Ended December 31, 2012	Enstar Group Limited			Atrium			Arden			Pavonia			Pro forma Adjustments			Enstar Group Limited - Pro Forma
Total income	$	163,453		$	82,343		$	199,939		$	280,227		$	—		$	725,962
Total expenses		28,066			(52,277	)		(108,185	)		(267,983	)		(21,855	)		(422,234	)
Noncontrolling interest		(23,502	)		—			—			—			(47,971	)		(71,473	)
Net earnings	$	168,017		$	30,066		$	91,754		$	12,244		$	(69,826	)	$	232,255
Net earnings per ordinary share — basic																$	14.13
Net earnings per ordinary share — diluted																$	13.96
Weighted average ordinary shares outstanding — basic																	16,441,461
Weighted average ordinary shares outstanding — diluted																	16,638,021

Summary of Pro Forma Adjustments to Pro Forma Condensed Combined Statement of Earnings

Summary of the Pro Forma Adjustments to the Pro Forma Condensed Combined Statement of Earnings for the Twelve Months Ended December 31, 2013 (Unaudited):

		Unaudited
Expenses		Atrium			Arden			Pavonia			Total
(i)	Adjustment to interest expense to reflect the financing costs of the acquisition for the year	$	(3,105	)	$	(1,111	)	$	(442	)	$	(4,658	)
(ii)	Adjustment to recognize amortization of definite lived intangible assets		(2,033	)		(218	)		(2,825	)		(5,076	)
(iii)	Net adjustment related to the unlocking and reassessment of the actuarial estimates of the business acquired		—			—			(2,166	)		(2,166	)
(iv)	Adjustment to income taxes for pro forma adjustments		467			—			1,902			2,369
		$	(4,671	)	$	(1,329	)	$	(3,531	)	$	(9,531	)
(v)	Adjustment to noncontrolling interest for pro forma adjustments	$	(8,406	)	$	1,236		$	—		$	(7,170	)

Summary of the Pro Forma Adjustments to the Pro Forma Condensed Combined Statement of Earnings for the Twelve Months Ended December 31, 2012 (Unaudited):

		Unaudited
Expenses		Atrium			Arden			Pavonia			Total
(i)	Adjustment to interest expense to reflect the financing costs of the acquisition for the year	$	(3,685	)	$	(1,854	)	$	(2,227	)	$	(7,766	)
(ii)	Adjustment to recognize amortization of definite lived intangible assets		(2,033	)		(327	)		(11,300	)		(13,660	)
(iii)	Net adjustment related to the unlocking and reassessment of the actuarial estimates of the business acquired		—			—			(8,664	)		(8,664	)
(iv)	Adjustment to income taxes for pro forma adjustments		468			—			7,767			8,235
		$	(5,250	)	$	(2,181	)	$	(14,424	)	$	(21,855	)
(v)	Adjustment to noncontrolling interest for pro forma adjustments	$	(11,400	)	$	(36,571	)	$	—		$	(47,971	)

Atrium [Member]

Purchase Price and Fair Value of Assets Acquired

The purchase price and net assets acquired at fair value are as follows:

Purchase price	$	158,000
Net assets acquired at fair value	$	119,152
Excess of purchase price over fair value of net assets acquired	$	38,848

Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition

The following table summarizes the provisional fair values of the assets acquired and liabilities assumed at the acquisition date.

ASSETS
Short-term investments, available-for-sale, at fair value	$	33,535
Short-term investments, trading, at fair value		12,526
Fixed maturities, available-for-sale, at fair value		156,142
Fixed maturities, trading, at fair value		10,751
Total investments		212,954
Cash and cash equivalents		44,842
Restricted cash and cash equivalents		12,305
Premiums receivable		41,855
Reinsurance balances recoverable		32,375
Deferred premium		26,224
Funds withheld		19,579
Intangibles		90,000
Other assets		7,977
TOTAL ASSETS		488,111
LIABILITIES
Losses and loss adjustment expenses		216,319
Insurance and reinsurance balances payable		20,834
Unearned premium		42,738
Deferred taxes		39,740
Other liabilities		49,328
TOTAL LIABILITIES		368,959
NET ASSETS ACQUIRED AT FAIR VALUE		119,152
Goodwill		38,848
ACQUISITION DATE FAIR VALUE	$	158,000

Summary of Provisional Intangible Assets Recorded in Connection with Acquisition

The following table summarizes the provisional intangible assets recorded in connection with the acquisition:

	Amount		Economic Useful Life
Syndicate capacity	$	32,900	Indefinite
Management contract		30,100	Indefinite
Distribution channel		20,000	15 Years
Brand		7,000	10 years
Intangible assets as of the acquisition date	$	90,000

Arden [Member]

Purchase Price and Fair Value of Assets Acquired

The purchase price for Arden was $79.6 million. Kenmare’s portion of the purchase price was $47.8 million, and was financed by borrowings under the Company’s revolving credit facility.

Purchase price	$	79,600
Net assets acquired at fair value	$	79,600

Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

	Active Underwriting		Non-life Run-off		Total
ASSETS
Short-term investments, trading, at fair value	$	16,340	$	12,512	$	28,852
Fixed maturities, trading, at fair value		9,351		46,077		55,428
Other investments		—		2,867		2,867
Total investments		25,691		61,456		87,147
Cash and cash equivalents		—		23,037		23,037
Restricted cash and cash equivalents		10,213		21,599		31,812
Premiums receivable		74,452		49,769		124,221
Reinsurance balances recoverable		—		354,810		354,810
Other assets		—		12,016		12,016
TOTAL ASSETS		110,356		522,687		633,043
LIABILITIES
Losses and loss adjustment expenses		56,160		427,567		483,727
Insurance and reinsurance balances payable		—		59,304		59,304
Unearned premium		—		10,412		10,412
TOTAL LIABILITIES		56,160		497,283		553,443
NET ASSETS ACQUIRED AT FAIR VALUE	$	54,196	$	25,404	$	79,600

Pavonia [Member]

Purchase Price and Fair Value of Assets Acquired

The purchase price and fair value of the assets acquired in the Pavonia acquisition were as follows:

Purchase price	$	155,564
Net assets acquired at fair value	$	155,564

Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading, at fair value	$	40,404
Short-term investments, held-to-maturity, at fair value		10,268
Fixed maturities, trading, at fair value		329,985
Fixed maturities, held-to-maturity, at fair value		876,474
Total investments		1,257,131
Cash and cash equivalents		81,849
Accrued interest receivable		15,183
Funds held by reinsured companies		47,761
Other assets		59,002
TOTAL ASSETS		1,460,926
LIABILITIES
Policyholder benefits for life and annuity contracts		1,255,632
Reinsurance balances payable		39,477
Unearned premium		5,618
Other liabilities		4,635
TOTAL LIABILITIES		1,305,362
NET ASSETS ACQUIRED AT FAIR VALUE	$	155,564

SeaBright [Member]

Purchase Price and Fair Value of Assets Acquired

The purchase price and fair value of the assets acquired in the SeaBright acquisition were as follows:

Purchase price	$	252,091
Net assets acquired at fair value	$	252,091

Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading, at fair value	$	25,171
Fixed maturities, trading, at fair value		683,780
Total investments		708,951
Cash and cash equivalents		41,846
Accrued interest receivable		6,344
Premiums receivable		112,510
Reinsurance balances recoverable		117,462
Other assets		4,515
TOTAL ASSETS		991,628
LIABILITIES
Losses and loss adjustment expenses		592,774
Unearned premium		93,897
Loans payable		12,000
Insurance balances payable		3,243
Other liabilities		37,623
TOTAL LIABILITIES		739,537
NET ASSETS ACQUIRED AT FAIR VALUE	$	252,091

Clarendon [Member]

Purchase Price and Fair Value of Assets Acquired

The purchase price and fair value of the assets acquired in the Clarendon acquisition were as follows:

Purchase price	$	219,077
Net assets acquired at fair value	$	219,077

Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading	$	60,376
Fixed maturities, trading		623,530
Equities		5,014
Total investments		688,920
Cash and cash equivalents		138,518
Restricted cash and cash equivalents		7,198
Reinsurance balances recoverable		1,065,341
Accrued interest and other receivables		9,655
TOTAL ASSETS		1,909,632
LIABILITIES
Losses and loss adjustment expenses		1,654,436
Insurance and reinsurance balances payable		1,942
Funds withheld		26,277
Accounts payable		7,900
TOTAL LIABILITIES		1,690,555
NET ASSETS ACQUIRED AT FAIR VALUE	$	219,077

Laguna [Member]

Purchase Price and Fair Value of Assets Acquired

The purchase price and fair value of the net assets acquired in the Laguna acquisition were as follows:

Purchase price	$	21,223
Net assets acquired at fair value	$	34,328
Excess of net assets over purchase price (gain on bargain purchase)	$	(13,105	)

Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading	$	1,154
Fixed maturities, trading		30,765
Total investments		31,919
Cash and cash equivalents		13,274
Reinsurance balances recoverable		1,459
Other assets		1,325
TOTAL ASSETS		47,977
LIABILITIES
Losses and loss adjustment expenses		11,898
Accounts payable		1,751
TOTAL LIABILITIES		13,649
NET ASSETS ACQUIRED AT FAIR VALUE	$	34,328

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Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Schedule of Future Minimum Rental Payments on Non-Cancellable Leases

The following is a schedule of future minimum rental payments on non-cancellable leases as of December 31, 2013:

2013	$	5,912
2014		4,781
2015		2,759
2016		585
2017		406
2018		309
	$	14,752

Summary of Company's Outstanding Unfunded Investment Commitments

The following table provides a summary of the Company’s outstanding unfunded investment commitments for the years ended December 31, 2013 and 2012:

December 31, 2013			December 31, 2012
Original Commitments	Commitments		Original Commitments	Commitments
	Funded	Unfunded		Funded	Unfunded
$291,000	$176,760	$114,240	$251,000	$163,409	$87,591

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Investments - Summary of Amortized Cost and Estimated Fair Value of Fixed Maturities by Contractual Maturity (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Fair Value Disclosures [Abstract]
Due in one year or less, Amortized Cost	$ 17,541
Due after one year through five years, Amortized Cost	87,698
Due after five years through ten years, Amortized Cost	133,102
Due after ten years, Amortized Cost	621,046
Amortized cost due in years, Total	859,387
Due in one year or less, Fair Value	17,579
Due after one year through five years, Fair Value	86,611
Due after five years through ten years, Fair Value	126,541
Due after ten years, Fair Value	568,828
Fair value due in years, Total	$ 799,559
Due in one year or less, Percentage of Total Fair Value	2.20%
Due after one year through five years, Percentage of Total Fair Value	10.80%
Due after five years through ten years, Percentage of Total Fair Value	15.80%
Due after ten years, Percentage of Total Fair Value	71.20%
Percentage of Fair Value, Total	100.00%

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Taxation - Earnings before Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Domestic (Bermuda)	$ 193,063	$ 30,839	$ 44,983
Foreign	66,378	204,970	188,759
Total	$ 259,441	$ 235,809	$ 233,742

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Acquisitions - Summary of Pro Forma Adjustments to Pro Forma Condensed Combined Statement of Earnings (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	$ (337,701)	$ (422,234)
Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(68,545)	(52,277)
Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(18,783)	(108,185)
Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(48,094)	(267,983)
Pro forma Adjustments [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(9,531)	(21,855)
Pro forma Adjustments [Member] | Noncontrolling Interest [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(7,170)	(47,971)
Pro forma Adjustments [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(4,671)	(5,250)
Pro forma Adjustments [Member] | Atrium [Member] | Noncontrolling Interest [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(8,406)	(11,400)
Pro forma Adjustments [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(1,329)	(2,181)
Pro forma Adjustments [Member] | Arden [Member] | Noncontrolling Interest [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	1,236	(36,571)
Pro forma Adjustments [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(3,531)	(14,424)
Pro forma Adjustments [Member] | Pavonia [Member] | Noncontrolling Interest [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses
Pro forma Adjustments [Member] | Interest Expense [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(4,658)	(7,766)
Pro forma Adjustments [Member] | Interest Expense [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(3,105)	(3,685)
Pro forma Adjustments [Member] | Interest Expense [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(1,111)	(1,854)
Pro forma Adjustments [Member] | Interest Expense [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(442)	(2,227)
Pro forma Adjustments [Member] | Amortization [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(5,076)	(13,660)
Pro forma Adjustments [Member] | Amortization [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(2,033)	(2,033)
Pro forma Adjustments [Member] | Amortization [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(218)	(327)
Pro forma Adjustments [Member] | Amortization [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(2,825)	(11,300)
Pro forma Adjustments [Member] | Actuarial Estimates [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(2,166)
Pro forma Adjustments [Member] | Actuarial Estimates [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses
Pro forma Adjustments [Member] | Actuarial Estimates [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses
Pro forma Adjustments [Member] | Actuarial Estimates [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(2,166)
Pro forma Adjustments [Member] | Income Tax [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	2,369	8,235
Pro forma Adjustments [Member] | Income Tax [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	467	468
Pro forma Adjustments [Member] | Income Tax [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses
Pro forma Adjustments [Member] | Income Tax [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	1,902	7,767
Pro forma Adjustments [Member] | Unlocking and Reassessment [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses		(8,664)
Pro forma Adjustments [Member] | Unlocking and Reassessment [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses
Pro forma Adjustments [Member] | Unlocking and Reassessment [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses
Pro forma Adjustments [Member] | Unlocking and Reassessment [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses		$ (8,664)

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Share Capital (Tables)

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Summary of Changes in Voting Ordinary Shares

Issued and fully paid Voting Ordinary Shares of par value $1.00 each:

	2013		2012
Balance, beginning of year	$	13,752	$	13,665
Issue of shares		6		43
Share awards granted/vested		45		44
Balance, end of year	$	13,803	$	13,752

Summary of Changes in Non-Voting Convertible Ordinary Shares

Issued and fully paid Series A non-voting convertible ordinary shares of par value $1.00 each:

	2013		2012
Balance, beginning and end of year	$	2,973	$	2,973

Issued and fully paid Series C non-voting convertible ordinary shares of par value $1.00 each:

	2013		2012
Balance, beginning and end of year	$	2,726	$	2,726

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Significant Accounting Policies

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Significant Accounting Policies

2. SIGNIFICANT ACCOUNTING POLICIES

Basis of Preparation

The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

Certain reclassifications have been made to the prior year reported amounts to conform to the current year presentation. These reclassifications had no impact on net earnings previously reported.

Basis of Consolidation

The consolidated financial statements include the assets, liabilities and results of operations of the Company as of December 31, 2013 and 2012 and for the years ended December 31, 2013, 2012 and 2011. Results of operations for subsidiaries acquired are included from the dates of their acquisition by the Company. Intercompany transactions are eliminated on consolidation.

Use of Estimates

The preparation of these consolidated financial statements requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. While management believes that the amounts included in the consolidated financial statements reflect its best estimates and assumptions, actual results could differ from those estimates. The Company’s principal estimates include, but are not limited to:

• reserves for losses and loss adjustment expenses;

• policy benefits for life and annuity contracts;

• reinsurance balances recoverable, including the provisions for uncollectible amounts;

• other-than-temporary impairments in the carrying value of available-for-sale investment securities;

• valuation of certain other investments that are measured using significant unobservable inputs;

• valuation of goodwill and intangible assets; and

• fair value estimates associated with accounting for acquisitions.

Significant Accounting Policies

The Company’s significant accounting policies are described below:

(a) Cash and cash equivalents

The Company considers all highly liquid debt instruments purchased with an original maturity of 3 months or less to be cash and cash equivalents.

(b) Investments

Short-term investments and fixed maturity investments

Short-term investments comprise investments with a maturity greater than three months but less than one year from the date of purchase. Fixed maturities comprise investments with a maturity of one year and greater from the date of purchase.

Short-term investments and fixed maturities classified as trading are carried at fair value, with realized and unrealized holding gains and losses included in net earnings and reported as net realized and unrealized gains and losses.

Short-term investments and fixed maturity investments classified as held-to-maturity securities, which are securities that the Company has the positive intent and ability to hold to maturity, are carried at amortized cost. The cost of short-term investments and fixed maturities are adjusted for amortization of premiums and accretion of discounts.

Short-term and fixed maturity investments classified as available-for-sale are carried at fair value, with unrealized gains and losses excluded from net earnings and reported as a separate component of accumulated other comprehensive income. Realized gains and losses on sales of investments classified as available-for-sale are recognized in the consolidated statements of earnings.

The costs of short-term and fixed maturity investments are adjusted for amortization of premium or discount, recognized using the effective yield method and included in net investment income. For mortgage-backed and asset-backed investments, and any other holdings for which there is a prepayment risk, prepayment assumptions are evaluated and revised on a regular basis.

Investment purchases and sales are recorded on a trade-date basis. Realized gains and losses on the sale of investments are based upon specific identification of the cost of investments.

Fixed maturity investments classified as available-for-sale and held-to-maturity are reviewed quarterly to determine if they have sustained an impairment of value that is, based on management’s judgement, considered to be other than temporary. The process includes reviewing each fixed maturity investment that is below cost and: (1) determining if the Company has the intent to sell the fixed maturity investment; (2) determining if it is more likely than not that the Company will be required to sell the fixed maturity investment before its anticipated

recovery; and (3) assessing whether a credit loss exists, that is, whether the Company expects that the present value of the cash flows expected to be collected from the fixed maturity investment is less than the amortized cost basis of the investment. In evaluating credit losses, the Company considers a variety of factors in the assessment of a fixed maturity investment including: (1) the time period during which there has been a significant decline below cost; (2) the extent of the decline below cost and par; (3) the potential for the investment to recover in value; (4) an analysis of the financial condition of the issuer; (5) the rating of the issuer; and (6) failure of the issuer of the investment to make scheduled interest or principal payments. If management concludes an investment is other-than-temporarily impaired (“OTTI”), then the difference between the fair value and the amortized cost of the investment is presented as an OTTI charge in the consolidated statements of earnings, with an offset for any noncredit-related loss component of the OTTI charge to be recognized in other comprehensive income. Accordingly, only the credit loss component of the OTTI amount would have an impact on the Company’s earnings.

Equities

Equities are classified as trading and are carried at fair value with realized and unrealized holding gains and losses included in net earnings and reported as net realized and unrealized gains and losses.

Other investments

Other investments include investments in limited partnerships and limited liability companies (collectively “private equities”) and fixed income, hedge, equity and real estate debt funds (collectively “funds”) that carry their investments at fair value. These funds are stated at fair value, which ordinarily will be the most recently reported net asset value as advised by the fund manager or administrator. Many of the Company’s fund investments publish net asset values on a daily basis and provide daily liquidity; others report on a monthly basis. Private equities typically report quarterly. The Company believes the reported net asset value represents the fair value market participants would apply to an interest in the various private equities or funds. The change in fair value is included in net realized and unrealized gains on investments and recognized in net earnings.

(c) Derivative instruments

The Company recognizes all derivatives as either assets or liabilities in the consolidated balance sheets and carries them at the fair value of the instrument. The Company uses derivative instruments for purposes of its overall foreign currency risk management strategy. Changes in fair value and realized gains or losses on derivative instruments are recorded in net foreign exchange gains and losses.

(d) Losses and loss adjustment expenses

Non-life run-off

The liability for losses and loss adjustment expenses includes an amount determined from reported claims and an amount, based on historical loss experience and industry statistics, for losses incurred but not reported determined using a variety of actuarial methods. These estimates are continually reviewed and are necessarily subject to the impact of future changes in factors such as claim severity and frequency, changes in economic conditions including the impact of inflation, legal developments and changes in social attitudes. While management believes that the amount is adequate, the ultimate liability may be significantly in excess of, or less than, the amounts provided. Adjustments will be reflected as part of net increase or reduction in losses and loss adjustment expense liabilities in the periods in which they become known. Premium and commission adjustments may be triggered by incurred losses and any amounts are recorded in the same period that the related incurred loss is recognized.

Commutations provide an opportunity for the Company to exit exposures to entire policies with insureds and reinsureds for an agreed upon payment, or payments, often at a discount to the previously estimated ultimate liability. As a result of exiting all exposures to such policies, all advised case reserves and incurred but not reported (“IBNR”) reserves relating to the insured or reinsured are eliminated. A commutation is recognized upon the execution of a commutation release agreement. Following completion of a commutation, all the related balances, including insurance and reinsurance balances payable and/or receivable, funds held by ceding companies, and losses and loss adjustment expenses (including fair value adjustments and estimated IBNR), are written off with corresponding gain or loss recorded in the net reduction of ultimate losses. A commutation may result in a net gain irrespective of whether the settlement exceeds the advised case reserves. Advised case reserves are those reserve estimates for a specific loss or losses reported to the Company by either the broker or insured or reinsured. IBNR reserves are established by the Company at a class of business or exposure level for claims that have not yet been reported to the Company but can reasonably be expected to have occurred, as well as for the future development of reported claims. A commutation settlement is a negotiated settlement of both the advised case reserves and an estimate of the IBNR reserves that relate to the policies being commuted. For latent exposures with a long reporting tail, the estimated level of IBNR reserves may be significantly higher than the advised case reserves. In such an instance, the commutation settlement of a block of such policies may be greater than the advised case reserves but less than the aggregate of the advised case reserves plus the estimated related IBNR reserves, resulting in a total saving to the remaining liability.

To the extent possible, all prior historical loss development that relates to commuted exposures is eliminated to produce revised historical loss development for the remaining non-commuted exposures. The Company’s estimates of IBNR reserves are not determined at the policyholder level but at the aggregate class of business or exposure level. Therefore, the Company does not typically identify a specific amount of IBNR reserves settled with each commutation. Rather, on an annual basis in the fourth quarter, the Company’s actuaries apply their actuarial methodologies to the remaining aggregate exposures and revised historical loss development information to reassess their estimates of gross and net ultimate liabilities and required gross and net IBNR reserves. Should a commutation that the Company considers significant occur in one of the first three quarters, then the Company, in conjunction with its independent actuaries, would estimate the amount of IBNR that would be associated with the policies being commuted. If the financial impact (including release of IBNR) of the commutation is considered significant, the Company would adjust its estimate of ultimate loss and loss adjustment expense liabilities in the quarter that the commutation was concluded. The agreed commutation settlement is recorded in net losses paid.

To the extent that commuted policies are protected by reinsurance, then the Company will, on completion of a commutation with an insured or reinsured, negotiate with the reinsurers to contribute their share of the commutation settlement. Any amounts received from such reinsurers will be recorded in net losses paid and the impact of any savings or loss on reinsurance recoverable on unpaid losses will be included in the actuarial reassessment of net ultimate liabilities and net IBNR reserves.

Commutations of acquired companies’ exposures have the effect of accelerating the payout of claims compared to the probability-weighted ranges of actuarially projected cash flows that the Company applies when estimating the fair values of assets and liabilities at the time of acquisition. Any material acceleration of payout together with the impact of any material loss reserve savings in any period will also accelerate the amortization of fair value adjustments in that period.

The Company’s insurance and reinsurance subsidiaries also establish provisions for loss adjustment expenses relating to run-off costs for the estimated duration of the run-off, which are included in losses and loss adjustment expenses. These provisions are assessed at each reporting date, and provisions relating to future periods are adjusted to reflect any changes in estimates of the periodic run-off costs or the duration of the run-off, including the impact of any acceleration of the run-off period that may be caused by commutations. Provisions relating to the current period together with any adjustment to future run-off provisions are included in net reduction in ultimate loss and loss adjustment expenses in the consolidated statements of earnings.

Active underwriting

The reserve for losses and loss expenses includes reserves for unpaid reported losses and for IBNR reserves. The reserves for unpaid reported losses and loss expenses are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by the Company. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

(e) Reinsurance balances recoverable

Amounts billed to, and due from, reinsurers result from paid movements in the underlying assumed business and are calculated in accordance with the terms of the individual reinsurance contracts.

Similarly, reinsurance balances recoverable related to the Company’s assumed case reserves are calculated by applying the terms of any applicable reinsurance coverage to movements in the underlying assumed case reserves. The Company’s estimate of reinsurance balances recoverable related to its assumed IBNR reserves is recognized on a basis consistent with the underlying assumed IBNR reserves.

The Company’s reinsurance balances recoverable are presented net of a provision for uncollectible amounts, reflecting the amount deemed not collectible due to credit quality, collection problems due to location of the reinsurer, contractual disputes with reinsurers over individual contentious claims, contract language or coverage or for some other reason.

(f) Retroactive reinsurance and novations

Consideration received for business assumed by way of novation and premiums received on retroactive reinsurance is recorded in the balance sheet. The difference between the consideration received and liabilities assumed is recorded as an intangible asset or liability. Intangible assets or liabilities are subsequently amortized using the interest method over the expected claims settlement periods. As changes in estimates of timing or amount of losses and loss adjustment expenses are recognized, the amortization is adjusted retrospectively and included in losses and loss adjustment expenses in the period of the charge.

(g) Premium revenue recognition

Premiums written are earned on a pro-rata basis over the period the coverage is provided. Reinsurance premiums are recorded at the inception of the policy, are based upon contractual terms and for certain business is estimated based on underlying contracts or from information provided by clients and/or brokers. Changes in reinsurance premium estimates are expected and may result in significant adjustments in future periods. These estimates change over time as additional information regarding changes in underlying exposures is obtained. Any subsequent differences arising on such estimates are recorded as premiums written in the period they are determined.

Insurance premiums are recorded at the inception of the policy and are earned on a pro-rata basis over the period of coverage.

Unearned premiums represent the portion of premiums written that relate to the unexpired terms of policies in force. Premiums ceded are similarly pro-rated over the period the coverage is provided with the unearned portion being deferred as prepaid reinsurance premiums.

Certain contracts that the Company wrote, prior to going into run-off, are retrospectively rated and additional premium will be due should losses exceed pre-determined, contractual thresholds. These required additional premiums are based upon contractual terms and management judgment is involved with respect to the estimate of the amount of losses that the Company expects to be ceded. Additional premiums are recognized at the time loss thresholds specified in the contract are exceeded and are earned over the coverage period, or are earned immediately if the period of risk coverage has passed. Changes in estimates of losses recorded on contracts with additional premium features will result in changes in additional premiums based on contractual terms.

Life and annuities

The Pavonia companies, prior to going into run-off, wrote various U.S. and Canadian life insurance, including credit life and disability insurance, term life insurance, assumed life reinsurance and annuities. The Pavonia companies will continue to recognize premiums on term life insurance, assumed life reinsurance and credit life and disability insurance.

Premiums from term life insurance, credit life and disability insurance and assumed life reinsurance are generally recognized as revenue when due from policyholders. Term life, assumed life reinsurance and credit life and disability policies include those contracts with fixed and guaranteed premiums and benefits. Benefits and expenses are matched with such revenue to result in the recognition of profit over the life of the contracts.

(h) Premiums Receivable

Premiums receivable represent amounts currently due and amounts not yet due on insurance and reinsurance policies. Premiums for insurance policies are generally due at inception. Premiums for reinsurance policies generally become due over the period of coverage based on the policy terms. The Company monitors the credit risk associated with premiums receivable, taking into consideration that credit risk is reduced by the Company’s contractual right to offset loss obligations or unearned premiums against premiums receivable. Amounts deemed uncollectible are charged to net earnings in the period they are determined. Changes in the estimate of premiums written will result in an adjustment to premiums receivable in the period they are determined. Certain contracts are retrospectively rated and provide for a final adjustment to the premium based on the final settlement of all losses. Premiums receivable on such contracts are adjusted based on the estimate of losses the Company expects to incur, and are not considered due until all losses are settled.

(i) Policy Benefits for Life and Annuity Contracts

The Company’s policy benefits for life and annuity contracts (“policy benefits”) are calculated using standard actuarial techniques and cash flow models in accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 944, Financial Services — Insurance. The Company establishes and maintains its policy benefits at a level that the Company estimates will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable. The Company reviews its policy benefits regularly and performs loss recognition testing based upon cash flow projections.

Since the development of the policy benefits is based upon cash flow projection models, the Company makes estimates and assumptions based on experience and industry mortality tables, longevity and morbidity rates, lapse rates, expenses and investment experience, including a provision for adverse deviation. The assumptions used to determine policy benefits are determined at the inception of the contracts, reviewed and adjusted at the point of acquisition, as required, and are locked-in throughout the life of the contract unless a premium deficiency develops. The assumptions are reviewed no less than annually and are unlocked if they would result in a material adverse reserve change. The Company establishes these estimates based upon transaction-specific historical experience, information provided by the ceding company for the assumed business and industry experience. Actual results could differ materially from these estimates. As the experience on the contracts emerges, the assumptions are reviewed by management. The Company determines whether actual and anticipated experience indicates that existing policy benefits, together with the present value of future gross premiums, are sufficient to cover the present value of future benefits, settlement and maintenance costs and to recover unamortized acquisition costs. If such a review indicates that policy benefits should be greater than those currently held, then the locked-in assumptions are revised and a charge for policy benefits is recognized at that time.

Because of the many assumptions and estimates used in establishing policy benefits and the long-term nature of the contracts, the reserving process, while based on actuarial techniques, is inherently uncertain.

(j) Redeemable noncontrolling interest

In connection with the acquisitions of Arden and Atrium, and with the proposed acquisition of Torus Insurance Holdings Limited (“Torus”), (as described in Note 3, —Acquisitions) certain subsidiaries have issued or will issue shares to a noncontrolling interest. These shares provide certain redemption rights to the holder, which may be settled in the Company’s own shares or cash, at the Company’s option. The Company classifies redeemable noncontrolling interest with redemption features that are not solely within the control of the Company within temporary equity in its consolidated balance sheets and carries them at the redemption value, which is fair value. The Company recognizes changes in the fair value that exceed the carrying value of redeemable noncontrolling interest through retained earnings as if the balance sheet date were also the redemption date. For a description of the redemption rights refer to Note 3 — Acquisitions.

(k) Fees and commission income

Fixed fee income is recognized in accordance with the term of the Company’s third-party management agreements. Time-based fees are recognized as services are provided. Success-based fees are recognized when all of the contractual requirements specified in the agreement are met. Profit commissions are recorded on an accruals basis, and are earned in line with the annual accounting results of the syndicate managed by Atrium.

(l) Foreign exchange

The reporting currency of the Company is the U.S. dollar. Assets and liabilities of entities whose functional currency is not the U.S. dollar are translated at period end exchange rates. Revenue and expenses of such foreign entities are translated at average exchange rates during the year. The effect of the currency translation adjustments for these foreign entities is included in accumulated other comprehensive income.

Other foreign currency assets and liabilities that are considered monetary items are translated at exchange rates in effect at the balance sheet date. Foreign currency revenues and expenses are translated at transaction date exchange rates. These exchange gains and losses are included in the determination of net earnings.

(m) Earnings per share

Basic earnings per share is based on the weighted average number of ordinary shares outstanding and excludes any dilutive effects of warrants, options and convertible securities. Diluted earnings per share is based on the weighted average number of ordinary and ordinary share equivalents outstanding calculated using the treasury stock method for all potentially dilutive securities. When the effect of dilutive securities would be anti-dilutive, these securities are excluded from the calculation of diluted earnings per share.

(n) Acquisitions

The Company uses the purchase method in accounting for acquisitions. The difference between the fair value of net assets acquired and purchase price is recorded as goodwill or negative goodwill.

The purchase method of accounting requires that the acquirer record the assets and liabilities acquired at their estimated fair value. The fair values of each of the reinsurance assets and liabilities acquired are derived from probability-weighted ranges of the associated projected cash flows, based on actuarially prepared information and management’s strategy. The Company’s run-off strategy, as well as that of other run-off market participants, is expected to be different from the sellers as generally sellers are not specialized in running off insurance and reinsurance liabilities whereas the Company and other market participants do specialize in such run-offs.

The key assumptions used by the Company and, it believes, by other run-off market participants in the fair valuation of acquired companies are (i) the projected payout, timing and amount of claims liabilities; (ii) the related projected timing and amount of reinsurance collections; (iii) a risk-free discount rate, which is applied to determine the present value of the future cash flows; (iv) the estimated unallocated loss adjustment expenses to be incurred over the life of the run-off; (v) the impact of any accelerated run-off strategy; and (vi) an appropriate risk margin.

The difference between the original carrying value of reinsurance liabilities and reinsurance assets acquired at the date of acquisition and their fair value is recorded as an intangible asset or other liability, which the Company refers to as the fair value adjustment (“FVA”). The FVA is amortized over the estimated payout period of outstanding losses and loss expenses acquired. To the extent the actual payout experience after the acquisition is materially faster or slower than anticipated at the time of the acquisition, there is an adjustment to the estimated ultimate loss reserves, or there are changes in bad debt provisions or in estimates of future run-off costs following accelerated payouts, then the amortization of the FVA is adjusted to reflect such changes.

(o) Goodwill

Goodwill represents the excess of the purchase price over the fair value of the net assets acquired. The Company performs an initial valuation of its goodwill assets and assesses goodwill for impairment on an annual basis. If, as a result of the assessment, the Company determines the value of its goodwill asset is impaired, goodwill is written down in the period in which the determination is made. No impairment has been recorded as a result of the assessment.

(p) Intangible Assets

Intangible assets represent the fair value adjustments related to unpaid losses and loss expenses, reinsurance balances recoverable and policy benefits for life and annuity contracts along with the fair values of Lloyd’s syndicate capacity, customer relationships, management contract and brand arising from the acquisition of Atrium. Definite-lived intangible assets are amortized over their useful lives. The Company recognizes the amortization of all intangible assets in the consolidated statement of earnings. Indefinite-lived intangible assets are not subject to amortization. The carrying values of intangible assets are reviewed for indicators of impairment on at least an annual basis. Impairment is recognized if the carrying values of the intangible assets are not recoverable from their undiscounted cash flows and are measured as the difference between the carrying value and the fair value.

(q) Share-based compensation

Share-based payment awards settled in ordinary shares are recorded in additional paid-in capital. The fair value of the award is measured at the grant date and expensed over the vesting period.

(r) Income taxes

Certain subsidiaries and branches of the Company operate in jurisdictions where they are subject to taxation. Current and deferred income taxes are charged or credited to net income, or, in certain cases, to accumulated other comprehensive income, based upon enacted tax laws and rates applicable in the relevant jurisdiction in the period in which the tax becomes accruable or realizable. Deferred income taxes are provided for all temporary differences between the bases of assets and liabilities used in the financial statements and those used in the various jurisdictional tax returns. When management’s assessment indicates that it is more likely than not that deferred income tax assets will not be realized, a valuation allowance is recorded against the deferred tax assets.

The Company recognizes a tax benefit relating to uncertain tax positions only where the position is more likely than not to be sustained assuming examination by tax authorities. A liability is recognized for any tax benefit (along with any interest and penalty, if applicable) claimed in a tax return in excess of the amount allowed to be recognized in the financial statements under U.S. GAAP. Any changes in amounts recognized are recorded in the period in which they are determined.

New Accounting Standards Adopted in 2013

ASU 2011-11, Disclosures About Offsetting Assets and Liabilities

In December 2011, the FASB issued new disclosure requirements regarding the nature of an entity’s rights of setoff and related arrangements associated with its financial instruments and derivative instruments. The new disclosures are designed to make financial statements that are prepared under U.S. GAAP more comparable to those prepared under International Financial Reporting Standards. The Company adopted the amended guidance effective January 1, 2013. The adoption of the guidance did not have a material impact on the consolidated financial statements.

ASU 2013-02, Presentation of Items Reclassified from Accumulated Other Comprehensive Income

In February 2013, the FASB issued new disclosure requirements for items reclassified from accumulated other comprehensive income. This guidance requires entities to disclose in a single location (either on the face of the financial statement that reports net earnings or in the notes) the effects of reclassification out of accumulated other comprehensive income. The Company adopted this guidance effective January 1, 2013. The adoption of the guidance did not have a material impact on the consolidated financial statements.

Recently Issued Accounting Pronouncements Not Yet Adopted

ASU 2013-11 Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists

In July 2013, the FASB issued ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists (“ASU 2013-11”). The objective of ASU 2013-11 is to improve the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. ASU 2013-11 seeks to reduce the diversity in practice by providing guidance on the presentation of unrecognized tax benefits to better reflect the manner in which an entity would settle at the reporting date any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. ASU 2013-11 is effective for annual and interim reporting periods beginning after December 15, 2013, with both early adoption and retrospective application permitted. The Company is currently evaluating the impact of this guidance; however, it is not expected to have a material impact on the Company’s consolidated statements of operations and financial position.

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Taxation - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Balance, beginning of year	$ 5,821	$ 5,621	$ 5,566
Gross increases - tax positions related to prior years	114	221	161
Gross decreases - tax positions related to prior years	(3,346)	(12)
Lapse of statute of limitations	(340)	(9)	(106)
Balance, end of year	$ 2,249	$ 5,821	$ 5,621

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Significant New Business - Additional Information (Detail) In Millions, unless otherwise specified	12 Months Ended				0 Months Ended					12 Months Ended					1 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2013 GBP (£)	Dec. 31, 2012 USD ($)	Dec. 31, 2012 GBP (£)	Dec. 17, 2012 Claremont [Member] USD ($) Agreement	Sep. 01, 2011 Claremont [Member] USD ($) Agreement	Aug. 06, 2012 Claremont [Member] USD ($)	Jan. 01, 2014 Subsequent Event [Member] USD ($)	Jan. 01, 2014 Subsequent Event [Member] GBP (£)	Dec. 31, 2013 Reciprocal of America [Member] Reinsurance Agreement under 2014 [Member]	Jul. 06, 2012 Reciprocal of America [Member] Reinsurance Agreement under 2014 [Member] USD ($)	Sep. 20, 2011 Torus Insurance - Australian Branch [Member] USD ($)	Sep. 20, 2011 Torus Insurance - Australian Branch [Member] AUD	Apr. 26, 2013 American Physicians [Member] USD ($)	Feb. 28, 2011 Shelbourne [Member] USD ($) Agreement	Jun. 30, 2012 Zurich Danish Portfolio [Member] USD ($)
Business Acquisition [Line Items]
Net insurance reserve assumed								$ 25.3	£ 15.3
Total assets and assumed gross reinsurance reserves received					38.0	22.5	38.0				169.0	10.0	9.7	35.3		60.0
Expected closing period of transaction										Second quarter of 2014
Percentage of reinsurance agreement	100.00%	100.00%	100.00%	100.00%
Gross insurance reserves	$ 51.4	£ 33.8	$ 313.3	£ 193.0											$ 129.6
Number of quota share reinsurance agreements entered with Torus					2	3
Percentage of underwriting capacity provided for Syndicate	100.00%	100.00%
Number of RITC agreements with Lloyd's syndicates															2

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Schedule II - Condensed Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 643,841	$ 654,890	$ 850,474	$ 799,154
TOTAL ASSETS	8,620,155	5,878,261
LIABILITIES
Accounts payable and accrued liabilities	97,103	73,258
Loans payable	452,446	107,430
TOTAL LIABILITIES	6,541,773	4,103,028
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Treasury stock at cost (Series A non-voting convertible ordinary shares 2012: 2,972,892; 2011: 2,972,892)	(421,559)	(421,559)
Additional paid-in capital	962,145	958,571
Accumulated other comprehensive income	13,978	24,439
Retained earnings	1,181,457	972,853
TOTAL SHAREHOLDERS' EQUITY	1,755,523	1,553,755
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND SHAREHOLDERS' EQUITY	8,620,155	5,878,261
Series A Non-Voting Convertible Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	2,973	2,973
Enstar Group Limited [Member]
ASSETS
Cash and cash equivalents	27,989	180,810	171,322	25,498
Balances due from subsidiaries	363,113	308,364
Investments in subsidiaries	1,654,508	1,367,286
Accounts receivable and other assets	306	294
TOTAL ASSETS	2,045,916	1,856,754
LIABILITIES
Accounts payable and accrued liabilities	1,761	3,757
Loans payable	143,258	138
Balances due to subsidiaries	145,374	299,104
TOTAL LIABILITIES	290,393	302,999
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY
Treasury stock at cost (Series A non-voting convertible ordinary shares 2012: 2,972,892; 2011: 2,972,892)	(421,559)	(421,559)
Additional paid-in capital	962,145	958,571
Accumulated other comprehensive income	13,978	24,439
Retained earnings	1,181,457	972,853
TOTAL SHAREHOLDERS' EQUITY	1,755,523	1,553,755
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND SHAREHOLDERS' EQUITY	2,045,916	1,856,754
Enstar Group Limited [Member] | Share Capital - Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	13,803	13,752
Enstar Group Limited [Member] | Series A Non-Voting Convertible Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	2,973	2,973
Enstar Group Limited [Member] | Series B, C and D Non-Voting Convertible Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	$ 2,726	$ 2,726

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Premiums Written and Earned (Tables)

12 Months Ended

Dec. 31, 2013

Insurance [Abstract]

Schedule of Net Premiums Written and Earned

The following tables provide a summary of net premiums written and earned in our non-life run-off, active underwriting and life and annuities segments for the years ended December 31, 2013, 2012 and 2011:

	2013						2012				2011
	Premiums Written			Premiums Earned			Premiums Written		Premiums Earned		Premiums Written		Premiums Earned
Non-life run-off
Direct	$	17,250		$	121,986		$	—	$	—	$	—	$	—
Assumed		(3,084	)		2,276			—		—		—		—
Ceded		(4,933	)		(11,651	)		—		—		—		—
Net	$	9,233		$	112,611		$	—	$	—	$	—	$	—
Active underwriting
Direct		10,214			12,416		$	—	$	—	$	—	$	—
Assumed		19,890			19,796			—		—		—		—
Ceded		—			—			—		—		—		—
Net	$	30,104		$	32,212		$	—	$	—	$	—	$	—
Life and annuities
Life	$	63,856		$	94,984		$	3,511	$	3,511	$	3,543	$	3,543

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Segment Information

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Segment Information

22.    SEGMENT INFORMATION

Due to the Company’s acquisition of the Pavonia companies on March 31, 2013 and the acquisitions of Arden and Atrium on September 9, 2013 and November 25, 2013, respectively, the Company reevaluated its segment reporting and began measuring the results of its operations in three segments: (i) non-life run-off; (ii) life and annuities and (iii) active underwriting.

The Company’s non-life run-off segment comprises the operations and financial results of those subsidiaries acquired for the purpose of running off their property and casualty business.

The Company’s life and annuities segment comprises the operations and financial results of those subsidiaries, primarily the Pavonia companies, operating in the closed-block of life and annuity business. Certain new significant accounting policies applicable to the life and annuities segment were adopted during the year and are described in Note 1 — “Significant New Accounting Policies.”

The Company’s active underwriting segment comprises the operations and financial results of Atrium and its subsidiaries and Arden. Results related to Arden’s reinsurance to Atrium are included within the Company’s active underwriting segment, while results related to Arden’s discontinued business are included within the Company’s non-life run-off segment. Once the Company completes the acquisition, the active underwriting segment will also include substantially all of the activities of Torus Insurance Holdings Limited and its

subsidiaries (some of Torus’ lines of business are in run-off and will accordingly be accounted for within the Company’s non-life run-off segment).

Invested assets are managed on a subsidiary by subsidiary basis, and investment income and realized and unrealized gains on investments are recognized in each segment as earned.

The elimination items includes the elimination of intersegment revenues and expenses.

