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Background and Business Description - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 9 Months Ended
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Sep. 30, 2013
Background And Basis Of Presentation [Line Items] |
Percentage of voting rights, common stock | 10.00%
Holder's ownership | 5.00%
Change in holder's ownership | 5.00%
Insurance liabilities allocated to segregated account | $ 6,130,867
Percentage of permitted policy claim | 25.00%
Accrued rate of interest on outstanding policy obligations | 5.10%
Minimum [Member] |
Background And Basis Of Presentation [Line Items] |
Minimum surplus amount | 100,000
Ambac Assurance [Member] |
Background And Basis Of Presentation [Line Items] |
Net par exposure for policies allocated to the Segregated Account | 23,729,552
Issuance of secured note to segregated account | 2,000,000
Secured note maturity year | 2050
Interest on the secured note accrues | 4.50%
Available secured notes including capitalized interest | 195,831
Policyholders surplus | $ 501,672

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- Details
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- Definition Original issuance amount of the Secured Note issued by Ambac Assurance to the Segregated Account of Ambac Assurance in connection with the establishment of the Ambac Assurance Segregated Account. + References No definition available. + Details
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- Definition Current amount outstanding, including capitalized interest, relating to a Secured Note issued by Ambac Assurance to the Segregated Account of Ambac Assurance in connection with the establishment of the Ambac Assurance Segregated Account. + References No definition available. + Details
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