Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2013

Related Party Transactions [Abstract]

Summary of related party transactions

(U.S. dollars in thousands)	2013		2012		2011
Reported net premiums written	$	73,085	$	61,146	$	66,489
Net losses incurred	$	29,042	$	37,664	$	34,720
Reported acquisition costs	$	25,275	$	24,014	$	25,635