The Company’s total assets by segment were:

	December 31, 2013		December 31, 2012
Total assets — non-life run-off	$	6,619,992	$	5,825,402
Total assets — life and annuities		1,414,987		52,859
Total assets — active underwriting		585,176		—
	$	8,620,155	$	5,878,261

The following tables set forth selected and consolidated statement of earnings results by segment for the years ended December 31, 2013, 2012, 2011:

	December 31, 2013
	Non-life run-off			Life and annuities			Active underwriting			Eliminations			Consolidated
Net premiums earned	$	112,611		$	94,984		$	32,212		$	—		$	239,807
Fees and commission income		12,785			—			2,708			(2,676	)		12,817
Net investment income		64,048			30,182			521			(1,456	)		93,295
Net realized and unrealized gains (losses)		79,368			(9,259	)		542			—			70,651
		268,812			115,907			35,983			(4,132	)		416,570
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned — non-life run-off		74,139			—			—			—			74,139
Losses incurred — active underwriting		—			—			19,352			—			19,352
Reduction in estimates of net ultimate losses		(215,480	)		—			—			—			(215,480	)
Increase in provisions for bad debt		1,999			—			—			—			1,999
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—			(49	)		—			(49,629	)
Amortization of fair value adjustments		5,947			—			—			—			5,947
		(182,975	)		—			19,303			—			(163,672	)
Life and annuity policy benefits		—			78,354			—			—			78,354
Acquisition costs		14,379			8,820			—			—			23,199
Salaries and benefits		117,141			4,799			2,676			—			124,616
General and administrative expenses		67,979			16,039			5,270			(2,676	)		86,612
Interest expense		12,057			1,456			332			(1,456	)		12,389
Net foreign exchange (gains) losses		(5,909	)		158			1,382			—			(4,369	)
		22,672			109,626			28,963			(4,132	)		157,129
EARNINGS BEFORE INCOME TAXES		246,140			6,281			7,020			—			259,441
INCOME TAXES		(34,191	)		(1,243	)		(185	)		—			(35,619	)
NET EARNINGS		211,949			5,038			6,835			—			223,822
Less: Net earnings attributable to noncontrolling interest		(12,076	)		—			(3,142	)		—			(15,218	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	199,873		$	5,038		$	3,693		$	—		$	208,604

	December 31, 2012
	Non-life run-off			Life and annuities			Eliminations			Consolidated
Net premiums earned	$	—		$	3,511		$	—		$	3,511
Fees and commission income		9,283			—			(713	)		8,570
Net investment income		76,813			947			—			77,760
Net realized and unrealized gains		71,730			1,882			—			73,612
		157,826			6,340			(713	)		163,453
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(218,116	)		—			—			(218,116	)
Reduction in provisions for bad debt		(3,111	)		—			—			(3,111	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(39,298	)		—			—			(39,298	)
Amortization of fair value adjustments		22,572			—			—			22,572
		(237,953	)		—			—			(237,953	)
Life and annuity policy benefits		—			(300	)		—			(300	)
Salaries and benefits		99,342			1,131			—			100,473
General and administrative expenses		55,731			1,574			(713	)		56,592
Interest expense		8,426			—			—			8,426
Net foreign exchange losses (gains)		644			(238	)		—			406
		(73,810	)		2,167			(713	)		(72,356	)
EARNINGS BEFORE INCOME TAXES		231,636			4,173			—			235,809
INCOME TAXES		(44,266	)		(24	)		—			(44,290	)
NET EARNINGS		187,370			4,149			—			191,519
Less: Net earnings attributable to noncontrolling interest		(23,502	)		—			—			(23,502	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	163,868		$	4,149		$	—		$	168,017

	December 31, 2011
	Non-life run-off			Life and annuities			Consolidated
Net premiums earned	$	—		$	3,543		$	3,543
Fees and commission income		17,858			—			17,858
Net investment income		66,556			2,120			68,676
Net realized and unrealized gains		8,553			661			9,214
Gain on bargain purchase		—			13,105			13,105
		92,967			19,429			112,396
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(248,230	)		—			(248,230	)
Reduction in provisions for bad debt		(42,822	)		—			(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(45,102	)		—			(45,102	)
Amortization of fair value adjustments		42,693			—			42,693
		(293,461	)		—			(293,461	)
Life and annuity policy benefits		—			1,557			1,557
Salaries and benefits		89,440			406			89,846
General and administrative expenses		70,841			969			71,810
Interest expense		8,529			—			8,529
Net foreign exchange losses (gains)		1,190			(817	)		373
		(123,461	)		2,115			(121,346	)
EARNINGS BEFORE INCOME TAXES		216,428			17,314			233,742
INCOME TAXES		(25,311	)		27			(25,284	)
NET EARNINGS		191,117			17,341			208,458
Less: Net earnings attributable to noncontrolling interest		(54,765	)		—			(54,765	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	136,352		$	17,341		$	153,693

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Commitments and Contingencies

12 Months Ended

Dec. 31, 2013

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

21.    COMMITMENTS AND CONTINGENCIES

Concentration of Credit Risk

The Company’s portfolio of cash and fixed maturities is managed pursuant to guidelines that follow what it believes are prudent standards of diversification. The guidelines limit the allowable holdings of a single issue and issuers, and as a result the Company does not believe that there are any significant concentrations of credit risk associated with its portfolio of cash and fixed maturities.

The Company’s portfolio of other investments is managed pursuant to guidelines that emphasize diversification and liquidity. Pursuant to these guidelines, the Company manages and monitors risk across a variety of investment funds and vehicles, markets and counterparties. The Company believes that there are no significant concentrations of credit risk associated with its other investments.

The Company’s investments are held by 36 different custodians. These custodians are all large financial institutions that are highly regulated. These institutions have controls over their investment processes that are certified annually. The largest concentration of fixed maturities investments, by fair value, at a single custodian was $2.8 billion and $1.8 billion as of December 31, 2013 and 2012, respectively.

Leases

The Company leases office space under operating leases expiring in various years through 2018. The leases are renewable at the option of the lessee under certain circumstances. The following is a schedule of future minimum rental payments on non-cancellable leases as of December 31, 2013:

2013	$	5,912
2014		4,781
2015		2,759
2016		585
2017		406
2018		309
	$	14,752

Rent expense for the years ended December 31, 2013, 2012 and 2011 was $5.5 million, $3.9 million and $3.0 million, respectively.

Investments

The following table provides a summary of the Company’s outstanding unfunded investment commitments for the years ended December 31, 2013 and 2012:

December 31, 2013			December 31, 2012
Original Commitments	Commitments		Original Commitments	Commitments
	Funded	Unfunded		Funded	Unfunded
$291,000	$176,760	$114,240	$251,000	$163,409	$87,591

Guarantees

As at December 31, 2013 and 2012, the Company had, in total, parental guarantees supporting a subsidiary’s insurance obligations in the amount of $228.5 million and $213.3 million, respectively.

Acquisitions

The Company has entered into definitive agreements with respect to: (i) the Reciprocal of America loss portfolio transfer, which management expects to close in the second quarter of 2014; and (ii) the Amalgamation of Veranda and Torus Insurance Holdings Limited, which is expected to close in the first quarter of 2014. The Torus acquisition agreement is described in Note 3 — “Acquisitions,” and the Reciprocal of America agreement is described in Note 4 — “Significant New Business.”

In connection with the acquisition of Torus, the Company has entered into an Investors Agreement with Trident and will enter into a Shareholders’ Agreement with Trident at the closing of the Torus Amalgamation. The Company’s obligations and rights relating to the Investors and Shareholders’ Agreements are described in Note 3 — “Acquisitions.”

Pursuant to the Amalgamation Agreement to acquire Torus, the Company has agreed that at the closing of the Amalgamation, it will issue 2,612,346 shares (which will consist of a combination of Voting Ordinary Shares and Non-Voting Preferred Shares) and pay cash of approximately $69.2 million to fund its share of the purchase price, as described in Note 3 — “Acquisitions.” At closing, the Company will also enter into a Shareholder Rights Agreement with First Reserve and a Registration Rights Agreement with First Reserve and Corsair; the obligations and rights under these agreements are also described in Note 3.

Legal Proceedings

The Company is, from time to time, involved in various legal proceedings in the ordinary course of business, including litigation regarding claims. The Company does not believe that the resolution of any currently pending legal proceedings, either individually or taken as a whole, will have a material effect on its business, results of operations or financial condition. The Company anticipates that, similar to the rest of the insurance and reinsurance industry, it will continue to be subject to litigation and arbitration proceedings in the ordinary course of business, including litigation generally related to the scope of coverage with respect to asbestos and environmental claims.

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Redeemable Noncontrolling Interest - Additional Information (Detail) (Northshore [Member], Trident [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Redeemable Noncontrolling Interest [Line Items]
Interest owned by an entity	40.00%
Adjustments recorded through retained earnings	$ 0
Atrium [Member]
Redeemable Noncontrolling Interest [Line Items]
Interest owned by an entity	100.00%
Arden [Member]
Redeemable Noncontrolling Interest [Line Items]
Interest owned by an entity	100.00%

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Acquisitions - Additional Information (Detail)	3 Months Ended												12 Months Ended					12 Months Ended		12 Months Ended				12 Months Ended					1 Months Ended	12 Months Ended			11 Months Ended	12 Months Ended				12 Months Ended			9 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended			0 Months Ended		12 Months Ended	0 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2013 USD ($)	Sep. 30, 2013 USD ($)	Jun. 30, 2013 USD ($)	Mar. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Sep. 30, 2012 USD ($)	Jun. 30, 2012 USD ($)	Mar. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Sep. 30, 2011 USD ($)	Jun. 30, 2011 USD ($)	Mar. 31, 2011 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Jul. 08, 2013 Veranda Holdings Ltd [Member]	Jul. 08, 2013 Bayshore Holdings Ltd [Member]	Dec. 31, 2013 First Reserve [Member]	Dec. 31, 2013 Trident [Member]	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] USD ($)	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Share Capital - Ordinary Shares [Member] USD ($)	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Non-Voting Preferred Shares [Member] USD ($)	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Veranda Holdings Ltd [Member] USD ($)	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Bayshore Holdings Ltd [Member]	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Trident [Member]	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Trident [Member] Bayshore Holdings Ltd [Member] USD ($)	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Trident [Member] Bayshore Holdings Ltd [Member] Non-Voting Preferred Shares [Member]	Dec. 31, 2013 Torus Insurance Holdings Limited [Member] Kenmare [Member]	Dec. 31, 2013 Atrium [Member] USD ($)	Dec. 31, 2013 Atrium [Member] USD ($)	Dec. 31, 2013 Atrium [Member] Lloyd's Syndicate [Member]	Dec. 31, 2013 Atrium [Member] Kenmare [Member] USD ($)	Dec. 31, 2013 Arden [Member] USD ($)	Dec. 31, 2013 Arden [Member] USD ($)	Dec. 31, 2013 Arden [Member] Trident [Member]	Nov. 25, 2013 Arden [Member] Trident [Member]	Sep. 09, 2013 Arden [Member] Trident [Member]	Dec. 31, 2013 Arden [Member] Kenmare [Member] USD ($)	Nov. 25, 2013 Arden [Member] Kenmare [Member]	Sep. 09, 2013 Arden [Member] Kenmare [Member]	Dec. 31, 2013 Pavonia [Member] USD ($)	Dec. 31, 2013 Pavonia [Member] USD ($) Insurers	Jul. 12, 2011 Clarendon [Member] USD ($) Insurers	Dec. 31, 2013 Clarendon [Member] USD ($)	Jul. 12, 2011 Clarendon [Member] New Jersey [Member] Insurers	Jul. 12, 2011 Clarendon [Member] Florida [Member] Insurers	Jul. 12, 2011 Clarendon [Member] Hannover [Member] USD ($)	Mar. 25, 2011 Laguna [Member] USD ($)	Mar. 25, 2011 Laguna [Member] EUR (€)	Dec. 31, 2013 Laguna [Member] USD ($)	Feb. 07, 2013 SeaBright [Member] USD ($)	Dec. 31, 2013 SeaBright [Member] USD ($)	Dec. 31, 2013 SeaBright [Member] USD ($)	Dec. 31, 2013 Corsair [Member]
Business Acquisition [Line Items]
Percentage of interest indirectly owned																60.00%	60.00%																		40.00%	40.00%	40.00%	60.00%	60.00%	60.00%
Purchase price																				$ 692,000,000									$ 119,152,000	$ 119,152,000			$ 79,600,000	$ 79,600,000							$ 155,564,000	$ 155,564,000	$ 219,100,000	$ 219,077,000						$ 34,328,000		$ 252,091,000	$ 252,091,000
Ordinary shares, shares issued																					2,612,346
Ordinary shares, par value	$ 1				$ 1								$ 1	$ 1						$ 132.448	$ 1.00
Preference shares, par value	$ 1.00				$ 1.00								$ 1.00	$ 1.00								$ 1.00
Value of equity issued, Business combination																				69,200,000			69,200,000			276,800,000
Interest owned by an entity																										40.00%	60.00%																100.00%
Average closing price of voting ordinary shares prior to trading period																								20 days
Amalgamation effect on first reserve																				In the event that the number of Voting Ordinary Shares deliverable to First Reserve at the closing of the Amalgamation would cause First Reserve, as of immediately after such closing, to beneficially own Voting Ordinary Shares that constitute more than 9.5% of the voting power of all shares of the Company, then the Company will issue to First Reserve, at the closing, the total number of shares of Voting Ordinary Shares representing 9.5% of the voting power of all shares of the Company as of immediately after the closing and Non-Voting Preferred Shares representing the remainder of the shares that First Reserve is entitled to under the Amalgamation Agreement.
Ownership percentage of ordinary shares																				9.50%																																		2.50%
Ownership percentage of outstanding share capital																				11.50%																																		2.10%
Ownership percentage of ordinary shares																		75.00%
Number of days to file resale shelf registration statement for the Registrable Securities													20 days
Interest owned by an entity																												55.00%
Percentage of Company's ordinary shares acquired																			9.70%						9.70%
Acquisition purchase price																														158,000,000		94,800,000		79,600,000				47,800,000				155,564,000		219,077,000						21,223,000			252,091,000
Goodwill recognized	60,070,000				21,222,000				21,222,000				60,070,000	21,222,000	21,222,000														38,848,000	38,848,000
Indefinite lived intangible assets recognized																													63,000,000	63,000,000
Other intangible assets recognized																													27,000,000	27,000,000
Unearned premiums fair value adjustment																													16,700,000	16,700,000																						14,400,000	14,400,000
Percentage of premium income from license																															25.00%
Earned premiums																													10,700,000				21,300,000								92,200,000											112,800,000
Losses incurred on current period premiums earned													(74,139,000)																7,200,000				11,800,000																			86,600,000
Net premium gain	142,183,000	43,456,000	25,198,000	12,985,000	79,770,000	55,492,000	40,850,000	15,407,000	166,322,000	22,048,000	15,014,000	5,074,000	223,822,000	191,519,000	208,458,000														2,500,000				9,800,000								3,700,000											3,500,000
Number of Insurers																																										3	3		2	1
Aggregate cash purchase price																																										155,600,000						21,200,000	15,000,000		252,100,000
Purchase price financed																																										55,700,000	106,500,000								111,000,000
Recorded life and annuity benefits and acquisition costs	20,970,000	31,081,000	25,562,000	741,000	(2,992,000)	822,000	896,000	974,000	(2,304,000)	2,340,000	1,521,000		78,354,000	(300,000)	1,557,000																										88,600,000
Period of term loan facility																																											4 years								4 years
Gross premiums written																																																				17,800,000
Net premiums written																																																				9,200,000
Amount of parental guarantee provided by the Company																																															80,000,000
Original purchase price																																																42,400,000	30,000,000
Distribution of balance amount to shareholders																																																21,200,000	15,000,000
Gain on bargain purchase												$ 13,105,000			$ 13,105,000																																	$ 13,105,000		$ 13,105,000

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Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Goodwill and Intangible Assets

The following tables show the Company’s goodwill and intangible assets as at December 31, 2013 and 2012:

2013	Goodwill		Intangible assets with a definite life-Other		Intangible assets with an indefinite life		Total		Intangible assets with a definite life-FVA
Balance as at January 1, 2013	$	21,222	$	—	$	—	$	21,222	$	211,507
Acquired during the year		38,848		27,000		63,000		128,848		33,623
Intangible assets amortization		—		—		—		—		(21,183	)
Balance as at December 31, 2013	$	60,070	$	27,000	$	63,000	$	150,070	$	223,947
2012	Goodwill		Intangible assets with a definite life-Other		Intangible assets with an indefinite life		Total		Intangible assets with a definite life-FVA
Balance as at January 1, 2012	$	21,222	$	—	$	—	$	21,222	$	243,904
Acquired during the year		—		—		—		—		(9,825	)
Intangible assets amortization		—		—		—		—		(22,572	)
Balance as at December 31, 2012	$	21,222	$	—	$	—	$	21,222	$	211,507

Intangible assets with a definite life include:

(i) Fair value adjustments (“FVA”) relate to outstanding losses and loss adjustment expenses, policy benefits for life and annuity contracts and reinsurance recoverables and are included as a component of each balance sheet line item. FVA are amortized in proportion to future premiums for policy benefits for life and annuity contracts and over the estimated payout or recovery period for outstanding losses and loss adjustment expenses and reinsurance recoverables; and

(ii) Other intangible assets relate to the values associated with the distribution channel and brand related to the Company’s acquisition of Atrium. These assets will be amortized on a straight-line basis a over a period of ten to fifteen years.

Summary of Gross Carrying Value, Accumulated Amortization and Net Carrying Value of Intangible Assets

The gross carrying value, accumulated amortization and net carrying value of intangible assets by type at December 31, 2013 and 2012 were as follows:

	2013									2012
	Gross Carrying Value			Accumulated Amortization			Net Carrying Value			Gross Carrying Value			Accumulated Amortization			Net Carrying Value
Intangible assets with a definite life:
Fair value adjustments:
Losses and loss adjustment expense	$	500,485		$	(282,178	)	$	218,307		$	552,455		$	(255,943	)	$	296,512
Reinsurance balances recoverable		(179,116	)		113,659			(65,457	)		(178,377	)		93,372			(85,005	)
Policy benefits for life and annuity contracts		86,332			(15,235	)		71,097			—			—			—
Total		407,701			(183,754	)		223,947			374,078			(162,571	)		211,507
Other::
Distribution channel		20,000			—			20,000			—			—			—
Brand		7,000			—			7,000			—			—			—
Total		27,000			—			27,000			—			—			—
Total intangible assets with a definite life		434,701			(183,754	)		250,947			374,078			(162,571	)		211,507
Intangible assets with an indefinite life:
Lloyd’s syndicate capacity		32,900			—			32,900			—			—			—
Management contract		30,100			—			30,100			—			—			—
Total intangible assets	$	497,701		$	(183,754	)	$	313,947		$	374,078		$	(162,571	)	$	211,507

Summary of Estimated Amortization Expense of Intangible Assets

The estimated amortization expense for each of the five succeeding fiscal years related to the Company’s intangible assets with a definite life for each segment is as follows:

Year	Non-life Run-off		Active Underwriting			Life and Annuities		Total
2014	$	23,485	$	(5,693	)	$	9,271	$	27,063
2015		19,246		(5,626	)		8,249		21,869
2016		16,376		(3,384	)		7,373		20,365
2017		14,569		(1,779	)		6,862		19,652
2018		12,940		(573	)		6,132		18,499
Total	$	86,616	$	(17,055	)	$	37,887	$	107,448

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Condensed Unaudited Quarterly Financial Data

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Condensed Unaudited Quarterly Financial Data

23.    CONDENSED UNAUDITED QUARTERLY FINANCIAL DATA

	2013 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — non-life run-off	$	12,341		$	28,134		$	41,216		$	30,920
Net premiums earned — life and annuities		29,323			30,540			34,380			741
Net premiums earned — active underwriting		32,212			—			—			—
Fees and commission income		5,012			2,398			2,960			2,447
Net investment income		23,071			25,009			27,252			17,963
Net realized and unrealized gains (losses)		31,440			37,010			(27,919	)		30,120
		133,399			123,091			77,889			82,191
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned —non-life run-off		(14,153	)		24,236			35,523			28,533
Losses incurred — active underwriting		19,352			—			—			—
Reduction in estimates of net ultimate losses		(134,068	)		(27,850	)		(48,500	)		(5,062	)
Increase (reduction) in provisions for bad debt		7,464			(5,465	)		—			—
Reduction in provisions for unallocated loss and loss adjustment expense liabilities		(111	)		(16,320	)		(16,795	)		(16,403	)
Amortization of fair value adjustments		(3,540	)		5,025			2,369			2,093
		(125,056	)		(20,374	)		(27,403	)		9,161
Life and annuity policy benefits		20,970			31,081			25,562			741
Acquisition costs		5,050			6,149			9,613			2,387
Salaries and benefits		45,603			29,716			25,687			23,610
General and administrative expenses		19,538			29,126			20,002			17,946
Interest expense		3,593			3,270			3,091			2,435
Net foreign exchange (gains) losses		(375	)		(673	)		(8,403	)		5,082
		(22,677	)		78,295			48,149			61,362
EARNINGS BEFORE INCOME TAXES		164,076			44,796			29,740			20,829
INCOME TAXES		(21,893	)		(1,340	)		(4,542	)		(7,844	)
NET EARNINGS		142,183			43,456			25,198			12,985
Less: Netearnings attributable to noncontrolling interest		(4,722	)		(3,469	)		(6,001	)		(1,026	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	137,461		$	39,987		$	19,197		$	11,959
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.32		$	2.42		$	1.16		$	0.72
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.23		$	2.39		$	1.15		$	0.72

	2012 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — life and annuities	$	819		$	822		$	896		$	974
Fees and commission income		2,657			1,944			1,775			2,194
Net investment income		16,765			19,658			20,894			20,443
Net realized and unrealized gains		18,259			28,280			1,691			25,382
		38,500			50,704			25,256			48,993
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(97,895	)		(58,506	)		(58,417	)		(3,298	)
Reduction in provisions for bad debt		(329	)		—			(527	)		(2,255	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(2,206	)		(12,579	)		(11,661	)		(12,852	)
Amortization of fair value adjustments		4,207			8,538			2,240			7,587
		(96,223	)		(62,547	)		(68,365	)		(10,818	)
Life and annuity policy benefits		(2,992	)		822			896			974
Salaries and benefits		30,505			25,138			24,379			20,451
General and administrative expenses		13,169			14,409			14,156			14,858
Interest expense		2,540			1,713			2,062			2,111
Net foreign exchange (gains) losses		(2,212	)		977			(627	)		2,268
		(55,213	)		(19,488	)		(27,499	)		29,844
EARNINGS BEFORE INCOME TAXES		93,713			70,192			52,755			19,149
INCOME TAXES		(13,943	)		(14,700	)		(11,905	)		(3,742	)
NET EARNINGS		79,770			55,492			40,850			15,407
Less: Netearnings attributable to noncontrolling interest		(9,864	)		(7,776	)		(129	)		(5,733	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	69,906		$	47,716		$	40,721		$	9,674
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	4.25		$	2.90		$	2.48		$	0.59
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	4.22		$	2.86		$	2.44		$	0.58

	2011 Quarters Ended
	December 31			September 30			June 30			March 31
Net premiums earned — life and annuities	$	1,080		$	1,192		$	1,271		$	—
Fees and commission income		10,154			1,623			2,045			4,036
Net investment income		15,571			18,498			19,059			15,548
Net realized and unrealized gains (losses)		2,231			(8,512	)		9,133			6,362
Gain on bargain purchase		—			—			—			13,105
		29,036			12,801			31,508			39,051
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(173,924	)		(43,615	)		(28,079	)		(2,612	)
Reduction in provisions for bad debt		(38,751	)		(2,399	)		(1,672	)		—
Reduction in provisions for unallocated loss adjustment expense liabilities		(7,669	)		(14,113	)		(11,783	)		(11,537	)
Amortization of fair value adjustments		16,782			8,865			6,969			10,077
		(203,562	)		(51,262	)		(34,565	)		(4,072	)
Life and annuity policy benefits		(2,304	)		2,340			1,521			—
Salaries and benefits		41,818			20,923			16,723			10,382
General and administrative expenses		5,090			20,759			28,211			17,750
Interest expense		2,431			2,435			1,697			1,966
Net foreign exchange (gains) losses		(15	)		(8,878	)		1,932			7,334
		(156,542	)		(13,683	)		15,519			33,360
EARNINGS BEFORE INCOME TAXES		185,578			26,484			15,989			5,691
INCOME TAXES		(19,256	)		(4,436	)		(975	)		(617	)
NET EARNINGS		166,322			22,048			15,014			5,074
Less: Netearnings attributable to noncontrolling interest		(37,571	)		(9,984	)		(5,639	)		(1,571	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	128,751		$	12,064		$	9,375		$	3,503
EARNINGS PER SHARE — BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.89		$	0.85		$	0.67		$	0.27
EARNINGS PER SHARE — DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$	8.71		$	0.83		$	0.66		$	0.26

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Schedule I - Summary of Investments Other Than Investments in Related Parties

12 Months Ended

Dec. 31, 2013

Summary Of Investments Other Than Investments In Related Parties [Abstract]

Schedule I - Summary of Investments Other Than Investments in Related Parties

SCHEDULE I

ENSTAR GROUP LIMITED

SUMMARY OF INVESTMENTS OTHER THAN INVESTMENTS IN RELATED PARTIES

AS AT DECEMBER 31, 2013

(Expressed in thousands of U.S. Dollars)

Type of investment	Amortized Cost		Fair Value		Amount at which shown in the balance sheet
Fixed maturity securities and short term investments — Trading
U.S. government and agency	$	440,148	$	439,946	$	439,946
Non-U.S. government		469,281		476,224		476,224
Corporate		2,121,013		2,123,675		2,123,675
Municipal		40,889		41,034		41,034
Residential mortgage-backed		219,461		218,457		218,457
Commercial mortgage-backed		115,351		114,637		114,637
Asset-backed		247,596		248,748		248,748
Total		3,653,739		3,662,721		3,662,721
Fixed maturity securities — Held-to-maturity
U.S. government and agency		19,992		18,132		19,992
Non-U.S. government		23,592		22,327		23,592
Corporate		815,803		759,100		815,803
Total		859,387		799,559		859,387
Fixed maturity securities and short term investments — Available-for-sale
U.S. government and agency		28,050		28,343		28,343
Non-U.S. government		84,443		86,292		86,292
Corporate		76,942		77,904		77,904
Residential mortgage-backed		17,523		17,507		17,507
Asset-backed		36,344		36,318		36,318
Total		243,302		246,364		246,364
Equities		156,686		182,033		182,033
Other investments				569,293		569,293
Total			$	5,459,970	$	5,519,798

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Description of Business

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Description of Business

1. DESCRIPTION OF BUSINESS

Enstar Group Limited (“Enstar” or the “Company”) was formed in August 2001 under the laws of Bermuda. The Company’s core focus is to acquire and manage insurance and reinsurance companies in run-off and portfolios of insurance and reinsurance business in run-off, and to provide management, consulting and other services to the insurance and reinsurance industry.

With the Company’s 2013 acquisitions of the closed U.S. life and annuity operations of HSBC Holdings plc (“Pavonia”), Arden Reinsurance Company Ltd. (“Arden”) and Atrium Underwriters Ltd. (“Atrium”), it now measures the results of its operations in three segments: (i) non-life run-off; (ii) life and annuities; and (iii) active underwriting. The Company’s non-life run-off segment comprises the operations and financial results of those subsidiaries acquired for the purpose of running off their property and casualty business, this segment also includes the discontinued business of Arden. The Company’s life and annuities is comprised primarily of Pavonia, which operates a closed block of life and annuity business. The Company’s active underwriting segment is comprised of Atrium and Arden’s reinsurance of Atrium. Atrium is an underwriting business at Lloyd’s of London, which manages Syndicate 609 and provides one quarter of the syndicate’s capital. The syndicate provides insurance and reinsurance on a worldwide basis.

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Schedule II - Condensed Financial Statements

12 Months Ended

Dec. 31, 2013

Condensed Financial Information Of Parent Company Only Disclosure [Abstract]

Schedule II - Condensed Financial Statements

SCHEDULE II

ENSTAR GROUP LIMITED

CONDENSED FINANCIAL INFORMATION OF THE REGISTRANT

BALANCE SHEETS — PARENT COMPANY ONLY

As of December 31, 2013 and 2012

	2013			2012
	(in thousands of U.S. dollars, except share data)
ASSETS
Cash and cash equivalents	$	27,989		$	180,810
Balances due from subsidiaries		363,113			308,364
Investments in subsidiaries		1,654,508			1,367,286
Accounts receivable and other assets		306			294
TOTAL ASSETS	$	2,045,916		$	1,856,754
LIABILITIES
Accounts payable and accrued liabilities	$	1,761		$	3,757
Loans payable		143,258			138
Balances due to subsidiaries		145,374			299,104
TOTAL LIABILITIES		290,393			302,999
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS’ EQUITY
Share capital
Authorized issued and fully paid, par value $1 each (Authorized 2012: 156,000,000; 2011: 156,000,000)
Ordinary shares (Issued 2013: 13,802,706; 2012: 13,752,172)		13,803			13,752
Non-voting convertible ordinary shares:
Series A (issued 2012: 2,972,892; 2011: 2,972,892)		2,973			2,973
Series B, C and D (issued and outstanding 2012: 2,725,637; 2011: 2,725,637)		2,726			2,726
Treasury stock at cost (Series A non-voting convertible ordinary shares 2012: 2,972,892; 2011: 2,972,892)		(421,559	)		(421,559	)
Additional paid-in capital		962,145			958,571
Accumulated other comprehensive income		13,978			24,439
Retained earnings		1,181,457			972,853
TOTAL SHAREHOLDERS’ EQUITY		1,755,523			1,553,755
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	2,045,916		$	1,856,754

See accompanying report of independent registered public accounting firm

ENSTAR GROUP LIMITED

CONDENSED FINANCIAL INFORMATION OF REGISTRANT

STATEMENT OF EARNINGS — PARENT COMPANY ONLY

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012		2011
	(in thousands of U.S. dollars)
INCOME
Net investment income	$	8,561		$	8,365	$	3,928
Dividend income from subsidiaries		27,118			92,450		18,900
		35,679			100,815		22,828
EXPENSES
Salaries and benefits		117			1,179		2,738
General and administrative expenses		15,747			3,816		17,566
Interest expense		10,475			11,505		9,813
Net foreign exchange (gains) losses		(1,696	)		942		(29	)
		24,643			17,442		30,088
EARNINGS (LOSS) BEFORE EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES		11,036			83,373		(7,260	)
EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES		197,568			84,644		160,953
NET EARNINGS	$	208,604		$	168,017	$	153,693

See accompanying report of independent registered public accounting firm

ENSTAR GROUP LIMITED

CONDENSED FINANCIAL INFORMATION OF REGISTRANT

STATEMENTS OF CASH FLOWS — PARENT COMPANY ONLY

For the Years Ended December 31, 2013, 2012 and 2011

	2013			2012			2011
	(in thousands of U.S. dollars)
OPERATING ACTIVITIES:
Net cash flows used in operating activities	$	(174,868	)	$	(26,926	)	$	(142,600	)
INVESTING ACTIVITIES:
Return of capital, net		(72,953	)		100,516			18,839
FINANCING ACTIVITIES:
Repayment of loans		—			(64,102	)		(185,442	)
Receipt of loans		95,000			—			167,650
Proceeds from issuance of ordinary shares		—			—			287,377
Net cash flows provided by (used in) financing activities		95,000			(64,102	)		269,585
NET INCREASE IN CASH AND CASH EQUIVALENTS		(152,821	)		9,488			145,824
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR		180,810			171,322			25,498
CASH AND CASH EQUIVALENTS, END OF YEAR	$	27,989		$	180,810		$	171,322

See accompanying report of independent registered public accounting firm

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Reinsurance Balances Recoverable - Reinsurance Balances Recoverable by Reinsurer (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Ceded Credit Risk [Line Items]
Reinsurance balances recoverable	$ 1,363,819	$ 1,122,919
% of Total	100.00%	100.00%
Ceded Credit Risk, Concentrated Credit Risk [Member] | Top Ten Reinsurers [Member]
Ceded Credit Risk [Line Items]
Reinsurance balances recoverable	930,943	708,953
% of Total	68.30%	63.10%
Ceded Credit Risk, Not Concentrated Credit Risk [Member] | Other Reinsurers' Balances Greater Than $1 Million [Member]
Ceded Credit Risk [Line Items]
Reinsurance balances recoverable	423,013	409,666
% of Total	31.00%	36.50%
Ceded Credit Risk, Not Concentrated Credit Risk [Member] | Other Reinsurers' Balances Less Than $1 Million [Member]
Ceded Credit Risk [Line Items]
Reinsurance balances recoverable	$ 9,863	$ 4,300
% of Total	0.70%	0.40%

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Taxation - Reconciliation of Earnings before Income Taxes Computed by Applying Effective Rate (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Examination [Line Items]
Earnings before income tax	$ 164,076	$ 44,796	$ 29,740	$ 20,829	$ 93,713	$ 70,192	$ 52,755	$ 19,149	$ 185,578	$ 26,484	$ 15,989	$ 5,691	$ 259,441	$ 235,809	$ 233,742
Expected tax rate
Foreign taxes at local expected rates													5.10%	20.80%	19.20%
Change in uncertain tax positions													(1.00%)	0.10%
Change in valuation allowance													7.20%	(3.00%)	(8.40%)
Other													2.40%	0.90%	(0.80%)
Effective tax rate													13.70%	18.80%	10.80%
Australia [Member]
Income Tax Examination [Line Items]
Impact of Australian tax consolidation															0.80%

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Reinsurance Balances Recoverable (Tables)

12 Months Ended

Dec. 31, 2013

Insurance [Abstract]

Summary of Reinsurance Reserves Recoverable

	2013										2012
	Non-life Run-off			Active Underwriting		Life		Total			Non-life Run-off			Active Underwriting		Life		Total
Recoverable from reinsurers on:
Outstanding losses	$	788,705		$	10,777	$	28,556	$	828,038		$	665,303		$	—	$	—	$	665,303
Losses incurred but not reported		402,675			9,887		782		413,344			295,922			—		—		295,922
Fair value adjustments		(69,847	)		4,391		—		(65,456	)		(85,005	)		—		—		(85,005	)
Total reinsurance reserves recoverable		1,121,533			25,055		29,338		1,175,926			876,220			—		—		876,220
Paid losses recoverable		177,459			7,845		2,589		187,893			246,408			—		291		246,699
	$	1,298,992		$	32,900	$	31,927	$	1,363,819		$	1,122,628		$	—	$	291	$	1,122,919

Reinsurance Balances Recoverable by Reinsurer

Reinsurance balances recoverable by reinsurer were as follows:

	2013					2012
	Reinsurance Recoverables		% of Total			Reinsurance Recoverables		% of Total
Top 10 reinsurers	$	930,943		68.3	%	$	708,953		63.1	%
Other reinsurers’ balances > $1 million		423,013		31.0	%		409,666		36.5	%
Other reinsurers’ balances < $1 million		9,863		0.7	%		4,300		0.4	%
Total	$	1,363,819		100.0	%	$	1,122,919		100.0	%

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Segment Information (Tables)

12 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Summary of Company's Assets by Segment

The Company’s total assets by segment were:

	December 31, 2013		December 31, 2012
Total assets — non-life run-off	$	6,619,992	$	5,825,402
Total assets — life and annuities		1,414,987		52,859
Total assets — active underwriting		585,176		—
	$	8,620,155	$	5,878,261

Summary of Operations by Segment

The following tables set forth selected and consolidated statement of earnings results by segment for the years ended December 31, 2013, 2012, 2011:

	December 31, 2013
	Non-life run-off			Life and annuities			Active underwriting			Eliminations			Consolidated
Net premiums earned	$	112,611		$	94,984		$	32,212		$	—		$	239,807
Fees and commission income		12,785			—			2,708			(2,676	)		12,817
Net investment income		64,048			30,182			521			(1,456	)		93,295
Net realized and unrealized gains (losses)		79,368			(9,259	)		542			—			70,651
		268,812			115,907			35,983			(4,132	)		416,570
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned — non-life run-off		74,139			—			—			—			74,139
Losses incurred — active underwriting		—			—			19,352			—			19,352
Reduction in estimates of net ultimate losses		(215,480	)		—			—			—			(215,480	)
Increase in provisions for bad debt		1,999			—			—			—			1,999
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—			(49	)		—			(49,629	)
Amortization of fair value adjustments		5,947			—			—			—			5,947
		(182,975	)		—			19,303			—			(163,672	)
Life and annuity policy benefits		—			78,354			—			—			78,354
Acquisition costs		14,379			8,820			—			—			23,199
Salaries and benefits		117,141			4,799			2,676			—			124,616
General and administrative expenses		67,979			16,039			5,270			(2,676	)		86,612
Interest expense		12,057			1,456			332			(1,456	)		12,389
Net foreign exchange (gains) losses		(5,909	)		158			1,382			—			(4,369	)
		22,672			109,626			28,963			(4,132	)		157,129
EARNINGS BEFORE INCOME TAXES		246,140			6,281			7,020			—			259,441
INCOME TAXES		(34,191	)		(1,243	)		(185	)		—			(35,619	)
NET EARNINGS		211,949			5,038			6,835			—			223,822
Less: Net earnings attributable to noncontrolling interest		(12,076	)		—			(3,142	)		—			(15,218	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	199,873		$	5,038		$	3,693		$	—		$	208,604

	December 31, 2012
	Non-life run-off			Life and annuities			Eliminations			Consolidated
Net premiums earned	$	—		$	3,511		$	—		$	3,511
Fees and commission income		9,283			—			(713	)		8,570
Net investment income		76,813			947			—			77,760
Net realized and unrealized gains		71,730			1,882			—			73,612
		157,826			6,340			(713	)		163,453
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(218,116	)		—			—			(218,116	)
Reduction in provisions for bad debt		(3,111	)		—			—			(3,111	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(39,298	)		—			—			(39,298	)
Amortization of fair value adjustments		22,572			—			—			22,572
		(237,953	)		—			—			(237,953	)
Life and annuity policy benefits		—			(300	)		—			(300	)
Salaries and benefits		99,342			1,131			—			100,473
General and administrative expenses		55,731			1,574			(713	)		56,592
Interest expense		8,426			—			—			8,426
Net foreign exchange losses (gains)		644			(238	)		—			406
		(73,810	)		2,167			(713	)		(72,356	)
EARNINGS BEFORE INCOME TAXES		231,636			4,173			—			235,809
INCOME TAXES		(44,266	)		(24	)		—			(44,290	)
NET EARNINGS		187,370			4,149			—			191,519
Less: Net earnings attributable to noncontrolling interest		(23,502	)		—			—			(23,502	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	163,868		$	4,149		$	—		$	168,017

	December 31, 2011
	Non-life run-off			Life and annuities			Consolidated
Net premiums earned	$	—		$	3,543		$	3,543
Fees and commission income		17,858			—			17,858
Net investment income		66,556			2,120			68,676
Net realized and unrealized gains		8,553			661			9,214
Gain on bargain purchase		—			13,105			13,105
		92,967			19,429			112,396
EXPENSES
Net reduction in ultimate losses and loss adjustment expense liabilities:
Reduction in estimates of net ultimate losses		(248,230	)		—			(248,230	)
Reduction in provisions for bad debt		(42,822	)		—			(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(45,102	)		—			(45,102	)
Amortization of fair value adjustments		42,693			—			42,693
		(293,461	)		—			(293,461	)
Life and annuity policy benefits		—			1,557			1,557
Salaries and benefits		89,440			406			89,846
General and administrative expenses		70,841			969			71,810
Interest expense		8,529			—			8,529
Net foreign exchange losses (gains)		1,190			(817	)		373
		(123,461	)		2,115			(121,346	)
EARNINGS BEFORE INCOME TAXES		216,428			17,314			233,742
INCOME TAXES		(25,311	)		27			(25,284	)
NET EARNINGS		191,117			17,341			208,458
Less: Net earnings attributable to noncontrolling interest		(54,765	)		—			(54,765	)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$	136,352		$	17,341		$	153,693

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Investments - Credit Ratings Company's Fixed Maturity Securities and Short-term Investments Available-for-Sale (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 243,302	$ 245,396
Fair Value	246,364	251,121
Percentage of Total Fair Value	100.00%	100.00%
AAA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	125,729	107,615
Fair Value	127,433	110,829
Percentage of Total Fair Value	51.70%	44.10%
AA [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	74,692	59,535
Fair Value	75,181	60,742
Percentage of Total Fair Value	30.50%	24.20%
A [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	33,834	72,773
Fair Value	34,607	73,935
Percentage of Total Fair Value	14.10%	29.40%
BBB or Lower [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	8,957	5,281
Fair Value	8,963	5,197
Percentage of Total Fair Value	3.60%	2.10%
Not Rated [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	90	192
Fair Value	$ 180	$ 418
Percentage of Total Fair Value	0.10%	0.20%

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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
ASSETS
Short-term investments, trading, at fair value	$ 281,002	$ 319,111
Short-term investments, available-for-sale, at fair value (amortized cost: 2013 - $32,477; 2012 - $nil)	32,504
Fixed maturities, trading, at fair value	3,381,719	2,253,210
Fixed maturities, held-to-maturity, at amortized cost	859,387
Fixed maturities, available-for-sale, at fair value (amortized cost: 2013 - $210,825; 2012 - $245,396)	213,860	251,121
Equities, trading, at fair value	182,033	114,588
Other investments, at fair value	569,293	414,845
Total investments	5,519,798	3,352,875
Cash and cash equivalents	643,841	654,890
Restricted cash and cash equivalents	397,657	299,965
Accrued interest receivable	38,864	22,932
Accounts receivable	75,351	15,399
Premiums receivable	111,748
Income taxes recoverable	5,481	8,632
Deferred tax assets	34,295	8,109
Reinsurance balances recoverable	1,363,819	1,122,919
Funds held by reinsured companies	237,789	365,252
Goodwill and intangible assets	150,071	21,222
Other assets	41,441	6,066
TOTAL ASSETS	8,620,155	5,878,261
LIABILITIES
Losses and loss adjustment expenses	4,219,905	3,650,127
Policy benefits for life and annuity contracts	1,273,100	11,027
Unearned premium	70,698
Insurance and reinsurance balances payable	281,028	143,123
Accounts payable and accrued liabilities	97,103	73,258
Income taxes payable	23,721	19,073
Deferred tax liabilities	53,328	14,454
Loans payable	452,446	107,430
Other liabilities	70,444	84,536
TOTAL LIABILITIES	6,541,773	4,103,028
COMMITMENTS AND CONTINGENCIES
REDEEMABLE NONCONTROLLING INTEREST	100,859
SHAREHOLDERS' EQUITY
Treasury shares at cost (Series A non-voting convertible ordinary shares 2013: 2,972,892; 2012: 2,972,892)	(421,559)	(421,559)
Additional paid-in capital	962,145	958,571
Accumulated other comprehensive income	13,978	24,439
Retained earnings	1,181,457	972,853
Total Enstar Group Limited Shareholders' Equity	1,755,523	1,553,755
Noncontrolling interest	222,000	221,478
TOTAL SHAREHOLDERS' EQUITY	1,977,523	1,775,233
TOTAL LIABILITIES, REDEEMABLE NONCONTROLLING INTEREST AND SHAREHOLDERS' EQUITY	8,620,155	5,878,261
Share Capital - Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	13,803	13,752
Series A Non-Voting Convertible Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	2,973	2,973
TOTAL SHAREHOLDERS' EQUITY	2,973	2,973
Series C Non-Voting Convertible Ordinary Shares [Member]
SHAREHOLDERS' EQUITY
Ordinary shares	2,726	2,726
TOTAL SHAREHOLDERS' EQUITY	$ 2,726	$ 2,726

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Loans Payable (Tables)

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Amounts of Loans Payable Outstanding

Amounts of loans payable outstanding, and accrued interest, as of December 31, 2013 and 2012 total $452.4 million and $107.4 million, respectively, and comprise:

Facility	Date of Facility		Facility Term		December 31, 2013		December 31, 2012
EGL Revolving Credit Facility		July 8, 2013		5 Years	$	258,800	$	—
SeaBright Facility		December 21, 2012		3 Years		111,000		—
Clarendon Facility		July 12, 2011		4 Years		78,995		106,500
						448,795		106,500
Accrued interest						3,651		930
Total loans payable					$	452,446	$	107,430

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Goodwill and Intangible Assets - Summary of Gross Carrying Value, Accumulated Amortization and Net Carrying Value of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	$ 434,701	$ 374,078
Accumulated Amortization	(183,754)	(162,571)
Intangible assets with a definite life, Net Carrying Value	250,947	211,507
Intangible assets with an indefinite life, Carrying Value	63,000
Intangible assets, Gross Carrying Value	497,701	374,078
Intangible assets, Accumulated Amortization	21,200	22,600	42,700
Intangible assets, Net Carrying Value	313,947	211,507
Syndicate Capacity [Member]
Schedule Of Intangible Assets [Line Items]
Intangible assets with an indefinite life, Carrying Value	32,900
Management Contract [Member]
Schedule Of Intangible Assets [Line Items]
Intangible assets with an indefinite life, Carrying Value	30,100
Atrium [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	27,000
Accumulated Amortization
Intangible assets with a definite life, Net Carrying Value	27,000
Atrium [Member] | Distribution Channel [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	20,000
Accumulated Amortization
Intangible assets with a definite life, Net Carrying Value	20,000
Atrium [Member] | Brand [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	7,000
Accumulated Amortization
Intangible assets with a definite life, Net Carrying Value	7,000
Fair Value Adjustments [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	407,701	374,078
Accumulated Amortization	(183,754)	(162,571)
Intangible assets with a definite life, Net Carrying Value	223,947	211,507	243,904
Intangible assets, Accumulated Amortization	(21,183)	(22,572)
Fair Value Adjustments [Member] | Losses and Loss Adjustment Expense [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	500,485	552,455
Accumulated Amortization	(282,178)	(255,943)
Intangible assets with a definite life, Net Carrying Value	218,307	296,512
Fair Value Adjustments [Member] | Reinsurance Balances Recoverable [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	(179,116)	(178,377)
Accumulated Amortization	113,659	93,372
Intangible assets with a definite life, Net Carrying Value	(65,457)	(85,005)
Fair Value Adjustments [Member] | Policy Benefits for Life and Annuity Contracts [Member]
Schedule Of Intangible Assets [Line Items]
Gross Carrying Value	86,332
Accumulated Amortization	(15,235)
Intangible assets with a definite life, Net Carrying Value	$ 71,097

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Taxation - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes And Tax Related [Line Items]
Effective income tax rate	5.10%	20.80%	19.20%
Unrecognized tax benefits	$ 2,249,000	$ 5,821,000	$ 5,621,000	$ 5,566,000
Unrecognized tax benefits due to the expiration of statutes of limitations	300,000		100,000
Uncertain tax positions	1,500,000	4,400,000	4,400,000
Unrecognized tax benefits, tax positions (decrease)	2,000,000
Accrued interest and penalties related to unrecognized tax benefits	700,000	1,500,000	1,200,000
Description of income tax examination	The Company's operating subsidiaries in specific countries may be subject to audit by various tax authorities and may have different statutes of limitations expiration dates. With limited exceptions, the Company's major subsidiaries that operate in the United States, United Kingdom and Australia are no longer subject to tax examinations for years before 2007, 2010 and 2007, respectively.
Bermuda [Member]
Income Taxes And Tax Related [Line Items]
Effective income tax rate	0.00%
United Kingdom [Member]
Income Taxes And Tax Related [Line Items]
Tax loss carryforwards	357,400,000	346,900,000
Domestic Country [Member]
Income Taxes And Tax Related [Line Items]
Tax loss carryforwards	$ 315,000,000	$ 234,500,000

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Consolidated Statements of Changes in Shareholders' Equity (USD $) In Thousands	Total	Share Capital - Ordinary Shares [Member]	Series A Non-Voting Convertible Ordinary Shares [Member]	Series B, C and D Non-Voting Convertible Ordinary Shares [Member]	Share Capital - Preference Shares [Member]	Treasury Shares [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income Attributable to Enstar Group Limited [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]
Balance, beginning of year at Dec. 31, 2010		$ 12,940					$ 667,907	$ 35,017	$ 651,143	$ 267,400
Return of capital										(16,200)
Equity attributable to Enstar Group Limited on acquisition of Issue of shares and warrants, net							284,983
Preferred shares converted				750	(750)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	153,693								153,693
Dividends paid										(8,100)
Issue of shares		674		1,976	750
Net earnings attributable to noncontrolling interest	(54,765)									54,765	[1]
Foreign currency translation adjustments	(903)							(972)		69
Share awards granted/vested		51					776
Decrease (increase) in defined benefit pension liability	(3,718)							(3,718)
Amortization of equity incentive plan							2,663
Net movement in unrealized holding losses on investments	(3,821)							(3,231)		(589)
Balance, beginning and end of year at Dec. 31, 2011		13,665	2,973	2,726		(421,559)	956,329	27,096	804,836	297,345
Return of capital										(30,245)
Equity attributable to Enstar Group Limited on acquisition of Issue of shares and warrants, net							(872)
Preferred shares converted
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	168,017								168,017
Dividends paid										(68,987)
Issue of shares		43
Net earnings attributable to noncontrolling interest	(23,502)									23,502	[1]
Foreign currency translation adjustments	3,556							2,205		1,352
Share awards granted/vested		44					343
Decrease (increase) in defined benefit pension liability	(2,461)							(2,461)
Amortization of equity incentive plan							2,771
Net movement in unrealized holding losses on investments	(3,891)							(2,401)		(1,489)
Balance, beginning and end of year at Dec. 31, 2012	1,775,233	13,752	2,973	2,726		(421,559)	958,571	24,439	972,853	221,478
Return of capital
Equity attributable to Enstar Group Limited on acquisition of Issue of shares and warrants, net							650
Preferred shares converted
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	208,604								208,604
Dividends paid										(3,908)
Issue of shares		6
Net earnings attributable to noncontrolling interest	(15,218)									11,048	[1]
Foreign currency translation adjustments	(19,473)							(13,557)		(5,916)
Share awards granted/vested		45
Decrease (increase) in defined benefit pension liability	4,930							4,930
Amortization of equity incentive plan							2,924
Net movement in unrealized holding losses on investments	(2,536)							(1,834)		(702)
Balance, beginning and end of year at Dec. 31, 2013	$ 1,977,523	$ 13,803	$ 2,973	$ 2,726		$ (421,559)	$ 962,145	$ 13,978	$ 1,181,457	$ 222,000

[1] Excludes earnings attributable to redeemable noncontrolling interest.

