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Commitments And Contingencies (Details) | Mar. 31, 2012
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ABN AMRO Bank N.V. Et Al. V. MBIA Inc. Et Al.; Index No. 601475/09 (N.Y. Sup. Ct., N.Y. County) [Member] |
Commitments And Contingencies [Line Items] |
Number of original plaintiffs | 18
Number of plaintiffs dismissed their claims | 16
ABN AMRO Bank N.V. Et Al. V. Eric Dinallo Et Al.; Index No. 601846/09 (N.Y. Sup. Ct., N.Y. County) [Member] |
Commitments And Contingencies [Line Items] |
Number of original plaintiffs | 18
Number of plaintiffs dismissed their claims | 16

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