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Municipal Bond Guarantee Insurance (Notes) | 12 Months Ended
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Dec. 31, 2013
Schedule of Insured Financial Obligations with Credit Deterioration [Line Items] |
Financial Guarantee Insurance Contracts [Text Block] | Note 9. Municipal Bond Guarantee Insurance In 2012, HG Global was capitalized with $594.5 million from White Mountains and $14.5 million from non-controlling interests to fund BAM, a newly formed mutual municipal bond insurer. As of December 31, 2013, White Mountains owned 97.3% of HG Global’s preferred equity and 88.7% of its common equity. HG Global, together with its subsidiaries, provided the initial capitalization of BAM through the purchase of $503.0 million of BAM surplus notes. HG Global provides first loss reinsurance protection for policies underwritten by BAM of up to 15% of par outstanding on a per policy basis through HG Re, which had statutory capital of $436.9 million at December 31, 2013. HG Re’s obligations to BAM are collateralized in trusts, and there is an aggregate loss limit that is equal to the total assets in the collateral trusts at any point in time. At December 31, 2013 and 2012, HG Global had pre-tax income of $38.1 million and $14.2 million, which included $40.2 million and $18.4 million of interest income on the BAM surplus notes. At December 31, 2013 and 2012, BAM had a pre-tax loss of $78.6 million and $36.3 million that was recorded in net loss attributable to non-controlling interests, which included $40.2 million and $18.4 million of interest expense on the BAM surplus notes. As of December 31, 2013, HG Global has accrued $58.6 million of interest receivable on the BAM surplus notes. The following table provides a schedule of BAM’s insured obligations:
|  | December 31, 2013 |  | December 31, 2012
Contracts issued and outstanding |  | 218 |  |  | 3 |
Remaining weighted average contract period (in years) |  | 13.8 |  |  | 10.4 |
Contractual debt service outstanding (in millions): |  |  |  |
Principal |  | $ | 4,703.7 |  |  | $ | 25.8 |
Interest |  | $ | 3,264.4 |  |  | $ | 8.9 |
Gross unearned insurance premiums |  | $ | 13.2 |  |  | $ | .1 |

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- Definition The entire disclosure for financial guarantee insurance contracts (as defined) issued by the entity. Such disclosure is intended to enable users of the financial information to understand the factors affecting the present and future recognition and measurement of the entity's financial guarantee insurance contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6933581&loc=SL5749298-161291 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6933314&loc=SL5749324-161292 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 310 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6933075&loc=SL5748726-161290 + Details
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