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Goodwill and Intangible Assets - Schedule of Goodwill and Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill, Beginning balance	$ 21,222	$ 21,222
Intangible assets with an indefinite life, Beginning balance
Goodwill, Acquired during the year	38,848
Intangible assets with an indefinite life, Acquired during the year	63,000
Goodwill, Ending balance	60,070	21,222	21,222
Intangible assets with an indefinite life, Ending balance	63,000
Goodwill and intangible assets, Beginning Balance	21,222	21,222
Goodwill and intangible assets, Acquired during the year	128,848
Goodwill and intangible assets, Ending balance	150,071	21,222	21,222
Intangible assets with a definite life, Beginning balance	211,507
Intangible assets with a definite life, Intangible assets amortization	21,200	22,600	42,700
Intangible assets with a definite life, Ending balance	250,947	211,507
Atrium [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill, Ending balance	38,848
Intangible assets with a definite life, Acquired during the year	90,000
Intangible assets with a definite life, Ending balance	27,000
Atrium [Member] | Other [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Intangible assets with a definite life, Beginning balance
Intangible assets with a definite life, Acquired during the year	90,000
Intangible assets with a definite life, Intangible assets amortization
Intangible assets with a definite life, Ending balance	27,000
Fair Value Adjustments [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Intangible assets with a definite life, Beginning balance	211,507	243,904
Intangible assets with a definite life, Acquired during the year	33,623	(9,825)
Intangible assets with a definite life, Intangible assets amortization	(21,183)	(22,572)
Intangible assets with a definite life, Ending balance	$ 223,947	$ 211,507

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Acquisitions - Summary of Provisional Intangible Assets Recorded in Connection with Acquisition (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets as of the acquisition date, Amount	$ 63,000
Atrium [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets as of the acquisition date, Amount	90,000
Atrium [Member] | Syndicate Capacity [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets as of the acquisition date, Amount	32,900
Atrium [Member] | Management Contract [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets as of the acquisition date, Amount	30,100
Distribution Channel [Member] | Atrium [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets as of the acquisition date, Amount	20,000
Intangible assets as of the acquisition date, Economic Useful Life	15 years
Brand [Member] | Atrium [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets as of the acquisition date, Amount	$ 7,000
Intangible assets as of the acquisition date, Economic Useful Life	10 years

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Loans Payable - Amounts of Loans Payable Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Line of Credit Facility [Line Items]
Total long-term bank debt	$ 448,795	$ 106,500
Accrued interest	3,651	930
Total loans payable	452,446	107,430
EGL Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Clarendon Facility	Jul. 08, 2013
Facility Term	5 years
Total long-term bank debt	258,800
SeaBright Facility [Member]
Line of Credit Facility [Line Items]
Clarendon Facility	Dec. 21, 2012
Facility Term	3 years
Total long-term bank debt	111,000
Clarendon Facility [Member]
Line of Credit Facility [Line Items]
Clarendon Facility	Jul. 12, 2011
Facility Term	4 years
Total long-term bank debt	$ 78,995	$ 106,500

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Schedule V - Supplementary Information Concerning Property/Casualty Insurance Operations

12 Months Ended

Dec. 31, 2013

Supplemental Information For Property Casualty Insurance Underwriters [Abstract]

Schedule V - Supplementary Information Concerning Property/Casualty Insurance Operations

SCHEDULE VI

ENSTAR GROUP LIMITED

SUPPLEMENTARY INFORMATION CONCERNING PROPERTY/CASUALTY INSURANCE OPERATIONS

As at and for the years ended December 31, 2013, 2012 and 2011

(Expressed in thousands of U.S. Dollars)

	Deferred Acquisition Costs		Reserves for Unpaid Losses and Loss Adjustment Expenses				Net Premiums Earned		Net Investment Income		Net Losses and Loss Expenses Incurred					Net Paid Losses and Loss Expenses		Amortization of Deferred Acquisition Costs		Other Operating Expenses		Net Premiums Written
Affiliation with Registrant					Unearned Premiums						Current Year		Prior Year
Consolidated Subsidiaries
2013	$	16,744	$	4,219,905	$	67,003	$	144,823	$	63,113	$	93,442	$	(257,114	)	$	401,496	$	23,199	$	200,928	$	39,337
2012		—		3,650,127		—		—		76,813		—		(237,953	)		314,528		—		164,143		—
2011		—		4,272,081		—		—		66,556		—		(293,461	)		288,175		—		170,000		—

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Schedule II - Condensed Statements of Cash Flows (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
OPERATING ACTIVITIES:
Net cash flows used in operating activities	$ (62,387)	$ (187,350)	$ (909,920)
FINANCING ACTIVITIES:
Repayment of loans	(39,505)	(134,541)	(277,458)
Receipt of loans	369,800		274,150
Net cash flows provided by (used in) financing activities	423,076	(233,773)	259,769
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(11,049)	(195,584)	51,320
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	654,890	850,474	799,154
CASH AND CASH EQUIVALENTS, END OF YEAR	643,841	654,890	850,474
Enstar Group Limited [Member]
OPERATING ACTIVITIES:
Net cash flows used in operating activities	(174,868)	(26,926)	(142,600)
INVESTING ACTIVITIES:
Return of capital, net	(72,953)	100,516	18,839
FINANCING ACTIVITIES:
Repayment of loans		(64,102)	(185,442)
Receipt of loans	95,000		167,650
Proceeds from issuance of ordinary shares			287,377
Net cash flows provided by (used in) financing activities	95,000	(64,102)	269,585
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(152,821)	9,488	145,824
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	180,810	171,322	25,498
CASH AND CASH EQUIVALENTS, END OF YEAR	$ 27,989	$ 180,810	$ 171,322

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Investments - Credit Ratings of Fixed Maturity Securities and Short-Term Investments, Trading (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	$ 3,662,721	$ 2,572,321
Percentage of Total Fair Value	100.00%	100.00%
AAA [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	502,057	418,297
Percentage of Total Fair Value	13.70%	16.30%
AA [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	1,430,107	958,267
Percentage of Total Fair Value	39.10%	37.20%
A [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	1,191,142	812,428
Percentage of Total Fair Value	32.50%	31.60%
BBB or Lower [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	461,614	376,347
Percentage of Total Fair Value	12.60%	14.60%
Not Rated [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Fair Value	$ 77,801	$ 6,982
Percentage of Total Fair Value	2.10%	0.30%

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Share Capital

12 Months Ended

Dec. 31, 2013

Equity [Abstract]

Share Capital

15.    SHARE CAPITAL

As at December 31, 2013 and 2012, the authorized share capital was 111,000,000 ordinary shares (“Voting Ordinary Shares”) and non-voting convertible ordinary shares (“Non-Voting Ordinary Shares”), each par value $1.00 per share and 45,000,000 preference shares of par value $1.00 per share. Each Voting Ordinary Share entitles the holder thereof to one vote. In accordance with the Company’s bye-laws, however, any U.S. shareholder or direct foreign shareholder group whose shares constitute 9.5% or more of the voting power of our Voting Ordinary Shares would be entitled to less than one vote for each Voting Ordinary Share held by them.

Issued and fully paid Voting Ordinary Shares of par value $1.00 each:

	2013		2012
Balance, beginning of year	$	13,752	$	13,665
Issue of shares		6		43
Share awards granted/vested		45		44
Balance, end of year	$	13,803	$	13,752

Issued and fully paid Series A non-voting convertible ordinary shares of par value $1.00 each:

	2013		2012
Balance, beginning and end of year	$	2,973	$	2,973

Issued and fully paid Series C non-voting convertible ordinary shares of par value $1.00 each:

	2013		2012
Balance, beginning and end of year	$	2,726	$	2,726

Series B, C and D Non-Voting Ordinary Shares

In connection with the transactions consummated pursuant to the April 20, 2011 Investment Agreement (the “Investment Agreement”) between the Company and GSCP VI AIV Navi, Ltd., GSCP VI Offshore Navi, Ltd., GSCP VI Parallel AIV Navi, Ltd., GSCP VI Employee Navi, Ltd., and GSCP VI GmbH Navi, L.P. (collectively, the “Purchasers”), each of which is an affiliate of Goldman, Sachs & Co., the Company has authorized Non-Voting Ordinary Shares in three different series: Series B, C and D. Only Series C Non-Voting Ordinary Shares are issued and outstanding. There is no economic difference in the sub-series of Non-Voting Ordinary Shares, but there are slight differences in the limited voting rights of each sub-series that are designed to address certain regulatory matters that may affect the Purchasers.

In accordance with the Investment Agreement, the Company issued and sold to the Purchasers, at three different closings that occurred during 2011, securities for an aggregate purchase price of $291.6 million. As a result of all three closings, the Purchasers received: (i) 665,529 Voting Ordinary Shares, (ii) 2,725,637 Series C Non-Voting Ordinary Shares, and (iii) warrants providing the right to acquire 340,820 Non-Voting Ordinary Shares for an exercise price of $115.0 per share, subject to certain adjustments, that expire on April 20, 2021.

The Purchasers may elect to convert their Voting Ordinary Shares into Series B Non-Voting Ordinary Shares, Series C Non-Voting Ordinary Shares or Series D Non-Voting Ordinary Shares. Holders of the Series C Non-Voting Ordinary Shares have the right to convert such shares, on a share-for-share basis, subject to certain adjustments, into Series D Non-Voting Ordinary Shares at their option. Holders of the Series B Non-Voting Ordinary Shares would have the right to convert such shares on a share-for-share basis, subject to certain adjustments, into Voting Ordinary Shares, Series C Non-Voting Ordinary Shares or Series D Non-Voting Ordinary Shares at their option.

Series B Convertible Participating Non-Voting Perpetual Preferred Stock

In connection with the agreement to acquire Torus, on July 8, 2013, the Company’s Board of Directors’ created 4,000,000 shares of Series B Convertible Participating Non-Voting Perpetual Preferred Stock, par value $1.00 per share (the “Non-Voting Preferred Shares”), from the authorized and unissued preference shares. The Company will issue a combination of Voting Ordinary Shares and Non-Voting Preferred Shares to certain shareholders of Torus at closing of the Amalgamation, as described in Note 3 — Acquisitions.

The Non-Voting Preferred Shares:

• rank on parity with the Voting Ordinary Shares and Non-Voting Ordinary Shares, but would rank senior to any other class or series of share capital of the Company, unless the terms of any such class or series shall provide otherwise;

• would receive dividends when, and if, and in the same amounts (on an as-converted basis), dividends are declared on the Voting Ordinary Shares and/or Non-Voting Ordinary Shares;

• automatically convert on a one-to-one basis into: (i) Voting Ordinary Shares upon the transfer of such Non-Voting Preferred Shares to any person other than an affiliate of First Reserve if that transfer qualifies as a widely dispersed offering and (ii) a new series of Non-Voting Ordinary Shares of the Company upon the approval by the Company’s shareholders of an amendment to the Company’s bye-laws to authorize such series;

• have a liquidation preference of $0.001 per share, and thereafter are entitled to participate (on an as-converted basis) with the Voting Ordinary Shares and the Non-Voting Ordinary Shares in the distribution of remaining assets; and

• have no voting rights other than: (i) in the event of a proposed change to the Company’s organizational documents that would significantly and adversely affect the rights of the Non-Voting Preferred Shares, (ii) certain share exchanges or reclassifications of the Non-Voting Preferred Shares, (iii) certain mergers or consolidations of the Company, or (iv) a voluntary liquidation or dissolution of the Company.

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Significant Accounting Policies (Policies)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Basis of Preparation

Basis of Preparation

The consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”).

Certain reclassifications have been made to the prior year reported amounts to conform to the current year presentation. These reclassifications had no impact on net earnings previously reported.

Basis of Consolidation

Basis of Consolidation

The consolidated financial statements include the assets, liabilities and results of operations of the Company as of December 31, 2013 and 2012 and for the years ended December 31, 2013, 2012 and 2011. Results of operations for subsidiaries acquired are included from the dates of their acquisition by the Company. Intercompany transactions are eliminated on consolidation.

Use of Estimates

Use of Estimates

The preparation of these consolidated financial statements requires management to make estimates and assumptions that affect the reported amount of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. While management believes that the amounts included in the consolidated financial statements reflect its best estimates and assumptions, actual results could differ from those estimates. The Company’s principal estimates include, but are not limited to:

• reserves for losses and loss adjustment expenses;

• policy benefits for life and annuity contracts;

• reinsurance balances recoverable, including the provisions for uncollectible amounts;

• other-than-temporary impairments in the carrying value of available-for-sale investment securities;

• valuation of certain other investments that are measured using significant unobservable inputs;

• valuation of goodwill and intangible assets; and

• fair value estimates associated with accounting for acquisitions.

Cash and cash equivalents

(a) Cash and cash equivalents

The Company considers all highly liquid debt instruments purchased with an original maturity of 3 months or less to be cash and cash equivalents.

Investments

(b) Investments

Short-term investments and fixed maturity investments

Short-term investments comprise investments with a maturity greater than three months but less than one year from the date of purchase. Fixed maturities comprise investments with a maturity of one year and greater from the date of purchase.

Short-term investments and fixed maturities classified as trading are carried at fair value, with realized and unrealized holding gains and losses included in net earnings and reported as net realized and unrealized gains and losses.

Short-term investments and fixed maturity investments classified as held-to-maturity securities, which are securities that the Company has the positive intent and ability to hold to maturity, are carried at amortized cost. The cost of short-term investments and fixed maturities are adjusted for amortization of premiums and accretion of discounts.

Short-term and fixed maturity investments classified as available-for-sale are carried at fair value, with unrealized gains and losses excluded from net earnings and reported as a separate component of accumulated other comprehensive income. Realized gains and losses on sales of investments classified as available-for-sale are recognized in the consolidated statements of earnings.

The costs of short-term and fixed maturity investments are adjusted for amortization of premium or discount, recognized using the effective yield method and included in net investment income. For mortgage-backed and asset-backed investments, and any other holdings for which there is a prepayment risk, prepayment assumptions are evaluated and revised on a regular basis.

Investment purchases and sales are recorded on a trade-date basis. Realized gains and losses on the sale of investments are based upon specific identification of the cost of investments.

Fixed maturity investments classified as available-for-sale and held-to-maturity are reviewed quarterly to determine if they have sustained an impairment of value that is, based on management’s judgement, considered to be other than temporary. The process includes reviewing each fixed maturity investment that is below cost and: (1) determining if the Company has the intent to sell the fixed maturity investment; (2) determining if it is more likely than not that the Company will be required to sell the fixed maturity investment before its anticipated

recovery; and (3) assessing whether a credit loss exists, that is, whether the Company expects that the present value of the cash flows expected to be collected from the fixed maturity investment is less than the amortized cost basis of the investment. In evaluating credit losses, the Company considers a variety of factors in the assessment of a fixed maturity investment including: (1) the time period during which there has been a significant decline below cost; (2) the extent of the decline below cost and par; (3) the potential for the investment to recover in value; (4) an analysis of the financial condition of the issuer; (5) the rating of the issuer; and (6) failure of the issuer of the investment to make scheduled interest or principal payments. If management concludes an investment is other-than-temporarily impaired (“OTTI”), then the difference between the fair value and the amortized cost of the investment is presented as an OTTI charge in the consolidated statements of earnings, with an offset for any noncredit-related loss component of the OTTI charge to be recognized in other comprehensive income. Accordingly, only the credit loss component of the OTTI amount would have an impact on the Company’s earnings.

Equities

Equities are classified as trading and are carried at fair value with realized and unrealized holding gains and losses included in net earnings and reported as net realized and unrealized gains and losses.

Other investments

Other investments include investments in limited partnerships and limited liability companies (collectively “private equities”) and fixed income, hedge, equity and real estate debt funds (collectively “funds”) that carry their investments at fair value. These funds are stated at fair value, which ordinarily will be the most recently reported net asset value as advised by the fund manager or administrator. Many of the Company’s fund investments publish net asset values on a daily basis and provide daily liquidity; others report on a monthly basis. Private equities typically report quarterly. The Company believes the reported net asset value represents the fair value market participants would apply to an interest in the various private equities or funds. The change in fair value is included in net realized and unrealized gains on investments and recognized in net earnings.

Derivative instruments

(c) Derivative instruments

The Company recognizes all derivatives as either assets or liabilities in the consolidated balance sheets and carries them at the fair value of the instrument. The Company uses derivative instruments for purposes of its overall foreign currency risk management strategy. Changes in fair value and realized gains or losses on derivative instruments are recorded in net foreign exchange gains and losses.

Losses and loss adjustment expenses

(d) Losses and loss adjustment expenses

Non-life run-off

The liability for losses and loss adjustment expenses includes an amount determined from reported claims and an amount, based on historical loss experience and industry statistics, for losses incurred but not reported determined using a variety of actuarial methods. These estimates are continually reviewed and are necessarily subject to the impact of future changes in factors such as claim severity and frequency, changes in economic conditions including the impact of inflation, legal developments and changes in social attitudes. While management believes that the amount is adequate, the ultimate liability may be significantly in excess of, or less than, the amounts provided. Adjustments will be reflected as part of net increase or reduction in losses and loss adjustment expense liabilities in the periods in which they become known. Premium and commission adjustments may be triggered by incurred losses and any amounts are recorded in the same period that the related incurred loss is recognized.

Commutations provide an opportunity for the Company to exit exposures to entire policies with insureds and reinsureds for an agreed upon payment, or payments, often at a discount to the previously estimated ultimate liability. As a result of exiting all exposures to such policies, all advised case reserves and incurred but not reported (“IBNR”) reserves relating to the insured or reinsured are eliminated. A commutation is recognized upon the execution of a commutation release agreement. Following completion of a commutation, all the related balances, including insurance and reinsurance balances payable and/or receivable, funds held by ceding companies, and losses and loss adjustment expenses (including fair value adjustments and estimated IBNR), are written off with corresponding gain or loss recorded in the net reduction of ultimate losses. A commutation may result in a net gain irrespective of whether the settlement exceeds the advised case reserves. Advised case reserves are those reserve estimates for a specific loss or losses reported to the Company by either the broker or insured or reinsured. IBNR reserves are established by the Company at a class of business or exposure level for claims that have not yet been reported to the Company but can reasonably be expected to have occurred, as well as for the future development of reported claims. A commutation settlement is a negotiated settlement of both the advised case reserves and an estimate of the IBNR reserves that relate to the policies being commuted. For latent exposures with a long reporting tail, the estimated level of IBNR reserves may be significantly higher than the advised case reserves. In such an instance, the commutation settlement of a block of such policies may be greater than the advised case reserves but less than the aggregate of the advised case reserves plus the estimated related IBNR reserves, resulting in a total saving to the remaining liability.

To the extent possible, all prior historical loss development that relates to commuted exposures is eliminated to produce revised historical loss development for the remaining non-commuted exposures. The Company’s estimates of IBNR reserves are not determined at the policyholder level but at the aggregate class of business or exposure level. Therefore, the Company does not typically identify a specific amount of IBNR reserves settled with each commutation. Rather, on an annual basis in the fourth quarter, the Company’s actuaries apply their actuarial methodologies to the remaining aggregate exposures and revised historical loss development information to reassess their estimates of gross and net ultimate liabilities and required gross and net IBNR reserves. Should a commutation that the Company considers significant occur in one of the first three quarters, then the Company, in conjunction with its independent actuaries, would estimate the amount of IBNR that would be associated with the policies being commuted. If the financial impact (including release of IBNR) of the commutation is considered significant, the Company would adjust its estimate of ultimate loss and loss adjustment expense liabilities in the quarter that the commutation was concluded. The agreed commutation settlement is recorded in net losses paid.

To the extent that commuted policies are protected by reinsurance, then the Company will, on completion of a commutation with an insured or reinsured, negotiate with the reinsurers to contribute their share of the commutation settlement. Any amounts received from such reinsurers will be recorded in net losses paid and the impact of any savings or loss on reinsurance recoverable on unpaid losses will be included in the actuarial reassessment of net ultimate liabilities and net IBNR reserves.

Commutations of acquired companies’ exposures have the effect of accelerating the payout of claims compared to the probability-weighted ranges of actuarially projected cash flows that the Company applies when estimating the fair values of assets and liabilities at the time of acquisition. Any material acceleration of payout together with the impact of any material loss reserve savings in any period will also accelerate the amortization of fair value adjustments in that period.

The Company’s insurance and reinsurance subsidiaries also establish provisions for loss adjustment expenses relating to run-off costs for the estimated duration of the run-off, which are included in losses and loss adjustment expenses. These provisions are assessed at each reporting date, and provisions relating to future periods are adjusted to reflect any changes in estimates of the periodic run-off costs or the duration of the run-off, including the impact of any acceleration of the run-off period that may be caused by commutations. Provisions relating to the current period together with any adjustment to future run-off provisions are included in net reduction in ultimate loss and loss adjustment expenses in the consolidated statements of earnings.

Active underwriting

The reserve for losses and loss expenses includes reserves for unpaid reported losses and for IBNR reserves. The reserves for unpaid reported losses and loss expenses are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by the Company. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

Reinsurance balances recoverable

(e) Reinsurance balances recoverable

Amounts billed to, and due from, reinsurers result from paid movements in the underlying assumed business and are calculated in accordance with the terms of the individual reinsurance contracts.

Similarly, reinsurance balances recoverable related to the Company’s assumed case reserves are calculated by applying the terms of any applicable reinsurance coverage to movements in the underlying assumed case reserves. The Company’s estimate of reinsurance balances recoverable related to its assumed IBNR reserves is recognized on a basis consistent with the underlying assumed IBNR reserves.

The Company’s reinsurance balances recoverable are presented net of a provision for uncollectible amounts, reflecting the amount deemed not collectible due to credit quality, collection problems due to location of the reinsurer, contractual disputes with reinsurers over individual contentious claims, contract language or coverage or for some other reason.

Retroactive reinsurance and novations

(f) Retroactive reinsurance and novations

Consideration received for business assumed by way of novation and premiums received on retroactive reinsurance is recorded in the balance sheet. The difference between the consideration received and liabilities assumed is recorded as an intangible asset or liability. Intangible assets or liabilities are subsequently amortized using the interest method over the expected claims settlement periods. As changes in estimates of timing or amount of losses and loss adjustment expenses are recognized, the amortization is adjusted retrospectively and included in losses and loss adjustment expenses in the period of the charge.

Premium revenue recognition

(g) Premium revenue recognition

Premiums written are earned on a pro-rata basis over the period the coverage is provided. Reinsurance premiums are recorded at the inception of the policy, are based upon contractual terms and for certain business is estimated based on underlying contracts or from information provided by clients and/or brokers. Changes in reinsurance premium estimates are expected and may result in significant adjustments in future periods. These estimates change over time as additional information regarding changes in underlying exposures is obtained. Any subsequent differences arising on such estimates are recorded as premiums written in the period they are determined.

Insurance premiums are recorded at the inception of the policy and are earned on a pro-rata basis over the period of coverage.

Unearned premiums represent the portion of premiums written that relate to the unexpired terms of policies in force. Premiums ceded are similarly pro-rated over the period the coverage is provided with the unearned portion being deferred as prepaid reinsurance premiums.

Certain contracts that the Company wrote, prior to going into run-off, are retrospectively rated and additional premium will be due should losses exceed pre-determined, contractual thresholds. These required additional premiums are based upon contractual terms and management judgment is involved with respect to the estimate of the amount of losses that the Company expects to be ceded. Additional premiums are recognized at the time loss thresholds specified in the contract are exceeded and are earned over the coverage period, or are earned immediately if the period of risk coverage has passed. Changes in estimates of losses recorded on contracts with additional premium features will result in changes in additional premiums based on contractual terms.

Life and annuities

The Pavonia companies, prior to going into run-off, wrote various U.S. and Canadian life insurance, including credit life and disability insurance, term life insurance, assumed life reinsurance and annuities. The Pavonia companies will continue to recognize premiums on term life insurance, assumed life reinsurance and credit life and disability insurance.

Premiums from term life insurance, credit life and disability insurance and assumed life reinsurance are generally recognized as revenue when due from policyholders. Term life, assumed life reinsurance and credit life and disability policies include those contracts with fixed and guaranteed premiums and benefits. Benefits and expenses are matched with such revenue to result in the recognition of profit over the life of the contracts.

Premiums Receivable

(h) Premiums Receivable

Premiums receivable represent amounts currently due and amounts not yet due on insurance and reinsurance policies. Premiums for insurance policies are generally due at inception. Premiums for reinsurance policies generally become due over the period of coverage based on the policy terms. The Company monitors the credit risk associated with premiums receivable, taking into consideration that credit risk is reduced by the Company’s contractual right to offset loss obligations or unearned premiums against premiums receivable. Amounts deemed uncollectible are charged to net earnings in the period they are determined. Changes in the estimate of premiums written will result in an adjustment to premiums receivable in the period they are determined. Certain contracts are retrospectively rated and provide for a final adjustment to the premium based on the final settlement of all losses. Premiums receivable on such contracts are adjusted based on the estimate of losses the Company expects to incur, and are not considered due until all losses are settled.

Policy Benefits for Life and Annuity Contracts

(i) Policy Benefits for Life and Annuity Contracts

The Company’s policy benefits for life and annuity contracts (“policy benefits”) are calculated using standard actuarial techniques and cash flow models in accordance with the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 944, Financial Services — Insurance. The Company establishes and maintains its policy benefits at a level that the Company estimates will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable. The Company reviews its policy benefits regularly and performs loss recognition testing based upon cash flow projections.

Since the development of the policy benefits is based upon cash flow projection models, the Company makes estimates and assumptions based on experience and industry mortality tables, longevity and morbidity rates, lapse rates, expenses and investment experience, including a provision for adverse deviation. The assumptions used to determine policy benefits are determined at the inception of the contracts, reviewed and adjusted at the point of acquisition, as required, and are locked-in throughout the life of the contract unless a premium deficiency develops. The assumptions are reviewed no less than annually and are unlocked if they would result in a material adverse reserve change. The Company establishes these estimates based upon transaction-specific historical experience, information provided by the ceding company for the assumed business and industry experience. Actual results could differ materially from these estimates. As the experience on the contracts emerges, the assumptions are reviewed by management. The Company determines whether actual and anticipated experience indicates that existing policy benefits, together with the present value of future gross premiums, are sufficient to cover the present value of future benefits, settlement and maintenance costs and to recover unamortized acquisition costs. If such a review indicates that policy benefits should be greater than those currently held, then the locked-in assumptions are revised and a charge for policy benefits is recognized at that time.

Because of the many assumptions and estimates used in establishing policy benefits and the long-term nature of the contracts, the reserving process, while based on actuarial techniques, is inherently uncertain.

Redeemable noncontrolling interest

(j) Redeemable noncontrolling interest

In connection with the acquisitions of Arden and Atrium, and with the proposed acquisition of Torus Insurance Holdings Limited (“Torus”), (as described in Note 3, —Acquisitions) certain subsidiaries have issued or will issue shares to a noncontrolling interest. These shares provide certain redemption rights to the holder, which may be settled in the Company’s own shares or cash, at the Company’s option. The Company classifies redeemable noncontrolling interest with redemption features that are not solely within the control of the Company within temporary equity in its consolidated balance sheets and carries them at the redemption value, which is fair value. The Company recognizes changes in the fair value that exceed the carrying value of redeemable noncontrolling interest through retained earnings as if the balance sheet date were also the redemption date. For a description of the redemption rights refer to Note 3 — Acquisitions.

Fees and commission income

(k) Fees and commission income

Fixed fee income is recognized in accordance with the term of the Company’s third-party management agreements. Time-based fees are recognized as services are provided. Success-based fees are recognized when all of the contractual requirements specified in the agreement are met. Profit commissions are recorded on an accruals basis, and are earned in line with the annual accounting results of the syndicate managed by Atrium.

Foreign exchange

(l) Foreign exchange

The reporting currency of the Company is the U.S. dollar. Assets and liabilities of entities whose functional currency is not the U.S. dollar are translated at period end exchange rates. Revenue and expenses of such foreign entities are translated at average exchange rates during the year. The effect of the currency translation adjustments for these foreign entities is included in accumulated other comprehensive income.

Other foreign currency assets and liabilities that are considered monetary items are translated at exchange rates in effect at the balance sheet date. Foreign currency revenues and expenses are translated at transaction date exchange rates. These exchange gains and losses are included in the determination of net earnings.

Earnings per share

(m) Earnings per share

Basic earnings per share is based on the weighted average number of ordinary shares outstanding and excludes any dilutive effects of warrants, options and convertible securities. Diluted earnings per share is based on the weighted average number of ordinary and ordinary share equivalents outstanding calculated using the treasury stock method for all potentially dilutive securities. When the effect of dilutive securities would be anti-dilutive, these securities are excluded from the calculation of diluted earnings per share.

Acquisitions

(n) Acquisitions

The Company uses the purchase method in accounting for acquisitions. The difference between the fair value of net assets acquired and purchase price is recorded as goodwill or negative goodwill.

The purchase method of accounting requires that the acquirer record the assets and liabilities acquired at their estimated fair value. The fair values of each of the reinsurance assets and liabilities acquired are derived from probability-weighted ranges of the associated projected cash flows, based on actuarially prepared information and management’s strategy. The Company’s run-off strategy, as well as that of other run-off market participants, is expected to be different from the sellers as generally sellers are not specialized in running off insurance and reinsurance liabilities whereas the Company and other market participants do specialize in such run-offs.

The key assumptions used by the Company and, it believes, by other run-off market participants in the fair valuation of acquired companies are (i) the projected payout, timing and amount of claims liabilities; (ii) the related projected timing and amount of reinsurance collections; (iii) a risk-free discount rate, which is applied to determine the present value of the future cash flows; (iv) the estimated unallocated loss adjustment expenses to be incurred over the life of the run-off; (v) the impact of any accelerated run-off strategy; and (vi) an appropriate risk margin.

The difference between the original carrying value of reinsurance liabilities and reinsurance assets acquired at the date of acquisition and their fair value is recorded as an intangible asset or other liability, which the Company refers to as the fair value adjustment (“FVA”). The FVA is amortized over the estimated payout period of outstanding losses and loss expenses acquired. To the extent the actual payout experience after the acquisition is materially faster or slower than anticipated at the time of the acquisition, there is an adjustment to the estimated ultimate loss reserves, or there are changes in bad debt provisions or in estimates of future run-off costs following accelerated payouts, then the amortization of the FVA is adjusted to reflect such changes.

Goodwill

(o) Goodwill

Goodwill represents the excess of the purchase price over the fair value of the net assets acquired. The Company performs an initial valuation of its goodwill assets and assesses goodwill for impairment on an annual basis. If, as a result of the assessment, the Company determines the value of its goodwill asset is impaired, goodwill is written down in the period in which the determination is made. No impairment has been recorded as a result of the assessment.

Intangible Assets

(p) Intangible Assets

Intangible assets represent the fair value adjustments related to unpaid losses and loss expenses, reinsurance balances recoverable and policy benefits for life and annuity contracts along with the fair values of Lloyd’s syndicate capacity, customer relationships, management contract and brand arising from the acquisition of Atrium. Definite-lived intangible assets are amortized over their useful lives. The Company recognizes the amortization of all intangible assets in the consolidated statement of earnings. Indefinite-lived intangible assets are not subject to amortization. The carrying values of intangible assets are reviewed for indicators of impairment on at least an annual basis. Impairment is recognized if the carrying values of the intangible assets are not recoverable from their undiscounted cash flows and are measured as the difference between the carrying value and the fair value

Stock-based compensation

(q) Share-based compensation

Share-based payment awards settled in ordinary shares are recorded in additional paid-in capital. The fair value of the award is measured at the grant date and expensed over the vesting period.

Income taxes

(r) Income taxes

Certain subsidiaries and branches of the Company operate in jurisdictions where they are subject to taxation. Current and deferred income taxes are charged or credited to net income, or, in certain cases, to accumulated other comprehensive income, based upon enacted tax laws and rates applicable in the relevant jurisdiction in the period in which the tax becomes accruable or realizable. Deferred income taxes are provided for all temporary differences between the bases of assets and liabilities used in the financial statements and those used in the various jurisdictional tax returns. When management’s assessment indicates that it is more likely than not that deferred income tax assets will not be realized, a valuation allowance is recorded against the deferred tax assets.

The Company recognizes a tax benefit relating to uncertain tax positions only where the position is more likely than not to be sustained assuming examination by tax authorities. A liability is recognized for any tax benefit (along with any interest and penalty, if applicable) claimed in a tax return in excess of the amount allowed to be recognized in the financial statements under U.S. GAAP. Any changes in amounts recognized are recorded in the period in which they are determined.

New Accounting Standards Adopted in 2013

New Accounting Standards Adopted in 2013

ASU 2011-11, Disclosures About Offsetting Assets and Liabilities

In December 2011, the FASB issued new disclosure requirements regarding the nature of an entity’s rights of setoff and related arrangements associated with its financial instruments and derivative instruments. The new disclosures are designed to make financial statements that are prepared under U.S. GAAP more comparable to those prepared under International Financial Reporting Standards. The Company adopted the amended guidance effective January 1, 2013. The adoption of the guidance did not have a material impact on the consolidated financial statements.

ASU 2013-02, Presentation of Items Reclassified from Accumulated Other Comprehensive Income

In February 2013, the FASB issued new disclosure requirements for items reclassified from accumulated other comprehensive income. This guidance requires entities to disclose in a single location (either on the face of the financial statement that reports net earnings or in the notes) the effects of reclassification out of accumulated other comprehensive income. The Company adopted this guidance effective January 1, 2013. The adoption of the guidance did not have a material impact on the consolidated financial statements.

Recently Issued Accounting Pronouncements Not Yet Adopted

Recently Issued Accounting Pronouncements Not Yet Adopted

ASU 2013-11 Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists

In July 2013, the FASB issued ASU No. 2013-11, Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carryforward, a Similar Tax Loss, or a Tax Credit Carryforward Exists (“ASU 2013-11”). The objective of ASU 2013-11 is to improve the financial statement presentation of an unrecognized tax benefit when a net operating loss carryforward, a similar tax loss, or a tax credit carryforward exists. ASU 2013-11 seeks to reduce the diversity in practice by providing guidance on the presentation of unrecognized tax benefits to better reflect the manner in which an entity would settle at the reporting date any additional income taxes that would result from the disallowance of a tax position when net operating loss carryforwards, similar tax losses, or tax credit carryforwards exist. ASU 2013-11 is effective for annual and interim reporting periods beginning after December 15, 2013, with both early adoption and retrospective application permitted. The Company is currently evaluating the impact of this guidance; however, it is not expected to have a material impact on the Company’s consolidated statements of operations and financial position.

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Loans Payable - Additional Information (Detail) (USD $)			12 Months Ended	1 Months Ended	12 Months Ended		12 Months Ended			0 Months Ended	11 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 EGL Revolving Credit Facility [Member]	Jul. 31, 2013 Clarendon Facility [Member]	Dec. 31, 2013 Clarendon Facility [Member]	Mar. 04, 2011 Clarendon Facility [Member]	Dec. 31, 2013 Repurchase Agreements [Member]	Dec. 31, 2012 Repurchase Agreements [Member]	Dec. 31, 2011 Repurchase Agreements [Member]	Aug. 26, 2013 SeaBright Surplus Notes [Member]	Dec. 31, 2013 SeaBright Surplus Notes [Member]	Dec. 31, 2013 Restated Credit Agreement [Member] EGL Revolving Credit Facility [Member]	Feb. 05, 2013 SeaBright Facility [Member]	Dec. 31, 2013 SeaBright Facility [Member]	Dec. 31, 2013 SeaBright Facility [Member] Minimum [Member]	Dec. 31, 2013 SeaBright Facility [Member] Maximum [Member]
Line of Credit Facility [Line Items]
Interest expense							$ 12,400,000	$ 8,400,000	$ 8,500,000		$ 300,000
Loans payable outstanding, including accrued interest	452,446,000	107,430,000
Amount of credit facility agreement			250,000,000			106,500,000						375,000,000
Period of Revolving Credit Facility			3 years									5 years		3 years
Revolving credit facility expiration date			Jun. 30, 2014									Jul. 31, 2018
Interest rate payable period, maximum			6 months		6 months
Interest rate of credit facility			LIBOR plus 2.75%												LIBOR plus 2.75%	LIBOR plus 3.50%
Commitment fee on unused portion of the EGL Revolving Credit Facility			1.10%
Percentage increase in interest rate if payment default occurs			1.00%		1.00%									1.00%
Amount borrowed under facility agreement			258,800,000
Borrowings interest rate			2.90%
Term facility agreement period					4 years
Percentage of loan facility available to be drawn						50.00%
Interest rate of credit facility
Debt repayment date					Jul. 12, 2015									Dec. 21, 2016
Repayment of outstanding principal balance				27,500,000
Outstanding principal amount	448,795,000	106,500,000		79,000,000										111,000,000
Period of Revolving Credit Facility													4 years
Amount of facility agreement													111,000,000
Interest rate payable period														Semi-Annually
Undrawn and uncancelled fee percentage														1.00%
Repayment of outstanding principal and accrued interest										$ 12,100,000

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Segment Information - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013 Segment
Liability for Future Policy Benefit, by Product Segment [Line Items]
Number of reportable segments	3
Pavonia [Member]
Liability for Future Policy Benefit, by Product Segment [Line Items]
Business acquisition, Date of acquisition	Mar. 31, 2013
Arden [Member]
Liability for Future Policy Benefit, by Product Segment [Line Items]
Business acquisition, Date of acquisition	Sep. 09, 2013
Atrium [Member]
Liability for Future Policy Benefit, by Product Segment [Line Items]
Business acquisition, Date of acquisition	Nov. 25, 2013

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Employee Benefits

12 Months Ended

Dec. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Employee Benefits

17.    EMPLOYEE BENEFITS

Summary

Components of salaries and benefits are summarized as follows:

	2013		2012		2011
Salaries and benefits	$	83,563	$	63,689	$	55,642
Defined contribution pension plan expense		6,023		4,240		4,864
2006 equity plan		2,923		2,894		2,662
Annual incentive plan		32,107		29,650		26,678
Total salaries and benefits	$	124,616	$	100,473	$	89,846

Employee share plans

Employee share awards are summarized as follows:

	2013					2012					2011
	Number of Shares			Weighted Average Fair Value of the Award		Number of Shares			Weighted Average Fair Value of the Award		Number of Shares			Weighted Average Fair Value of the Award
Nonvested — January 1		160,644		$	17,989		203,930		$	20,026		153,930		$	13,019
Granted		4,959			557		5,633			472		71,621			5,957
Vested		(50,444	)		5,855		(48,919	)		4,736		(21,621	)		1,907
Nonvested — December 31		115,159		$	15,997		160,644		$	17,989		203,930		$	20,026

2006 Equity Incentive Plan / 2011-2015 Annual Incentive Compensation Program

For the years ended December 31, 2013, 2012 and 2011, nil, 191 and 16,328 shares, respectively, were awarded to employees under the 2006 Equity Incentive Plan (the “Equity Plan”).

The total unrecognized compensation cost related to the Company’s non-vested share awards under the Equity Plan as at December 31, 2013 and 2012 was $4.7 million and $7.6 million, respectively. This cost is expected to be recognized evenly over the next 1.8 years. Compensation costs of $2.9 million, $2.8 million and $2.7 million relating to these share awards were recognized in the Company’s statement of earnings for the years ended December 31, 2013, 2012 and 2011, respectively.

The total value of the awards for the years ended December 31, 2013 and 2012 were $nil and $1.5 million with the value of the 2012 award being charged against the Enstar Group Limited 2011-2015 Annual Incentive Compensation Program (the “Incentive Program”) accrual established for the year ended December 31, 2011.

The accrued expense relating to the Incentive Program for the years ended December 31, 2013 and 2012 was $32.1 million and $29.6 million, respectively, as compared to $26.7 million for the year ended December 31, 2011 relating to the Enstar Group Limited 2006-2010 Annual Incentive Compensation Program (“2006 Program”). The 2006 Program ended effective December 31, 2010. On February 23, 2011, the Company adopted the Incentive Program.

Enstar Group Limited Employee Share Purchase Plan

For the years ended December 31, 2013, 2012 and 2011, compensation costs of less than $0.1 million relating to the shares issued under the Amended and Restated Enstar Group Limited Employee Share Purchase Plan (the “Share Plan”) were recognized in the Company’s statement of earnings. As at December 31, 2013, 2012 and 2011, 4,959, 5,442 and 5,208 shares have been issued to employees under the Share Plan.

