v2.3.0.15

Variable Interest Entities (Details) (Juniperus Insurance Opportunity Fund Limited (Juniperus), USD $) In Millions | Sep. 30, 2011
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Juniperus Insurance Opportunity Fund Limited (Juniperus) |
Variable Interest Entity |
Maximum potential loss on investment in Variable Interest Entities | $ 60

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Quantifies the entity's maximum exposure to loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS140-4 and FIN46(R)-8 -Paragraph C6 -Subparagraph c + Details
Name: | us-gaap_VariableInterestMaximumExposureToLoss
Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant