v2.4.0.6

DERIVATIVE INSTRUMENTS (DETAILS) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Derivative Fair Values on Consolidated Balance Sheet [Line Items] |  |
Asset Derivative Fair Value | $ 38,175 | $ 6,641
Liability Derivative Fair Value | 2,035 | 14,986
Foreign Exchange Forward Contracts [Member] | Designated As Hedging Instrument [Member] | Fair Value Hedge [Member] |  |
Derivative Fair Values on Consolidated Balance Sheet [Line Items] |  |
Asset Derivative Fair Value | 16,519 | 0
Liability Derivative Fair Value | 0 | 13,748
Derivative Notional Amount | 540,176 | 612,845
Foreign Exchange Forward Contracts [Member] | Not Designated as Hedging Instruments [Member] | Investment Portfolio [Member] |  |
Derivative Fair Values on Consolidated Balance Sheet [Line Items] |  |
Asset Derivative Fair Value | 7,012 | 2,182
Liability Derivative Fair Value | 1,783 | 746
Derivative Notional Amount | 287,711 | 154,990
Foreign Exchange Forward Contracts [Member] | Not Designated as Hedging Instruments [Member] | Underwriting Portfolio [Member] |  |
Derivative Fair Values on Consolidated Balance Sheet [Line Items] |  |
Asset Derivative Fair Value | 14,644 | 4,459
Liability Derivative Fair Value | 252 | 492
Derivative Notional Amount | $ 955,728 | $ 110,564

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- Definition Aggregate notional amount of all derivatives. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a derivative instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 + Details
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