Deferred Compensation and Ordinary Share Plan for Non-Employee Directors

For the years ended December 31, 2013, 2012 and 2011, 3,566 3,029 and 4,193 restricted share units, respectively, were credited to the accounts of non-employee directors under the Enstar Group Limited Deferred Compensation and Ordinary Share Plan for Non-Employee Directors. The Company recorded expenses related to the restricted share units for the years ended December 31, 2013, 2012 and 2011 of $0.5 million, $0.3 million and $0.4 million, respectively.

Pension Plan

The Company provides pension benefits to eligible employees through various plans sponsored by the Company. All pension plans, except for the noncontributory defined benefit pension plan acquired in the 2010 PW Acquisition Company transaction (the “PWAC Plan”), are structured as defined contribution plans. Pension expense for the years ended December 31, 2013, 2012 and 2011 was $6.0 million, $4.5 million and $4.9 million, respectively.

In addition, the Company recorded pension expense relating to the PWAC Plan for the years ended December 31, 2013, 2012 and 2011 of $0.7 million, $0.8 million and $0.6 million, respectively. During 2013, an actuarial review was performed on the PWAC plan, which determined that the PWAC Plan’s unfunded liability, as at December 31, 2013, was $7.8 million as compared to $13.9 million as at December 31, 2012. As at December 31, 2013, PW Acquisition Company had an accrued liability of $7.8 million for the unfunded PWAC Plan liability.

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Investments - Credit Ratings Company's Fixed Maturity Securities Held to Maturity (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 859,387
Fair Value	799,559
% of Total Fair Value	100.00%
AAA [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	47,949
Fair Value	44,552
% of Total Fair Value	5.60%
AA [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	259,163
Fair Value	239,188
% of Total Fair Value	29.90%
A [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	496,986
Fair Value	463,001
% of Total Fair Value	57.90%
BBB or Lower [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	54,759
Fair Value	52,282
% of Total Fair Value	6.50%
Not Rated [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	530
Fair Value	$ 536
% of Total Fair Value	0.10%

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Employee Benefits - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
2006 Equity Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Total unrecognized compensation cost related to non-vested share awards	$ 4,700,000	$ 7,600,000
Total unrecognized compensation cost related to non-vested awards, period of recognition	19 months 18 days
Compensation costs recognized in earnings	2,900,000	2,800,000	2,700,000
Accrued expense			26,700,000
2011 Equity Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Total value of share-based awards		1,500,000
Accrued expense	32,100,000	29,600,000
Enstar Group Limited Employee Share Purchase Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Compensation costs recognized in earnings	$ 100,000	$ 100,000	$ 100,000
Shares issued to employees	4,959	5,442	5,208
Employees [Member] | 2006 Equity Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares awarded to employees		191	16,328

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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
OPERATING ACTIVITIES:
NET EARNINGS	$ 223,822	$ 191,519	$ 208,458
Adjustments to reconcile net earnings to cash flows provided by operating activities:
Gain on bargain purchase			(13,105)
Net realized and unrealized investment gains	(188)	(42,233)	(8,020)
Net realized and unrealized gains from other investments	(70,463)	(31,379)	(1,194)
Other items	11,276	(765)	1,518
Depreciation and amortization	1,055	1,469	1,593
Net amortization of premiums and discounts	51,505	28,758	25,085
Net movement of trading securities held on behalf of policyholders	3,485	24,225	(6,816)
Sales and maturities of trading securities	2,679,826	2,468,584	1,463,637
Purchases of trading securities	(2,713,581)	(2,618,029)	(2,158,509)
Changes in assets and liabilities:
Reinsurance balances recoverable	430,542	666,793	238,818
Funds held by reinsured companies	175,750	(257,504)	166,951
Other assets	155,177	63,952	(28,506)
Losses and loss adjustment expenses	(706,880)	(623,174)	(675,108)
Policy benefits for life and annuity contracts	6,443
Insurance and reinsurance balances payable	(165,896)	(65,475)	(24,833)
Unearned premiums	(81,967)
Accounts payable and accrued liabilities	(22,295)	(3,209)	(18,301)
Other liabilities	(31,998)	9,118	(81,588)
Net cash flows used in operating activities	(62,387)	(187,350)	(909,920)
INVESTING ACTIVITIES:
Acquisitions, net of cash acquired	(409,560)		(88,505)
Sales and maturities of available-for-sale securities	196,507	353,913	445,052
Purchase of held-to-maturity securities	(112)
Purchase of available-for-sale securities	(15,739)
Maturities of held-to-maturity securities	18,449
Movement in restricted cash and cash equivalents	(78,638)	73,226	290,207
Purchase of other investments	(107,396)	(214,558)	(24,787)
Redemption of other investments	28,568	16,839	66,925
Other investing activities	2,132	(789)	3,031
Net cash flows (used in) provided by investing activities	(365,789)	228,631	691,923
FINANCING ACTIVITIES:
Net proceeds from issuance of shares			287,377
Distribution of capital to noncontrolling interest		(30,245)	(16,200)
Contribution by redeemable noncontrolling interest	96,689
Dividends paid to noncontrolling interest	(3,908)	(68,987)	(8,100)
Receipt of loans	369,800		274,150
Repayment of loans	(39,505)	(134,541)	(277,458)
Net cash flows provided by (used in) financing activities	423,076	(233,773)	259,769
EFFECT OF EXCHANGE RATE CHANGES ON FOREIGN CURRENCY CASH AND CASH EQUIVALENTS	(5,949)	(3,092)	9,548
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(11,049)	(195,584)	51,320
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR	654,890	850,474	799,154
CASH AND CASH EQUIVALENTS, END OF YEAR	643,841	654,890	850,474
Supplemental Cash Flow Information
Net income taxes paid	32,115	27,938	64,679
Interest paid	$ 9,114	$ 9,155	$ 6,948

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Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Short-term investments, available-for-sale, at fair value, amortized cost	$ 32,477
Fixed maturities, available-for-sale, at fair value, amortized cost	$ 210,825	$ 245,396
Common shares, par value	$ 1	$ 1
Common shares, authorized	156,000,000	156,000,000
Share Capital - Ordinary Shares [Member]
Ordinary shares, shares issued	13,802,706	13,752,172
Ordinary shares, shares outstanding	13,802,706	13,752,172
Series A Non-Voting Convertible Ordinary Shares [Member]
Ordinary shares, shares issued	2,972,892	2,972,892
Treasury shares at cost (Series A non-voting convertible ordinary shares)	2,972,892	2,972,892
Series C Non-Voting Convertible Ordinary Shares [Member]
Ordinary shares, shares issued	2,725,637	2,725,637
Ordinary shares, shares outstanding	2,725,637	2,725,637

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Premiums Written and Earned

12 Months Ended

Dec. 31, 2013

Insurance [Abstract]

Premiums Written and Earned

10.    PREMIUMS WRITTEN AND EARNED

The following tables provide a summary of net premiums written and earned in our non-life run-off, active underwriting and life and annuities segments for the years ended December 31, 2013, 2012 and 2011:

	2013						2012				2011
	Premiums Written			Premiums Earned			Premiums Written		Premiums Earned		Premiums Written		Premiums Earned
Non-life run-off
Direct	$	17,250		$	121,986		$	—	$	—	$	—	$	—
Assumed		(3,084	)		2,276			—		—		—		—
Ceded		(4,933	)		(11,651	)		—		—		—		—
Net	$	9,233		$	112,611		$	—	$	—	$	—	$	—
Active underwriting
Direct		10,214			12,416		$	—	$	—	$	—	$	—
Assumed		19,890			19,796			—		—		—		—
Ceded		—			—			—		—		—		—
Net	$	30,104		$	32,212		$	—	$	—	$	—	$	—
Life and annuities
Life	$	63,856		$	94,984		$	3,511	$	3,511	$	3,543	$	3,543

Non-life run-off

Net premiums written and earned by SeaBright totaled $9.2 million and $112.6 million from the date of acquisition to December 31, 2013, respectively. Now that SeaBright’s exit from the mandatory renewal process has been approved, the Company expects that SeaBright will no longer generate premiums written other than for small adjustments related to premium audits and reinstatement premiums on previously written policies. As at December 31, 2013, SeaBright had total unearned premiums of $1.2 million.

Active underwriting

Net premiums written and earned by Atrium and Arden combined totaled $30.1 million and $32.2 million, respectively, from their dates of acquisition to December 31, 2013. As at December 31, 2013, Atrium and Arden had total unearned premiums of $59.5 million and $6.3 million, respectively.

Life and annuities

Life and annuity premiums written by the Company’s life and annuities segment totaled $63.9 million, $3.5 million and $3.5 million for the years ended December 31, 2013, 2012 and 2011, respectively, and net earned premiums, over the same periods, totaled $95.0 million, $3.5 million and $3.5 million, respectively. The Company’s life companies continue to collect premiums in relation to the unexpired policies assumed on acquisition. As at December 31, 2013, Pavonia had total unearned premiums of $3.7 million.

For the year ended December 31, 2013, the Company’s life and annuities segment consisted of both Pavonia and Laguna, while for the years ended December 31, 2012 and 2011, it consisted of Laguna only.

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Share Capital - Summary of Changes in Voting Ordinary Shares (Detail) (USD $) In Thousands, unless otherwise specified	0 Months Ended			12 Months Ended
	Apr. 20, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Share Capital - Ordinary Shares [Member]	Dec. 31, 2012 Share Capital - Ordinary Shares [Member]	Dec. 31, 2011 Share Capital - Ordinary Shares [Member]
Class of Stock [Line Items]
Balance, beginning of year		$ 1,977,523	$ 1,775,233	$ 13,752	$ 13,665	$ 12,940
Issue of shares	291,600			6	43	674
Share awards granted/vested				45	44	51
Balance, beginning and end of year		$ 1,977,523	$ 1,775,233	$ 13,803	$ 13,752	$ 13,665

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Retrospectively Rated Contracts - Additional Information (Detail) (USD $)	11 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013
Insurance [Abstract]
Accrued retrospective premiums receivable	$ 8,800,000	$ 8,800,000
Return of retrospective premiums		27,500,000
Direct premiums written	$ 0

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Premiums Written and Earned - Schedule of Net Premiums Written and Earned (Detail) (USD $)	11 Months Ended	12 Months Ended			3 Months Ended				12 Months Ended			3 Months Ended				12 Months Ended			3 Months Ended												12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Non-Life Run-Off [Member]	Sep. 30, 2013 Non-Life Run-Off [Member]	Jun. 30, 2013 Non-Life Run-Off [Member]	Mar. 31, 2013 Non-Life Run-Off [Member]	Dec. 31, 2013 Non-Life Run-Off [Member]	Dec. 31, 2012 Non-Life Run-Off [Member]	Dec. 31, 2011 Non-Life Run-Off [Member]	Dec. 31, 2013 Active Underwriting [Member]	Sep. 30, 2013 Active Underwriting [Member]	Jun. 30, 2013 Active Underwriting [Member]	Mar. 31, 2013 Active Underwriting [Member]	Dec. 31, 2013 Active Underwriting [Member]	Dec. 31, 2012 Active Underwriting [Member]	Dec. 31, 2011 Active Underwriting [Member]	Dec. 31, 2013 Life and Annuity [Member]	Sep. 30, 2013 Life and Annuity [Member]	Jun. 30, 2013 Life and Annuity [Member]	Mar. 31, 2013 Life and Annuity [Member]	Dec. 31, 2012 Life and Annuity [Member]	Sep. 30, 2012 Life and Annuity [Member]	Jun. 30, 2012 Life and Annuity [Member]	Mar. 31, 2012 Life and Annuity [Member]	Dec. 31, 2011 Life and Annuity [Member]	Sep. 30, 2011 Life and Annuity [Member]	Jun. 30, 2011 Life and Annuity [Member]	Mar. 31, 2011 Life and Annuity [Member]	Dec. 31, 2013 Life and Annuity [Member]	Dec. 31, 2012 Life and Annuity [Member]	Dec. 31, 2011 Life and Annuity [Member]
Premiums Written And Earned [Line Items]
Direct, Premiums Written	$ 0								$ 17,250,000							$ 10,214,000
Assumed, Premiums Written									(3,084,000)							19,890,000
Ceded, Premiums Written									(4,933,000)
Net, Premiums Written									9,233,000							30,104,000															63,900,000	3,500,000	3,500,000
Life, Premium Written, Life and annuities																															63,856,000	3,511,000	3,543,000
Direct, Premiums Earned		221,933,000	5,421,000	5,240,000					121,986,000							12,416,000															87,531,000	5,421,000	5,240,000
Assumed, Premiums Earned		37,656,000							2,276,000							19,796,000															15,584,000
Ceded, Premiums Earned		(19,782,000)	(1,910,000)	(1,697,000)					(11,651,000)																						(8,131,000)	(1,910,000)	(1,697,000)
Net, Premiums Earned		239,807,000	3,511,000	3,543,000	12,341,000	28,134,000	41,216,000	30,920,000	112,611,000			32,212,000				32,212,000			29,323,000	30,540,000	34,380,000	741,000	819,000	822,000	896,000	974,000	1,080,000	1,192,000	1,271,000		94,984,000	3,511,000	3,543,000
Life, Premium Earned, Life and annuities																															$ 94,984,000	$ 3,511,000	$ 3,543,000

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Commitments and Contingencies - Summary of Company's Outstanding Unfunded Investment Commitments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Commitments And Contingencies Disclosure [Abstract]
Commitments	$ 291,000	$ 251,000
Commitments, Funded	176,760	163,409
Commitments, Unfunded	$ 114,240	$ 87,591

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Schedule III - Supplementary Insurance Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred Acquisition Costs	$ 16,744
Supplementary Insurance Information, Reserves for Losses and Loss Adjustment Expenses	4,219,905	3,650,127	4,272,081
Supplementary Insurance Information, Unearned Premiums	70,697
Supplementary Insurance Information, Other Benefits Payable	1,273,100	11,027	10,835
Supplementary Insurance Information, Net Premiums Earned	239,807	3,511	3,543
Supplementary Insurance Information, Net Investment Income	93,295	77,760	68,676
Supplementary Insurance Information, Losses and Loss Expenses and Policy Benefits	(85,318)	(238,253)	(291,904)
Supplementary Insurance Information, Amortization of Deferred Acquisition Costs	23,199
Supplementary Insurance Information, Other Operating Expenses	219,248	165,897	170,558
Supplementary Insurance Information, Net Premiums Written	103,193	3,511	3,543
Non-life Run-off [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Reserves for Losses and Loss Adjustment Expenses	4,004,513	3,650,127	4,272,081
Supplementary Insurance Information, Unearned Premiums	1,199
Supplementary Insurance Information, Net Premiums Earned	112,611
Supplementary Insurance Information, Net Investment Income	64,048	76,813	66,556
Supplementary Insurance Information, Losses and Loss Expenses and Policy Benefits	(182,975)	(237,953)	(293,461)
Supplementary Insurance Information, Amortization of Deferred Acquisition Costs	14,379
Supplementary Insurance Information, Other Operating Expenses	191,268	164,143	170,000
Supplementary Insurance Information, Net Premiums Written	9,233
Life and Annuity [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Unearned Premiums	3,694
Supplementary Insurance Information, Other Benefits Payable	1,273,100	11,027	10,835
Supplementary Insurance Information, Net Premiums Earned	94,984	3,511	3,543
Supplementary Insurance Information, Net Investment Income	30,182	947	2,120
Supplementary Insurance Information, Losses and Loss Expenses and Policy Benefits	78,354	(300)	1,557
Supplementary Insurance Information, Amortization of Deferred Acquisition Costs	8,820
Supplementary Insurance Information, Other Operating Expenses	22,452	2,467	558
Supplementary Insurance Information, Net Premiums Written	63,856	3,511	3,543
Active Underwriting [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Deferred Acquisition Costs	16,744
Supplementary Insurance Information, Reserves for Losses and Loss Adjustment Expenses	215,392
Supplementary Insurance Information, Unearned Premiums	65,804
Supplementary Insurance Information, Net Premiums Earned	32,212
Supplementary Insurance Information, Net Investment Income	521
Supplementary Insurance Information, Losses and Loss Expenses and Policy Benefits	19,303
Supplementary Insurance Information, Other Operating Expenses	9,660
Supplementary Insurance Information, Net Premiums Written	30,104
Eliminations [Member]
Supplementary Insurance Information, by Segment [Line Items]
Supplementary Insurance Information, Net Investment Income	(1,456)
Supplementary Insurance Information, Other Operating Expenses	$ (4,132)	$ (713)

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Retained Earnings and Statutory Restrictions - Summary of Statutory Capital and Surplus (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Bermuda [Member]
Statutory Accounting Practices [Line Items]
Minimum Required Statutory Capital and Surplus	$ 109,010	$ 92,606
Actual Statutory Capital and Surplus	833,263	627,335
Statutory Income (Loss)	103,852	98,247	80,022
United Kingdom [Member]
Statutory Accounting Practices [Line Items]
Minimum Required Statutory Capital and Surplus	83,410	80,324
Actual Statutory Capital and Surplus	592,992	506,459
Statutory Income (Loss)	76,685	64,015	114,403
Australia [Member]
Statutory Accounting Practices [Line Items]
Minimum Required Statutory Capital and Surplus	65,894	82,007
Actual Statutory Capital and Surplus	99,174	94,042
Statutory Income (Loss)	19,131	4,651	13,979
U.S. [Member]
Statutory Accounting Practices [Line Items]
Minimum Required Statutory Capital and Surplus	138,331	102,114
Actual Statutory Capital and Surplus	879,947	445,818
Statutory Income (Loss)	4,725	(42,109)	(8,234)
Europe [Member]
Statutory Accounting Practices [Line Items]
Minimum Required Statutory Capital and Surplus	12,965	38,642
Actual Statutory Capital and Surplus	142,216	173,974
Statutory Income (Loss)	$ 11,035	$ 7,578	$ 22,356

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Document and Entity Information (USD $) In Billions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Jun. 28, 2013	Mar. 02, 2014 Share Capital - Ordinary Shares [Member]	Feb. 24, 2014 Non-Voting Convertible Ordinary Shares [Member]
Document Information [Line Items]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 31, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Trading Symbol	ESGR
Entity Registrant Name	Enstar Group LTD
Entity Central Index Key	0001363829
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	Yes
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding			13,903,380	2,725,637
Entity Public Float		$ 1.17

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Segment Information - Summary of Operations by Segment (Detail) (USD $)	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Net premiums earned													$ 239,807,000	$ 3,511,000	$ 3,543,000
Fees and commission income	5,012,000	2,398,000	2,960,000	2,447,000	2,657,000	1,944,000	1,775,000	2,194,000	10,154,000	1,623,000	2,045,000	4,036,000	12,817,000	8,570,000	17,858,000
Net investment income	23,071,000	25,009,000	27,252,000	17,963,000	16,765,000	19,658,000	20,894,000	20,443,000	15,571,000	18,498,000	19,059,000	15,548,000	93,295,000	77,760,000	68,676,000
Net realized and unrealized gains (losses)	31,440,000	37,010,000	(27,919,000)	30,120,000	18,259,000	28,280,000	1,691,000	25,382,000	2,231,000	(8,512,000)	9,133,000	6,362,000	70,651,000	73,612,000	9,214,000
Gain on bargain purchase												13,105,000			13,105,000
Total income	133,399,000	123,091,000	77,889,000	82,191,000	38,500,000	50,704,000	25,256,000	48,993,000	29,036,000	12,801,000	31,508,000	39,051,000	416,570,000	163,453,000	112,396,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off													74,139,000
Losses incurred - active underwriting													19,352,000
Reduction in estimates of net ultimate losses	(134,068,000)	(27,850,000)	(48,500,000)	(5,062,000)	(97,895,000)	(58,506,000)	(58,417,000)	(3,298,000)	(173,924,000)	(43,615,000)	(28,079,000)	(2,612,000)	(215,480,000)	(218,116,000)	(248,230,000)
Increase (reduction) in provisions for bad debt	7,464,000	(5,465,000)			(329,000)		(527,000)	(2,255,000)	(38,751,000)	(2,399,000)	(1,672,000)		1,999,000	(3,111,000)	(42,822,000)
Reduction in provisions for unallocated loss adjustment expense liabilities	(111,000)	(16,320,000)	(16,795,000)	(16,403,000)	(2,206,000)	(12,579,000)	(11,661,000)	(12,852,000)	(7,669,000)	(14,113,000)	(11,783,000)	(11,537,000)	(49,629,000)	(39,298,000)	(45,102,000)
Amortization of fair value adjustments	(3,540,000)	5,025,000	2,369,000	2,093,000	4,207,000	8,538,000	2,240,000	7,587,000	16,782,000	8,865,000	6,969,000	10,077,000	5,947,000	22,572,000	42,693,000
Total net reduction in ultimate losses and loss adjustment expense liabilities	(125,056,000)	(20,374,000)	(27,403,000)	9,161,000	(96,223,000)	(62,547,000)	(68,365,000)	(10,818,000)	(203,562,000)	(51,262,000)	(34,565,000)	(4,072,000)	(163,672,000)	(237,953,000)	(293,461,000)
Life and annuity policy benefits	20,970,000	31,081,000	25,562,000	741,000	(2,992,000)	822,000	896,000	974,000	(2,304,000)	2,340,000	1,521,000		78,354,000	(300,000)	1,557,000
Acquisition costs	5,050,000	6,149,000	9,613,000	2,387,000									23,199,000
Salaries and benefits	45,603,000	29,716,000	25,687,000	23,610,000	30,505,000	25,138,000	24,379,000	20,451,000	41,818,000	20,923,000	16,723,000	10,382,000	124,616,000	100,473,000	89,846,000
General and administrative expenses	19,538,000	29,126,000	20,002,000	17,946,000	13,169,000	14,409,000	14,156,000	14,858,000	5,090,000	20,759,000	28,211,000	17,750,000	86,612,000	56,592,000	71,810,000
Interest expense	3,593,000	3,270,000	3,091,000	2,435,000	2,540,000	1,713,000	2,062,000	2,111,000	2,431,000	2,435,000	1,697,000	1,966,000	12,389,000	8,426,000	8,529,000
Net foreign exchange (gains) losses	(375,000)	(673,000)	(8,403,000)	5,082,000	(2,212,000)	977,000	(627,000)	2,268,000	(15,000)	(8,878,000)	1,932,000	7,334,000	(4,369,000)	406,000	373,000
Total Expenses	(22,677,000)	78,295,000	48,149,000	61,362,000	(55,213,000)	(19,488,000)	(27,499,000)	29,844,000	(156,542,000)	(13,683,000)	15,519,000	33,360,000	157,129,000	(72,356,000)	(121,346,000)
EARNINGS BEFORE INCOME TAXES	164,076,000	44,796,000	29,740,000	20,829,000	93,713,000	70,192,000	52,755,000	19,149,000	185,578,000	26,484,000	15,989,000	5,691,000	259,441,000	235,809,000	233,742,000
INCOME TAXES	(21,893,000)	(1,340,000)	(4,542,000)	(7,844,000)	(13,943,000)	(14,700,000)	(11,905,000)	(3,742,000)	(19,256,000)	(4,436,000)	(975,000)	(617,000)	(35,619,000)	(44,290,000)	(25,284,000)
NET EARNINGS	142,183,000	43,456,000	25,198,000	12,985,000	79,770,000	55,492,000	40,850,000	15,407,000	166,322,000	22,048,000	15,014,000	5,074,000	223,822,000	191,519,000	208,458,000
Less: Net earnings attributable to noncontrolling interest	(4,722,000)	(3,469,000)	(6,001,000)	(1,026,000)	(9,864,000)	(7,776,000)	(129,000)	(5,733,000)	(37,571,000)	(9,984,000)	(5,639,000)	(1,571,000)	(15,218,000)	(23,502,000)	(54,765,000)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	137,461,000	39,987,000	19,197,000	11,959,000	69,906,000	47,716,000	40,721,000	9,674,000	128,751,000	12,064,000	9,375,000	3,503,000	208,604,000	168,017,000	153,693,000
Operating Segments [Member] | Non-Life Run-Off [Member]
Segment Reporting Information [Line Items]
Net premiums earned													112,611,000
Fees and commission income													12,785,000	9,283,000	17,858,000
Net investment income													64,048,000	76,813,000	66,556,000
Net realized and unrealized gains (losses)													79,368,000	71,730,000	8,553,000
Gain on bargain purchase
Total income													268,812,000	157,826,000	92,967,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off													74,139,000
Losses incurred - active underwriting
Reduction in estimates of net ultimate losses													(215,480,000)	(218,116,000)	(248,230,000)
Increase (reduction) in provisions for bad debt													1,999,000	(3,111,000)	(42,822,000)
Reduction in provisions for unallocated loss adjustment expense liabilities													(49,580,000)	(39,298,000)	(45,102,000)
Amortization of fair value adjustments													5,947,000	22,572,000	42,693,000
Total net reduction in ultimate losses and loss adjustment expense liabilities													(182,975,000)	(237,953,000)	(293,461,000)
Life and annuity policy benefits
Acquisition costs													14,379,000
Salaries and benefits													117,141,000	99,342,000	89,440,000
General and administrative expenses													67,979,000	55,731,000	70,841,000
Interest expense													12,057,000	8,426,000	8,529,000
Net foreign exchange (gains) losses													(5,909,000)	644,000	1,190,000
Total Expenses													22,672,000	(73,810,000)	(123,461,000)
EARNINGS BEFORE INCOME TAXES													246,140,000	231,636,000	216,428,000
INCOME TAXES													(34,191,000)	(44,266,000)	(25,311,000)
NET EARNINGS													211,949,000	187,370,000	191,117,000
Less: Net earnings attributable to noncontrolling interest													(12,076,000)	(23,502,000)	(54,765,000)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED													199,873,000	163,868,000	136,352,000
Operating Segments [Member] | Life and Annuity [Member]
Segment Reporting Information [Line Items]
Net premiums earned													94,984,000	3,511,000	3,543,000
Fees and commission income
Net investment income													30,182,000	947,000	2,120,000
Net realized and unrealized gains (losses)													(9,259,000)	1,882,000	661,000
Gain on bargain purchase															13,105,000
Total income													115,907,000	6,340,000	19,429,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off
Losses incurred - active underwriting
Reduction in estimates of net ultimate losses
Increase (reduction) in provisions for bad debt
Reduction in provisions for unallocated loss adjustment expense liabilities
Amortization of fair value adjustments
Total net reduction in ultimate losses and loss adjustment expense liabilities
Life and annuity policy benefits													78,354,000	(300,000)	1,557,000
Acquisition costs													8,820,000
Salaries and benefits													4,799,000	1,131,000	406,000
General and administrative expenses													16,039,000	1,574,000	969,000
Interest expense													1,456,000
Net foreign exchange (gains) losses													158,000	(238,000)	(817,000)
Total Expenses													109,626,000	2,167,000	2,115,000
EARNINGS BEFORE INCOME TAXES													6,281,000	4,173,000	17,314,000
INCOME TAXES													(1,243,000)	(24,000)	27,000
NET EARNINGS													5,038,000	4,149,000	17,341,000
Less: Net earnings attributable to noncontrolling interest
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED													5,038,000	4,149,000	17,341,000
Operating Segments [Member] | Active Underwriting [Member]
Segment Reporting Information [Line Items]
Net premiums earned													32,212,000
Fees and commission income													2,708,000
Net investment income													521,000
Net realized and unrealized gains (losses)													542,000
Total income													35,983,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off
Losses incurred - active underwriting													19,352,000
Reduction in estimates of net ultimate losses
Increase (reduction) in provisions for bad debt
Reduction in provisions for unallocated loss adjustment expense liabilities													(49,000)
Amortization of fair value adjustments
Total net reduction in ultimate losses and loss adjustment expense liabilities													19,303,000
Life and annuity policy benefits
Acquisition costs
Salaries and benefits													2,676,000
General and administrative expenses													5,270,000
Interest expense													332,000
Net foreign exchange (gains) losses													1,382,000
Total Expenses													28,963,000
EARNINGS BEFORE INCOME TAXES													7,020,000
INCOME TAXES													(185,000)
NET EARNINGS													6,835,000
Less: Net earnings attributable to noncontrolling interest													(3,142,000)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED													3,693,000
Eliminations [Member]
Segment Reporting Information [Line Items]
Net premiums earned
Fees and commission income													(2,676,000)	(713,000)
Net investment income													(1,456,000)
Net realized and unrealized gains (losses)
Total income													(4,132,000)	(713,000)
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off
Losses incurred - active underwriting
Reduction in estimates of net ultimate losses
Increase (reduction) in provisions for bad debt
Reduction in provisions for unallocated loss adjustment expense liabilities
Amortization of fair value adjustments
Total net reduction in ultimate losses and loss adjustment expense liabilities
Life and annuity policy benefits
Acquisition costs
Salaries and benefits
General and administrative expenses													(2,676,000)	(713,000)
Interest expense													(1,456,000)
Net foreign exchange (gains) losses
Total Expenses													(4,132,000)	(713,000)
EARNINGS BEFORE INCOME TAXES
INCOME TAXES
NET EARNINGS
Less: Net earnings attributable to noncontrolling interest
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED

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Retrospectively Rated Contracts

12 Months Ended

Dec. 31, 2013

Insurance [Abstract]

Retrospectively Rated Contracts

11.    RETROSPECTIVELY RATED CONTRACTS

On October 1, 2003, SeaBright began selling workers’ compensation insurance policies for which the premiums varied based on loss experience. Accrued retrospective premiums are determined based upon the loss experience of business subject to such experience rating adjustment, and are determined by and allocated to individual policyholder accounts. Accrued retrospective premiums are recorded as additions to written or earned premium, and return retrospective premiums are recorded as reductions from written or earned premium. During the period from February 7, 2013, the date of acquisition, to December 31, 2013, none of the Company’s direct premiums written related to retrospectively rated contracts. The Company has recorded $8.8 million for retrospective premiums receivable and $27.5 million for return retrospective premiums payable as at December 31, 2013.

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Derivative Instruments - Estimated Fair Value and Realized Gains (Losses) on Derivative Instruments (Detail) (Forward Contracts [Member]) In Thousands, unless otherwise specified	12 Months Ended									12 Months Ended				12 Months Ended						12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2012 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2011 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2012 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2011 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2011 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2011 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2012 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2011 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2012 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2011 Foreign Exchange Forward Contract [Member] AUD	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2012 Foreign Exchange Forward Contract [Member] USD ($)	Dec. 31, 2013 Foreign Exchange Forward Contract [Member] GBP (£)	Dec. 31, 2012 Foreign Exchange Forward Contract [Member] GBP (£)
Derivative [Line Items]
Net Foreign Exchange Gains (Losses)	$ 1,475	$ (1,261)	$ 1,091	$ 779	$ (238)					$ (630)	$ 3,008			$ 303		$ (1,917)				$ 1,023	$ (1,023)
Settlement Date				Jan. 03, 2014	May 10, 2013	Dec. 02, 2011				Jan. 03, 2014	Dec. 02, 2011			May 10, 2013	Dec. 19, 2012	Jun. 30, 2011				Mar. 06, 2013	Mar. 06, 2013
Fair Value	149	(1,261)		779	(238)					(630)											(1,023)
Contract Date				Nov. 26, 2013	Feb. 08, 2012	Aug. 23, 2011				Jul. 01, 2013	Sep. 22, 2011			Feb. 08, 2012	Feb. 08, 2012	Oct. 12, 2010				Mar. 06, 2012	Mar. 06, 2012
Contract Amount and Settlement Amount				$ 41,036	$ 36,099	$ 36,981	45,000	35,000	35,000	$ 40,887	$ 33,973	45,000	35,000	$ 36,099	$ 26,165	$ 42,476	45,000	25,000	45,000	$ 26,611	$ 26,611	£ 17,000	£ 17,000

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Policy Benefits for Life and Annuity Contracts - Schedule of Life and Annuity Benefits (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Insurance [Abstract]
Life	$ 380,874	$ 11,027
Annuities	963,323
Policy benefits for life and annuity contracts	1,344,197	11,027
Fair value adjustments	(71,097)
Policy benefits for life and annuity contracts	$ 1,273,100	$ 11,027

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Consolidated Statements of Earnings (USD $)	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INCOME
Net premiums earned													$ 239,807,000	$ 3,511,000	$ 3,543,000
Fees and commission income	5,012,000	2,398,000	2,960,000	2,447,000	2,657,000	1,944,000	1,775,000	2,194,000	10,154,000	1,623,000	2,045,000	4,036,000	12,817,000	8,570,000	17,858,000
Net investment income	23,071,000	25,009,000	27,252,000	17,963,000	16,765,000	19,658,000	20,894,000	20,443,000	15,571,000	18,498,000	19,059,000	15,548,000	93,295,000	77,760,000	68,676,000
Net realized and unrealized gains	31,440,000	37,010,000	(27,919,000)	30,120,000	18,259,000	28,280,000	1,691,000	25,382,000	2,231,000	(8,512,000)	9,133,000	6,362,000	70,651,000	73,612,000	9,214,000
Gain on bargain purchase												13,105,000			13,105,000
Total income	133,399,000	123,091,000	77,889,000	82,191,000	38,500,000	50,704,000	25,256,000	48,993,000	29,036,000	12,801,000	31,508,000	39,051,000	416,570,000	163,453,000	112,396,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off													74,139,000
Losses incurred - active underwriting													19,352,000
Reduction in estimates of net ultimate losses	(134,068,000)	(27,850,000)	(48,500,000)	(5,062,000)	(97,895,000)	(58,506,000)	(58,417,000)	(3,298,000)	(173,924,000)	(43,615,000)	(28,079,000)	(2,612,000)	(215,480,000)	(218,116,000)	(248,230,000)
Increase (reduction) in provisions for bad debt	7,464,000	(5,465,000)			(329,000)		(527,000)	(2,255,000)	(38,751,000)	(2,399,000)	(1,672,000)		1,999,000	(3,111,000)	(42,822,000)
Reduction in provisions for unallocated loss adjustment expense liabilities	(111,000)	(16,320,000)	(16,795,000)	(16,403,000)	(2,206,000)	(12,579,000)	(11,661,000)	(12,852,000)	(7,669,000)	(14,113,000)	(11,783,000)	(11,537,000)	(49,629,000)	(39,298,000)	(45,102,000)
Amortization of fair value adjustments	(3,540,000)	5,025,000	2,369,000	2,093,000	4,207,000	8,538,000	2,240,000	7,587,000	16,782,000	8,865,000	6,969,000	10,077,000	5,947,000	22,572,000	42,693,000
Total net reduction in ultimate losses and loss adjustment expense liabilities	(125,056,000)	(20,374,000)	(27,403,000)	9,161,000	(96,223,000)	(62,547,000)	(68,365,000)	(10,818,000)	(203,562,000)	(51,262,000)	(34,565,000)	(4,072,000)	(163,672,000)	(237,953,000)	(293,461,000)
Life and annuity policy benefits	20,970,000	31,081,000	25,562,000	741,000	(2,992,000)	822,000	896,000	974,000	(2,304,000)	2,340,000	1,521,000		78,354,000	(300,000)	1,557,000
Acquisition costs	5,050,000	6,149,000	9,613,000	2,387,000									23,199,000
Salaries and benefits	45,603,000	29,716,000	25,687,000	23,610,000	30,505,000	25,138,000	24,379,000	20,451,000	41,818,000	20,923,000	16,723,000	10,382,000	124,616,000	100,473,000	89,846,000
General and administrative expenses	19,538,000	29,126,000	20,002,000	17,946,000	13,169,000	14,409,000	14,156,000	14,858,000	5,090,000	20,759,000	28,211,000	17,750,000	86,612,000	56,592,000	71,810,000
Interest expense	3,593,000	3,270,000	3,091,000	2,435,000	2,540,000	1,713,000	2,062,000	2,111,000	2,431,000	2,435,000	1,697,000	1,966,000	12,389,000	8,426,000	8,529,000
Net foreign exchange (gains) losses	(375,000)	(673,000)	(8,403,000)	5,082,000	(2,212,000)	977,000	(627,000)	2,268,000	(15,000)	(8,878,000)	1,932,000	7,334,000	(4,369,000)	406,000	373,000
Total expenses	(22,677,000)	78,295,000	48,149,000	61,362,000	(55,213,000)	(19,488,000)	(27,499,000)	29,844,000	(156,542,000)	(13,683,000)	15,519,000	33,360,000	157,129,000	(72,356,000)	(121,346,000)
EARNINGS BEFORE INCOME TAXES	164,076,000	44,796,000	29,740,000	20,829,000	93,713,000	70,192,000	52,755,000	19,149,000	185,578,000	26,484,000	15,989,000	5,691,000	259,441,000	235,809,000	233,742,000
INCOME TAXES	(21,893,000)	(1,340,000)	(4,542,000)	(7,844,000)	(13,943,000)	(14,700,000)	(11,905,000)	(3,742,000)	(19,256,000)	(4,436,000)	(975,000)	(617,000)	(35,619,000)	(44,290,000)	(25,284,000)
NET EARNINGS	142,183,000	43,456,000	25,198,000	12,985,000	79,770,000	55,492,000	40,850,000	15,407,000	166,322,000	22,048,000	15,014,000	5,074,000	223,822,000	191,519,000	208,458,000
Less: Net earnings attributable to noncontrolling interest	(4,722,000)	(3,469,000)	(6,001,000)	(1,026,000)	(9,864,000)	(7,776,000)	(129,000)	(5,733,000)	(37,571,000)	(9,984,000)	(5,639,000)	(1,571,000)	(15,218,000)	(23,502,000)	(54,765,000)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	137,461,000	39,987,000	19,197,000	11,959,000	69,906,000	47,716,000	40,721,000	9,674,000	128,751,000	12,064,000	9,375,000	3,503,000	208,604,000	168,017,000	153,693,000
EARNINGS PER SHARE - BASIC
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$ 8.32	$ 2.42	$ 1.16	$ 0.72	$ 4.25	$ 2.90	$ 2.48	$ 0.59	$ 8.89	$ 0.85	$ 0.67	$ 0.27	$ 12.62	$ 10.22	$ 11.03
EARNINGS PER SHARE - DILUTED
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$ 8.23	$ 2.39	$ 1.15	$ 0.72	$ 4.22	$ 2.86	$ 2.44	$ 0.58	$ 8.71	$ 0.83	$ 0.66	$ 0.26	$ 12.49	$ 10.10	$ 10.81
Weighted average ordinary shares outstanding - basic													16,523,369	16,441,461	13,930,221
Weighted average ordinary shares outstanding - diluted													16,703,442	16,638,021	14,212,440
Non-Life Run-Off [Member]
INCOME
Net premiums earned	12,341,000	28,134,000	41,216,000	30,920,000									112,611,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off	(14,153,000)	24,236,000	35,523,000	28,533,000									74,139,000
Life and Annuity [Member]
INCOME
Net premiums earned	29,323,000	30,540,000	34,380,000	741,000	819,000	822,000	896,000	974,000	1,080,000	1,192,000	1,271,000		94,984,000	3,511,000	3,543,000
Active Underwriting [Member]
INCOME
Net premiums earned	32,212,000												32,212,000
Net reduction in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned - non-life run-off													(19,303,000)
Losses incurred - active underwriting	19,352,000												19,352,000
Reduction in estimates of net ultimate losses													19,352,000
Reduction in provisions for unallocated loss adjustment expense liabilities													(49,000)
Total net reduction in ultimate losses and loss adjustment expense liabilities													$ 19,303,000

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Investments

12 Months Ended

Dec. 31, 2013

Investments Debt And Equity Securities [Abstract]

Investments

5. INVESTMENTS

Trading

The estimated fair values of the Company’s investments in fixed maturity securities, short-term investments and equities classified as trading securities were as follows:

	December 31, 2013		December 31, 2012
U.S. government and agency	$	439,946	$	361,906
Non-U.S. government		476,224		265,722
Corporate		2,123,675		1,598,876
Municipal		41,034		20,446
Residential mortgage-backed		218,457		115,594
Commercial mortgage-backed		114,637		130,848
Asset-backed		248,748		78,929
Total fixed maturity and short-term investments		3,662,721		2,572,321
Equities — U.S.		115,285		92,406
Equities — International		66,748		22,182
	$	3,844,754	$	2,686,909

Included within residential and commercial mortgage-backed securities as at December 31, 2013 were securities issued by U.S. governmental agencies with a fair value of $177.9 million (as at December 31, 2012: $68.4 million within residential and commercial mortgage-backed securities).

The following tables set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities and short-term investments classified as trading:

As at December 31, 2013	Fair Value		% of Total Fair Value
AAA	$	502,057		13.7	%
AA		1,430,107		39.1	%
A		1,191,142		32.5	%
BBB or lower		461,614		12.6	%
Not Rated		77,801		2.1	%
	$	3,662,721		100.0	%

As at December 31, 2012	Fair Value		% of Total Fair Value
AAA	$	418,297		16.3	%
AA		958,267		37.2	%
A		812,428		31.6	%
BBB or lower		376,347		14.6	%
Not Rated		6,982		0.3	%
	$	2,572,321		100.0	%

Held-to-maturity

The Company holds a portfolio of held-to-maturity securities to support the Pavonia annuity business. The amortized cost and estimated fair values of the Company’s fixed maturity securities classified as held-to-maturity were as follows:

As at December 31, 2013	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	19,992	$	6	$	(1,866	)	$	18,132
Non-U.S. government		23,592		19		(1,284	)		22,327
Corporate		815,803		105		(56,808	)		759,100
	$	859,387	$	130	$	(59,958	)	$	799,559

As at December 31, 2013, none of these securities were considered to be other-than-temporarily impaired.

As at December 31, 2012, the Company had no investments classified as held-to-maturity.

The contractual maturities of the Company’s fixed maturity securities classified as held-to-maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	17,541	$	17,579		2.2	%
Due after one year through five years		87,698		86,611		10.8	%
Due after five years through ten years		133,102		126,541		15.8	%
Due after ten years		621,046		568,828		71.2	%
	$	859,387	$	799,559		100.0	%

The following table set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities classified as held-to-maturity:

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	47,949	$	44,552		5.6	%
AA		259,163		239,188		29.9	%
A		496,986		463,001		57.9	%
BBB or lower		54,759		52,282		6.5	%
Not Rated		530		536		0.1	%
	$	859,387	$	799,559		100.0	%

Available-for-sale

The amortized cost and estimated fair values of the Company’s fixed maturity securities and short-term investments classified as available-for-sale were as follows:

As at December 31, 2013	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	28,050	$	303	$	(10	)	$	28,343
Non-U.S. government		84,443		1,871		(22	)		86,292
Corporate		76,942		1,221		(259	)		77,904
Residential mortgage-backed		17,523		102		(118	)		17,507
Asset-backed		36,344		4		(30	)		36,318
	$	243,302	$	3,501	$	(439	)	$	246,364

As at December 31, 2012	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	4,503	$	454	$	—		$	4,957
Non-U.S. government		120,634		3,373		(151	)		123,856
Corporate		115,139		2,379		(524	)		116,994
Residential mortgage-backed		4,308		230		(40	)		4,498
Commercial mortgage-backed		474		7		—			481
Asset-backed		338		9		(12	)		335
	$	245,396	$	6,452	$	(727	)	$	251,121

Included within residential mortgage-backed securities as at December 31, 2013 were securities issued by U.S. governmental agencies with a fair value of $12.5 million (as at December 31, 2012: $3.5 million within residential and commercial mortgage-backed securities).

The following tables summarize the Company’s fixed maturity securities and short-term investments classified as available-for-sale in an unrealized loss position as well as the aggregate fair value and gross unrealized loss by length of time the securities have continuously been in an unrealized loss position:

	12 Months or Greater				Less Than 12 Months					Total
As at December 31, 2013	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
U.S. government and agency	$	—	$	—	$	11,416	$	(10	)	$	11,416	$	(10	)
Non-U.S. government		—		—		20,406		(22	)		20,406		(22	)
Corporate		—		—		51,478		(259	)		51,478		(259	)
Residential mortgage-backed		—		—		13,632		(118	)		13,632		(118	)
Asset-backed		—		—		24,898		(30	)		24,898		(30	)
	$	—		—	$	121,830	$	(439	)	$	121,830	$	(439	)

	12 Months or Greater					Less Than 12 Months					Total
As at December 31, 2012	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-U.S. government	$	2,646	$	(82	)	$	2,399	$	(69	)	$	5,045	$	(151	)
Corporate		13,936		(86	)		8,689		(438	)		22,625		(524	)
Residential mortgage-backed		1,124		(40	)		—		—			1,124		(40	)
Asset-backed		174		(12	)		—		—			174		(12	)
	$	17,880	$	(220	)	$	11,088	$	(507	)	$	28,968	$	(727	)

As at December 31, 2013 and 2012, the number of securities classified as available-for-sale in an unrealized loss position was 135 and 30, respectively, with a fair value of $121.8 million and $29.0 million, respectively. The increase in the number of these securities was due primarily to investment portfolios acquired in connection with acquisitions completed during 2013. Of these securities, the number of securities that had been in an unrealized loss position for twelve months or longer was 2 and 23, respectively. As of December 31, 2013, none of these securities were considered to be other than temporarily impaired.

