Derivative Instruments (Tables)

3 Months Ended

Mar. 31, 2012

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

	March 31, 2012									December 31, 2011
(U.S. dollars in thousands, except ratios)	Asset Derivative Notional Amount		Asset Derivative Fair Value (1)		Liability Derivative Notional Amount		Liability Derivative Fair Value (1)			Asset Derivative Notional Amount		Asset Derivative Fair Value (1)		Liability Derivative Notional Amount		Liability Derivative Fair Value (1)
Derivatives designed as hedging instruments:
Interest rate contracts (2)	$	156,271	$	106,941	$	-	$	-		$	156,271	$	109,761	$	-	$	-
Foreign exchange contracts		971,816		5,830		1,798,665		(21,415	)		2,033,428		25,387		457,892		(4,518	)
Total derivatives designed as hedging instruments	$	1,128,087	$	112,771	$	1,798,665		(21,415	)	$	2,189,699	$	135,148	$	457,892		(4,518	)
Derivatives not designed as hedging instruments:
Investment Related Derivatives:
Interest rate exposure	$	92,377	$	2,311	$	8,886	$	(26	)	$	70,978	$	1,946	$	55,033	$	(43	)
Foreign exchange exposure		78,100		384		131,658		(2,137	)		232,422		3,759		384,592		(11,737	)
Credit exposure		113,750		1,745		486,513		(14,839	)		172,500		5,271		449,513		(13,986	)
Financial market exposure		49,088		1,392		13,880		-			23,874		615		14,321		-
Financial Operations Derivatives: (3)
Credit exposure (2)		-		-		82,146		(10,288	)		-		-		81,678		(10,288	)
Other Non-Investment Derivatives:
Guaranteed minimum income benefit contract		-		-		70,352		(20,475	)		-		-		78,777		(22,490	)
Modified coinsurance funds withheld contract		76,890		-		-		-			77,200		-		-		-
Total derivatives not designed as hedging instruments	$	410,205	$	5,832	$	793,435	$	(47,765	)	$	576,974	$	11,591	$	1,063,914	$	(58,544	)

Gain (loss) recongnized in income attributable to risk, hedged items [Text Block]

	Hedged Items - Amount of Gain/(Loss) Recognized in Income Attributable to Risk
Derivatives Designated as Fair Value Hedges: Three Months Ended March 31, 2012 (U.S. dollars in thousands)	Gain/(Loss) Recognized in Income on Derivative			Deposit Liabilities		Fixed Maturity Investments		Ineffective Portion of Hedging Relationship - Gain/(Loss)
Interest rate exposure	$	(5,457	)
Foreign exchange exposure		(15,100	)
Total	$	(20,557	)	$	3,607	$	14,511	$	(2,439	)
Three Months Ended March 31, 2011 (U.S. dollars in thousands)
Interest rate exposure	$	(874	)
Foreign exchange exposure		(20,425	)
Total	$	(21,299	)	$	2,381	$	20,139	$	1,221

Schedule Of Settlement of Fair Values Hedges [Table Text Block]

Settlement of Fair Value Hedges - Summary	Fair Value Hedges - Notes Payable and Debt Three Months Ended March 31,				Fair Value Hedges - Deposit Liabilities Three Months Ended March 31,
(U.S. dollars in thousands, except years)	2012		2011		2012		2011
Cumulative reduction to interest expense	$	12,019	$	5,690	$	11,070	$	3,780
Remaining balance	$	9,605	$	15,933	$	138,415	$	145,705
Weighted average years remaining to maturity		P2Y5M		P3Y1M		P33Y0M		P35Y7M

Schedule of Derivative Instruments Designated as Hedges of the Net Investment in a Foreign Operation [Table Text Block]

Derivative Instruments Designated as Hedges of the Net Investment in a Foreign Operation - Summary	Three Months Ended March 31,
(U.S. dollars in thousands)	2012			2011
Weighted average of U.S. dollar equivalent of foreign denominated net assets	$	1,893,401		$	1,429,874
Derivative gains (losses) (1)	$	(37,872	)	$	(41,409	)

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance (Not Formally Designated as Hedges) [Text Block]

Net Realized and Unrealized Gains (Losses) on Derivative Instruments	Three Months Ended March 31,
(U.S. dollars in thousands)	2012			2011
Investment Related Derivatives:
Interest rate exposure	$	700		$	168
Foreign exchange exposure		(354	)		6,437
Credit exposure		(3,699	)		(1,253	)
Financial market exposure		3,944			1,156
Financial Operations Derivatives:
Credit exposure		143			182
Other Non-Investment Derivatives:
Contingent credit facility		-			(2,030	)
Guaranteed minimum income benefit contract		2,015			2,309
Modified coinsurance funds withheld contract		392			(4,623	)
Total derivatives not designated as hedging instruments	$	3,141		$	2,346
Amount of gain (loss) recognized in income from ineffective portion of fair value hedges		(2,439	)		1,221
Net realized and unrealized gains (losses) on derivative instruments	$	702		$	3,567

Schedule Of Financial Operations Derivatives Credit Exposure [Table Text Block]

Financial Operations Derivatives - Credit Exposure Summary: (U.S. dollars in thousands, except term to maturity)	March 31, 2012		December 31, 2011
Principal outstanding	$	78,763	$	78,425
Interest outstanding		3,383		3,253
Aggregate outstanding exposure	$	82,146	$	81,678
Total liability recorded	$	10,288	$	10,288
Weighted average contractual term to maturity		4.5 years		5.0 years
Underlying obligations credit rating		BB		BB

Summary of Contingent Credit Features [Table Text Block]

Contingent Credit Features - Summary:	March 31, 2012		December 31, 2011
(U.S. dollars in thousands)
Aggregate fair value of derivative agreements with downgrade provisions in a net liability position	$	15,763	$	15,763
Collateral posted to counterparty	$	512	$	809