Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

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 six months ended June 30, 2015:

(U.S. dollars in thousands)	Goodwill			Intangible assets with an indefinite life		Intangible assets with a definite life			Total
Balance at December 31, 2014	$	415,936		$	15,366	$	16,650		$	447,952
Additions	778,043			673,000		315,000			1,766,043
Amortization	—			—		(4,335		)	(4,335		)
Foreign Currency Translation	(3,749		)	—		—			(3,749		)
Balance at June 30, 2015	$	1,190,230		$	688,366	$	327,315		$	2,205,911

Schedule Of Acquired Intangible Assets By Major Class [Table Text Block]

The following table summarizes the intangible assets and their related useful lives recorded in connection with the Catlin Acquisition as of the Acquisition Date:

(U.S. dollars in thousands)	Amount		Estimated Useful Life
Lloyd's - Syndicate capacity	$	660,000	Indefinite
Insurance licenses	13,000		Indefinite
Total identified indefinite life intangible assets	$	673,000
Lloyd's - Managing agent contracts	15,000		15 years
Distribution network	290,000		20 years
Trademarks / Trade names	10,000		2 years
Total identified definite life intangible assets	$	315,000
Total identified intangible assets	$	988,000