The contractual maturities of the Company’s fixed maturity securities and short-term investments classified as available-for-sale are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	45,295	$	45,596		18.5	%
Due after one year through five years		141,400		143,445		58.2	%
Due after five years through ten years		69		70		0.1	%
Due after ten years		2,671		3,428		1.4	%
		189,435		192,539		78.2	%
Residential mortgage-backed		17,523		17,507		7.1	%
Asset-backed		36,344		36,318		14.7	%
	$	243,302	$	246,364		100.0	%

As at December 31, 2012	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	173,113	$	173,949		69.3	%
Due after one year through five years		64,089		68,298		27.2	%
Due after ten years		3,074		3,560		1.4	%
		240,276		245,807		97.9	%
Residential mortgage-backed		4,308		4,498		1.8	%
Commercial mortgage-backed		474		481		0.2	%
Asset-backed		338		335		0.1	%
	$	245,396	$	251,121		100.0	%

The following tables set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities and short-term investments classified as available-for-sale:

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	125,729	$	127,433		51.7	%
AA		74,692		75,181		30.5	%
A		33,834		34,607		14.1	%
BBB or lower		8,957		8,963		3.6	%
Not Rated		90		180		0.1	%
	$	243,302	$	246,364		100.0	%

As at December 31, 2012	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	107,615	$	110,829		44.1	%
AA		59,535		60,742		24.2	%
A		72,773		73,935		29.4	%
BBB or lower		5,281		5,197		2.1	%
Not Rated		192		418		0.2	%
	$	245,396	$	251,121		100.0	%

Other-Than-Temporary Impairment Process

The Company assesses whether declines in the fair value of its fixed maturity investments classified as available-for-sale and held-to-maturity represent impairment losses that are other-than-temporary and whether a credit loss exists in accordance with its accounting policies. In assessing whether it is more likely than not that the Company will be required to sell a fixed maturity investment before its anticipated recovery, the Company considers various factors including its future cash flow requirements, legal and regulatory requirements, the level of its cash, cash equivalents, short-term investments and fixed maturity investments available-for-sale in an unrealized gain position, and other relevant factors. For the year ended December 31, 2013, the Company did not recognize any other-than-temporary impairment losses due to required sales. The Company determined that, as at December 31, 2013, no credit losses existed.

Other Investments

The estimated fair values of the Company’s other investments were as follows:

	December 31, 2013		December 31, 2012
Private equity funds	$	161,229	$	127,696
Fixed income funds		194,375		156,235
Fixed income hedge funds		68,157		53,933
Equity funds		109,355		55,881
Real estate debt fund		32,113		16,179
Other		4,064		4,921
	$	569,293	$	414,845

Private equity funds

This class comprises several private equity funds that invest primarily in the financial services industry. All of the Company’s investments in private equity funds are subject to restrictions on redemptions and sales that are determined by the governing documents and limit the Company’s ability to liquidate those investments. These restrictions have been in place since the dates the initial investments were made by the Company.

As of December 31, 2013 and December 31, 2012, the Company had $161.2 million and $127.7 million, respectively, of other investments recorded in private equity funds, which represented 2.5% and 3.0% of total investments, cash and cash equivalents and restricted cash and cash equivalents at December 31, 2013 and December 31, 2012, respectively. Due to a lag in the valuations reported by the managers, the Company records changes in the investment value with up to a three-month lag. Management regularly reviews and discusses fund performance with their fund managers to corroborate the reasonableness of the reported net asset values and to assess whether any events have occurred within the lag period that would affect the valuation of the investments.

Fixed income funds

This class comprises a number of positions in diversified fixed income funds that are managed by third party managers. Underlying investments vary from high grade corporate bonds to non-investment grade senior secured loans and bonds, but are generally invested in liquid fixed income markets. These funds have regularly published prices. The funds have liquidity terms that vary from daily to monthly.

Fixed income hedge funds

This class comprises hedge funds that invest in a diversified portfolio of debt securities. The hedge funds are not currently eligible for redemption due to imposed lock-up periods of three years from the time of the Company’s initial investment. Once eligible, redemptions will be permitted quarterly with 90 days’ notice. The earliest date at which the funds will be eligible for redemption is March 2014.

Equity funds

This class comprises equity funds that invest in a diversified portfolio of international publicly-traded equity securities.

Real estate debt fund

This class comprises a real estate debt fund that invests primarily in U.S. commercial real estate loans and securities. A redemption request for this fund can be made 10 days after the date of any monthly valuation; the fund states that it will make commercially reasonable efforts to redeem the investment within the next monthly period.

Other

This class primarily comprises a fund that provides loans to educational institutions throughout the U.S. and its territories. Through these investments, the Company participates in the performance of the underlying loan pools. This investment matures when the loans are paid down and cannot be redeemed before maturity.

Redemption restrictions on other investments

Certain funds included in other investments are subject to a lock-up period. A lock-up period refers to the initial amount of time an investor is contractually required to invest before having the ability to redeem the investment. Funds that do provide for periodic redemptions may, depending on the funds’ governing documents, have the ability to deny or delay a redemption request, which is called a “gate.” The fund may restrict redemptions because the aggregate amount of redemption requests as of a particular date exceeds a specified level. The gate is a method for executing an orderly redemption process that allows for redemption requests to be executed in a timely manner to reduce the possibility of adversely affecting the remaining investors in the fund. Typically, the imposition of a gate delays a portion of the requested redemption, with the remaining portion to be settled in cash sometime after the redemption date.

Certain funds included in other investments may be allowed to invest a portion of their assets in illiquid securities, such as private equity or convertible debt. In such cases, a common mechanism used is a “side-pocket,” whereby the illiquid security is assigned to a separate memorandum capital account or designated account. Typically, the investor loses its redemption rights in the designated account. Only when the illiquid security is sold, or is otherwise deemed liquid by the fund, may investors redeem their interest in the side-pocket.

At December 31, 2013, the Company had $3.2 million of investments subject to side-pockets ($nil as of December 31, 2012). Management has not made any adjustments to the fair value estimate reported by the fund managers for the side-pocketed investments.

The following tables present the fair value, unfunded commitments and redemption frequency for all other investments. These investments are all valued at net asset value as at December 31, 2013 and December 31, 2012:

December 31, 2013	Total Fair Value		Gated/Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
Private equity funds	$	161,229	$	—	$	161,229	$	113,585	Not eligible
Fixed income funds		194,375		—		194,375		—	Daily to monthly
Fixed income hedge funds		68,157		3,150		65,007		—	Quarterly after lock-up periods expire
Equity funds		109,355		—		109,355		—	Bi-monthly
Real estate debt fund		32,113		—		32,113		—	Monthly
Other		4,064		—		4,064		655	Not eligible
	$	569,293	$	3,150	$	566,143	$	114,240
December 31, 2012	Total Fair Value		Gated/Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
Private equity funds	$	127,696	$	—	$	127,696	$	86,936	Not eligible
Fixed income funds		156,235		—		156,235		—	Daily to monthly
Fixed income hedge funds		53,933		—		53,933		—	Quarterly after lock-up periods expire
Equity fund		55,881		—		55,881		—	Bi-monthly
Real estate debt fund		16,179		—		16,179		—	Monthly
Other		4,921		—		4,921		655	Not eligible
	$	414,845	$	—	$	414,845	$	87,591

Fair Value of Financial Instruments

Fair value is defined as the price at which to sell an asset or transfer a liability (i.e. the “exit price”) in an orderly transaction between market participants. The Company uses a fair value hierarchy that gives the highest priority to quoted prices in active markets and the lowest priority to unobservable data. The hierarchy is broken down into three levels as follows:

• Level 1 — Valuations based on unadjusted quoted prices in active markets for identical assets or liabilities that the Company has the ability to access. Valuation adjustments and block discounts are not applied to Level 1 instruments.

• Level 2 — Valuations based on quoted prices in active markets for similar assets or liabilities, quoted prices for identical assets or liabilities in inactive markets, or for which significant inputs are observable (e.g. interest rates, yield curves, prepayment speeds, default rates, loss severities, etc.) or can be corroborated by observable market data.

• Level 3 — Valuations based on inputs that are unobservable and significant to the overall fair value measurement. The unobservable inputs reflect the Company’s own judgment about assumptions that market participants might use.

The following is a summary of valuation techniques or models the Company uses to measure fair value by asset and liability classes.

Fixed Maturity Investments

The Company’s fixed maturity portfolio is managed by the Company’s Chief Investment Officer and outside investment advisors with oversight from the Company’s Investment Committee. Fair values for all securities in the fixed maturities portfolio are independently provided by the investment custodians, investment accounting service providers and investment managers, each of which utilize internationally recognized independent pricing services. Interactive Data Corporation is, however, the main pricing service utilized to estimate the fair value measurements for the Company’s fixed maturity investments. The Company records the unadjusted price provided by the investment custodians, investment accounting service providers or the investment managers and validates this price through a process that includes, but is not limited to: (i) comparison of prices against alternative pricing sources; (ii) quantitative analysis (e.g. comparing the quarterly return for each managed portfolio to its target benchmark); (iii) evaluation of methodologies used by external parties to estimate fair value, including a review of the inputs used for pricing; and (iv) comparing the price to the Company’s knowledge of the current investment market. The Company’s internal price validation procedures and review of fair value methodology documentation provided by independent pricing services have not historically resulted in adjustment in the prices obtained from the pricing service.

The independent pricing services used by the investment custodians, investment accounting service providers and investment managers obtain actual transaction prices for securities that have quoted prices in active markets. For determining the fair value of securities that are not actively traded, in general, pricing services use “matrix pricing” in which the independent pricing service uses observable market inputs including, but not limited to, reported trades, benchmark yields, broker-dealer quotes, interest rates, prepayment speeds, default rates and such other inputs as are available from market sources to determine a reasonable fair value. In addition, pricing services use valuation models, using observable data, such as an Option Adjusted Spread model, to develop prepayment and interest rate scenarios. The Option Adjusted Spread model is commonly used to estimate fair value for securities such as mortgage-backed and asset-backed securities.

The following describes the techniques generally used to determine the fair value of the Company’s fixed maturity investments by asset class.

• U.S. government and agency securities consist of securities issued by the U.S. Treasury and mortgage pass-through agencies such as the Federal National Mortgage Association, the Federal Home Loan Mortgage Corporation and other agencies. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades and broker-dealer quotes. These are considered to be observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Non-U.S. government securities consist of bonds issued by non-U.S. governments and agencies along with supranational organizations. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades and broker-dealer quotes. These are considered to be observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Corporate securities consist primarily of investment-grade debt of a wide variety of corporate issuers and industries. The fair values of these securities are determined using the spread above the risk-free yield curve, reported trades, broker-dealer quotes, benchmark yields, and industry and market indicators. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2. Where pricing is unavailable from pricing services, the Company obtains non-binding quotes from broker-dealers. This is generally the case when there is a low volume of trading activity and current transactions are not orderly. In this event, securities are classified within Level 3. As at December 31, 2013, the Company had one corporate security classified as Level 3.

• Municipal securities consist primarily of bonds issued by U.S.-domiciled state and municipal entities. The fair values of these securities are determined using the spread above the risk-free yield curve, reported trades, broker-dealer quotes and benchmark yields. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Asset-backed securities consist primarily of investment-grade bonds backed by pools of loans with a variety of underlying collateral. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades, benchmark yields, broker-dealer quotes, prepayment speeds and default rates. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2.

• Residential and commercial mortgage-backed securities include both agency and non-agency originated securities. The significant inputs used to determine the fair value of these securities include the spread above the risk-free yield curve, reported trades, benchmark yields, broker-dealer quotes, prepayment speeds and default rates. These are considered observable market inputs and, therefore, the fair values of these securities are classified within Level 2. Where pricing is unavailable from pricing services, the Company obtains non-binding quotes from broker-dealers. This is generally the case when there is a low volume of trading activity and current transactions are not orderly. In this event, securities are classified within Level 3. As at December 31, 2013, the Company had no residential or commercial mortgage-backed securities classified as Level 3.

Equities

The Company’s equities are predominantly traded on the major exchanges and are primarily managed by two external advisors. The Company uses Interactive Data Corporation, an internationally recognized pricing service, to estimate the fair value for all of its equities. The Company’s equities are widely diversified and there is no significant concentration in any specific industry.

The Company has categorized all of its investments in equities as Level 1 investments because the fair values of these investments are based on quoted prices in active markets for identical assets or liabilities. Because their fair value estimates are based on observable market data, the Company has categorized its investments in preferred stock as Level 2, with the exception of one investment in preferred stock that has been categorized as Level 3.

Other investments

The Company has ongoing due diligence processes with respect to funds in which it invests and their managers. These processes are designed to assist the Company in assessing the quality of information provided by, or on behalf of, each fund and in determining whether such information continues to be reliable or whether further review is warranted. Certain funds do not provide full transparency of their underlying holdings; however, the Company obtains the audited financial statements for funds annually, and regularly reviews and discusses the fund performance with the fund managers to corroborate the reasonableness of the reported net asset values. The use of net asset value as an estimate of the fair value for investments in certain entities that calculate net asset value is a permitted practical expedient. While reported net asset value is the primary input to the review, when the net asset value is deemed not to be indicative of fair value, the Company may incorporate adjustments to the reported net asset value (and not use the permitted practical expedient) on an investment by investment basis. These adjustments may involve significant management judgment. As at December 31, 2013, there were no significant adjustments made to the reported net asset value.

For its investments in private equity funds, the Company measures fair value by obtaining the most recently provided capital statement from the external fund manager or third-party administrator. The funds calculate net asset value on a fair value basis. For all publicly-traded companies within these funds, the Company adjusts the reported net asset value based on the latest share price as of the Company’s reporting date. The Company has classified its investments in private equity funds as Level 3.

The fixed income funds and equity funds in which the Company invests have been classified as Level 2 investments because their fair value is estimated using the published net asset value and because the fixed income funds and equity funds are highly liquid.

For its investments in fixed income hedge funds, the Company measures fair value by obtaining the most recently published net asset value as advised by the external fund manager or third-party administrator. The investments in the funds are classified as Level 3.

The real estate debt fund in which the Company invests has been valued based on the most recent published net asset value. This investment has been classified as Level 3.

The Company’s remaining other investments are valued based on the latest available capital statements and have been classified as Level 3.

Fair Value Measurements

In accordance with the provisions of the Fair Value Measurement and Disclosure topic of the FASB Accounting Standards Codification (“ASC”) 820, the Company has categorized its investments that are recorded at fair value among levels as follows:

	December 31, 2013
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	468,289	$	—	$	468,289
Non-U.S. government		—		562,516		—		562,516
Corporate		—		2,200,970		609		2,201,579
Municipal		—		41,034		—		41,034
Residential mortgage-backed		—		235,964		—		235,964
Commercial mortgage-backed		—		114,637		—		114,637
Asset-backed		—		285,066		—		285,066
Equities — U.S.		97,470		13,090		4,725		115,285
Equities — International		35,677		31,071		—		66,748
Other investments		—		303,724		265,569		569,293
Total investments	$	133,147	$	4,256,361	$	270,903	$	4,660,411

	December 31, 2012
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	366,863	$	—	$	366,863
Non-U.S. government		—		389,578		—		389,578
Corporate		—		1,715,330		540		1,715,870
Municipal		—		20,446		—		20,446
Residential mortgage-backed		—		120,092		—		120,092
Commercial mortgage-backed		—		131,329		—		131,329
Asset-backed		—		79,264		—		79,264
Equities — U.S.		83,947		5,058		3,401		92,406
Equities — International		10,377		11,805		—		22,182
Other investments		—		212,115		202,730		414,845
Total investments	$	94,324	$	3,051,880	$	206,671	$	3,352,875

The following table presents the Company’s fair value hierarchy for those assets classified as held-to-maturity in the consolidated balance sheet but for which disclosure of the fair value is required as of December 31, 2013 (there were no assets classified as held-to-maturity as of December 31, 2012):

	December 31, 2013
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	18,132	$	—	$	18,132
Non-U.S. government		—		22,327		—		22,327
Corporate		—		759,100		—		759,100
Total investments	$	—	$	799,559	$	—	$	799,559

During 2013 and 2012, the Company had no transfers between Levels 1 and 2.

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the twelve months ended December 31, 2013:

	Fixed Maturity Investments		Other Investments			Equity Securities		Total
Level 3 investments as of January 1, 2013	$	540	$	202,730		$	3,401	$	206,671
Purchases		—		44,032			—		44,032
Sales		—		(28,568	)		—		(28,568	)
Total realized and unrealized gains through earnings		69		47,375			1,324		48,768
Net transfers into and/or (out of) Level 3		—		—			—		—
Level 3 investments as of December 31, 2013	$	609	$	265,569		$	4,725	$	270,903

The amount of net gains (losses) for the twelve months ended December 31, 2013 included in earnings attributable to the fair value of changes in assets still held at December 31, 2013 was $48.8 million. All of this amount was included in net realized and unrealized gains.

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the year ended December 31, 2012:

	Fixed Maturity Investments		Other Investments			Equity Securities		Total
Level 3 investments as of January 1, 2012	$	519	$	137,727		$	2,975	$	141,221
Purchases		—		63,732			—		63,732
Sales		—		(16,839	)		—		(16,839	)
Total realized and unrealized gains through earnings		21		18,110			426		18,557
Net transfers into and/or (out of) Level 3		—		—			—		—
Level 3 investments as of December 31, 2012	$	540	$	202,730		$	3,401	$	206,671

The amount of net gains (losses) for the twelve months ended December 31, 2012 included in earnings attributable to the fair value of changes in assets still held at December 31, 2012 was $18.6 million. All of this amount was included in net realized and unrealized gains.

Net Realized and Unrealized Gains

Components of net realized and unrealized gains (losses) for the years ended December 31, 2013, 2012 and 2011 were as follows:

	2013			2012			2011
Gross realized gains on available-for-sale securities	$	705		$	5,850		$	808
Gross realized losses on available-for-sale securities		(214	)		(727	)		(471	)
Net realized gains on trading securities		13,488			13,569			3,738
Net unrealized (losses) gains on trading securities		(13,791	)		23,541			3,945
Net realized and unrealized gains on other investments		70,463			31,379			1,194
Net realized and unrealized gains	$	70,651		$	73,612		$	9,214
Proceeds from sales and maturities of available-for-sale securities	$	196,507		$	353,913		$	445,052

Net Investment Income

Major categories of net investment income for the years ended December 31, 2013, 2012 and 2011 are summarized as follows:

	2013			2012			2011
Interest from fixed maturity investments	$	123,555		$	78,767		$	70,753
Interest from cash and cash equivalents and short-term investments		13,705			14,924			13,232
Net amortization of bond premiums and discounts		(51,505	)		(28,758	)		(25,245	)
Dividends from equities		4,923			2,961			1,786
Other investments		652			661			734
Interest on other receivables		2,001			6,887			6,572
Other income		2,999			5,229			3,118
Interest on deposits held with clients		3,650			1,368			1,188
Investment expenses		(6,685	)		(4,279	)		(3,462	)
	$	93,295		$	77,760		$	68,676

Restricted Assets

The Company is required to maintain investments and cash and cash equivalents on deposit with various regulatory authorities to support its insurance and reinsurance operations. The investments and cash and cash equivalents on deposit are available to settle insurance and reinsurance liabilities. The Company also utilizes trust accounts to collateralize business with its insurance and reinsurance counterparties. These trust accounts generally take the place of letter of credit requirements. The assets in trusts as collateral are primarily highly rated fixed maturity securities. The carrying value of the Company’s restricted assets, including restricted cash of $397.7 million and $300.0 million, as of December 31, 2013 and December 31, 2012 was as follows:

	December 31 2013		December 31, 2012
Collateral in trust for third party agreements	$	2,002,374	$	570,391
Assets on deposit with regulatory authorities		608,940		212,012
Collateral for secured letter of credit facility		310,938		246,608
	$	2,922,252	$	1,029,011

The increase of approximately $1.89 billion in restricted assets related primarily to restricted assets acquired in connection with the Company’s acquisitions of SeaBright, Pavonia, Arden and Atrium.

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Significant New Business

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Significant New Business

4. SIGNIFICANT NEW BUSINESS

2014

Shelbourne RITC Transactions

The Company, through its wholly-owned U.K.-based subsidiary, Shelbourne Group Limited (“Shelbourne”), invests in reinsurance to close contract (“RITC”) transactions (the transferring of liabilities from one Lloyd’s syndicate to another) with Lloyd’s of London insurance and reinsurance syndicates in run-off. Shelbourne was originally formed in December 2007 in conjunction with other investors. Shelbourne owns 100% of Shelbourne Syndicate Services Limited, the Managing Agency for Lloyd’s Syndicate 2008 (“S2008”), a syndicate approved by Lloyd’s of London on December 16, 2007 to undertake RITC transactions with Lloyd’s syndicates in run-off.

Effective January 1, 2014, S2008 entered into an RITC transaction with another Lloyd’s syndicate in respect of its 2011 and prior underwriting years of account, under which S2008 assumed net insurance reserves of approximately £15.3 million (approximately $25.3 million) for consideration of an approximately equal amount.

Reciprocal of America

On July 6, 2012, PWIC entered into a definitive loss portfolio transfer reinsurance agreement with Reciprocal of America (in Receivership) and its Deputy Receiver relating to a portfolio of workers’ compensation business. The estimated total liabilities to be assumed are approximately $169.0 million, with an equivalent amount of assets to be received as consideration. Completion of the transaction is conditioned upon, among other things, regulatory approvals and satisfaction of customary closing conditions. The transaction is expected to close in the second quarter of 2014.

2013

Shelbourne RITC Transactions

Effective January 1, 2013, Lloyd’s Syndicate 2008 entered into a RITC of the 2009 underwriting year of account of another Lloyd’s syndicate and a 100% quota share reinsurance agreement with a further Lloyd’s syndicate in respect of its 2010 underwriting year of account, under which S2008 assumed total gross insurance reserves of approximately £33.8 million (approximately $51.4 million) for consideration of an equal amount.

American Physicians

On April 26, 2013, the Company, through its wholly-owned subsidiary, Providence Washington Insurance Company (“PWIC”), completed the assignment and assumption of a portfolio of workers’ compensation business from American Physicians Assurance Corporation and APSpecialty Insurance Company (collectively “APS”). Total assets and liabilities assumed were approximately $35.3 million.

2012

Claremont

On August 6 and December 17, 2012, the Company, through Fitzwilliam, entered into novation agreements with Claremont and two of Claremont’s reinsurers with respect to their existing quota share contracts. Under the novation agreements, Fitzwilliam replaced the reinsurers on the quota share contracts in exchange for total assets and liabilities of approximately $38.0 million.

Zurich Danish Portfolio

On June 30, 2012, the Company, through the Danish branch of its wholly-owned subsidiary, Marlon Insurance Company Limited (“Marlon”), acquired, by way of loss portfolio transfer under Danish law, a portfolio of reinsurance and professional disability business from the Danish branch of Zurich Insurance Company (“Zurich”). Marlon received total assets and assumed liabilities of approximately $60.0 million.

Shelbourne RITC Transactions

On January 1, 2012, S2008 transferred the assets and liabilities relating to its 2009 and prior underwriting years of account into its 2010 underwriting year of account by means of an RITC transaction. Following the transfer, the existing noncontrolling interest held by its other investors ceased, resulting in the Company now providing 100% of the underwriting capacity for S2008.

Effective December 31, 2012, S2008 entered into a 100% quota share reinsurance agreement with another Lloyd’s syndicate in respect of its 2009 and prior years of account (the “2009 Liabilities”), under which S2008 assumed total gross insurance reserves of approximately £193.0 million (approximately $313.3 million) for consideration of an equal amount. Effective January 1, 2014, the 2012 Lloyd’s underwriting year of account of S2008 entered into a partial RITC transaction with respect to the 2009 liabilities.

2011

Insurance Australia Group

On September 20, 2011, the Company, through its wholly-owned subsidiary, Gordian Run-off Limited (“Gordian”), acquired an inwards reinsurance portfolio from Insurance Australia Group Limited via an Australian Federal Court approved scheme. Gordian received total assets and assumed total net reinsurance liabilities of approximately 9.7 million Australian dollars (approximately $10.0 million).

Claremont

On September 1, 2011, the Company, through Fitzwilliam, entered into a novation agreement with Claremont and certain of its reinsurers with respect to three specific quota share contracts. Under the novation agreement, Fitzwilliam replaced those companies as reinsurer of Claremont on the quota share contracts, assuming liabilities of $22.5 million and receiving assets of an equal amount.

Shelbourne RITC Transactions

In February 2011, S2008 entered into RITC agreements with two Lloyd’s syndicates assuming total gross insurance reserves of approximately $129.6 million for consideration of an equal amount.

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Earnings Per Share

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Earnings Per Share

16.    EARNINGS PER SHARE

The following table sets forth the comparison of basic and diluted earnings per share for the years ended December 31, 2013, 2012 and 2011:

	2013		2012		2011
Basic earnings per ordinary share:
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693
Weighted average ordinary shares outstanding — basic		16,523,369		16,441,461		13,930,221
Net earnings per ordinary share attributable to Enstar Group Limited — basic	$	12.62	$	10.22	$	11.03
Diluted earnings per ordinary share:
Net earnings attributable to Enstar Group Limited	$	208,604	$	168,017	$	153,693
Weighted average ordinary shares outstanding — basic		16,523,369		16,441,461		13,930,221
Share equivalents:
Unvested shares		117,850		162,454		196,670
Restricted share units		18,056		19,478		69,723
Warrants		44,167		—		—
Options		—		14,628		15,826
Weighted average ordinary shares outstanding — diluted		16,703,442		16,638,021		14,212,440
Net earnings per ordinary share attributable to Enstar Group Limited — diluted	$	12.49	$	10.10	$	10.81

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Goodwill and Intangible Assets

12 Months Ended

Dec. 31, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

12.    GOODWILL AND INTANGIBLE ASSETS

The following tables show the Company’s goodwill and intangible assets as at December 31, 2013 and 2012:

2013	Goodwill		Intangible assets with a definite life-Other		Intangible assets with an indefinite life		Total		Intangible assets with a definite life-FVA
Balance as at January 1, 2013	$	21,222	$	—	$	—	$	21,222	$	211,507
Acquired during the year		38,848		27,000		63,000		128,848		33,623
Intangible assets amortization		—		—		—		—		(21,183	)
Balance as at December 31, 2013	$	60,070	$	27,000	$	63,000	$	150,070	$	223,947
2012	Goodwill		Intangible assets with a definite life-Other		Intangible assets with an indefinite life		Total		Intangible assets with a definite life-FVA
Balance as at January 1, 2012	$	21,222	$	—	$	—	$	21,222	$	243,904
Acquired during the year		—		—		—		—		(9,825	)
Intangible assets amortization		—		—		—		—		(22,572	)
Balance as at December 31, 2012	$	21,222	$	—	$	—	$	21,222	$	211,507

Intangible assets with a definite life include:

(i) Fair value adjustments (“FVA”) relate to outstanding losses and loss adjustment expenses, policy benefits for life and annuity contracts and reinsurance recoverables and are included as a component of each balance sheet line item. FVA are amortized in proportion to future premiums for policy benefits for life and annuity contracts and over the estimated payout or recovery period for outstanding losses and loss adjustment expenses and reinsurance recoverables; and

(ii) Other intangible assets relate to the values associated with the distribution channel and brand related to the Company’s acquisition of Atrium. These assets will be amortized on a straight-line basis a over a period of ten to fifteen years.

Intangible asset amortization during the years ended December 31, 2013, 2012 and 2011 totaled $21.2 million, $22.6 million and $42.7 million, respectively

The gross carrying value, accumulated amortization and net carrying value of intangible assets by type at December 31, 2013 and 2012 were as follows:

	2013									2012
	Gross Carrying Value			Accumulated Amortization			Net Carrying Value			Gross Carrying Value			Accumulated Amortization			Net Carrying Value
Intangible assets with a definite life:
Fair value adjustments:
Losses and loss adjustment expense	$	500,485		$	(282,178	)	$	218,307		$	552,455		$	(255,943	)	$	296,512
Reinsurance balances recoverable		(179,116	)		113,659			(65,457	)		(178,377	)		93,372			(85,005	)
Policy benefits for life and annuity contracts		86,332			(15,235	)		71,097			—			—			—
Total		407,701			(183,754	)		223,947			374,078			(162,571	)		211,507
Other::
Distribution channel		20,000			—			20,000			—			—			—
Brand		7,000			—			7,000			—			—			—
Total		27,000			—			27,000			—			—			—
Total intangible assets with a definite life		434,701			(183,754	)		250,947			374,078			(162,571	)		211,507
Intangible assets with an indefinite life:
Lloyd’s syndicate capacity		32,900			—			32,900			—			—			—
Management contract		30,100			—			30,100			—			—			—
Total intangible assets	$	497,701		$	(183,754	)	$	313,947		$	374,078		$	(162,571	)	$	211,507

At December 31, 2013 the allocation of the goodwill to the Company’s non-life run-off and active underwriting segments was $21.2 million and $38.8 million, respectively, as compared to $21.2 million and $nil as at December 31, 2012.

The estimated amortization expense for each of the five succeeding fiscal years related to the Company’s intangible assets with a definite life for each segment is as follows:

Year	Non-life Run-off		Active Underwriting			Life and Annuities		Total
2014	$	23,485	$	(5,693	)	$	9,271	$	27,063
2015		19,246		(5,626	)		8,249		21,869
2016		16,376		(3,384	)		7,373		20,365
2017		14,569		(1,779	)		6,862		19,652
2018		12,940		(573	)		6,132		18,499
Total	$	86,616	$	(17,055	)	$	37,887	$	107,448

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Losses and Loss Adjustment Expenses - Losses and Loss Adjustment Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Effects of Reinsurance [Line Items]
Outstanding	$ 2,621,760	$ 2,358,329
Incurred but not reported	1,816,453	1,588,310
Fair value adjustment	(218,308)	(296,512)
Losses and loss adjustment expenses	4,219,905	3,650,127
Non-Life Run-Off [Member]
Effects of Reinsurance [Line Items]
Outstanding	2,541,934	2,358,329
Incurred but not reported	1,717,870	1,588,310
Fair value adjustment	(255,291)	(296,512)
Losses and loss adjustment expenses	4,004,513	3,650,127
Active Underwriting [Member]
Effects of Reinsurance [Line Items]
Outstanding	79,826
Incurred but not reported	98,583
Fair value adjustment	36,983
Losses and loss adjustment expenses	$ 215,392

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Losses and Loss Adjustment Expenses

12 Months Ended

Dec. 31, 2013

Insurance [Abstract]

Losses and Loss Adjustment Expenses

8.    LOSSES AND LOSS ADJUSTMENT EXPENSES

	2013								2012
	Non-life Run-off			Active Underwriting		Total			Non-life Run-off			Active Underwriting		Total
Outstanding	$	2,541,934		$	79,826	$	2,621,760		$	2,358,329		$	—	$	2,358,329
Incurred but not reported		1,717,870			98,583		1,816,453			1,588,310			—		1,588,310
Fair value adjustment		(255,291	)		36,983		(218,308	)		(296,512	)		—		(296,512	)
	$	4,004,513		$	215,392	$	4,219,905		$	3,650,127		$	—	$	3,650,127

The liability for losses and loss adjustment expenses includes an amount determined from reported claims and amount based on historical loss experience and industry statistics for losses incurred but not reported using a variety of actuarial methods. The Company’s loss reserves cover multiple lines of business, which include workers compensation, general casualty, asbestos and environmental, marine, aviation and transit, construction defects and other non-life lines of business.

The reserves for unpaid reported losses and loss adjustment expenses for Atrium are established by management based on reports from brokers, ceding companies and insureds and represents the estimated ultimate cost of events or conditions that have been reported to, or specifically identified by the Company. The reserve for incurred but not reported losses and loss expenses is established by management based on actuarially determined estimates of ultimate losses and loss expenses. Inherent in the estimate of ultimate losses and loss expenses are expected trends in claim severity and frequency and other factors which may vary significantly as claims are settled. Accordingly, ultimate losses and loss expenses may differ materially from the amounts recorded in the consolidated financial statements. These estimates are reviewed regularly and, as experience develops and new information becomes known, the reserves are adjusted as necessary. Such adjustments, if any, will be recorded in earnings in the period in which they become known. Prior period development arises from changes to loss estimates recognized in the current year that relate to loss reserves established in previous calendar years.

In establishing the reserves for losses and loss adjustment expenses related to asbestos and environmental claims, management considers facts currently known and the current state of the law and coverage litigation. Liabilities are recognized for known claims (including the cost of related litigation) when sufficient information has been developed to indicate the involvement of a specific insurance policy, and management can reasonably estimate its liability. In addition, reserves have been established to cover additional exposures on both known and unreported claims. Estimates of the reserves are reviewed and updated continually. Developed case law and adequate claim history do not exist for such claims, especially because significant uncertainty exists about the outcome of coverage litigation and whether past claim experience will be representative of future claim experience.

In view of the changes in the legal and tort environment that affect the development of such claims, the uncertainties inherent in valuing asbestos and environmental claims are not likely to be resolved in the near future. Ultimate values for such claims cannot be estimated using traditional reserving techniques and there are significant uncertainties in estimating the amount of the Company’s potential losses for these claims.

There can be no assurance that the reserves established by the Company will be adequate or will not be adversely affected by the development of other latent exposures. The Company’s liability for unpaid losses and loss adjustment expenses as of December 31, 2013 and 2012 included $467.7 million and $557.6 million, respectively, that represented an estimate of its net ultimate liability for asbestos and environmental claims. The gross liability for such claims as at December 31, 2013 and 2012 was $524.1 million and $628.7 million, respectively.

The tables below provide a reconciliation of the beginning and ending reserves for losses and loss adjustment expenses for the years ended December 31, 2013, 2012 and 2011, split between the non-life run-off segment and the active underwriting segment, was as follows (losses incurred and paid are reflected net of reinsurance recoverables):

Non-Life Run-off Segment

	Non-Life Run-off
	2013			2012			2011
Balance as at January 1(1)	$	3,650,127		$	4,272,082		$	3,291,275
Less: total reinsurance reserves recoverable		876,220			1,383,003			525,440
		2,773,907			2,889,079			2,765,835
Net increase (reduction) in ultimate losses and loss adjustment expense liabilities:
Current period		74,139			—			—
Prior periods		(257,114	)		(237,953	)		(293,461	)
Total net reduction in ultimate losses and loss adjustment expense liabilities		(182,975	)		(237,953	)		(293,461	)
Net losses paid:
Current period		(10,656	)		—			—
Prior periods		(360,214	)		(314,528	)		(288,175	)
Total net losses paid		(370,870	)		(314,528	)		(288,175	)
Effect of exchange rate movement		4,936			14,833			(7,987	)
Acquired on purchase of subsidiaries		557,476			—			600,046
Assumed business		100,506			422,476			112,821
Net balance as at December 31		2,882,980			2,773,907			2,889,079
Plus: total reinsurance reserves recoverable		1,121,533			876,220			1,383,003
Balance as at December 31	$	4,004,513		$	3,650,127		$	4,272,082

(1) The Company reclassified $11.0 million of reserves acquired on the purchase of subsidiaries previously recorded in 2011 to policy benefits for life and annuity contracts. In addition, the Company has reclassified outstanding losses and loss adjustment expenses of $11.0 million and $10.8 million to policy benefits for life and annuity contracts as at January 1, 2013 and 2012, respectively, to conform to the current period presentation. These amounts are associated with Laguna, which now forms part of the Company’s life and annuities segment that was established following the acquisition of the Pavonia companies.

The net reduction (increase) in ultimate losses and loss adjustment expense liabilities for the years ended December 31, 2013, 2012 and 2011 was as follows:

	Non-Life Run-off
	Years Ended December 31,
	2013								2012			2011
	Prior Period			Current Period		Total			Prior Period			Prior Period
Net losses paid	$	360,214		$	10,656	$	370,870		$	314,528		$	288,175
Net change in case and LAE reserves		(310,488	)		29,555		(280,933	)		(265,222	)		(311,614	)
Net change in IBNR reserves		(265,206	)		33,928		(231,278	)		(267,422	)		(224,791	)
(Reduction) increase in estimates of net ultimate losses		(215,480	)		74,139		(141,341	)		(218,116	)		(248,230	)
Increase (reduction) in provisions for bad debt		1,999			—		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—		(49,580	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			—		5,947			22,572			42,693
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities	$	(257,114	)	$	74,139	$	(182,975	)	$	(237,953	)	$	(293,461	)

(1) For the years ended December 31, 2012 and 2011, the Company had no premium income and therefore no current period activity.

Net reduction (increase) in case and loss adjustment expense reserves (“LAE reserves”) comprises the movement during the year in specific case reserve liabilities as a result of claims settlements or changes advised to the Company by its policyholders and attorneys, less changes in case reserves recoverable advised by the Company to its reinsurers as a result of the settlement or movement of assumed claims. Net reduction in IBNR represents the change in the Company’s actuarial estimates of losses incurred but not reported.

Year Ended December 31, 2013

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2013 of $183.0 million included current period incurred losses of $74.1 million related to SeaBright. Excluding SeaBright’s current period incurred losses of $74.1 million, ultimate losses and loss adjustment expenses relating to prior periods were reduced by $257.1 million, which was attributable to a reduction in estimates of net ultimate losses of $215.5 million and a reduction in provisions for unallocated loss adjustment expense liabilities of $49.6 million, relating to 2013 run-off activity, partially offset by an increase in provisions for bad debt of $2.0 million and amortization of fair value adjustments over the estimated payout period relating to companies acquired amounting to $5.9 million.

The reduction in estimates of net ultimate losses relating to prior periods of $215.5 million comprised reductions in IBNR reserves of $265.2 million partially offset by net incurred loss development of $49.7 million. The decrease in the aggregate estimate of net IBNR reserves of $265.2 million (compared to $267.4 million during the year ended December 31, 2012), was comprised of $69.8 million relating to asbestos liabilities (compared to $36.4 million in 2012), $4.9 million relating to environmental liabilities (compared to $2.6 million in 2012), $42.6 million relating to general casualty liabilities (compared to $96.3 million in 2012), $42.1 million relating to workers compensation liabilities (compared to $52.7 million in 2012) and $105.8 million relating to all other remaining liabilities (compared to $79.4 million in 2012).

The aggregate reduction in net IBNR reserves of $265.2 million, relating to prior periods, was a result of the application, on a basis consistent with the assumptions applied in the prior period, of our actuarial methodologies to revised historical loss development data, following 108 commutations and policy buy-backs, to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2013, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts. The net incurred loss development resulting from settlement of net advised case and LAE reserves of $310.5 million for net paid losses of $360.2 million, related to the settlement of non-commuted losses in the year and 108 commutations and policy buy-backs of assumed and ceded exposures (including the commutation of one of our top ten assumed exposures and one of our top ten ceded recoverables as at January 1, 2013). Net advised case and LAE reserves settled by way of commutation and policy buy-back during the year ended December 31, 2013 amounted to $29.8 million (comprising $97.3 million of assumed case reserves and LAE reserves partially offset by $67.5 million of ceded incurred reinsurance recoverable case reserves).

The increase in aggregate provisions for bad debt of $2.0 million was a result of additional provisions being allowed in the quarter for contractual disputes with reinsurers, offset by cash collections and commutations on certain reinsurance receivables against which bad debt provisions had been provided in earlier periods.

Year Ended December 31, 2012

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2012 of $238.0 million was attributable to a reduction in estimates of net ultimate losses of $218.1 million, a reduction in aggregate provisions for bad debt of $3.1 million and a reduction in estimates of unallocated loss adjustment expense liabilities of $39.3 million, relating to 2012 run-off activity, partially offset by the amortization, over the estimated payout period, of fair value adjustments relating to companies acquired amounting to $22.6 million.

The reduction in estimates of net ultimate losses of $218.1 million comprised net incurred loss development of $49.3 million and reductions in net IBNR reserves of $267.4 million. During the three months ended December 31, 2012, one of the Company’s insurance entities, following an exposure-based review of all advised claims, allocated $52.4 million of net IBNR reserves to specific net case and LAE reserves. Excluding this allocation, net incurred loss development for the year ended December 31, 2012 was a favorable $3.1 million and reductions in net IBNR reserves amounted to $215.0 million. The decrease in the aggregate estimate of net IBNR reserves of $215.0 million, excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves (compared to $224.8 million during the year ended December 31, 2011), was comprised of $36.4 million relating to asbestos liabilities (compared to $57.9 million in 2011), $2.6 million relating to environmental liabilities (compared to $2.8 million in 2011), $96.3 million relating to general casualty liabilities (compared to $91.6 million in 2011), and $79.7 million relating to all other remaining liabilities (compared to $72.5 million in 2011).

The aggregate reduction in net IBNR reserves of $215.0 million was a result of the application, on a basis consistent with the assumptions applied in the prior period, of the Company’s actuarial methodologies to revised historical loss development data, following 101 commutations, to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2012, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts. The net incurred favorable loss development, excluding the allocation by one of the Company’s insurance entities of $52.4 million from net IBNR reserves to specific net case and LAE reserves, of $3.1 million, resulting from settlement of net advised case and LAE reserves of $317.6 million for net paid losses of $314.5 million, related to the settlement of non-commuted losses in the year and 101 commutations of assumed and ceded exposures. Net incurred liabilities settled by way of commutation during the year ended December 31, 2012 amounted to $26.6 million (comprising $163.1 million of assumed incurred liabilities partially offset by $136.5 million of ceded incurred reinsurance recoverables) compared to the net aggregate reduction in advised case reserves during the same period of $317.6 million (excluding the allocation of $52.4 million from net IBNR reserves to specific net case and LAE reserves).

The reduction in aggregate provisions for bad debt of $3.1 million was a result of the collection of certain reinsurance recoverables against which bad debt provisions had been provided in earlier periods.

Year Ended December 31, 2011

The net reduction in ultimate losses and loss adjustment expense liabilities for the year ended December 31, 2011 of $293.5 million was attributable to a reduction in estimates of net ultimate losses of $248.2 million, a reduction in aggregate provisions for bad debt of $42.8 million and a reduction in estimates of unallocated loss adjustment expense liabilities of $45.1 million, relating to 2011 run-off activity, partially offset by the amortization, over the estimated payout period, of fair value adjustments relating to companies acquired amounting to $42.7 million.

The reduction in estimates of net ultimate losses of $241.2 million comprised net incurred favorable loss development of $23.4 million and reductions in net IBNR reserves of $224.8 million. The decrease in the aggregate estimate of net IBNR reserves of $224.8 million was comprised of $57.9 million relating to asbestos liabilities, $2.8 million relating to environmental liabilities and $164.1 million relating to all other remaining liabilities. The aggregate reduction in net IBNR reserves of $224.8 million was a result of the application, on a basis consistent with the assumptions applied in the prior period, of the Company’s actuarial methodologies to revised historical loss development data, following 113 commutations (including three commutations completed shortly after December 31, 2011), to estimate loss reserves required to cover liabilities for unpaid losses and loss adjustment expenses relating to non-commuted exposures. The prior period estimate of aggregate net IBNR reserves was reduced as a result of the combined impact on all classes of business of loss development activity during 2011, including commutations and the favorable trend of loss development related to non-commuted policies compared to prior forecasts.

The net incurred favorable loss development of $23.4 million, resulting from settlement of net advised case and LAE reserves of $311.6 million for net paid losses of $288.2 million, related to the settlement of non-commuted losses in the year and approximately 110 commutations of assumed and ceded exposures, excluding the three commutations completed subsequent to December 31, 2011. Net incurred liabilities settled by way of commutation during the year ended December 31, 2011 (excluding the three commutations completed subsequent to December 31, 2011) amounted to $71.5 million compared to the net reduction in advised case reserves during the same period of $311.6 million.

The reduction in aggregate provisions for bad debt of $42.8 million was a result of the collection, primarily during the three months ended December 31, 2011, of certain reinsurance recoverables against which bad debt provisions had been provided in earlier periods.

Active Underwriting Segment

	2013
	Active Underwriting
Balance as of January 1	$	—
Less: total reinsurance reserves recoverable		—
		—
Acquired on purchase of subsidiaries		200,374
Net increase in ultimate losses and loss adjustment expenses incurred:
Current period		19,303
Net losses paid:
Current period		(30,626	)
Effect of exchange rate movement		1,286
Net balance as of December 31		190,337
Plus: total reinsurance reserves recoverable		25,055
Balance as at December 31	$	215,392

The net increase in ultimate losses and loss adjustment expense liabilities for the active underwriting segment for the year ended December 31, 2013 was as follows:

	Year Ended December 31, 2013
	Prior Period		Current Period			Total
Net losses paid	$	—	$	30,626		$	30,626
Net change in case and LAE reserves		—		(9,621	)		(9,621	)
Net change in IBNR reserves		—		(1,653	)		(1,653	)
Increase in estimates of net ultimate losses		—		19,352			19,352
Reduction in provisions for unallocated loss adjustment expense liabilities		—		(49	)		(49	)
Net increase in ultimate losses and loss adjustment expense liabilities	$	—	$	19,303		$	19,303

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Acquisitions - Pro Forma Condensed Combined Statement of Earnings (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total income	$ 571,882	$ 725,962
Total expenses	(337,701)	(422,234)
Noncontrolling interest	(22,388)	(71,473)
Net earnings	211,793	232,255
Net earnings per ordinary share - basic	$ 12.82	$ 14.13
Net earnings per ordinary share - diluted	$ 12.68	$ 13.96
Weighted average ordinary shares outstanding - basic	16,523,369,000	16,441,461,000
Weighted average ordinary shares outstanding - diluted	16,703,442,000	16,638,021,000
Enstar Group Limited [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total income	416,570	163,453
Total expenses	(192,748)	28,066
Noncontrolling interest	(15,218)	(23,502)
Net earnings	208,604	168,017
Net earnings per ordinary share - basic
Net earnings per ordinary share - diluted
Weighted average ordinary shares outstanding - basic
Weighted average ordinary shares outstanding - diluted
Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total income	91,126	82,343
Total expenses	(68,545)	(52,277)
Noncontrolling interest
Net earnings	22,581	30,066
Net earnings per ordinary share - basic
Net earnings per ordinary share - diluted
Weighted average ordinary shares outstanding - basic
Weighted average ordinary shares outstanding - diluted
Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total income	15,911	199,939
Total expenses	(18,783)	(108,185)
Noncontrolling interest
Net earnings	(2,872)	91,754
Net earnings per ordinary share - basic
Net earnings per ordinary share - diluted
Weighted average ordinary shares outstanding - basic
Weighted average ordinary shares outstanding - diluted
Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total income	48,275	280,227
Total expenses	(48,094)	(267,983)
Noncontrolling interest
Net earnings	181	12,244
Net earnings per ordinary share - basic
Net earnings per ordinary share - diluted
Weighted average ordinary shares outstanding - basic
Weighted average ordinary shares outstanding - diluted
Pro forma Adjustments [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total income
Total expenses	(9,531)	(21,855)
Noncontrolling interest	(7,170)	(47,971)
Net earnings	(16,701)	(69,826)
Net earnings per ordinary share - basic
Net earnings per ordinary share - diluted
Weighted average ordinary shares outstanding - basic
Weighted average ordinary shares outstanding - diluted
Pro forma Adjustments [Member] | Atrium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(4,671)	(5,250)
Pro forma Adjustments [Member] | Arden [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	(1,329)	(2,181)
Pro forma Adjustments [Member] | Pavonia [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Total expenses	$ (3,531)	$ (14,424)

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Employee Benefits - Pension Plan - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Pension expense	$ 6,023,000	$ 4,240,000	$ 4,864,000
PWAC Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Pension expense	700,000	800,000	600,000
Unfunded liability	$ 7,800,000	$ 13,900,000

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Derivative Instruments

12 Months Ended

Dec. 31, 2013

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivative Instruments

6.    DERIVATIVE INSTRUMENTS

The Company uses foreign currency forward contracts as part of its overall foreign currency risk management strategy or to obtain exposure to a particular financial market, as well as for yield enhancement. These derivatives were not designated as hedging investments.

The following table sets forth the estimated fair value of derivative instruments recorded within other assets on the condensed consolidated balance sheet as at December 31, 2013 and 2012, and realized gains (losses) on derivative instruments recorded in net earnings for the years ended December 31, 2013, 2012 and 2011:

Foreign Exchange Forward Contract	Contract Date		Settlement Date		Contract Amount		Settlement Amount		Fair Value as at December 31,			Net Foreign Exchange Gains  (Losses)
2013
Australian dollar		November 26, 2013		January 3, 2014		AU$45,000		$41,036	$	779		$	779
U.S. dollar		July 1, 2013		January 3, 2014		$40,887		AU$45,000		(630	)		(630	)
Australian dollar		February 8, 2012		May 10, 2013		AU$45,000		$36,099		—			303
British pound		March 6, 2012		March 6, 2013		UKP17,000		$26,611		—			1,023
									$	149		$	1,475
2012
Australian dollar		February 8, 2012		May 10, 2013		AU$35,000		$36,099	$	(238	)	$	(238	)
British pound		March 6, 2012		March 6, 2013		UKP17,000		$26,611		(1,023	)		(1,023	)
Australian dollar		February 8, 2012		December 19, 2012		AU$25,000		$26,165		—			—
									$	(1,261	)	$	(1,261	)
2011
U.S. dollar		September 22, 2011		December 2, 2011		$33,973		AU$35,000	$	—		$	3,008
Australian dollar		August 23, 2011		December 2, 2011		AU$35,000		$36,981		—			—
Australian dollar		October 12, 2010		June 30, 2011		AU$45,000		$42,476		—			(1,917	)
									$	—		$	1,091

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Reinsurance Balances Recoverable

12 Months Ended

Dec. 31, 2013

Insurance [Abstract]

Reinsurance Balances Recoverable

7.    REINSURANCE BALANCES RECOVERABLE

	2013										2012
	Non-life Run-off			Active Underwriting		Life		Total			Non-life Run-off			Active Underwriting		Life		Total
Recoverable from reinsurers on:
Outstanding losses	$	788,705		$	10,777	$	28,556	$	828,038		$	665,303		$	—	$	—	$	665,303
Losses incurred but not reported		402,675			9,887		782		413,344			295,922			—		—		295,922
Fair value adjustments		(69,847	)		4,391		—		(65,456	)		(85,005	)		—		—		(85,005	)
Total reinsurance reserves recoverable		1,121,533			25,055		29,338		1,175,926			876,220			—		—		876,220
Paid losses recoverable		177,459			7,845		2,589		187,893			246,408			—		291		246,699
	$	1,298,992		$	32,900	$	31,927	$	1,363,819		$	1,122,628		$	—	$	291	$	1,122,919

Non-life Run-off and Active Underwriting

The Company’s acquired insurance and reinsurance subsidiaries, prior to acquisition, used retrocessional agreements to reduce their exposure to the risk of insurance and reinsurance assumed. The Company’s insurance and reinsurance subsidiaries remain liable to the extent that retrocessionaires do not meet their obligations under these agreements, and therefore, the Company evaluates and monitors concentration of credit risk among its reinsurers. Provisions are made for amounts considered potentially uncollectible.

On an annual basis, Atrium purchases a tailored outwards reinsurance program designed to manage S609’s risk profile. In addition, Atrium maintains a quota share reinsurance agreement with Arden. The majority of Atrium’s total third party reinsurance cover is with Lloyd’s syndicates or other reinsurers rated A- or better.

The fair value adjustments, determined on acquisition of insurance and reinsurance subsidiaries, are based on the estimated timing of loss and loss adjustment expense recoveries and an assumed interest rate equivalent to a risk free rate for securities with similar duration to the reinsurance recoverables acquired plus a spread to reflect credit risk, and are amortized over the estimated recovery period, as adjusted for accelerations in timing of payments as a result of commutation settlements.

As of December 31, 2013 and 2012, the Company had, excluding reinsurance recoverables related to its life and annuities, reinsurance balances recoverable of $1.33 billion and $1.12 billion, respectively. The increase of $208.9 million in reinsurance balances recoverable was primarily a result of the completion of acquisitions in the year ended December 31, 2013 partially offset by commutations and cash collections made during the year.

At December 31, 2013 and 2012, the provision for uncollectible reinsurance recoverable relating to reinsurance balances recoverable was $338.6 million and $343.9 million, respectively. To estimate the provision for uncollectible reinsurance recoverable, the balances are first allocated to applicable reinsurers which involve management judgment. As part of this process, ceded incurred but not reported (“IBNR”) reserves are allocated by reinsurer. The ratio of the provision for uncollectible reinsurance recoverable to total non-life run-off and active underwriting reinsurance balances recoverable (excluding provision for uncollectible reinsurance recoverable) as of December 31, 2013 decreased to 19.9% as compared to 23.4% as of December 31, 2012, primarily as a result of reinsurance balances recoverable of companies acquired during the year requiring minimal provisions for uncollectible reinsurance recoverable.

Life and Annuities

As at December 31, 2013, the reinsurance balances recoverable associated with the Company’s life and annuities business amounting to $31.9 million consisted of term life business ceded by Pavonia to reinsurers under various quota share arrangements. All of the reinsurers are rated A- and above by a major rating agency.

Top Ten Reinsurers

At December 31, 2013 and 2012, the top ten reinsurers of the Company’s business accounted for 68.3% and 63.1%, respectively, of total reinsurance balances recoverable (which includes loss reserves recoverable and recoverables on paid losses) and included $290.1 million and $194.5 million, respectively, of IBNR reserves recoverable. With the exception of one BBB+ rated reinsurer and one non-rated reinsurer from which $41.4 million and $256.2 million, respectively, was recoverable (December 31, 2012: $37.7 million and $nil, respectively), the other top ten reinsurers, as at December 31, 2013 and 2012, were all rated A- or better. Reinsurance balances recoverable by reinsurer were as follows:

	2013					2012
	Reinsurance Recoverables		% of Total			Reinsurance Recoverables		% of Total
Top 10 reinsurers	$	930,943		68.3	%	$	708,953		63.1	%
Other reinsurers’ balances > $1 million		423,013		31.0	%		409,666		36.5	%
Other reinsurers’ balances < $1 million		9,863		0.7	%		4,300		0.4	%
Total	$	1,363,819		100.0	%	$	1,122,919		100.0	%

As at December 31, 2013 and 2012, reinsurance balances recoverable with a carrying value of $256.2 million and $144.1 million, respectively, were associated with one reinsurer, which represented 10% or more of total reinsurance balances recoverable. Of the $256.2 million and $144.1 million recoverable from reinsurers at December 31, 2013 and 2012, $256.2 million and $121.7 million, respectively, were secured in a trust account held for the benefit of the Company’s insurance and reinsurance subsidiaries.

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Policy Benefits for Life and Annuity Contracts

12 Months Ended

Dec. 31, 2013

Investments All Other Investments [Abstract]

Policy Benefits for Life and Annuity Contracts

9.    POLICY BENEFITS FOR LIFE AND ANNUITY CONTRACTS

The Company has entered into long duration contracts that subject the Company to mortality, longevity and morbidity risks and which are accounted for as life and annuity premiums earned. Life and annuity benefit reserves are established using assumptions for investment yields, mortality, morbidity, lapse and expenses, including a provision for adverse deviation. The Company establishes and reviews its life and annuity reserves regularly based upon cash flow projections. The Company establishes and maintains its life and annuity reinsurance reserves at a level that the Company estimates will, when taken together with future premium payments and investment income expected to be earned on associated premiums, be sufficient to support all future cash flow benefit obligations and third party servicing obligations as they become payable. The assumptions used to determine policy benefit reserves are best estimate assumptions that are locked-in throughout the life of the contract unless a premium deficiency develops. The assumptions are reviewed no less than annually and are unlocked if they result in a material reserve change. The Company establishes these estimates based upon transaction specific historical experience, information provided by the ceding company and industry experience studies. Actual results could differ materially from these estimates. As the experience on the contracts emerges, the assumptions are reviewed by management. The Company determines whether actual and anticipated experience indicates that existing policy reserves, together with the present value of future gross premiums, are sufficient to cover the present value of future benefits, settlement and maintenance costs. If such a review produces reserves in excess of those currently held then the lock-in assumptions are revised and an additional life and annuity benefit reserve is recognized at that time.

Policy benefits for life and annuity contracts as at December 31, 2013 and 2012 were as follows:

	2013			2012
Life	$	380,874		$	11,027
Annuities		963,323			—
		1,344,197			11,027
Fair value adjustments		(71,097	)		—
	$	1,273,100		$	11,027

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Investments - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013 Security	Dec. 31, 2012 Security
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments as held-to-maturity		$ 0
Number of securities classified as available-for-sale in an unrealized loss position	135	30
Fair value of securities classified as available-for-sale in an unrealized loss position	121,830,000	28,968,000
Number of securities classified as available-for-sale in an unrealized loss position for twelve months or longer	2	23
Securities considered as other than temporarily impaired	0
Other-than-temporary impairment credit losses recognized	0
Other-than-temporary impairment credit losses	0
Other investments recorded in private equities	569,293,000	414,845,000
Side-pockets investments	3,150,000
Investments	4,660,411,000	3,352,875,000
Transfers between Levels 1 and 2	0	0
Restricted cash	397,657,000	299,965,000
Fixed Income Hedge Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Imposed lock-up period	3 years
Number of days to give notice for quarterly hedge fund redemptions	90 days
Investment in the funds will be eligible for redemption	Mar. 31, 2014
Side-pockets investments	3,150,000
Real Estate Debt Fund [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments recorded in private equities	32,113,000	16,179,000
Redemption request description	A redemption request for this fund can be made 10 days after the date of any monthly valuation
Side-pockets investments
Private Equity Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other investments recorded in private equities	161,229,000	127,696,000
Percent of other investments recorded in private equities	2.50%	3.00%
Side-pockets investments
Residential Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of securities classified as available-for-sale in an unrealized loss position	13,632,000	1,124,000
Investments	235,964,000	120,092,000
Commercial Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	114,637,000	131,329,000
U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage-backed securities	177,900,000	68,400,000
Fair value of securities classified as available-for-sale in an unrealized loss position	11,416,000
Investments	468,289,000	366,863,000
Residential and commercial mortgaged-backed securities [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Mortgage-backed securities	12,500,000	3,500,000
Held-to-maturity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	799,559,000	0
Held-to-maturity Securities [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments	18,132,000
Seabright Pavonia Companies, Arden and Atrium [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Increase of restricted assets	1,890,000,000
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Number of corporate security	1
Investments	270,903,000	206,671,000
Fair value of changes in assets	48,800,000	18,600,000
Significant Unobservable Inputs (Level 3) [Member] | Residential Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Commercial Mortgage-Backed [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Held-to-maturity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments
Significant Unobservable Inputs (Level 3) [Member] | Held-to-maturity Securities [Member] | U.S. Government and Agency [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investments

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Commitments and Contingencies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013 Custodians	Dec. 31, 2012	Dec. 31, 2011
Commitments And Contingencies [Line Items]
Number of custodians	36
Rent expense	$ 5,500,000	$ 3,900,000	$ 3,000,000
Total parental guarantees	228,500,000	213,300,000
Fixed Maturity Investments [Member]
Commitments And Contingencies [Line Items]
Fair value of fixed maturities investments	2,800,000,000	1,800,000,000
Torus Insurance Holdings Limited [Member]
Commitments And Contingencies [Line Items]
Value of equity issued, Business combination	$ 69,200,000
Business acquisition, Equity interest issued, Number of shares	2,612,346

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Losses and Loss Adjustment Expenses - Additional Information (Detail) (USD $)	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011 commutations	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013 commutations	Dec. 31, 2012 commutations	Dec. 31, 2011 commutations
Effects of Reinsurance [Line Items]
Estimate of net ultimate liability for asbestos and environmental claims	$ 467,700,000				$ 557,600,000								$ 467,700,000	$ 557,600,000
Estimate of gross ultimate liability for asbestos and environmental claims	524,100,000				628,700,000								524,100,000	628,700,000
Reduction in estimates of net ultimate losses	(134,068,000)	(27,850,000)	(48,500,000)	(5,062,000)	(97,895,000)	(58,506,000)	(58,417,000)	(3,298,000)	(173,924,000)	(43,615,000)	(28,079,000)	(2,612,000)	(215,480,000)	(218,116,000)	(248,230,000)
(Increase) reduction in provisions for bad debt	7,464,000	(5,465,000)			(329,000)		(527,000)	(2,255,000)	(38,751,000)	(2,399,000)	(1,672,000)		1,999,000	(3,111,000)	(42,822,000)
Reduction in estimates of unallocated loss adjustment expense liabilities	(111,000)	(16,320,000)	(16,795,000)	(16,403,000)	(2,206,000)	(12,579,000)	(11,661,000)	(12,852,000)	(7,669,000)	(14,113,000)	(11,783,000)	(11,537,000)	(49,629,000)	(39,298,000)	(45,102,000)
Amortization of fair value adjustments	(3,540,000)	5,025,000	2,369,000	2,093,000	4,207,000	8,538,000	2,240,000	7,587,000	16,782,000	8,865,000	6,969,000	10,077,000	5,947,000	22,572,000	42,693,000
Net incurred favorable loss development														49,300,000	23,400,000
Total number of commutations													108	101	113
Net change in case and LAE reserves													310,500,000	317,600,000	311,600,000
Net paid losses													360,200,000	314,500,000	288,200,000
Net incurred liabilities settled by way of commutation													29,800,000	26,600,000	71,500,000
Assumed incurred liabilities	97,300,000				163,100,000								97,300,000	163,100,000
Ceded incurred reinsurance recoverables	67,500,000				136,500,000								67,500,000	136,500,000
Number of commutations completed outside the current fiscal year															3
Commutations related to ceded exposures									110						110
IBNR Reserves [Member]
Effects of Reinsurance [Line Items]
Net incurred favorable loss development													49,700,000	3,100,000
Reductions in IBNR reserves													265,200,000	267,400,000	224,800,000
Decrease in aggregate estimate of IBNR loss reserves related to asbestos liabilities	69,800,000				36,400,000				57,900,000				69,800,000	36,400,000	57,900,000
Decrease in aggregate estimate of IBNR loss reserves related to environmental liabilities	4,900,000				2,600,000				2,800,000				4,900,000	2,600,000	2,800,000
Decrease in aggregate estimate of IBNR loss reserves related to general casualty liabilities	42,600,000				96,300,000				91,600,000				42,600,000	96,300,000	91,600,000
Decrease in aggregate estimate of IBNR loss reserves related to workers compensation liabilities	42,100,000				52,700,000								42,100,000	52,700,000
Decrease in aggregate estimate of IBNR loss reserves related to other remaining liabilities	105,800,000				79,700,000				72,500,000				105,800,000	79,700,000	72,500,000
Net IBNR reserves					52,400,000									52,400,000
Reduction in Estimates of Net Ultimate Losses [Member]
Effects of Reinsurance [Line Items]
Net increase (decrease) in ultimate loss and loss adjustment expense liabilities													183,000,000	238,000,000	293,500,000
Losses and loss adjustment expenses relating to prior periods													257,100,000
Reduction in estimates of net ultimate losses													215,500,000	218,100,000	248,200,000
Reduction in Estimates of Net Ultimate Losses [Member] | SeaBright [Member]
Effects of Reinsurance [Line Items]
Impact of losses incurred													$ 74,100,000

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Investments - Amortized Cost and Estimated Fair Values of Company's Fixed Maturity Securities Classified as Held to Maturity (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 859,387
Gross Unrealized Holding Gains	130
Gross Unrealized Holding Losses Non-OTTI	(59,958)
Fair Value	799,559
U.S. Government and Agency [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	19,992
Gross Unrealized Holding Gains	6
Gross Unrealized Holding Losses Non-OTTI	(1,866)
Fair Value	18,132
Non-U.S. Government [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	23,592
Gross Unrealized Holding Gains	19
Gross Unrealized Holding Losses Non-OTTI	(1,284)
Fair Value	22,327
Corporate [Member]
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	815,803
Gross Unrealized Holding Gains	105
Gross Unrealized Holding Losses Non-OTTI	(56,808)
Fair Value	$ 759,100

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Share Capital - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended						0 Months Ended
	Apr. 20, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Torus Insurance Holdings Limited [Member]	Dec. 31, 2013 Voting Ordinary Shares and Non-Voting Convertible Ordinary Shares [Member]	Dec. 31, 2012 Voting Ordinary Shares and Non-Voting Convertible Ordinary Shares [Member]	Jul. 08, 2013 Series B Convertible Participating Non-Voting Perpetual Preferred Stock [Member] Torus Insurance Holdings Limited [Member]	Apr. 20, 2011 Voting Ordinary Shares [Member]	Apr. 20, 2011 Series C Non-Voting Ordinary Shares [Member]	Apr. 20, 2011 Non-Voting Ordinary Shares [Member]
Class of Stock [Line Items]
Common shares, authorized		156,000,000	156,000,000			111,000,000	111,000,000
Common shares, par value		$ 1	$ 1		$ 132.448	$ 1.00	$ 1.00
Preference shares, authorized		45,000,000	45,000,000
Preference shares, par value		$ 1.00	$ 1.00					$ 1.00
Voting power of Ordinary Shares, percentage				9.50%
Voting power of Ordinary Shares		Each Voting Ordinary Share entitles the holder thereof to one vote. In accordance with the Company's bye-laws, however, any U.S. shareholder or direct foreign shareholder group whose shares constitute 9.5% or more of the voting power of our Voting Ordinary Shares would be entitled to less than one vote for each Voting Ordinary Share held by them.
Aggregate purchase price	$ 291,600
Shares issued								4,000,000	665,529	2,725,637	340,820
Exercise price per share											$ 115
Warrants expiration		Apr. 20, 2021
Preferred stock liquidation preference		$ 0.001

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Investments - Estimated Fair Values of Investments in Fixed Maturity Securities, Short-Term Investments and Equities, Trading Securities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	$ 3,662,721	$ 2,572,321
Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	3,844,754	2,686,909
U.S. Government and Agency [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	439,946	361,906
Non-U.S. Government [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	476,224	265,722
Corporate [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	2,123,675	1,598,876
Municipal [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	41,034	20,446
Residential Mortgage-Backed [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	218,457	115,594
Commercial Mortgage-Backed [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	114,637	130,848
Asset-Backed [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	248,748	78,929
Total Fixed Maturity and Short-term Investments [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	3,662,721	2,572,321
Equities - U.S. [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	115,285	92,406
Equities - International [Member] | Estimate of Fair Value Measurement [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Estimated fair value of trading securities	$ 66,748	$ 22,182

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Premiums Written and Earned - Additional Information (Detail) (USD $)	12 Months Ended			11 Months Ended	12 Months Ended	3 Months Ended												12 Months Ended				3 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 SeaBright [Member]	Dec. 31, 2013 SeaBright [Member]	Dec. 31, 2013 Life and Annuity [Member]	Sep. 30, 2013 Life and Annuity [Member]	Jun. 30, 2013 Life and Annuity [Member]	Mar. 31, 2013 Life and Annuity [Member]	Dec. 31, 2012 Life and Annuity [Member]	Sep. 30, 2012 Life and Annuity [Member]	Jun. 30, 2012 Life and Annuity [Member]	Mar. 31, 2012 Life and Annuity [Member]	Dec. 31, 2011 Life and Annuity [Member]	Sep. 30, 2011 Life and Annuity [Member]	Jun. 30, 2011 Life and Annuity [Member]	Mar. 31, 2011 Life and Annuity [Member]	Dec. 31, 2013 Life and Annuity [Member]	Dec. 31, 2012 Life and Annuity [Member]	Dec. 31, 2011 Life and Annuity [Member]	Dec. 31, 2013 Life and Annuity [Member] Pavonia [Member]	Dec. 31, 2013 Active Underwriting [Member]	Sep. 30, 2013 Active Underwriting [Member]	Jun. 30, 2013 Active Underwriting [Member]	Mar. 31, 2013 Active Underwriting [Member]	Dec. 31, 2013 Active Underwriting [Member]	Dec. 31, 2012 Active Underwriting [Member]	Dec. 31, 2011 Active Underwriting [Member]	Dec. 31, 2013 Active Underwriting [Member] Atrium and Arden [Member]	Dec. 31, 2013 Active Underwriting [Member] Atrium [Member]	Dec. 31, 2013 Active Underwriting [Member] Arden [Member]
Premiums Written And Earned [Line Items]
Net premiums written				$ 9,200,000														$ 63,900,000	$ 3,500,000	$ 3,500,000						$ 30,104,000			$ 30,100,000
Net premiums earned	239,807,000	3,511,000	3,543,000		112,600,000	29,323,000	30,540,000	34,380,000	741,000	819,000	822,000	896,000	974,000	1,080,000	1,192,000	1,271,000		94,984,000	3,511,000	3,543,000		32,212,000				32,212,000			32,200,000
Unearned premiums	$ 70,698,000			$ 1,200,000	$ 1,200,000																$ 3,700,000									$ 59,500,000	$ 6,300,000

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Schedule II - Condensed Balance Sheets (Parenthetical) (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Condensed Financial Statements, Captions [Line Items]
Common shares, authorized	156,000,000	156,000,000
Common shares, par value	$ 1	$ 1
Series A Non-Voting Convertible Ordinary Shares [Member]
Condensed Financial Statements, Captions [Line Items]
Ordinary shares, shares issued	2,972,892	2,972,892
Treasury shares at cost (Series A non-voting convertible ordinary shares)	2,972,892	2,972,892
Enstar Group Limited [Member]
Condensed Financial Statements, Captions [Line Items]
Treasury shares at cost (Series A non-voting convertible ordinary shares)	2,972,892	2,972,892
Enstar Group Limited [Member] | Share Capital - Ordinary Shares [Member]
Condensed Financial Statements, Captions [Line Items]
Common shares, authorized	156,000,000	156,000,000
Common shares, par value	$ 1	$ 1
Ordinary shares, shares issued	13,802,706	13,752,172
Enstar Group Limited [Member] | Series A Non-Voting Convertible Ordinary Shares [Member]
Condensed Financial Statements, Captions [Line Items]
Ordinary shares, shares issued	2,972,892	2,972,892
Enstar Group Limited [Member] | Series B, C and D Non-Voting Convertible Ordinary Shares [Member]
Condensed Financial Statements, Captions [Line Items]
Ordinary shares, shares issued	2,725,637	2,725,637
Ordinary shares, shares outstanding	2,725,637	2,725,637

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Schedule IV - Reinsurance

12 Months Ended

Dec. 31, 2013

Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Abstract]

Schedule IV - Reinsurance

SCHEDULE IV

ENSTAR GROUP LIMITED

REINSURANCE

For the Years Ended December 31, 2013, 2012 and 2011

(Expressed in thousands of U.S. Dollars)

	Gross		Ceded to Other Companies		Assumed from Other Companies		Net Amount		Percentage of Amount Assumed to Net
2013
Life reinsurance in force	$	—	$	—	$	80,681	$	80,681		100.0	%
Premiums Earned:
Property and Casualty		134,402		11,651		22,072		144,823		15.2	%
Life and Annuity		87,531		8,131		15,584		94,984		16.4	%
Total Premiums Earned	$	221,933	$	19,782	$	37,656	$	239,807
2012
Life reinsurance in force	$	—	$	—	$	—	$	—		0.0	%
Premiums Earned:
Property and Casualty		—		—		—		—		0.0	%
Life and Annuity		5,421		1,910		—		3,511		0.0	%
Total Premiums Earned	$	5,421	$	1,910	$	—	$	3,511
2011
Life reinsurance in force	$	—	$	—	$	—	$	—		0.0	%
Premiums Earned:
Property and Casualty		—		—		—		—		0.0	%
Life and Annuity		5,240		1,697		—		3,543		0.0	%
Total Premiums Earned	$	5,240	$	1,697	$	—	$	3,543

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Retained Earnings and Statutory Restrictions (Tables)

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Summary of Statutory Capital and Surplus

The statutory capital and surplus amounts for the years ended December 31, 2013 and 2012 and statutory net income (loss) amounts for the years ended December 31, 2013, 2012 and 2011 for the Company’s insurance and reinsurance subsidiaries based in Bermuda, the United Kingdom, Australia, the United States and Europe were as follows:

	Statutory Capital and Surplus
	Minimum Required				Actual				Statutory Income (Loss)
	2013		2012		2013		2012		2013		2012			2011
Bermuda	$	109,010	$	92,606	$	833,263	$	627,335	$	103,852	$	98,247		$	80,022
U.K.	$	83,410	$	80,324	$	592,992	$	506,459	$	76,685	$	64,015		$	114,403
Australia	$	65,894	$	82,007	$	99,174	$	94,042	$	19,131	$	4,651		$	13,979
U.S.	$	138,331	$	102,114	$	879,947	$	445,818	$	4,725	$	(42,109	)	$	(8,234	)
Europe	$	12,965	$	38,642	$	142,216	$	173,974	$	11,035	$	7,578		$	22,356

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Redeemable Noncontrolling Interest

12 Months Ended

Dec. 31, 2013

Noncontrolling Interest [Abstract]

Redeemable Noncontrolling Interest

14.    REDEEMABLE NONCONTROLLING INTEREST

The redeemable noncontrolling interest comprises the 40% ownership interest in Northshore held by Trident. Northshore owns 100% of Atrium and Arden. The redeemable noncontrolling interest is classified outside of permanent shareholders’ equity on the Company’s consolidated balance sheets due to the redemption rights held by Trident, which are described in Note 3 — Acquisitions. The Company recognizes changes in the redemption value of the Trident interest in Northshore’s earnings as if the balance sheet date was also the redemption date. As at December 31, 2013, there were no adjustments recorded through retained earnings as the redemption value of the Trident interest approximated its carrying value.

A reconciliation of the beginning and ending carrying amount of the equity attributable to the redeemable noncontrolling interest is as follows:

	Redeemable noncontrolling interest
Balance as at December 31, 2012	$	—
Redeemable noncontrolling interest, initial contributions		96,689
Net earnings attributable to redeemable noncontrolling interest		4,170
Balance as at December 31, 2013	$	100,859

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Taxation - Components of Deferred Tax Assets and Deferred Tax Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets
Benefit of losses, deductions, and other carryforwards	$ 187,377	$ 162,389
Claims reserves, principally due to discounting for tax	217,283	27,195
Allowance for doubtful accounts receivable	22,303	16,703
Investments		7,552
Total deferred tax assets	426,963	213,839
Deferred tax liabilities
Investments	(31,932)	(11,999)
Unrecognized income	(21,740)
Intangible asset from acquisition	(18,000)
Other	(5,424)
Net deferred tax asset before valuation allowance	349,867	201,840
Valuation allowance	(366,650)	(202,365)
Net deferred tax liability	$ 34,295	$ 8,109

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Related Party Transactions

12 Months Ended

Dec. 31, 2013

Related Party Transactions [Abstract]

Related Party Transactions

19.    RELATED PARTY TRANSACTIONS

Stone Point Capital LLC

Following several private transactions occurring from May 2012 to July 2012, Trident acquired approximately 9.7% of the Company’s voting ordinary shares. On November 6, 2013, the Company appointed James D. Carey to its Board of Directors. Mr. Carey is the sole member of an entity that is one of four general partners of the entities serving as general partners for the Trident funds, is a member of the investment committees of such general partners, and is a member and senior principal of Stone Point Capital LLC, the manager of the Trident funds. In addition, the Company entered into certain agreements with Trident with respect to Trident’s co-investments in the Atrium and Arden acquisitions and the pending Torus acquisition. Refer to Note 3 — “Acquisitions” for a description of these co-investment transactions. Mr. Carey serves as a Trident representative on the board of the holding company established in connection with the Atrium/Arden co-investment transaction and is expected to serve as a representative on the Torus board and on the board of the holding company established in connection with the Torus co-investment transaction following the closing of the Amalgamation.

The Company has investments in two funds (carried within other investments) affiliated with entities owned by Trident. As of December 31, 2013, the fair value of the investments in the two funds was $87.7 million. The Company has also invested in a fund managed by Sound Point Capital, an entity in which Mr. Carey has an approximately 4% indirect ownership interest and serves as director. As of December 31, 2013, the fair value of this investment was $21.6 million. The Company has recognized $1.2 million in net realized and unrealized gains in respect of this investment as of December 31, 2013.

Subsequent to December 31, 2013, the Company made a commitment to invest up to $20.0 million in the Trident Parallel VI Fund, a fund managed by Stone Point Capital LLC.

Goldman Sachs & Co.

As of December 31, 2013, affiliates of Goldman Sachs & Co. (“Goldman Sachs”) own approximately 4.8% of the Company’s voting ordinary shares and 100% of the Company’s non-voting convertible ordinary shares. Sumit Rajpal, a managing director of Goldman Sachs, was appointed to the Board of Directors in connection with Goldman Sachs’ investment in the Company. As of December 31, 2013, the Company had an investment in one fund (carried within other investments) affiliated with entities owned by Goldman Sachs, which had a fair value of $3.2 million. Subsequent to December 31, 2013, the Company invested £12.5 million in indirect non-voting interests of two companies affiliated with Hastings Insurance Group Limited. The Company’s interests are held in accounts managed by affiliates of Goldman Sachs. Goldman Sachs affiliates have an approximately 50% interest in the Hastings companies, and Mr. Rajpal serves as a director of the entities the Company has invested in.

Affiliates of Goldman Sachs own approximately 22% of Global Atlantic Financial Group (“GAFG”), which owns entities that provide reinsurance to Arden. As at December 31, 2013, the Company’s total reinsurance recoverable from GAFG entities amounted to $340.8 million. As at December 31, 2013, reinsurance balances recoverable from a particular non-rated GAFG entity with a carrying value of $256.1 million represented 10% or more of the Company’s total non-life run-off reinsurance balances recoverable. The $256.1 million recoverable from that GAFG entity at December 31, 2013 was secured by a trust account. The balance of $84.7 million as at December 31, 2013 was recoverable from GAFG entities rated A- and higher.

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Goodwill and Intangible Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Goodwill And Intangible Assets [Line Items]
Amortization of Intangible Assets	$ 21,200	$ 22,600	$ 42,700
Goodwill	60,070	21,222	21,222
Minimum [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Finite lived intangible assets amortization period	10 years
Maximum [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Finite lived intangible assets amortization period	15 years
Non-Life Run-Off [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	21,200	21,200
Active Underwriting [Member]
Schedule Of Goodwill And Intangible Assets [Line Items]
Goodwill	$ 38,800

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Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Components of Salaries and Benefits

Components of salaries and benefits are summarized as follows:

	2013		2012		2011
Salaries and benefits	$	83,563	$	63,689	$	55,642
Defined contribution pension plan expense		6,023		4,240		4,864
2006 equity plan		2,923		2,894		2,662
Annual incentive plan		32,107		29,650		26,678
Total salaries and benefits	$	124,616	$	100,473	$	89,846

Employee Share Awards

Employee share awards are summarized as follows:

	2013					2012					2011
	Number of Shares			Weighted Average Fair Value of the Award		Number of Shares			Weighted Average Fair Value of the Award		Number of Shares			Weighted Average Fair Value of the Award
Nonvested — January 1		160,644		$	17,989		203,930		$	20,026		153,930		$	13,019
Granted		4,959			557		5,633			472		71,621			5,957
Vested		(50,444	)		5,855		(48,919	)		4,736		(21,621	)		1,907
Nonvested — December 31		115,159		$	15,997		160,644		$	17,989		203,930		$	20,026

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Earnings Per Share - Comparison of Basic and Diluted Earnings Per Share (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Basic earnings per ordinary share:
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$ 137,461	$ 39,987	$ 19,197	$ 11,959	$ 69,906	$ 47,716	$ 40,721	$ 9,674	$ 128,751	$ 12,064	$ 9,375	$ 3,503	$ 208,604	$ 168,017	$ 153,693
Weighted average ordinary shares outstanding - basic													16,523,369	16,441,461	13,930,221
Net earnings per ordinary share attributable to Enstar Group Limited - basic	$ 8.32	$ 2.42	$ 1.16	$ 0.72	$ 4.25	$ 2.90	$ 2.48	$ 0.59	$ 8.89	$ 0.85	$ 0.67	$ 0.27	$ 12.62	$ 10.22	$ 11.03
Diluted earnings per ordinary share:
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$ 137,461	$ 39,987	$ 19,197	$ 11,959	$ 69,906	$ 47,716	$ 40,721	$ 9,674	$ 128,751	$ 12,064	$ 9,375	$ 3,503	$ 208,604	$ 168,017	$ 153,693
Weighted average ordinary shares outstanding - basic													16,523,369	16,441,461	13,930,221
Share equivalents:
Unvested shares													117,850	162,454	196,670
Restricted share units													18,056	19,478	69,723
Warrants													44,167
Options														14,628	15,826
Weighted average ordinary shares outstanding - diluted													16,703,442	16,638,021	14,212,440
Net earnings per ordinary share attributable to Enstar Group Limited - diluted	$ 8.23	$ 2.39	$ 1.15	$ 0.72	$ 4.22	$ 2.86	$ 2.44	$ 0.58	$ 8.71	$ 0.83	$ 0.66	$ 0.26	$ 12.49	$ 10.10	$ 10.81

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Losses and Loss Adjustment Expenses (Tables)

12 Months Ended

Dec. 31, 2013

Losses and Loss Adjustment Expenses

	2013								2012
	Non-life Run-off			Active Underwriting		Total			Non-life Run-off			Active Underwriting		Total
Outstanding	$	2,541,934		$	79,826	$	2,621,760		$	2,358,329		$	—	$	2,358,329
Incurred but not reported		1,717,870			98,583		1,816,453			1,588,310			—		1,588,310
Fair value adjustment		(255,291	)		36,983		(218,308	)		(296,512	)		—		(296,512	)
	$	4,004,513		$	215,392	$	4,219,905		$	3,650,127		$	—	$	3,650,127

Non-Life Run-Off [Member]

Losses Incurred and Paid Reflected Net of Reinsurance Recoverables

The tables below provide a reconciliation of the beginning and ending reserves for losses and loss adjustment expenses for the years ended December 31, 2013, 2012 and 2011, split between the non-life run-off segment and the active underwriting segment, was as follows (losses incurred and paid are reflected net of reinsurance recoverables):

Non-Life Run-off Segment

	Non-Life Run-off
	2013			2012			2011
Balance as at January 1(1)	$	3,650,127		$	4,272,082		$	3,291,275
Less: total reinsurance reserves recoverable		876,220			1,383,003			525,440
		2,773,907			2,889,079			2,765,835
Net increase (reduction) in ultimate losses and loss adjustment expense liabilities:
Current period		74,139			—			—
Prior periods		(257,114	)		(237,953	)		(293,461	)
Total net reduction in ultimate losses and loss adjustment expense liabilities		(182,975	)		(237,953	)		(293,461	)
Net losses paid:
Current period		(10,656	)		—			—
Prior periods		(360,214	)		(314,528	)		(288,175	)
Total net losses paid		(370,870	)		(314,528	)		(288,175	)
Effect of exchange rate movement		4,936			14,833			(7,987	)
Acquired on purchase of subsidiaries		557,476			—			600,046
Assumed business		100,506			422,476			112,821
Net balance as at December 31		2,882,980			2,773,907			2,889,079
Plus: total reinsurance reserves recoverable		1,121,533			876,220			1,383,003
Balance as at December 31	$	4,004,513		$	3,650,127		$	4,272,082

(1) The Company reclassified $11.0 million of reserves acquired on the purchase of subsidiaries previously recorded in 2011 to policy benefits for life and annuity contracts. In addition, the Company has reclassified outstanding losses and loss adjustment expenses of $11.0 million and $10.8 million to policy benefits for life and annuity contracts as at January 1, 2013 and 2012, respectively, to conform to the current period presentation. These amounts are associated with Laguna, which now forms part of the Company’s life and annuities segment that was established following the acquisition of the Pavonia companies.

Net Reduction (Increase) in Ultimate Losses and Loss Adjustment Expense Liabilities

The net reduction (increase) in ultimate losses and loss adjustment expense liabilities for the years ended December 31, 2013, 2012 and 2011 was as follows:

	Non-Life Run-off
	Years Ended December 31,
	2013								2012			2011
	Prior Period			Current Period		Total			Prior Period			Prior Period
Net losses paid	$	360,214		$	10,656	$	370,870		$	314,528		$	288,175
Net change in case and LAE reserves		(310,488	)		29,555		(280,933	)		(265,222	)		(311,614	)
Net change in IBNR reserves		(265,206	)		33,928		(231,278	)		(267,422	)		(224,791	)
(Reduction) increase in estimates of net ultimate losses		(215,480	)		74,139		(141,341	)		(218,116	)		(248,230	)
Increase (reduction) in provisions for bad debt		1,999			—		1,999			(3,111	)		(42,822	)
Reduction in provisions for unallocated loss adjustment expense liabilities		(49,580	)		—		(49,580	)		(39,298	)		(45,102	)
Amortization of fair value adjustments		5,947			—		5,947			22,572			42,693
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities	$	(257,114	)	$	74,139	$	(182,975	)	$	(237,953	)	$	(293,461	)

(1) For the years ended December 31, 2012 and 2011, the Company had no premium income and therefore no current period activity.

