XML 78 R60.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Derivative Instruments (Details 5) (USD $) | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | $ (3,205,000) | $ (3,707,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | 698,700,000 | 696,000,000
Derivative Average Remaining Maturity | 5.1 | 5.2
Standard Poors AAA To A Minus Ratings [Member] | Single Name Credit Default Swaps [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | (1,630,000) | (2,077,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | 124,500,000 | 124,500,000
Derivative Average Remaining Maturity | 5.7 | 5.9
Standard Poors AAA To A Minus Ratings [Member] | Credit Default Swaps Referencing Indices [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | 0 | 0
Maximum Potential Future Exposure on Credit Risk Derivatives | 0 | 0
Derivative Average Remaining Maturity | -- | --
Standard Poors AAA To A Minus Ratings [Member] | Credit Default Subtotal [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | (1,630,000) | (2,077,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | 124,500,000 | 124,500,000
Derivative Average Remaining Maturity | 5.7 | 5.9
StandardPoorsBBBRatingMember | Single Name Credit Default Swaps [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | (2,030,000) | (2,345,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | 138,200,000 | 135,500,000
Derivative Average Remaining Maturity | 5.7 | 5.5
StandardPoorsBBBRatingMember | Credit Default Swaps Referencing Indices [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | 565,000 | 937,000
Maximum Potential Future Exposure on Credit Risk Derivatives | 430,000,000 | 430,000,000
Derivative Average Remaining Maturity | 4.7 | 5.0
StandardPoorsBBBRatingMember | Credit Default Subtotal [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | (1,465,000) | (1,408,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | 568,200,000 | 565,500,000
Derivative Average Remaining Maturity | 5.0 | 5.1
StandardPoorsBBRatingMember | Single Name Credit Default Swaps [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | (110,000) | (222,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | 6,000,000 | 6,000,000
Derivative Average Remaining Maturity | 4.2 | 4.5
StandardPoorsBBRatingMember | Credit Default Swaps Referencing Indices [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | 0 | 0
Maximum Potential Future Exposure on Credit Risk Derivatives | 0 | 0
Derivative Average Remaining Maturity | -- | --
StandardPoorsBBRatingMember | Credit Default Subtotal [Member] |  |
Credit Derivatives [Line Items] |  |
Credit Derivative Current Fair Value | (110,000) | (222,000)
Maximum Potential Future Exposure on Credit Risk Derivatives | $ 6,000,000 | $ 6,000,000
Derivative Average Remaining Maturity | 4.2 | 4.5

X
- Definition Discloses the fair value of the credit derivative (or each group of similar credit derivatives) as of the date of the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5708775-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44DD -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_CreditDerivativeCurrentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_CreditDerivativesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The average time remaining until maturity on the group of derivatives identified. + References No definition available. + Details
Name: | us-gaap_DerivativeAverageRemainingMaturity
Namespace Prefix: | us-gaap_
Data Type: | us-types:durationStringItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum amount the entity would be obligated to pay on the credit risk derivatives upon occurrence of a credit event. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A, 15B, 15C, 15D -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5708775-113959 + Details
Name: | us-gaap_MaximumPotentialFutureExposureOnCreditRiskDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant