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Municipal Bond Guarantee (Tables) | 3 Months Ended
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Mar. 31, 2014
Guarantees [Abstract] |
Schedule of Municipal Guarantee Insured Obligations [Table Text Block] | The following table provides a schedule of BAM’s insured obligations:
|  | March 31, 2014 |  | December 31, 2013
Contracts outstanding |  | 907 |  |  | 701 |
Remaining weighted average contract period outstanding (in years) |  | 13.6 |  |  | 13.8 |
Contractual debt service outstanding (in millions): |  |  |  |
Par |  | $ | 6,015.0 |  |  | $ | 4,703.7 |
Interest |  | 4,140.9 |  |  | 3,264.4 |
Total debt service outstanding |  | $ | 10,155.9 |  |  | $ | 7,968.1 |
Gross unearned insurance premiums (in millions) |  | $ | 17.7 |  |  | $ | 13.2 |

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