v2.4.0.6

Investment in Life Settlements - Additional Information (Parenthetical) (Detail) | Sep. 30, 2012 Contract
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Investments, All Other Investments [Abstract] |
Life settlement contracts, number of contracts with fair value | 166
Total number of Life Settlement Contracts | 256
Life settlement contracts, number of contracts with no fair value | 90

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- Definition Number of life settlement contracts accounted for under the fair value method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Life Settlement Contract -URI http://asc.fasb.org/extlink&oid=6516907 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6385267&loc=d3e42732-111610 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FTB85-4-1 -Paragraph 17 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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
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