Active Underwriting [Member]

Losses Incurred and Paid Reflected Net of Reinsurance Recoverables

	2013
	Active Underwriting
Balance as of January 1	$	—
Less: total reinsurance reserves recoverable		—
		—
Acquired on purchase of subsidiaries		200,374
Net increase in ultimate losses and loss adjustment expenses incurred:
Current period		19,303
Net losses paid:
Current period		(30,626	)
Effect of exchange rate movement		1,286
Net balance as of December 31		190,337
Plus: total reinsurance reserves recoverable		25,055
Balance as at December 31	$	215,392

Net Reduction (Increase) in Ultimate Losses and Loss Adjustment Expense Liabilities

The net increase in ultimate losses and loss adjustment expense liabilities for the active underwriting segment for the year ended December 31, 2013 was as follows:

	Year Ended December 31, 2013
	Prior Period		Current Period			Total
Net losses paid	$	—	$	30,626		$	30,626
Net change in case and LAE reserves		—		(9,621	)		(9,621	)
Net change in IBNR reserves		—		(1,653	)		(1,653	)
Increase in estimates of net ultimate losses		—		19,352			19,352
Reduction in provisions for unallocated loss adjustment expense liabilities		—		(49	)		(49	)
Net increase in ultimate losses and loss adjustment expense liabilities	$	—	$	19,303		$	19,303

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Employee Benefits - Employee Share Awards (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Nonvested - January 1	$ 17,989	$ 20,026	$ 13,019
Granted	$ 557	$ 472	$ 5,957
Vested	$ 5,855	$ 4,736	$ 1,907
Nonvested - December 31	$ 15,997	$ 17,989	$ 20,026
Nonvested - January 1	160,644	203,930	153,930
Granted	4,959	5,633	71,621
Vested	(50,444)	(48,919)	(21,621)
Nonvested - December 31	115,159	160,644	203,930

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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement Of Income And Comprehensive Income [Abstract]
NET EARNINGS	$ 223,822	$ 191,519	$ 208,458
Other comprehensive income, net of tax:
Unrealized holding gains on investments arising during the year	68,115	69,721	5,393
Reclassification adjustment for net realized and unrealized gains included in net earnings	(70,651)	(73,612)	(9,214)
Unrealized losses arising during the year, net of reclassification adjustment	(2,536)	(3,891)	(3,821)
Decrease (increase) in defined benefit pension liability	4,930	(2,461)	(3,718)
Currency translation adjustment	(19,473)	3,556	(903)
Total other comprehensive loss	(17,079)	(2,796)	(8,442)
Comprehensive income	206,743	188,723	200,016
Less comprehensive income attributable to noncontrolling interest	(8,600)	(23,365)	(54,244)
COMPREHENSIVE INCOME ATTRIBUTABLE TO ENSTAR GROUP LIMITED	$ 198,143	$ 165,358	$ 145,772

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Losses and Loss Adjustment Expenses - Net Reduction (Increase) in Ultimate Losses and Loss Adjustment Expense Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effects of Reinsurance [Line Items]
Net reduction (increase) in ultimate losses and loss adjustment expense liabilities, Current Period													$ (74,139)
Net losses paid													360,200	314,500	288,200
Net change in case and LAE reserves													(310,500)	(317,600)	(311,600)
Reduction (increase) in estimates of net ultimate losses	(134,068)	(27,850)	(48,500)	(5,062)	(97,895)	(58,506)	(58,417)	(3,298)	(173,924)	(43,615)	(28,079)	(2,612)	(215,480)	(218,116)	(248,230)
Reduction in provisions for unallocated loss adjustment expense liabilities	(111)	(16,320)	(16,795)	(16,403)	(2,206)	(12,579)	(11,661)	(12,852)	(7,669)	(14,113)	(11,783)	(11,537)	(49,629)	(39,298)	(45,102)
Amortization of fair value adjustments	(3,540)	5,025	2,369	2,093	4,207	8,538	2,240	7,587	16,782	8,865	6,969	10,077	5,947	22,572	42,693
Total net reduction in ultimate losses and loss adjustment expense liabilities	(125,056)	(20,374)	(27,403)	9,161	(96,223)	(62,547)	(68,365)	(10,818)	(203,562)	(51,262)	(34,565)	(4,072)	(163,672)	(237,953)	(293,461)
Active Underwriting [Member]
Effects of Reinsurance [Line Items]
Net losses paid, Prior Period
Net change in case and LAE reserves, Prior Period
Net change in IBNR reserves, Prior Period
Reduction (increase) in estimates of net ultimate losses, Prior Period
Reduction in provisions for unallocated loss adjustment expense liabilities, Prior Period
Net reduction (increase) in ultimate losses and loss adjustment expense liabilities, Prior Period
Net losses paid, Current Period													(30,626)
Net change in case and LAE reserves, Current Period													(9,621)
Net change in IBNR reserves, Current Period													(1,653)
Reduction (increase) in estimates of net ultimate losses, Current Period													19,352
Reduction in provisions for unallocated loss adjustment expense liabilities, Current Period													(49)
Net reduction (increase) in ultimate losses and loss adjustment expense liabilities, Current Period													19,303
Net losses paid													30,626
Net change in case and LAE reserves													(9,621)
Net change in IBNR reserves													(1,653)
Reduction (increase) in estimates of net ultimate losses													19,352
Reduction in provisions for unallocated loss adjustment expense liabilities													(49)
Total net reduction in ultimate losses and loss adjustment expense liabilities													19,303
Non-Life Run-Off [Member]
Effects of Reinsurance [Line Items]
Net losses paid, Prior Period													360,214	314,528	288,175
Net change in case and LAE reserves, Prior Period													(310,488)	(265,222)	(311,614)
Net change in IBNR reserves, Prior Period													(265,206)	(267,422)	(224,791)
Reduction (increase) in estimates of net ultimate losses, Prior Period													(215,480)	(218,116)	(248,230)
(Increase) reduction in provisions for bad debt, Prior Period													1,999	(3,111)	(42,822)
Reduction in provisions for unallocated loss adjustment expense liabilities, Prior Period													(49,580)	(39,298)	(45,102)
Amortization of fair value adjustments, Prior Period													5,947	22,572	42,693
Net reduction (increase) in ultimate losses and loss adjustment expense liabilities, Prior Period													257,114	237,953	293,461
Net losses paid, Current Period													10,656
Net change in case and LAE reserves, Current Period													29,555
Net change in IBNR reserves, Current Period													33,928
Reduction (increase) in estimates of net ultimate losses, Current Period													74,139
(Increase) reduction in provisions for bad debt, Current Period
Reduction in provisions for unallocated loss adjustment expense liabilities, Current Period
Amortization of fair value adjustments, Current Period
Net reduction (increase) in ultimate losses and loss adjustment expense liabilities, Current Period													74,139
Net losses paid													370,870	314,528	288,175
Net change in case and LAE reserves													(280,933)
Net change in IBNR reserves													(231,278)
Reduction (increase) in estimates of net ultimate losses													(141,341)
(Increase) reduction in provisions for bad debt													1,999
Reduction in provisions for unallocated loss adjustment expense liabilities													(49,580)
Amortization of fair value adjustments													5,947
Total net reduction in ultimate losses and loss adjustment expense liabilities													$ 182,975	$ 237,953	$ 293,461

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Acquisitions

12 Months Ended

Dec. 31, 2013

Business Combinations [Abstract]

Acquisitions

3. ACQUISITIONS

2014

Torus Insurance Holdings Limited

Amalgamation Agreement

On July 8, 2013, the Company, Veranda Holdings Ltd (“Veranda”), an entity in which the Company owns an indirect 60% interest through its 60% interest in Bayshore Holdings Limited (“Bayshore”), Hudson Securityholders Representative LLC and Torus Insurance Holdings Limited (“Torus”) entered into an Agreement and Plan of Amalgamation (the “Amalgamation Agreement”). The Amalgamation Agreement provides for the amalgamation (the “Amalgamation”) of Veranda and Torus (the combined entity, the “Amalgamated Company”). Torus is a global specialty insurer and holding company of six wholly-owned insurance vehicles, including two Lloyd’s syndicates, one of which is in run-off.

The purchase price for the Amalgamation is approximately $692.0 million and will be paid half in cash and half in the Company’s stock. The Company and Kenmare Holdings Ltd. (its wholly-owned subsidiary) (“Kenmare”) will contribute to Bayshore, the parent company of Veranda, approximately $69.2 million in cash and 2,612,346 shares of the Company (which will consist of a combination of voting ordinary shares, par value $1.00 per share (the “Voting Ordinary Shares”) and newly-created Series B convertible non-voting preference shares, par value $1.00 per share (the “Non-Voting Preferred Shares”)) in exchange for a 60% interest in Bayshore. Trident V, L.P., Trident V Parallel Fund, L.P. and Trident V Professionals Fund, L.P. (collectively, “Trident”) will contribute to Bayshore approximately $276.8 million in cash in exchange for a 40% interest in Bayshore. Bayshore will use the contributed funds and shares to pay the purchase price for the Amalgamation.

The number of shares to be issued by the Company is fixed and was determined by reference to an agreed-upon value per share under the Amalgamation Agreement of $132.448, which was the average closing price of the Voting Ordinary Shares over the 20 trading days prior to the date of signing of the Amalgamation Agreement. The final purchase price for the Amalgamation cannot be determined until closing because the overall value of the stock component will be an amount equal to the price of the Company’s Voting Ordinary Shares on the closing date multiplied by the fixed number of shares that will be issued. Following the Amalgamation, the Company and Trident will continue to own, respectively, a 60% and 40% indirect interest in the Amalgamated Company through their ownership of Bayshore.

Completion of the Amalgamation is conditioned on, among other things, governmental and regulatory approvals and satisfaction of various customary closing conditions. The transaction is expected to close in the first quarter of 2014.

Stock Issuance

FR XI Offshore AIV, L.P., First Reserve Fund XII, L.P., FR XII A Parallel Vehicle L.P. and FR Torus Co-Investment, L.P. (collectively, “First Reserve”) will receive Voting Ordinary Shares, Non-Voting Preferred Shares and cash consideration in the transaction. In the event that the number of Voting Ordinary Shares deliverable to First Reserve at the closing of the Amalgamation would cause First Reserve, as of immediately after such closing, to beneficially own Voting Ordinary Shares that constitute more than 9.5% of the voting power of all shares of the Company, then the Company will issue to First Reserve, at the closing, the total number of shares of Voting Ordinary Shares representing 9.5% of the voting power of all shares of the Company as of immediately after the closing and Non-Voting Preferred Shares representing the remainder of the shares that First Reserve is entitled to under the Amalgamation Agreement. Corsair Specialty Investors, L.P. (“Corsair”) will receive both Voting Ordinary Shares and cash consideration in the transaction. The remaining Torus shareholders will receive all cash. As a result of the Amalgamation, First Reserve will receive approximately 9.5% and 11.5%, respectively, of the Company’s Voting Ordinary Shares and outstanding share capital and Corsair will receive approximately 2.5% and 2.1%, respectively, of the Company’s Voting Ordinary Shares and outstanding share capital.

The Company and First Reserve will enter into a Shareholder Rights Agreement at the closing of the Amalgamation, under which the Company has agreed that First Reserve will have the right to designate one representative to the Company’s Board of Directors. This designation right terminates if First Reserve ceases to beneficially own at least 75% of the total number of Voting Ordinary Shares and Non-Voting Preferred Shares acquired by it under the Amalgamation Agreement.

The Company will also enter into a Registration Rights Agreement with First Reserve and Corsair at the closing of the Amalgamation that provides First Reserve and Corsair with certain rights to cause the Company to register under the Securities Act of 1933, as amended (the “Act”), the Voting Ordinary Shares (including the Voting Ordinary Shares into which the Non-Voting Preferred Shares may convert) issued pursuant to the Amalgamation and any securities issued by the Company in connection with the foregoing by way of a share dividend or share split or in connection with any recapitalization, reclassification or similar reorganization (the foregoing, collectively, “Registrable Securities”). Pursuant to the Registration Rights Agreement, the Company must file a resale shelf registration statement for the Registrable Securities within 20 business days after the closing of the Amalgamation. In addition, at any time following the six-month anniversary of the closing of the Amalgamation, First Reserve will be entitled to make three written requests for the Company to register all or any part of the Registrable Securities under the Act, subject to certain exceptions and conditions set forth in the Registration Rights Agreement. Corsair will have the right to make one such request. First Reserve and Corsair will also be granted “piggyback” registration rights with respect to the Company’s registration of Voting Ordinary Shares for its own account or for the account of one or more of its securityholders.

Trident Co-investment in Torus

In connection with the Amalgamation Agreement, the Company, Kenmare and Trident entered into an Investors Agreement on July 8, 2013 governing their investments in Bayshore, and Kenmare and Trident entered into individual equity commitment letters obligating each to fund its respective portion of the purchase price for the Amalgamation noted above. Completion of Kenmare’s and Trident’s funding obligations is conditioned on, among other things, the satisfaction of certain conditions tied directly to the satisfaction of the closing conditions under the Amalgamation Agreement.

Upon the funding of the equity commitments at the closing of the Amalgamation, Kenmare and Trident have agreed to enter into a Shareholders’ Agreement (the “Bayshore Shareholders’ Agreement”). Among other things, the Bayshore Shareholders’ Agreement will provide that Kenmare would appoint three members to the Bayshore board of directors and Trident would appoint two members.

The Bayshore Shareholders’ Agreement includes a five-year period during which neither party can transfer its ownership interest in Bayshore to a third party (the “Restricted Period”). Following the Restricted Period: (i) each party must offer the other party the right to buy its shares before the shares are offered to a third party; (ii) Kenmare can require Trident to participate in a sale of Bayshore to a third party as long as Kenmare owns 55% of Bayshore; (iii) each party has the right to be included on a pro rata basis in any sales made by the other party; and (iv) each party has the right to buy its pro rata share of any new securities issued by Bayshore.

During the 90-day period following the fifth anniversary of the closing of the Amalgamation, and at any time following the seventh anniversary of such closing, Kenmare would have the right to redeem Trident’s shares in Bayshore at their then fair market value, which would be payable in cash. Following the seventh anniversary of the closing, Trident would have the right to require Kenmare to purchase Trident’s shares for their then current fair market value, which Kenmare would have the option to pay either in cash or by delivering the Company’s ordinary voting shares.

Trident is a holder of approximately 9.7% of the Company’s ordinary shares. James D. Carey, a member and senior principal of Stone Point Capital LLC (the Manager of Trident), is a Member of the Company’s Board of Directors. Refer to Note 19 for information regarding the Company’s other transactions with Trident and its affiliates.

2013

Atrium

On November 25, 2013, Kenmare, the Company’s wholly-owned subsidiary, together with Trident, completed the acquisition of Atrium. The purchaser of Atrium, Northshore Holdings Limited (“Northshore”), is 60% owned by Kenmare and 40% owned by Trident. Atrium is an underwriting business at Lloyd’s of London that manages Syndicate 609 (“S609”) and provides approximately one quarter of the syndicate’s capital. Atrium specializes in accident and health, aviation, marine property, non-marine property, professional liability, property and casualty binding authorities, reinsurance, upstream energy, war and terrorism insurance, cargo and fine art.

The purchase price for Atrium was $158.0 million. Kenmare’s portion of the purchase price was $94.8 million, and was financed by borrowings under the Company’s revolving credit facility.

The purchase price and net assets acquired at fair value are as follows:

Purchase price	$	158,000
Net assets acquired at fair value	$	119,152
Excess of purchase price over fair value of net assets acquired	$	38,848

The purchase price was allocated to the acquired assets and liabilities of Atrium based on estimated fair values at the acquisition date. The Company recognized goodwill of $38.8 million, all of which was recorded within the active underwriting segment and is attributable primarily to Atrium’s assembled workforce. The Company also recognized indefinite lived intangible assets of $63.0 million and other definite lived intangible assets of $27.0 million.

The Company has not completed the process of determining the fair value of the intangible assets acquired and deferred taxes. These valuations will be completed within the measurement period, which cannot exceed 12 months from the acquisition date. As a result, the fair value recorded for these items is a provisional estimate and may be subject to adjustment. Once completed, any adjustments resulting from the valuations may impact the individual amounts recorded for assets acquired and liabilities assumed, as well as the residual goodwill.

The following table summarizes the provisional fair values of the assets acquired and liabilities assumed at the acquisition date.

ASSETS
Short-term investments, available-for-sale, at fair value	$	33,535
Short-term investments, trading, at fair value		12,526
Fixed maturities, available-for-sale, at fair value		156,142
Fixed maturities, trading, at fair value		10,751
Total investments		212,954
Cash and cash equivalents		44,842
Restricted cash and cash equivalents		12,305
Premiums receivable		41,855
Reinsurance balances recoverable		32,375
Deferred premium		26,224
Funds withheld		19,579
Intangibles		90,000
Other assets		7,977
TOTAL ASSETS		488,111
LIABILITIES
Losses and loss adjustment expenses		216,319
Insurance and reinsurance balances payable		20,834
Unearned premium		42,738
Deferred taxes		39,740
Other liabilities		49,328
TOTAL LIABILITIES		368,959
NET ASSETS ACQUIRED AT FAIR VALUE		119,152
Goodwill		38,848
ACQUISITION DATE FAIR VALUE	$	158,000

The net unearned premiums acquired include a decrease of $16.7 million to adjust net unearned premiums to fair value. This fair value adjustment is included within unearned premiums on the consolidated balance sheet. This amount will be amortized to acquisition costs in the consolidated statements of earnings and comprehensive income over the next two years. The amortization approximates the amount of Atrium’s deferred acquisition costs that would have been recognized as acquisition costs had they not been fair valued under acquisition accounting. As at December 31, 2013, the remaining balance of the fair value adjustment was $16.7 million.

The following table summarizes the provisional intangible assets recorded in connection with the acquisition:

	Amount		Economic Useful Life
Syndicate capacity	$	32,900	Indefinite
Management contract		30,100	Indefinite
Distribution channel		20,000	15 Years
Brand		7,000	10 years
Intangible assets as of the acquisition date	$	90,000

The fair value of the Lloyd’s syndicate capacity was estimated using the multi-period excess-earnings method, a form of the income approach. Lloyd’s syndicate capacity represents Atrium’s authorized premium income limit to write insurance business in the Lloyd’s market. Atrium’s proportionate share of S609, (the syndicate through which it conducts its Lloyd’s operations) is approximately 25%. The capacity is renewed annually at no cost to the Company but may be freely purchased or sold, subject to Lloyd’s approval. The ability to write insurance business within the syndicate capacity is indefinite with the premium income limit being set annually by the Company, subject to Lloyd’s approval.

Atrium provides underwriting, actuarial and support services to S609 pursuant to a management contract. The fair value of the management contract was estimated using the income approach.

Distribution channels represent broker relationships and the network of insurance companies through which Atrium conducts its operations. The fair value of Atrium’s distribution channel was estimated using the income approach. Critical inputs into the valuation model for customer relationships and broker relationships include estimates of expected premium and attrition rates, and discounting at a weighted average cost of capital. Brand represents the intangible asset related to the name and was valued using the income approach.

From the date of acquisition to December 31, 2013, the Company earned premiums of $10.7 million, recorded losses incurred of $7.2 million on those earned premiums, and recorded $2.5 million in net earnings related to Atrium in its consolidated statement of earnings.

Arden

On September 9, 2013, Kenmare, the Company’s wholly-owned subsidiary, together with Trident, completed the acquisition of Arden. Northshore, the purchaser of Arden, is 60% owned by Kenmare and 40% owned by Trident. Arden is a Bermuda-based reinsurance company that provides reinsurance to Atrium and is currently in the process of running off certain other discontinued businesses.

Results related to Arden’s reinsurance to Atrium are included within the Company’s active underwriting segment, while results related to Arden’s discontinued business are included within the Company’s non-life run-off segment.

The purchase price for Arden was $79.6 million. Kenmare’s portion of the purchase price was $47.8 million, and was financed by borrowings under the Company’s revolving credit facility.

Purchase price	$	79,600
Net assets acquired at fair value	$	79,600

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

	Active Underwriting		Non-life Run-off		Total
ASSETS
Short-term investments, trading, at fair value	$	16,340	$	12,512	$	28,852
Fixed maturities, trading, at fair value		9,351		46,077		55,428
Other investments		—		2,867		2,867
Total investments		25,691		61,456		87,147
Cash and cash equivalents		—		23,037		23,037
Restricted cash and cash equivalents		10,213		21,599		31,812
Premiums receivable		74,452		49,769		124,221
Reinsurance balances recoverable		—		354,810		354,810
Other assets		—		12,016		12,016
TOTAL ASSETS		110,356		522,687		633,043
LIABILITIES
Losses and loss adjustment expenses		56,160		427,567		483,727
Insurance and reinsurance balances payable		—		59,304		59,304
Unearned premium		—		10,412		10,412
TOTAL LIABILITIES		56,160		497,283		553,443
NET ASSETS ACQUIRED AT FAIR VALUE	$	54,196	$	25,404	$	79,600

From the date of acquisition to December 31, 2013, the Company earned premiums of $21.3 million, recorded losses incurred of $11.8 million on those earned premiums, and recorded $9.8 million in net earnings related to Arden in its consolidated statement of earnings.

Pavonia

On March 31, 2013, the Company and its wholly-owned subsidiary, Pavonia Holdings (US), Inc., completed the acquisition of all of the shares of Household Life Insurance Company of Delaware (“HLIC DE”) and HSBC Insurance Company of Delaware (“HSBC DE”) from Household Insurance Group Holding Company, a subsidiary of HSBC Holdings plc. HLIC DE and HSBC DE are both Delaware-domiciled insurers in run-off. HLIC DE owns three other insurers domiciled in Michigan, New York, and Arizona, which are also in run-off (collectively with HLIC DE and HSBC DE, the “Pavonia companies”). The aggregate cash purchase price was $155.6 million and was financed in part by a drawing of $55.7 million under the Company’s revolving credit facility. The Pavonia companies wrote various U.S. and Canadian life insurance, including credit life and disability insurance, term life insurance, assumed life reinsurance and annuities.

The purchase price and fair value of the assets acquired in the Pavonia acquisition were as follows:

Purchase price	$	155,564
Net assets acquired at fair value	$	155,564

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading, at fair value	$	40,404
Short-term investments, held-to-maturity, at fair value		10,268
Fixed maturities, trading, at fair value		329,985
Fixed maturities, held-to-maturity, at fair value		876,474
Total investments		1,257,131
Cash and cash equivalents		81,849
Accrued interest receivable		15,183
Funds held by reinsured companies		47,761
Other assets		59,002
TOTAL ASSETS		1,460,926
LIABILITIES
Policyholder benefits for life and annuity contracts		1,255,632
Reinsurance balances payable		39,477
Unearned premium		5,618
Other liabilities		4,635
TOTAL LIABILITIES		1,305,362
NET ASSETS ACQUIRED AT FAIR VALUE	$	155,564

As of March 31, 2013, the date of acquisition of the Pavonia companies, all of the companies were either in run-off or, immediately following the acquisition, were placed into run-off, and accordingly are no longer writing any new policies. The Pavonia companies will continue to collect premiums in relation to the unexpired policies assumed on acquisition.

For the period from the date of the acquisition to December 31, 2013, the Company had earned premiums of $92.2 million, recorded life and annuity benefits and acquisition costs of $88.6 million on those earned premiums, and recorded $3.7 million in net earnings related to the Pavonia companies in its consolidated statement of earnings.

SeaBright

On February 7, 2013, the Company completed its acquisition of SeaBright, through the merger of its indirect, wholly-owned subsidiary, AML Acquisition, Corp. (“AML Acquisition”), with and into SeaBright (the “Merger”), with SeaBright surviving the Merger as the Company’s indirect, wholly-owned subsidiary. SeaBright owns SeaBright Insurance Company, an Illinois-domiciled insurer that is commercially domiciled in California, which wrote direct workers’ compensation business. The aggregate cash purchase price paid by the Company for all equity securities of SeaBright was approximately $252.1 million, which was funded in part with $111.0 million borrowed under a four-year term loan facility provided by National Australia Bank (“NAB”) and Barclays Bank PLC.

Immediately following the acquisition, SeaBright was placed into run-off, and accordingly is no longer writing new insurance policies. Since its acquisition, SeaBright had renewed expiring insurance policies when it was obligated to do so by regulators, but has received approvals from all states relieving it of this obligation to renew any further policies.

The purchase price and fair value of the assets acquired in the SeaBright acquisition were as follows:

Purchase price	$	252,091
Net assets acquired at fair value	$	252,091

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading, at fair value	$	25,171
Fixed maturities, trading, at fair value		683,780
Total investments		708,951
Cash and cash equivalents		41,846
Accrued interest receivable		6,344
Premiums receivable		112,510
Reinsurance balances recoverable		117,462
Other assets		4,515
TOTAL ASSETS		991,628
LIABILITIES
Losses and loss adjustment expenses		592,774
Unearned premium		93,897
Loans payable		12,000
Insurance balances payable		3,243
Other liabilities		37,623
TOTAL LIABILITIES		739,537
NET ASSETS ACQUIRED AT FAIR VALUE	$	252,091

The net unearned premiums acquired include a decrease of $14.4 million to adjust net unearned premiums to fair value. This fair value adjustment is included within unearned premiums on the consolidated balance sheet. This amount has been amortized to acquisition costs in the consolidated statements of earnings during 2013. The amortization approximates the amount of SeaBright’s deferred acquisition costs that would have been recognized as acquisition costs had they not been fair valued under acquisition accounting. As at December 31, 2013, this fair value adjustment was fully amortized.

Gross and net premiums written by SeaBright from the date of the acquisition to December 31, 2013 totaled $17.8 million and $9.2 million, respectively. Because SeaBright’s exit from the mandatory renewal process was approved, the Company expects that SeaBright will no longer generate premiums written other than for small adjustments related to premium audits and reinstatement premiums on previously written policies.

From the date of acquisition to December 31, 2013, the Company earned premiums of $112.8 million, recorded losses incurred and acquisition costs of $86.6 million on those earned premiums, and recorded $3.5 million in net losses related to SeaBright in its consolidated statement of earnings.

Pro Forma Financial Information — Atrium, Arden and the Pavonia companies (Unaudited)

The following pro forma condensed combined statement of earnings for the years ended December 31, 2013 and 2012 combines the historical consolidated statements of earnings of the Company (inclusive of those of SeaBright since its acquisition on February 7, 2013) with those of Atrium, Arden and Pavonia, giving effect to the business combinations and related transactions of Atrium, Arden and Pavonia as if they had occurred on January 1, 2013 and 2012, respectively. For the year ended December 31, 2013, the results shown for Atrium, Arden and Pavonia represent their results from January 1, 2013 to the respective date of each acquisition. The results for Atrium, Arden and Pavonia post-acquisition are included in the results shown for the Company.

The pro forma financial information presented below is for informational purposes only and is not necessarily indicative of the results of operations that would have been achieved if the acquisitions of Atrium, Arden and the Pavonia companies had taken place on January 1, 2013 or 2012, respectively.

				Unaudited
Twelve Months Ended December 31, 2013	Enstar Group Limited			Atrium			Arden			Pavonia			Pro forma Adjustments			Enstar Group Limited - Pro Forma
Total income	$	416,570		$	91,126		$	15,911		$	48,275		$	—		$	571,882
Total expenses		(192,748	)		(68,545	)		(18,783	)		(48,094	)		(9,531	)		(337,701	)
Noncontrolling interest		(15,218	)		—			—			—			(7,170	)		(22,388	)
Net earnings	$	208,604		$	22,581		$	(2,872	)	$	181		$	(16,701	)	$	211,793
Net earnings per ordinary share —basic																$	12.82
Net earnings per ordinary share —diluted																$	12.68
Weighted average ordinary shares outstanding — basic																	16,523,369
Weighted average ordinary shares outstanding — diluted																	16,703,442

Summary of the Pro Forma Adjustments to the Pro Forma Condensed Combined Statement of Earnings for the Twelve Months Ended December 31, 2013 (Unaudited):

		Unaudited
Expenses		Atrium			Arden			Pavonia			Total
(i)	Adjustment to interest expense to reflect the financing costs of the acquisition for the year	$	(3,105	)	$	(1,111	)	$	(442	)	$	(4,658	)
(ii)	Adjustment to recognize amortization of definite lived intangible assets		(2,033	)		(218	)		(2,825	)		(5,076	)
(iii)	Net adjustment related to the unlocking and reassessment of the actuarial estimates of the business acquired		—			—			(2,166	)		(2,166	)
(iv)	Adjustment to income taxes for pro forma adjustments		467			—			1,902			2,369
		$	(4,671	)	$	(1,329	)	$	(3,531	)	$	(9,531	)
(v)	Adjustment to noncontrolling interest for pro forma adjustments	$	(8,406	)	$	1,236		$	—		$	(7,170	)

				Unaudited
Twelve Months Ended December 31, 2012	Enstar Group Limited			Atrium			Arden			Pavonia			Pro forma Adjustments			Enstar Group Limited - Pro Forma
Total income	$	163,453		$	82,343		$	199,939		$	280,227		$	—		$	725,962
Total expenses		28,066			(52,277	)		(108,185	)		(267,983	)		(21,855	)		(422,234	)
Noncontrolling interest		(23,502	)		—			—			—			(47,971	)		(71,473	)
Net earnings	$	168,017		$	30,066		$	91,754		$	12,244		$	(69,826	)	$	232,255
Net earnings per ordinary share — basic																$	14.13
Net earnings per ordinary share — diluted																$	13.96
Weighted average ordinary shares outstanding — basic																	16,441,461
Weighted average ordinary shares outstanding — diluted																	16,638,021

Summary of the Pro Forma Adjustments to the Pro Forma Condensed Combined Statement of Earnings for the Twelve Months Ended December 31, 2012 (Unaudited):

		Unaudited
Expenses		Atrium			Arden			Pavonia			Total
(i)	Adjustment to interest expense to reflect the financing costs of the acquisition for the year	$	(3,685	)	$	(1,854	)	$	(2,227	)	$	(7,766	)
(ii)	Adjustment to recognize amortization of definite lived intangible assets		(2,033	)		(327	)		(11,300	)		(13,660	)
(iii)	Net adjustment related to the unlocking and reassessment of the actuarial estimates of the business acquired		—			—			(8,664	)		(8,664	)
(iv)	Adjustment to income taxes for pro forma adjustments		468			—			7,767			8,235
		$	(5,250	)	$	(2,181	)	$	(14,424	)	$	(21,855	)
(v)	Adjustment to noncontrolling interest for pro forma adjustments	$	(11,400	)	$	(36,571	)	$	—		$	(47,971	)

2011

Clarendon

On July 12, 2011, the Company, through its wholly-owned subsidiary, Clarendon Holdings, Inc., completed the acquisition of 100% of the shares of Clarendon National Insurance Company (“Clarendon”) from Clarendon Insurance Group, Inc., an affiliate of Hannover Re (“Hannover”). Clarendon is a New Jersey-domiciled insurer that is in run-off. Clarendon owns three other insurers, two domiciled in New Jersey and one domiciled in Florida, that are also in run-off. The purchase price was $219.1 million and was financed in part by $106.5 million under a four-year term loan facility provided by NAB and the remainder from available cash on hand.

In addition, on July 12, 2011, the Company, through its wholly-owned subsidiary, Fitzwilliam Insurance Limited (“Fitzwilliam”), in connection with the acquisition of Clarendon, entered into a reinsurance agreement with Hannover, which provides adverse development cover (“ADC”) to Clarendon to reinsure Hannover for the first $80.0 million of the ADC. The Company provided a parental guarantee to Hannover in the amount of $80.0 million supporting the obligations of Fitzwilliam.

The purchase price and fair value of the assets acquired in the Clarendon acquisition were as follows:

Purchase price	$	219,077
Net assets acquired at fair value	$	219,077

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading	$	60,376
Fixed maturities, trading		623,530
Equities		5,014
Total investments		688,920
Cash and cash equivalents		138,518
Restricted cash and cash equivalents		7,198
Reinsurance balances recoverable		1,065,341
Accrued interest and other receivables		9,655
TOTAL ASSETS		1,909,632
LIABILITIES
Losses and loss adjustment expenses		1,654,436
Insurance and reinsurance balances payable		1,942
Funds withheld		26,277
Accounts payable		7,900
TOTAL LIABILITIES		1,690,555
NET ASSETS ACQUIRED AT FAIR VALUE	$	219,077

Laguna

On March 25, 2011, the Company, through its wholly-owned subsidiary, Kenmare, completed the acquisition of Laguna Life Limited, formerly known as CitiLife Financial Limited (“Laguna”), from Citigroup Insurance Holding Corporation (“Citigroup”), an affiliate of Citigroup Inc. Laguna is an Ireland-based life insurer that is in run-off. The purchase price was €15.0 million (approximately $21.2 million) and was funded from available cash on hand. The originally disclosed purchase price of €30.0 million (approximately $42.4 million) was reduced, prior to completion of the acquisition, after Citigroup received approval from Laguna’s regulator to distribute €15.0 million (approximately $21.2 million) to its shareholders.

The purchase price and fair value of the net assets acquired in the Laguna acquisition were as follows:

Purchase price	$	21,223
Net assets acquired at fair value	$	34,328
Excess of net assets over purchase price (gain on bargain purchase)	$	(13,105	)

The gain on bargain purchase of approximately $13.1 million, relating to the acquisition of Laguna, arose primarily as a result of the reassessment by the Company, upon acquisition, of the total required estimated costs to manage the business to expiry. The Company’s assessment of costs was lower than the acquired costs recorded by the vendor in the financial statements of Laguna.

The following summarizes the estimated fair values of the assets acquired and the liabilities assumed as of the date of acquisition:

ASSETS
Short-term investments, trading	$	1,154
Fixed maturities, trading		30,765
Total investments		31,919
Cash and cash equivalents		13,274
Reinsurance balances recoverable		1,459
Other assets		1,325
TOTAL ASSETS		47,977
LIABILITIES
Losses and loss adjustment expenses		11,898
Accounts payable		1,751
TOTAL LIABILITIES		13,649
NET ASSETS ACQUIRED AT FAIR VALUE	$	34,328

XML

Acquisitions - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed as of Date of Acquisition (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Pavonia [Member]	Dec. 31, 2013 SeaBright [Member]	Dec. 31, 2013 Clarendon [Member]	Jul. 12, 2011 Clarendon [Member]	Dec. 31, 2013 Laguna [Member]	Dec. 31, 2013 Atrium [Member]	Dec. 31, 2013 Arden [Member]	Dec. 31, 2013 Arden [Member] Active Underwriting [Member]	Dec. 31, 2013 Arden [Member] Non-Life Run-Off [Member]
ASSETS
Short-term investments, available-for-sale, at fair value									$ 33,535
Short-term investments, trading, at fair value				40,404	25,171	60,376		1,154	12,526	28,852	16,340	12,512
Fixed maturities, available-for-sale, at fair value									156,142
Short-term investments, held-to-maturity, at fair value				10,268
Fixed maturities, trading, at fair value				329,985	683,780	623,530		30,765	10,751	55,428	9,351	46,077
Fixed maturities, held-to-maturity, at fair value				876,474
Other investments										2,867		2,867
Equities						5,014
Total investments				1,257,131	708,951	688,920		31,919	212,954	87,147	25,691	61,456
Cash and cash equivalents				81,849	41,846	138,518		13,274	44,842	23,037		23,037
Restricted cash and cash equivalents						7,198			12,305	31,812	10,213	21,599
Accrued interest and other receivables				15,183	6,344	9,655
Funds held by reinsured companies				47,761
Premiums receivable					112,510				41,855	124,221	74,452	49,769
Reinsurance balances recoverable					117,462	1,065,341		1,459	32,375	354,810		354,810
Deferred premium									26,224
Funds withheld									19,579
Intangibles									90,000
Other assets				59,002	4,515			1,325	7,977	12,016		12,016
TOTAL ASSETS				1,460,926	991,628	1,909,632		47,977	488,111	633,043	110,356	522,687
LIABILITIES
Losses and loss adjustment expenses					592,774	1,654,436		11,898	216,319	483,727	56,160	427,567
Policyholder benefits for life and annuity contracts				1,255,632
Insurance and reinsurance balances payable						1,942			20,834	59,304		59,304
Reinsurance balances payable				39,477
Funds withheld						26,277
Accounts payable						7,900		1,751
Unearned premium				5,618	93,897				42,738	10,412		10,412
Deferred taxes									39,740
Loans payable					12,000
Insurance balances payable					3,243
Other liabilities				4,635	37,623				49,328
TOTAL LIABILITIES				1,305,362	739,537	1,690,555		13,649	368,959	553,443	56,160	497,283
NET ASSETS ACQUIRED AT FAIR VALUE				155,564	252,091	219,077	219,100	34,328	119,152	79,600	54,196	25,404
Goodwill	60,070	21,222	21,222						38,848
ACQUISITION DATE FAIR VALUE									$ 158,000

XML

Reinsurance Balances Recoverable - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	$ 1,363,819,000	$ 1,122,919,000
Reinsurance balance recoverable	(430,542,000)	(666,793,000)	(238,818,000)
Provision for uncollectible reinsurance recoverable relating to total reinsurance recoverable	338,600,000	343,900,000
Ratio of provision for uncollectible reinsurance recoverable to reinsurance balances receivable	19.90%	23.40%
Percentage of top ten reinsurers reinsurance balances recoverable	100.00%	100.00%
Losses incurred but not reported	413,344,000	295,922,000
Ceded Credit Risk, Concentrated Credit Risk [Member] | Top Ten Reinsurers [Member]
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	930,943,000	708,953,000
Percentage of top ten reinsurers reinsurance balances recoverable	68.30%	63.10%
Losses incurred but not reported	290,100,000	194,500,000
Ceded Credit Risk, Concentrated Credit Risk [Member] | One BBB+ Rated [Member] | Standard & Poor's, BBB+ Rating [Member]
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	41,400,000	37,700,000
Ceded Credit Risk, Concentrated Credit Risk [Member] | Non-Rated Reinsurer [Member]
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	256,200,000
Ceded Credit Risk, Concentrated Credit Risk [Member] | One Reinsurer Accounting for More than 10% of Total Reinsurance Balances Receivable [Member]
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	256,200,000	144,100,000
Reinsurance recoverable secured by trust funds	256,200,000	121,700,000
Reinsurance recoverable major reinsurer	10.00%
Non-Life Run-Off [Member]
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	1,298,992,000	1,122,628,000
Reinsurance balance recoverable	208,900,000
Losses incurred but not reported	402,675,000	295,922,000
Life and Annuity [Member]
Effects of Reinsurance [Line Items]
Reinsurance balances recoverable	31,927,000	291,000
Losses incurred but not reported	$ 782,000

XML

Employee Benefits - Components of Salaries and Benefits (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee Benefit Plans [Line Items]
Salaries and benefits													$ 83,563	$ 63,689	$ 55,642
Defined contribution pension plan expense													6,023	4,240	4,864
Total salaries and benefits	45,603	29,716	25,687	23,610	30,505	25,138	24,379	20,451	41,818	20,923	16,723	10,382	124,616	100,473	89,846
Equity Incentive Plan [Member]
Employee Benefit Plans [Line Items]
2006 equity plan													2,923	2,894	2,662
Annual Incentive Plan [Member]
Employee Benefit Plans [Line Items]
2006 equity plan													$ 32,107	$ 29,650	$ 26,678

XML

Investments - Amortized Cost and Estimated Fair Values of Company's Fixed Maturity Securities Classified as Available-for-Sale (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 243,302	$ 245,396
Gross Unrealized Holding Gains	3,501	6,452
Gross Unrealized Holding Losses Non-OTTI	(439)	(727)
Fair Value	246,364	251,121
U.S. Government and Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	28,050	4,503
Gross Unrealized Holding Gains	303	454
Gross Unrealized Holding Losses Non-OTTI	(10)
Fair Value	28,343	4,957
Non-U.S. Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	84,443	120,634
Gross Unrealized Holding Gains	1,871	3,373
Gross Unrealized Holding Losses Non-OTTI	(22)	(151)
Fair Value	86,292	123,856
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	76,942	115,139
Gross Unrealized Holding Gains	1,221	2,379
Gross Unrealized Holding Losses Non-OTTI	(259)	(524)
Fair Value	77,904	116,994
Residential Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	17,523	4,308
Gross Unrealized Holding Gains	102	230
Gross Unrealized Holding Losses Non-OTTI	(118)	(40)
Fair Value	17,507	4,498
Commercial Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		474
Gross Unrealized Holding Gains		7
Gross Unrealized Holding Losses Non-OTTI
Fair Value		481
Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	36,344	338
Gross Unrealized Holding Gains	4	9
Gross Unrealized Holding Losses Non-OTTI	(30)	(12)
Fair Value	$ 36,318	$ 335

XML

Retained Earnings and Statutory Restrictions

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Retained Earnings and Statutory Restrictions

20.    RETAINED EARNINGS AND STATUTORY RESTRICTIONS

Restrictions on the Payment of Dividends

The Company’s ability to pay dividends to its shareholders is dependent upon the ability of its insurance and reinsurance subsidiaries to distribute capital and pay dividends to it. The Company’s insurance and reinsurance subsidiaries are subject to certain regulatory restrictions on the distribution of capital and payment of dividends in the jurisdictions in which they operate as more fully described below. The restrictions are generally based on net income or levels of capital and surplus as determined in accordance with the relevant statutory accounting practices. Failure of these subsidiaries to meet their applicable regulatory requirements could result in restrictions on any distributions of capital or retained earnings and/or stricter regulatory oversight of the subsidiaries. In addition, the Company’s ability to pay dividends and make other forms of distributions is further limited by repayment obligations in the Company’s outstanding loan facility agreements.

As at December 31, 2013, the amount of consolidated retained earnings of the Company that was free of restrictions and therefore potentially available to be distributed to the Company’s ordinary shareholders was $1,177.5 million (2012: $972.9 million). This amount is held primarily within our insurance and reinsurance subsidiaries and represents retained earnings held in those companies in excess of their minimum regulatory requirements. Although these amounts are in excess of statutory minimums, regulators may nonetheless further restrict distributions, and therefore actual amounts available for distribution to shareholders are likely to be significantly less. In addition, the Company does not intend to pay dividends on its ordinary shares, as it intends instead to reinvest any distributions from its subsidiaries back into the Company, primarily as a means to fund future acquisitions.

Statutory Restrictions

The Company’s insurance and reinsurance subsidiaries prepare their statutory financial statements in conformity with statutory accounting practices prescribed or permitted by the applicable local regulatory authority. The statutory financial statements may vary materially from statements prepared in accordance with U.S. GAAP.

The statutory capital and surplus amounts for the years ended December 31, 2013 and 2012 and statutory net income (loss) amounts for the years ended December 31, 2013, 2012 and 2011 for the Company’s insurance and reinsurance subsidiaries based in Bermuda, the United Kingdom, Australia, the United States and Europe were as follows:

	Statutory Capital and Surplus
	Minimum Required				Actual				Statutory Income (Loss)
	2013		2012		2013		2012		2013		2012			2011
Bermuda	$	109,010	$	92,606	$	833,263	$	627,335	$	103,852	$	98,247		$	80,022
U.K.	$	83,410	$	80,324	$	592,992	$	506,459	$	76,685	$	64,015		$	114,403
Australia	$	65,894	$	82,007	$	99,174	$	94,042	$	19,131	$	4,651		$	13,979
U.S.	$	138,331	$	102,114	$	879,947	$	445,818	$	4,725	$	(42,109	)	$	(8,234	)
Europe	$	12,965	$	38,642	$	142,216	$	173,974	$	11,035	$	7,578		$	22,356

The Company’s insurance and reinsurance subsidiaries are subject to insurance laws and regulations in the jurisdictions in which they operate, including Bermuda, the United Kingdom, Australia, the United States and Europe. Certain material aspects of these laws and regulations as they relate to solvency, dividends and capital and surplus are summarized below.

Bermuda — Non-life Run-off / Active Underwriting

The Company’s Bermuda-based insurance and reinsurance subsidiaries are registered under the Insurance Act 1978 of Bermuda and related regulations, as amended (the “Insurance Act”). The Insurance Act requires that the Company’s Bermuda-based insurance and reinsurance subsidiaries maintain certain solvency and liquidity standards. The minimum liquidity ratio requires that the value of relevant assets must not be less than 75% of the amount of relevant liabilities. The minimum solvency margin, which varies depending on the class of the insurer, is determined as a percentage of either net reserves for losses and loss expenses or premiums or pursuant to a risk-based capital measure.

Each of the Company’s regulated Bermuda insurance and reinsurance subsidiaries would be prohibited from declaring or paying any dividends if it were in breach of its minimum solvency margin (which is a function of outstanding losses) or liquidity ratio (which is a function of relevant assets) or if the declaration or payment of such dividends would cause it to fail to meet such margin or ratio. In addition, each of the Company’s regulated Bermuda insurance and reinsurance subsidiaries is prohibited, without the prior approval of the Bermuda regulator, from reducing by 15% or more its total statutory capital as set out in its previous year’s statutory financial statements. In addition, the Company’s Bermuda insurance companies that are in run-off are required to seek regulatory approval for any dividends or distributions.

As of December 31, 2013 and 2012, each of the Company’s Bermuda-based insurance and reinsurance subsidiaries exceeded their respective minimum solvency and liquidity requirements. The Bermuda insurance and reinsurance subsidiaries in aggregate exceeded minimum solvency requirements by $724.3 million as of December 31, 2013 (2012: $534.7 million) and exceeded minimum liquidity requirements by $459.1 million as of December 31, 2013 (2012: $369.4 million).

United Kingdom — Non-life Run-off

The Company’s U.K. based insurance subsidiaries are regulated by the U.K. Prudential Regulatory Authority (the “PRA”) and the Financial Conduct Authority (the “FCA”), which together replaced the Financial Services Authority effective April 1, 2013 (the PRA and FCA collectively, the “U.K. Regulator”).

The Company’s U.K.-based insurance subsidiaries are required to maintain adequate financial resources in accordance with the requirements of the U.K. Regulator. The calculation of the minimum capital resources requirements in any particular case depends on, among other things, the type and amount of insurance business written and claims paid by the insurance company. As at December 31, 2013 and 2012, all of the Company’s U.K. insurance subsidiaries maintained capital in excess of the minimum capital resources requirements (or received a waiver from the U.K. Regulator from the requirement to remedy any shortfall) and complied with the relevant U.K. Regulator requirements. The U.K.-based insurance subsidiaries, in aggregate, maintained capital in excess of the minimum capital resources requirements by $509.6 million and $426.1 million as of December 31, 2013 and 2012, respectively.

In addition, the U.K. Regulator’s Individual Capital Adequacy Standards framework (“ICAS framework”), requires insurance companies to carry out various capital modeling and risk management exercises in order to calculate a company-specific Individual Capital Assessment amount (“ICA amount”), which is the company’s internal calculation of its capital requirements under the ICAS framework. This is intended to ensure a company holds sufficient capital such that there is no material risk that its liabilities cannot be met as they fall due. In 2009, the European Parliament approved the Solvency II framework directive. Solvency II is expected to take effect in January 2016. Solvency II will set out new, strengthened EU-wide requirements on capital adequacy and risk management for insurers with the aim of increasing policyholder protection, instilling greater risk awareness and improving the international competitiveness of EU insurers.

The U.K. Regulator’s rules require the Company’s U.K. insurance subsidiaries to obtain regulatory approval for any proposed or actual payment of a dividend. The U.K. Regulator uses the ICA and the estimated capital requirement for Solvency II purposes when assessing requests to make distributions and therefore dividends approved by the U.K. Regulator will often significantly differ from any surplus capital above the entity’s minimum capital resources requirements.

Lloyd’s — Non-life Run-off / Active Underwriting

As of December 31, 2013, the Company participated in the Lloyd’s market through its interests in: (i) Atrium Underwriting Group, which manages S609 and provides approximately one quarter of the syndicate’s capital; and (ii) Shelbourne, which consists of an approved Lloyd’s managing agent, a corporate member and S2008, a wholly aligned syndicate that has permission to underwrite RITC and other legacy or discontinued business type transactions with other Lloyd’s syndicates. The Lloyd’s market is currently in the Solvency II internal model application process under Lloyd’s supervision. The Company’s Lloyd’s operations will therefore be required to meet Solvency II standards when they come into effect.

