ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables)

12 Months Ended

Dec. 31, 2011

Changes In Accumulated Other Comprehensive Income (Loss) [Table Text Block]

(U.S. dollars in thousands)	Before Tax Amount			Tax (Benefit) Expense			Net of Tax Amount
Year Ended December 31, 2011:
Unrealized gains on investments:
Unrealized gains (losses) arising during year	$	281,302		$	(51,418	)	$	332,720
Less reclassification for (losses) realized in income		(188,359	)		(9,927	)		(178,432	)
Net unrealized gains (losses) on investments		469,661			(41,491	)		511,152
Change in value of cash flow hedge		439			—			439
Change in underfunded pension liability		(2,622	)		—			(2,622	)
Foreign currency translation adjustments		(27,802	)		(1,102	)		(26,700	)
Change in accumulated other comprehensive income	$	439,676		$	(42,593	)	$	482,269
Year Ended December 31, 2010:
Unrealized gains on investments:
Unrealized gains (losses) arising during year	$	885,910		$	(46,859	)	$	932,769
Less reclassification for (losses) realized in income		(270,803	)		(5,369	)		(265,434	)
Net unrealized gains (losses) on investments		1,156,713			(41,490	)		1,198,203
Change in value of cash flow hedge		439			—			439
Change in net unrealized gain on future policy benefit reserves		(3,714	)		—			(3,714	)
Change in underfunded pension liability		(2,619	)		—			(2,619	)
Foreign currency translation adjustments		47,265			(3,688	)		50,953
Change in accumulated other comprehensive income	$	1,198,084		$	(45,178	)	$	1,243,262
Year Ended December 31, 2009:
Unrealized (losses) on investments:
Unrealized gains (losses) arising during year	$	1,246,562		$	119,675		$	1,126,887
Less reclassification for (losses) realized in income		(921,437	)		(10,317	)		(911,120	)
Net unrealized gains (losses) on investments		2,167,999			129,992			2,038,007
Change in value of cash flow hedge		438			—			438
Change in net unrealized gain on future policy benefit reserves		6,554			—			6,554
Change in underfunded pension liability		(3,427	)		—			(3,427	)
Foreign currency translation adjustments		169,261			(11,627	)		180,888
Change in accumulated other comprehensive income (loss)	$	2,340,825		$	118,365		$	2,222,460

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Year Ended December 31
(U.S. dollars in thousands)	2011			2010			2009
Accumulated unrealized gains (losses) on investments, net of tax	$	721,784		$	238,751		$	(834,546	)
OTTI losses recognized in other comprehensive income, net of tax		(199,988	)		(228,107	)		(353,013	)
Accumulated foreign currency translation		77,554			104,254			53,301
Accumulated underfunded pension liability		(17,521	)		(14,899	)		(8,566	)
Accumulated cash flow hedge		1,235			796			357
Total	$	583,064		$	100,795		$	(1,142,467	)