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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and other intangible assets
Goodwill and Other Intangible Assets
The following table presents an analysis of intangible assets broken down between goodwill, intangible assets with an indefinite life and intangible assets with a definite life for the years ended December 31, 2014, 2013 and 2012:
(U.S. dollars in thousands)
Goodwill
 
Intangible
assets with an
indefinite life
 
Intangible
assets with a
definite life
 
Total
Balance at December 31, 2011
$
391,498

 
$
15,366

 
$
457

 
$
407,321

Amortization

 

 
(178
)
 
(178
)
Foreign Currency Translation
1,384

 

 

 
1,384

Balance at December 31, 2012
$
392,882

 
$
15,366

 
$
279

 
$
408,527

Amortization

 

 
(279
)
 
(279
)
Foreign Currency Translation
3,363

 

 

 
3,363

Balance at December 31, 2013
$
396,245

 
$
15,366

 
$

 
$
411,611

Additions
25,159

 

 
18,500

 
43,659

Amortization

 

 
(1,850
)
 
(1,850
)
Foreign Currency Translation
(5,468
)
 

 

 
(5,468
)
Balance at December 31, 2014
$
415,936

 
$
15,366

 
$
16,650

 
$
447,952


At December 31, 2014 and 2013, the Company had goodwill of $415.9 million and $396.2 million, respectively, related to the Reinsurance segment. During the first quarter of 2014, Goodwill and Other Intangible Assets increased as a result of the completion of an acquisition. The transaction was accounted for using the acquisition method under which the Company recorded the identifiable assets and liabilities at their acquisition date fair values, and recorded the excess of consideration transferred over the net assets acquired as goodwill and intangible assets. The fair value of identifiable assets and liabilities acquired, as well as amounts recorded in the Company’s consolidated results since the acquisition date, are not material.
The estimated fair values of the Reinsurance Segment reporting units’ carried goodwill exceeded their estimated net book values at December 31, 2014, and therefore no impairments were recorded during 2014. At December 31, 2014 and 2013, the ending goodwill balance is comprised of gross goodwill of $1.8 billion, offset by accumulated impairment charges of $1.4 billion.
The Company tests goodwill for impairment on an annual basis, as of June 30, during the third quarter, and on an interim basis when certain events or circumstances exist. The Company tests for impairment at the reporting unit level in accordance with the authoritative guidance on intangibles and goodwill. For the Reinsurance segment, in which all the Company's goodwill resides, a reporting unit is one level below the business segment, while for Insurance, the segment traditionally was also the reporting unit. The first step is to identify potential impairment by comparing the estimated fair value of a reporting unit to its estimated book value, including goodwill. The fair value of each reporting unit is derived based upon valuation techniques and assumptions the Company believes market participants would use to value the business. The Company then compares this estimated fair value to the book value of the reporting units, which it derives by estimating the amount of shareholders’ equity required to support the activities of each reporting unit. The estimated fair values of the reporting units are generally determined utilizing methodologies that incorporate price-to-net-tangible-book and price-to-earnings multiples of certain comparable companies in the industry, from an operational and economic standpoint. If such individual reporting unit estimated fair values - combined with an estimate of an appropriate control premium - exceed their related individual reporting unit net book values, goodwill for those individual reporting units is not deemed to be impaired. A control premium represents the value an investor would pay above non-controlling interest transaction prices in order to obtain a controlling interest in the respective company.
However, if the margin calculated between the estimated reporting unit fair value and its net book value indicates a potential impairment or a “close call”, a further analysis of the reporting unit’s estimated fair value is performed, using an entity-specific discounted cash flow methodology. This methodology establishes fair value by estimating the present value of the projected future cash flows to be generated from the reporting unit. The discount rate applied to the projected future cash flows to arrive at the present value is intended to reflect all risks of ownership and the associated risks of realizing the stream of projected future cash flows. The discounted cash flow methodology uses the Company’s projections of financial performance for a ten-year period combined with an estimated terminal value. The most significant assumptions used in the discounted cash flow methodology are the discount rate, the terminal value and expected future revenues, gross margins and operating margins, which vary among reporting units. If the individual reporting units' net book values exceed their related individual reporting unit estimated fair values based on this additional methodology, the second step of the goodwill impairment testing process is performed to measure the amount of impairment.