The underwriting capacity of a member of Lloyd’s must be supported by providing a deposit (referred to as “Funds at Lloyd’s”) in the form of cash, securities or letters of credit in an amount determined under the ICA. The amount of the Funds at Lloyd’s is assessed annually and is determined by Lloyd’s in accordance with the capital adequacy rules established by the U.K. Regulator. In order to achieve finality and to release their capital, Lloyd’s members are usually required to have transferred their liabilities through an approved RITC, such as offered by S2008. RITC is generally put in place after the third year of operations of a syndicate year of account. On successful conclusion of RITC, any profit from the syndicate’s operations for that year of account can be remitted by the managing agent to the syndicate’s members.

The Company’s total capital commitment to S2008 and S609 was £133.0 million (approximately $220.2 million). The capital commitment was financed from available cash on hand of $146.2 million and a letter of credit of $74.0 million.

Australia — Non-life Run-off

The Company’s Australian insurance subsidiary is regulated and subject to prudential supervision by the Australian Prudential Regulation Authority (“APRA”). APRA is the primary regulatory body responsible for regulating compliance with the Insurance Act 1973. APRA’s prudential standards require that all insurers maintain and meet prescribed capital adequacy requirements to enable their insurance obligations to be met under a wide range of circumstances. As of January 1, 2013, APRA introduced capital reforms that have modified how Australian insurers meet their capital requirements and have introduced additional regulatory obligations with respect to capital oversight and capital reporting, which apply to our subsidiary. The new capital requirements were brought in to enhance and strengthen capital adequacy in the market and increase the level of internal oversight and review for insurers. The Company’s Australian insurance subsidiary meets the new capital requirements.

An insurer must obtain APRA’s written consent prior to making any capital releases, including any payment of dividends. The Company’s insurance subsidiary must provide APRA a valuation prepared by an appointed actuary that demonstrates that the tangible assets of the insurer, after the proposed capital reduction, are sufficient to cover its insurance liabilities to a 99.5% level of sufficiency of capital before APRA will consent to a capital release or dividend. As of December 31, 2013 and 2012, the Company’s Australian-based insurance subsidiary exceeded the required 99.5% level of sufficiency by $33.3 million and $12.0 million, respectively.

United States — Non-life Run-off

The Company’s U.S. non-life run-off insurance and reinsurance subsidiaries are subject to the insurance laws and regulations of the states in which they are domiciled, licensed and/or approved to conduct business. These laws restrict the amount of dividends the subsidiaries can pay to the Company. The restrictions are generally based on statutory net income and/or certain levels of statutory surplus as determined in accordance with the relevant statutory accounting requirements of the individual domiciliary states or states in which any of the insurance or reinsurance subsidiaries are domiciled. Generally, prior regulatory approval must be obtained before an insurer may pay a dividend or make a distribution above a specified level.

The U.S. subsidiaries are required to file annual statements with insurance regulatory authorities prepared on a statutory basis prescribed or permitted by such authorities. Statutory accounting principles differ from U.S. GAAP in the treatment of various items, including treatment of deferred acquisition costs, deferred income taxes, required investment reserves, reserve calculation assumptions and surplus notes. For all of the Company’s U.S. insurance and reinsurance subsidiaries, with the exception of one subsidiary, there are no prescribed or permitted statutory accounting practices that differ significantly from the statutory accounting principles established by the National Association of Insurance Commissioners (“NAIC”). In 2013, one of the Company’s U.S. insurance and reinsurance subsidiaries increased reserves for adjusting and other expenses in its statutory financial statements. As at December 31, 2012, these reserves of approximately $47.0 million had been recorded at its immediate parent company level. This had no impact on the consolidated financial statements for the Company. The same U.S. insurance and reinsurance subsidiary also has a permitted accounting practice to treat an adverse development cover reinsurance agreement as prospective reinsurance. The U.S. insurance and reinsurance subsidiaries are also required to maintain minimum levels of solvency and liquidity as determined by law, and to comply with risk-based capital requirements and licensing rules.

As of December 31, 2013 and 2012, all of the Company’s U.S. non-life run-off insurance and reinsurance subsidiaries exceeded their required levels of risk-based capital, with the exception of one subsidiary that was acquired while under supervision. On an aggregate basis, the U.S.-based non-life run-off insurance and reinsurance subsidiaries (excluding the subsidiary under supervision) exceeded their minimum levels of risk-based capital as of December 31, 2013 and 2012 by $642.7 million and $354.3 million, respectively; the subsidiary under regulatory supervision was below its minimum required risk-based capital level by approximately $5.6 million as of December 31, 2013 (2012: $10.6 million). As a consequence of being under regulatory supervision, the subsidiary’s regulator must approve any and all disbursements, new contracts or agreements. The Company does not believe this subsidiary’s non-compliance presents material risk to the Company’s operations or financial condition.

United States/Canada — Life and Annuities

The Company’s life and annuities subsidiaries file financial statements with state insurance regulatory authorities and the NAIC in the United States and the Office of Superintendent of Financial Institutions (“OSFI”) in Canada (as a result of one of the Company’s subsidiaries having a Canadian branch operation). Such statements are prepared in accordance with Statutory Accounting Principles (“SAP”) prescribed or permitted by such authorities which may vary materially from GAAP. SAP includes the Accounting Practices and Procedures Manual of the NAIC as well as other laws, regulations and administrative rules promulgated by the state insurance departments. SAP encompasses all accounting practices not so prescribed. The principal differences between statutory financial statements and financial statements prepared in accordance with GAAP are that statutory financial statements do not reflect deferred acquisition costs, some bond portfolios may be carried at amortized cost, assets and liabilities are presented net of reinsurance, contract holder liabilities are generally valued using more conservative assumptions and certain assets are non-admitted. Accordingly, statutory

operating results and statutory capital and surplus may differ substantially from amounts reported in the GAAP basis financial statements for comparable items.

The Company’s life and annuity companies are subject to certain Risk-Based Capital (“RBC”) requirements as specified by the NAIC and OSFI. RBC is used to evaluate the adequacy of capital and surplus maintained by the Company’s life and annuities companies in relation to risks associated with: (i) asset risk; (ii) insurance risk; (iii) interest rate risk and (iv) business risk.

As of December 31, 2013, the Company’s life and annuities subsidiaries exceeded their minimum RBC requirements by $104.5 million. These subsidiaries are restricted by state laws and regulations as to the amount of dividends they may pay to their parent without regulatory approval in any year, the purpose of which is to protect affected insurance policyholders, depositors or investors. Any dividends in excess of limits are deemed “extraordinary” and require approval. As of December 31, 2013, the maximum dividend payout which may be made without prior approval is $nil.

Europe — Non-life Run-off

The Company’s Swiss insurance subsidiary is regulated by the Swiss Financial Market Supervisory Authority (“FINMA”) pursuant to the Insurance Supervisory Act 2004. This subsidiary is obligated to maintain a minimum solvency margin based on the Solvency I and Swiss Solvency Test regulations (“SST”) as stipulated by the Insurance Supervisory Act. As of December 31, 2013 and 2012, this subsidiary exceeded the Solvency I requirements by $118.1 million (2012: $103.9 million) and exceeded the SST requirements by $67.4 million (2012: $44.9 million). The amount of dividends that this subsidiary is permitted to distribute is restricted to freely distributable reserves, which consist of retained earnings, the current year profit and legal reserves. Any dividend exceeding the current year profit requires FINMA’s approval. The solvency and capital requirements must continue to be met following any distribution. During 2013, the Company exited Belgium, Denmark and Sweden.

Europe — Life and Annuities

One of the Company’s life insurance subsidiaries files its audited financial statements with the Companies Registration Office in Ireland. The financial statements are prepared in accordance with the provisions of the Companies Act, 1963 to 2013, and the European Communities (Insurance Undertakings: Accounts) Regulations, 1996.

The financial statements of this subsidiary are prepared in accordance with applicable accounting standards under the historical cost convention, as modified by the revaluation of investments, and comply with financial reporting standards of the Accounting Standards Board, as promulgated by the Institute of Chartered Accountants in Ireland.

In addition, this subsidiary files audited regulatory returns with the Central Bank of Ireland. The returns are prepared in accordance with the European Communities (Life Assurance) Framework Regulations, 1994. The Company has exceeded the minimum required solvency margin as at December 31, 2013 and 2012 by $11.0 million and $11.7 million, respectively. The subsidiary cannot make any distributions with the prior approval of the Central Bank of Ireland, any such payments must be paid within six months of the most recent actuarial investigation, the purpose of which is ensure that the subsidiary’s insurance policyholders are not negatively affected.

Restricted net assets of consolidated subsidiaries

As at December 31, 2013, the total amount of net assets of the Company’s consolidated subsidiaries that were restricted was $732.5 million (2012: $617.2 million).

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Related Party Transactions - Additional Information (Detail)					12 Months Ended						12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2013 Non-Life Run-Off [Member] USD ($)	Dec. 31, 2012 Non-Life Run-Off [Member] USD ($)	Dec. 31, 2013 Global Atlantic Financial Group [Member] USD ($)	Dec. 31, 2013 Global Atlantic Financial Group [Member] Non-Life Run-Off [Member] USD ($)	Dec. 31, 2013 Trident Parallel VI Fund [Member] Subsequent Event [Member] Maximum [Member] USD ($)	Dec. 31, 2013 Trident [Member] USD ($) Investment	Dec. 31, 2013 Sound Point Capital [Member] USD ($)	Dec. 31, 2013 Sound Point Capital [Member] Mr. Carey [Member]	Dec. 31, 2013 Goldman Sachs [Member] USD ($) Investment	Dec. 31, 2013 Goldman Sachs [Member] Non-Voting Convertible Common Stock [Member]	Dec. 31, 2013 Hastings Insurance Group Limited [Member] Subsequent Event [Member] GBP (£) Company
Related Party Transaction [Line Items]
Percentage of Company's ordinary shares acquired								9.70%
Fair value of the investments in funds								$ 87,700,000	$ 21,600,000		$ 3,200,000
Investments of funds affiliated with entities								2			1
Indirect ownership interest										4.00%
Net realized and unrealized gains									1,200,000
Future investment in funds							20,000,000
Ordinary shares					22.00%						4.80%	100.00%
Investment in indirect non-voting interests of affiliated companies													12,500,000
Indirect non-voting investments in number of companies													2
Reinsurance recoverable	1,363,819,000	1,122,919,000	1,298,992,000	1,122,628,000	340,800,000
Reinsurance recoverable secured in a trust account						256,100,000
Reinsurance recoverable major reinsurer						10.00%
Reinsurance recoverable unsecured by trust account						$ 84,700,000

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Schedule II - Condensed Statements of Earnings (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INCOME
Net investment income	$ 23,071	$ 25,009	$ 27,252	$ 17,963	$ 16,765	$ 19,658	$ 20,894	$ 20,443	$ 15,571	$ 18,498	$ 19,059	$ 15,548	$ 93,295	$ 77,760	$ 68,676
Total income	133,399	123,091	77,889	82,191	38,500	50,704	25,256	48,993	29,036	12,801	31,508	39,051	416,570	163,453	112,396
EXPENSES
Salaries and benefits	45,603	29,716	25,687	23,610	30,505	25,138	24,379	20,451	41,818	20,923	16,723	10,382	124,616	100,473	89,846
General and administrative expenses	19,538	29,126	20,002	17,946	13,169	14,409	14,156	14,858	5,090	20,759	28,211	17,750	86,612	56,592	71,810
Interest expense	3,593	3,270	3,091	2,435	2,540	1,713	2,062	2,111	2,431	2,435	1,697	1,966	12,389	8,426	8,529
Net foreign exchange (gains) losses	(375)	(673)	(8,403)	5,082	(2,212)	977	(627)	2,268	(15)	(8,878)	1,932	7,334	(4,369)	406	373
Total expenses	(22,677)	78,295	48,149	61,362	(55,213)	(19,488)	(27,499)	29,844	(156,542)	(13,683)	15,519	33,360	157,129	(72,356)	(121,346)
EARNINGS (LOSS) BEFORE EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES	164,076	44,796	29,740	20,829	93,713	70,192	52,755	19,149	185,578	26,484	15,989	5,691	259,441	235,809	233,742
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	137,461	39,987	19,197	11,959	69,906	47,716	40,721	9,674	128,751	12,064	9,375	3,503	208,604	168,017	153,693
Enstar Group Limited [Member]
INCOME
Net investment income													8,561	8,365	3,928
Dividend income from subsidiaries													27,118	92,450	18,900
Total income													35,679	100,815	22,828
EXPENSES
Salaries and benefits													117	1,179	2,738
General and administrative expenses													15,747	3,816	17,566
Interest expense													10,475	11,505	9,813
Net foreign exchange (gains) losses													(1,696)	942	(29)
Total expenses													24,643	17,442	30,088
EARNINGS (LOSS) BEFORE EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES													11,036	83,373	(7,260)
EQUITY IN UNDISTRIBUTED EARNINGS OF SUBSIDIARIES													197,568	84,644	160,953
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED													$ 208,604	$ 168,017	$ 153,693

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Condensed Unaudited Quarterly Financial Data - Condensed Unaudited Quarterly Financial Data (Detail) (USD $)	3 Months Ended												12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Parent Company Only Financial Information [Line Items]
Net premiums earned													$ 239,807,000	$ 3,511,000	$ 3,543,000
Fees and commission income	5,012,000	2,398,000	2,960,000	2,447,000	2,657,000	1,944,000	1,775,000	2,194,000	10,154,000	1,623,000	2,045,000	4,036,000	12,817,000	8,570,000	17,858,000
Net investment income	23,071,000	25,009,000	27,252,000	17,963,000	16,765,000	19,658,000	20,894,000	20,443,000	15,571,000	18,498,000	19,059,000	15,548,000	93,295,000	77,760,000	68,676,000
Net realized and unrealized gains (losses)	31,440,000	37,010,000	(27,919,000)	30,120,000	18,259,000	28,280,000	1,691,000	25,382,000	2,231,000	(8,512,000)	9,133,000	6,362,000	70,651,000	73,612,000	9,214,000
Gain on bargain purchase												13,105,000			13,105,000
Total income	133,399,000	123,091,000	77,889,000	82,191,000	38,500,000	50,704,000	25,256,000	48,993,000	29,036,000	12,801,000	31,508,000	39,051,000	416,570,000	163,453,000	112,396,000
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned -non-life run-off													74,139,000
Losses incurred - active underwriting													19,352,000
Reduction in estimates of net ultimate losses	(134,068,000)	(27,850,000)	(48,500,000)	(5,062,000)	(97,895,000)	(58,506,000)	(58,417,000)	(3,298,000)	(173,924,000)	(43,615,000)	(28,079,000)	(2,612,000)	(215,480,000)	(218,116,000)	(248,230,000)
Increase (reduction) in provisions for bad debt	7,464,000	(5,465,000)			(329,000)		(527,000)	(2,255,000)	(38,751,000)	(2,399,000)	(1,672,000)		1,999,000	(3,111,000)	(42,822,000)
Reduction in provisions for unallocated loss adjustment expense liabilities	(111,000)	(16,320,000)	(16,795,000)	(16,403,000)	(2,206,000)	(12,579,000)	(11,661,000)	(12,852,000)	(7,669,000)	(14,113,000)	(11,783,000)	(11,537,000)	(49,629,000)	(39,298,000)	(45,102,000)
Amortization of fair value adjustments	(3,540,000)	5,025,000	2,369,000	2,093,000	4,207,000	8,538,000	2,240,000	7,587,000	16,782,000	8,865,000	6,969,000	10,077,000	5,947,000	22,572,000	42,693,000
Total net reduction in ultimate losses and loss adjustment expense liabilities	(125,056,000)	(20,374,000)	(27,403,000)	9,161,000	(96,223,000)	(62,547,000)	(68,365,000)	(10,818,000)	(203,562,000)	(51,262,000)	(34,565,000)	(4,072,000)	(163,672,000)	(237,953,000)	(293,461,000)
Life and annuity policy benefits	20,970,000	31,081,000	25,562,000	741,000	(2,992,000)	822,000	896,000	974,000	(2,304,000)	2,340,000	1,521,000		78,354,000	(300,000)	1,557,000
Acquisition costs	5,050,000	6,149,000	9,613,000	2,387,000									23,199,000
Salaries and benefits	45,603,000	29,716,000	25,687,000	23,610,000	30,505,000	25,138,000	24,379,000	20,451,000	41,818,000	20,923,000	16,723,000	10,382,000	124,616,000	100,473,000	89,846,000
General and administrative expenses	19,538,000	29,126,000	20,002,000	17,946,000	13,169,000	14,409,000	14,156,000	14,858,000	5,090,000	20,759,000	28,211,000	17,750,000	86,612,000	56,592,000	71,810,000
Interest expense	3,593,000	3,270,000	3,091,000	2,435,000	2,540,000	1,713,000	2,062,000	2,111,000	2,431,000	2,435,000	1,697,000	1,966,000	12,389,000	8,426,000	8,529,000
Net foreign exchange (gains) losses	(375,000)	(673,000)	(8,403,000)	5,082,000	(2,212,000)	977,000	(627,000)	2,268,000	(15,000)	(8,878,000)	1,932,000	7,334,000	(4,369,000)	406,000	373,000
Total Expenses	(22,677,000)	78,295,000	48,149,000	61,362,000	(55,213,000)	(19,488,000)	(27,499,000)	29,844,000	(156,542,000)	(13,683,000)	15,519,000	33,360,000	157,129,000	(72,356,000)	(121,346,000)
EARNINGS BEFORE INCOME TAXES	164,076,000	44,796,000	29,740,000	20,829,000	93,713,000	70,192,000	52,755,000	19,149,000	185,578,000	26,484,000	15,989,000	5,691,000	259,441,000	235,809,000	233,742,000
INCOME TAXES	(21,893,000)	(1,340,000)	(4,542,000)	(7,844,000)	(13,943,000)	(14,700,000)	(11,905,000)	(3,742,000)	(19,256,000)	(4,436,000)	(975,000)	(617,000)	(35,619,000)	(44,290,000)	(25,284,000)
NET EARNINGS	142,183,000	43,456,000	25,198,000	12,985,000	79,770,000	55,492,000	40,850,000	15,407,000	166,322,000	22,048,000	15,014,000	5,074,000	223,822,000	191,519,000	208,458,000
Less: Net earnings attributable to noncontrolling interest	(4,722,000)	(3,469,000)	(6,001,000)	(1,026,000)	(9,864,000)	(7,776,000)	(129,000)	(5,733,000)	(37,571,000)	(9,984,000)	(5,639,000)	(1,571,000)	(15,218,000)	(23,502,000)	(54,765,000)
NET EARNINGS ATTRIBUTABLE TO ENSTAR GROUP LIMITED	137,461,000	39,987,000	19,197,000	11,959,000	69,906,000	47,716,000	40,721,000	9,674,000	128,751,000	12,064,000	9,375,000	3,503,000	208,604,000	168,017,000	153,693,000
EARNINGS PER SHARE - BASIC:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$ 8.32	$ 2.42	$ 1.16	$ 0.72	$ 4.25	$ 2.90	$ 2.48	$ 0.59	$ 8.89	$ 0.85	$ 0.67	$ 0.27	$ 12.62	$ 10.22	$ 11.03
EARNINGS PER SHARE - DILUTED:
Net earnings per ordinary share attributable to Enstar Group Limited shareholders	$ 8.23	$ 2.39	$ 1.15	$ 0.72	$ 4.22	$ 2.86	$ 2.44	$ 0.58	$ 8.71	$ 0.83	$ 0.66	$ 0.26	$ 12.49	$ 10.10	$ 10.81
Non-Life Run-Off [Member]
Parent Company Only Financial Information [Line Items]
Net premiums earned	12,341,000	28,134,000	41,216,000	30,920,000									112,611,000
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned -non-life run-off	(14,153,000)	24,236,000	35,523,000	28,533,000									74,139,000
Life and Annuity [Member]
Parent Company Only Financial Information [Line Items]
Net premiums earned	29,323,000	30,540,000	34,380,000	741,000	819,000	822,000	896,000	974,000	1,080,000	1,192,000	1,271,000		94,984,000	3,511,000	3,543,000
Active Underwriting [Member]
Parent Company Only Financial Information [Line Items]
Net premiums earned	32,212,000												32,212,000
Net (reduction) increase in ultimate losses and loss adjustment expense liabilities:
Losses incurred on current period premiums earned -non-life run-off													(19,303,000)
Losses incurred - active underwriting	19,352,000												19,352,000
Reduction in estimates of net ultimate losses													19,352,000
Reduction in provisions for unallocated loss adjustment expense liabilities													(49,000)
Total net reduction in ultimate losses and loss adjustment expense liabilities													$ 19,303,000

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Investments - Summary of Fair Value, Unfunded Commitments and Redemption Frequency (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	$ 569,293	$ 414,845
Gated/Side Pocket Investments	3,150
Investments without Gates or Side Pockets	566,143	414,845
Unfunded Commitments	114,240	87,591
Private Equity Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	161,229	127,696
Gated/Side Pocket Investments
Investments without Gates or Side Pockets	161,229	127,696
Unfunded Commitments	113,585	86,936
Redemption Frequency	Not eligible	Not eligible
Fixed Income Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	194,375	156,235
Gated/Side Pocket Investments
Investments without Gates or Side Pockets	194,375	156,235
Unfunded Commitments
Redemption Frequency	Daily to monthly	Daily to monthly
Fixed Income Hedge Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	68,157	53,933
Gated/Side Pocket Investments	3,150
Investments without Gates or Side Pockets	65,007	53,933
Unfunded Commitments
Redemption Frequency	Quarterly after lock-up periods expire	Quarterly after lock-up periods expire
Real Estate Debt Fund [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	32,113	16,179
Gated/Side Pocket Investments
Investments without Gates or Side Pockets	32,113	16,179
Unfunded Commitments
Redemption Frequency	Monthly	Monthly
Other [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	4,064	4,921
Gated/Side Pocket Investments
Investments without Gates or Side Pockets	4,064	4,921
Unfunded Commitments	655	655
Redemption Frequency	Not eligible	Not eligible
Equity Fund [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Total Fair Value	109,355	55,881
Gated/Side Pocket Investments
Investments without Gates or Side Pockets	109,355	55,881
Unfunded Commitments
Redemption Frequency	Bi-monthly	Bi-monthly

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Investments (Tables)

12 Months Ended

Dec. 31, 2013

Estimated Fair Values of Investments in Fixed Maturity Securities, Short-Term Investments and Equities, Trading Securities

The estimated fair values of the Company’s investments in fixed maturity securities, short-term investments and equities classified as trading securities were as follows:

	December 31, 2013		December 31, 2012
U.S. government and agency	$	439,946	$	361,906
Non-U.S. government		476,224		265,722
Corporate		2,123,675		1,598,876
Municipal		41,034		20,446
Residential mortgage-backed		218,457		115,594
Commercial mortgage-backed		114,637		130,848
Asset-backed		248,748		78,929
Total fixed maturity and short-term investments		3,662,721		2,572,321
Equities — U.S.		115,285		92,406
Equities — International		66,748		22,182
	$	3,844,754	$	2,686,909

Credit Ratings of Fixed Maturity Securities and Short-Term Investments, Trading

The following tables set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities and short-term investments classified as trading:

As at December 31, 2013	Fair Value		% of Total Fair Value
AAA	$	502,057		13.7	%
AA		1,430,107		39.1	%
A		1,191,142		32.5	%
BBB or lower		461,614		12.6	%
Not Rated		77,801		2.1	%
	$	3,662,721		100.0	%

As at December 31, 2012	Fair Value		% of Total Fair Value
AAA	$	418,297		16.3	%
AA		958,267		37.2	%
A		812,428		31.6	%
BBB or lower		376,347		14.6	%
Not Rated		6,982		0.3	%
	$	2,572,321		100.0	%

Amortized Cost and Estimated Fair Values of Company's Fixed Maturity Securities Classified as Held to Maturity

The amortized cost and estimated fair values of the Company’s fixed maturity securities classified as held-to-maturity were as follows:

As at December 31, 2013	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	19,992	$	6	$	(1,866	)	$	18,132
Non-U.S. government		23,592		19		(1,284	)		22,327
Corporate		815,803		105		(56,808	)		759,100
	$	859,387	$	130	$	(59,958	)	$	799,559

Summary of Amortized Cost and Estimated Fair Value of Fixed Maturities by Contractual Maturity

The contractual maturities of the Company’s fixed maturity securities classified as held-to-maturity are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	17,541	$	17,579		2.2	%
Due after one year through five years		87,698		86,611		10.8	%
Due after five years through ten years		133,102		126,541		15.8	%
Due after ten years		621,046		568,828		71.2	%
	$	859,387	$	799,559		100.0	%

Credit Ratings Company's Fixed Maturity Securities Held to Maturity

The following table set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities classified as held-to-maturity:

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	47,949	$	44,552		5.6	%
AA		259,163		239,188		29.9	%
A		496,986		463,001		57.9	%
BBB or lower		54,759		52,282		6.5	%
Not Rated		530		536		0.1	%
	$	859,387	$	799,559		100.0	%

Amortized Cost and Estimated Fair Values of Company's Fixed Maturity Securities Classified as Available-for-Sale

The amortized cost and estimated fair values of the Company’s fixed maturity securities and short-term investments classified as available-for-sale were as follows:

As at December 31, 2013	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	28,050	$	303	$	(10	)	$	28,343
Non-U.S. government		84,443		1,871		(22	)		86,292
Corporate		76,942		1,221		(259	)		77,904
Residential mortgage-backed		17,523		102		(118	)		17,507
Asset-backed		36,344		4		(30	)		36,318
	$	243,302	$	3,501	$	(439	)	$	246,364

As at December 31, 2012	Amortized Cost		Gross Unrealized Holding Gains		Gross Unrealized Holding Losses Non-OTTI			Fair Value
U.S. government and agency	$	4,503	$	454	$	—		$	4,957
Non-U.S. government		120,634		3,373		(151	)		123,856
Corporate		115,139		2,379		(524	)		116,994
Residential mortgage-backed		4,308		230		(40	)		4,498
Commercial mortgage-backed		474		7		—			481
Asset-backed		338		9		(12	)		335
	$	245,396	$	6,452	$	(727	)	$	251,121

Summary of Investments Classified as Available-for-Sale in Unrealized Loss Position as Well as Aggregate Fair Value and Gross Unrealized Loss by Length of Time

The following tables summarize the Company’s fixed maturity securities and short-term investments classified as available-for-sale in an unrealized loss position as well as the aggregate fair value and gross unrealized loss by length of time the securities have continuously been in an unrealized loss position:

	12 Months or Greater				Less Than 12 Months					Total
As at December 31, 2013	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
U.S. government and agency	$	—	$	—	$	11,416	$	(10	)	$	11,416	$	(10	)
Non-U.S. government		—		—		20,406		(22	)		20,406		(22	)
Corporate		—		—		51,478		(259	)		51,478		(259	)
Residential mortgage-backed		—		—		13,632		(118	)		13,632		(118	)
Asset-backed		—		—		24,898		(30	)		24,898		(30	)
	$	—		—	$	121,830	$	(439	)	$	121,830	$	(439	)

	12 Months or Greater					Less Than 12 Months					Total
As at December 31, 2012	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
Non-U.S. government	$	2,646	$	(82	)	$	2,399	$	(69	)	$	5,045	$	(151	)
Corporate		13,936		(86	)		8,689		(438	)		22,625		(524	)
Residential mortgage-backed		1,124		(40	)		—		—			1,124		(40	)
Asset-backed		174		(12	)		—		—			174		(12	)
	$	17,880	$	(220	)	$	11,088	$	(507	)	$	28,968	$	(727	)

Summary of Contractual Maturities of Company's Fixed Maturity Securities Classified as Available-for-Sale

The contractual maturities of the Company’s fixed maturity securities and short-term investments classified as available-for-sale are shown below. Actual maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	45,295	$	45,596		18.5	%
Due after one year through five years		141,400		143,445		58.2	%
Due after five years through ten years		69		70		0.1	%
Due after ten years		2,671		3,428		1.4	%
		189,435		192,539		78.2	%
Residential mortgage-backed		17,523		17,507		7.1	%
Asset-backed		36,344		36,318		14.7	%
	$	243,302	$	246,364		100.0	%

As at December 31, 2012	Amortized Cost		Fair Value		% of Total Fair Value
Due in one year or less	$	173,113	$	173,949		69.3	%
Due after one year through five years		64,089		68,298		27.2	%
Due after ten years		3,074		3,560		1.4	%
		240,276		245,807		97.9	%
Residential mortgage-backed		4,308		4,498		1.8	%
Commercial mortgage-backed		474		481		0.2	%
Asset-backed		338		335		0.1	%
	$	245,396	$	251,121		100.0	%

Credit Ratings Company's Fixed Maturity Securities and Short-term Investments Available-for-Sale

The following tables set forth certain information regarding the credit ratings (provided by major rating agencies) of the Company’s fixed maturity securities and short-term investments classified as available-for-sale:

As at December 31, 2013	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	125,729	$	127,433		51.7	%
AA		74,692		75,181		30.5	%
A		33,834		34,607		14.1	%
BBB or lower		8,957		8,963		3.6	%
Not Rated		90		180		0.1	%
	$	243,302	$	246,364		100.0	%

As at December 31, 2012	Amortized Cost		Fair Value		% of Total Fair Value
AAA	$	107,615	$	110,829		44.1	%
AA		59,535		60,742		24.2	%
A		72,773		73,935		29.4	%
BBB or lower		5,281		5,197		2.1	%
Not Rated		192		418		0.2	%
	$	245,396	$	251,121		100.0	%

Other Investments

The estimated fair values of the Company’s other investments were as follows:

	December 31, 2013		December 31, 2012
Private equity funds	$	161,229	$	127,696
Fixed income funds		194,375		156,235
Fixed income hedge funds		68,157		53,933
Equity funds		109,355		55,881
Real estate debt fund		32,113		16,179
Other		4,064		4,921
	$	569,293	$	414,845

Summary of Fair Value, Unfunded Commitments and Redemption Frequency

The following tables present the fair value, unfunded commitments and redemption frequency for all other investments. These investments are all valued at net asset value as at December 31, 2013 and December 31, 2012:

December 31, 2013	Total Fair Value		Gated/Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
Private equity funds	$	161,229	$	—	$	161,229	$	113,585	Not eligible
Fixed income funds		194,375		—		194,375		—	Daily to monthly
Fixed income hedge funds		68,157		3,150		65,007		—	Quarterly after lock-up periods expire
Equity funds		109,355		—		109,355		—	Bi-monthly
Real estate debt fund		32,113		—		32,113		—	Monthly
Other		4,064		—		4,064		655	Not eligible
	$	569,293	$	3,150	$	566,143	$	114,240
December 31, 2012	Total Fair Value		Gated/Side Pocket Investments		Investments without Gates or Side Pockets		Unfunded Commitments		Redemption Frequency
Private equity funds	$	127,696	$	—	$	127,696	$	86,936	Not eligible
Fixed income funds		156,235		—		156,235		—	Daily to monthly
Fixed income hedge funds		53,933		—		53,933		—	Quarterly after lock-up periods expire
Equity fund		55,881		—		55,881		—	Bi-monthly
Real estate debt fund		16,179		—		16,179		—	Monthly
Other		4,921		—		4,921		655	Not eligible
	$	414,845	$	—	$	414,845	$	87,591

Categorized Investments Recorded at Fair Value among Levels

In accordance with the provisions of the Fair Value Measurement and Disclosure topic of the FASB Accounting Standards Codification (“ASC”) 820, the Company has categorized its investments that are recorded at fair value among levels as follows:

	December 31, 2013
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	468,289	$	—	$	468,289
Non-U.S. government		—		562,516		—		562,516
Corporate		—		2,200,970		609		2,201,579
Municipal		—		41,034		—		41,034
Residential mortgage-backed		—		235,964		—		235,964
Commercial mortgage-backed		—		114,637		—		114,637
Asset-backed		—		285,066		—		285,066
Equities — U.S.		97,470		13,090		4,725		115,285
Equities — International		35,677		31,071		—		66,748
Other investments		—		303,724		265,569		569,293
Total investments	$	133,147	$	4,256,361	$	270,903	$	4,660,411

	December 31, 2012
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	366,863	$	—	$	366,863
Non-U.S. government		—		389,578		—		389,578
Corporate		—		1,715,330		540		1,715,870
Municipal		—		20,446		—		20,446
Residential mortgage-backed		—		120,092		—		120,092
Commercial mortgage-backed		—		131,329		—		131,329
Asset-backed		—		79,264		—		79,264
Equities — U.S.		83,947		5,058		3,401		92,406
Equities — International		10,377		11,805		—		22,182
Other investments		—		212,115		202,730		414,845
Total investments	$	94,324	$	3,051,880	$	206,671	$	3,352,875

Reconciliation of Beginning and Ending Balances for All Investments Measured at Fair Value on Recurring Basis

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the twelve months ended December 31, 2013:

	Fixed Maturity Investments		Other Investments			Equity Securities		Total
Level 3 investments as of January 1, 2013	$	540	$	202,730		$	3,401	$	206,671
Purchases		—		44,032			—		44,032
Sales		—		(28,568	)		—		(28,568	)
Total realized and unrealized gains through earnings		69		47,375			1,324		48,768
Net transfers into and/or (out of) Level 3		—		—			—		—
Level 3 investments as of December 31, 2013	$	609	$	265,569		$	4,725	$	270,903

The following table presents a reconciliation of the beginning and ending balances for all investments measured at fair value on a recurring basis using Level 3 inputs during the year ended December 31, 2012:

	Fixed Maturity Investments		Other Investments			Equity Securities		Total
Level 3 investments as of January 1, 2012	$	519	$	137,727		$	2,975	$	141,221
Purchases		—		63,732			—		63,732
Sales		—		(16,839	)		—		(16,839	)
Total realized and unrealized gains through earnings		21		18,110			426		18,557
Net transfers into and/or (out of) Level 3		—		—			—		—
Level 3 investments as of December 31, 2012	$	540	$	202,730		$	3,401	$	206,671

Components of Net Realized and Unrealized Gains (Losses)

Components of net realized and unrealized gains (losses) for the years ended December 31, 2013, 2012 and 2011 were as follows:

	2013			2012			2011
Gross realized gains on available-for-sale securities	$	705		$	5,850		$	808
Gross realized losses on available-for-sale securities		(214	)		(727	)		(471	)
Net realized gains on trading securities		13,488			13,569			3,738
Net unrealized (losses) gains on trading securities		(13,791	)		23,541			3,945
Net realized and unrealized gains on other investments		70,463			31,379			1,194
Net realized and unrealized gains	$	70,651		$	73,612		$	9,214
Proceeds from sales and maturities of available-for-sale securities	$	196,507		$	353,913		$	445,052

Major Categories of Net Investment Income

Major categories of net investment income for the years ended December 31, 2013, 2012 and 2011 are summarized as follows:

	2013			2012			2011
Interest from fixed maturity investments	$	123,555		$	78,767		$	70,753
Interest from cash and cash equivalents and short-term investments		13,705			14,924			13,232
Net amortization of bond premiums and discounts		(51,505	)		(28,758	)		(25,245	)
Dividends from equities		4,923			2,961			1,786
Other investments		652			661			734
Interest on other receivables		2,001			6,887			6,572
Other income		2,999			5,229			3,118
Interest on deposits held with clients		3,650			1,368			1,188
Investment expenses		(6,685	)		(4,279	)		(3,462	)
	$	93,295		$	77,760		$	68,676

Schedule of Carrying Value of Restricted Investments

                   The carrying value of the Company’s restricted assets, as of December 31, 2013 and December 31, 2012 was as follows:

	December 31 2013		December 31, 2012
Collateral in trust for third party agreements	$	2,002,374	$	570,391
Assets on deposit with regulatory authorities		608,940		212,012
Collateral for secured letter of credit facility		310,938		246,608
	$	2,922,252	$	1,029,011

Held-to-maturity Securities [Member]

Categorized Investments Recorded at Fair Value among Levels

The following table presents the Company’s fair value hierarchy for those assets classified as held-to-maturity in the consolidated balance sheet but for which disclosure of the fair value is required as of December 31, 2013 (there were no assets classified as held-to-maturity as of December 31, 2012):

	December 31, 2013
	Quoted Prices in Active  Markets for Identical Assets (Level 1)		Significant Other  Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value
U.S. government and agency	$	—	$	18,132	$	—	$	18,132
Non-U.S. government		—		22,327		—		22,327
Corporate		—		759,100		—		759,100
Total investments	$	—	$	799,559	$	—	$	799,559

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Loans Payable

12 Months Ended

Dec. 31, 2013

Text Block [Abstract]

Loans Payable

13.    LOANS PAYABLE

The Company’s loans payable consist of loan facilities used to partially finance certain of the Company’s acquisitions or significant new business transactions and its Revolving Credit Facility (the “EGL Revolving Credit Facility”), which can be used for permitted acquisitions and general corporate purposes. The Company’s credit facilities related to the Company’s 2011 acquisition of Clarendon National Insurance Company (the “Clarendon Facility”) and its term facility related to the 2013 acquisition of SeaBright (the “SeaBright Facility”). Until they were fully repaid on December 3, 2012, the Company also had loans outstanding related to share repurchase agreements with three of its executives and certain trusts and a corporation affiliated with the executives.

For the years ended December 31, 2013, 2012 and 2011, the Company incurred interest expense of $12.4 million, $8.4 million and $8.5 million, respectively, on its loan facilities and loans related to the share repurchase agreements. All of the Company’s currently outstanding loan facilities are floating rate loans, and the fair values of these loans approximate their book values.

Amounts of loans payable outstanding, and accrued interest, as of December 31, 2013 and 2012 total $452.4 million and $107.4 million, respectively, and comprise:

Facility	Date of Facility		Facility Term		December 31, 2013		December 31, 2012
EGL Revolving Credit Facility		July 8, 2013		5 Years	$	258,800	$	—
SeaBright Facility		December 21, 2012		3 Years		111,000		—
Clarendon Facility		July 12, 2011		4 Years		78,995		106,500
						448,795		106,500
Accrued interest						3,651		930
Total loans payable					$	452,446	$	107,430

Amendment and Restatement of EGL Revolving Credit Facility

On July 8, 2013, the Company, and certain of its subsidiaries, as borrowers, as well as certain of its subsidiaries, as guarantors, entered into an amendment and restatement of its existing Revolving Credit Facility Agreement with National Australia Bank Limited (“NAB”) and Barclays Bank PLC (“Barclays”), as mandated lead arrangers, NAB, Barclays and Royal Bank of Canada, as original lenders, and NAB as agent (the “Restated Credit Agreement”). The Restated Credit Agreement provides for a five-year EGL Revolving Credit Facility (expiring in July 2018) pursuant to which the Company is permitted to borrow up to an aggregate of $375.0 million, which is available to fund permitted acquisitions and for general corporate purposes. The previously existing Revolving Credit Facility Agreement had provided for a three-year $250.0 million facility that was set to terminate in June 2014. The Company’s ability to draw on the EGL Revolving Credit Facility is subject to customary conditions.

The EGL Revolving Credit Facility is secured by a first priority lien on the stock of certain of the Company’s subsidiaries and certain bank accounts held with Barclays in the name of the Company and into which amounts received in respect of any capital release from certain of the Company’s subsidiaries are required to be paid. Interest is payable at the end of each interest period chosen by the Company or, at the latest, each six months. The interest rate is LIBOR plus 2.75%, plus an incremental amount tied to certain regulatory costs, if any, that may be incurred by the lenders. Any unused portion of the EGL Revolving Credit Facility will be subject to a commitment fee of 1.10%. The EGL Revolving Credit Facility imposes various financial and business covenants on the Company, the guarantors and certain other material subsidiaries, including limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to dispositions of stock and assets, restrictions on dividends and limitations on liens. As of December 31, 2013 all of the financial covenants relating to the EGL Revolving Credit Facility were met.

During the existence of any event of default (as specified in the Restated Credit Agreement), the agent may cancel the commitments of the lenders, declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of outstanding amounts payable upon demand or proceed against the security. During the existence of any payment default, the interest rate would be increased by 1.0%. The EGL Revolving Credit Facility terminates and all amounts borrowed must be repaid on the fifth anniversary of the date of the Restated Credit Agreement.

During 2013, the Company borrowed $258.8 million under the EGL Revolving Credit Facility to fund certain acquisitions and for general corporate purposes. The interest rate on these borrowings was approximately 2.9%, subject to periodic adjustment in accordance with the terms of the EGL Revolving Credit Facility.

Clarendon Facility

On March 4, 2011, the Company, through Clarendon Holdings, Inc., entered into a $106.5 million term facility agreement (the “Clarendon Facility”) with NAB. The Clarendon Facility provides a four-year term loan facility, which was fully drawn upon on July 12, 2011 to fund 50% of the purchase price of Clarendon.

The Clarendon Facility is secured by a security interest in all of the assets of Clarendon Holdings, Inc., as well as a first priority lien on the stock of both Clarendon Holdings, Inc. and Clarendon. Interest is payable at the end of each interest period chosen by Clarendon Holdings, Inc. or, at the latest, each six months. The interest rate is LIBOR plus 2.75%. The Clarendon Facility is subject to various financial and business covenants, including limitations on mergers and consolidations, restrictions as to disposition of stock and limitations on liens on the stock. As of December 31, 2013, all of the financial covenants relating to the Clarendon Facility were met.

During the existence of any payment default, the interest rate is increased by 1.0%. During the existence of any event of default (as specified in the term facility agreement), the lenders may declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of borrowed amounts payable upon demand, or proceed against the security. The Clarendon Facility terminates and all amounts borrowed must be repaid on July 12, 2015.

On July 31, 2013, the Company repaid $27.5 million of the outstanding principal on its Clarendon Facility reducing the outstanding principal as of December 31, 2013 to $79.0 million.

SeaBright Facility

On December 21, 2012, the Company, through AML Acquisition, Corp. (“AML Acquisition”), entered into a Term Facility Agreement with NAB and Barclays (the “SeaBright Facility”). The SeaBright Facility provides a four-year term loan facility, which AML Acquisition fully drew down on February 5, 2013 in an amount of $111.0 million to partially fund the Company’s acquisition of SeaBright Holdings, Inc. (“SeaBright”). The Company acquired SeaBright on February 7, 2013 by way of a merger of AML Acquisition with and into SeaBright (the “Merger”), with SeaBright surviving the Merger as an indirect, wholly-owned subsidiary of the Company.

Following completion of the Merger, SeaBright (as the survivor of the Merger) became the borrower under the SeaBright Facility and the facility became secured by a security interest in all of the assets of SeaBright, a pledge of the stock of SeaBright by its sole stockholder, a pledge of the stock of SeaBright Insurance Company, Paladin Managed Care Services, Inc., and PointSure Insurance Services, Inc. (which are wholly-owned subsidiaries of SeaBright) by SeaBright, and a security interest in all of the assets of Paladin Managed Care Services, Inc. and PointSure Insurance Services, Inc.

From the date of the SeaBright Facility until the draw down on February 5, 2013, the undrawn and uncancelled amount of the SeaBright Facility incurred a fee of 1% per annum. Interest on amounts borrowed under the SeaBright Facility is payable at the end of each interest period chosen by the borrower or, at the latest, each six months. The interest rate is LIBOR plus 2.75% for the first 18 months from February 5, 2013 and increases to LIBOR plus 3.50% thereafter; the interest rate is subject to increase by an incremental amount tied to certain regulatory costs, if any, that may be incurred by the lenders. The SeaBright Facility imposes various financial and business covenants on SeaBright, including limitations on mergers and consolidations, acquisitions, indebtedness and guarantees, restrictions as to dispositions of stock and assets (except for certain permitted dispositions), restrictions on dividends, and limitations on liens. As at December 31, 2013, all of the financial covenants relating to the SeaBright Facility were met.

During the existence of any payment default, the interest rate would be increased by 1.0%. During the existence of any event of default (as specified in the SeaBright Facility), the lenders may cancel their commitments, declare all or a portion of outstanding amounts immediately due and payable, declare all or a portion of borrowed amounts payable upon demand, or proceed against the security. The SeaBright Facility terminates and all amounts borrowed must be repaid on December 21, 2016, the fourth anniversary of the date the facility was put in place.

SeaBright Surplus Notes

On August 26, 2013, the Company fully repaid the outstanding principal and accrued interest of $12.1 million associated with the subordinated floating rate surplus notes issued by SeaBright in a private placement in May 2004. Interest expense for the period from February 7, 2013 (the date of acquisition of SeaBright) to December 31, 2013 was $0.3 million.

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Redeemable Noncontrolling Interest - Carrying Amount of Equity Attributable to Noncontrolling Interest (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Noncontrolling Interest [Abstract]
Beginning balance
Redeemable noncontrolling interest, initial contributions	96,689
Net earnings attributable to redeemable noncontrolling interest	4,170
Ending balance	$ 100,859