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Municipal Bond Guarantee (Tables) | 3 Months Ended
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Mar. 31, 2016
Guarantees [Abstract] |
Schedule of Municipal Bond Guarantee Insured Obligations | The following table provides a schedule of BAM’s insured obligations:
|  | March 31, 2016 |  | December 31, 2015
Contracts outstanding |  | 3,422 |  |  | 3,103.0 |
Remaining weighted average contract period outstanding (in years) |  | 12.7 |  |  | 12.8 |
Contractual debt service outstanding (in millions): |  |  |  |
Principal |  | $ | 24,641.6 |  |  | $ | 22,556.0 |
Interest |  | 12,711.9 |  |  | 11,984.4 |
Total debt service outstanding |  | $ | 37,353.5 |  |  | $ | 34,540.4 |
Gross unearned insurance premiums |  | $ | 55.8 |  |  | $ | 50.2 |

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