XML 108 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Financial Guarantees in Force (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Text Block [Abstract] |
Summary of Financial Guarantee Portfolio Diversification by Type of Guaranteed Bond | As of December 31, 2013 and 2012, the guarantee portfolio was diversified by type of guaranteed bond as shown in the following table:
|  | Net Par Amount Outstanding |
|  | Successor Ambac |  |  | Predecessor Ambac |
|  | 2013 |  |  | 2012 |
Public Finance: |  |  |  |  |  |  |  |
Lease and tax-backed revenue |  | $ | 41,858,000 |  |  | $ | 50,415,000 |
General obligation |  |  | 29,115,000 |  |  |  | 34,623,000 |
Utility revenue |  |  | 14,933,000 |  |  |  | 18,651,000 |
Transportation revenue |  |  | 9,653,000 |  |  |  | 13,892,000 |
Higher education |  |  | 7,810,000 |  |  |  | 10,382,000 |
Housing revenue |  |  | 7,439,000 |  |  |  | 8,176,000 |
Health care revenue |  |  | 3,903,000 |  |  |  | 5,266,000 |
Other |  |  | 1,351,000 |  |  |  | 1,613,000 |
Total Public Finance |  |  | 116,062,000 |  |  |  | 143,018,000 |
Structured Finance: |  |  |  |  |  |  |  |
Mortgage-backed and home equity |  |  | 16,026,000 |  |  |  | 19,117,000 |
Investor-owned utilities |  |  | 5,881,000 |  |  |  | 7,071,000 |
Student loan |  |  | 4,357,000 |  |  |  | 5,411,000 |
Asset-backed(1) |  |  | 2,361,000 |  |  |  | 2,905,000 |
CDOs |  |  | 897,000 |  |  |  | 5,941,000 |
Other |  |  | 1,890,000 |  |  |  | 1,914,000 |
Total Structured Finance |  |  | 31,412,000 |  |  |  | 42,359,000 |
International Finance: |  |  |  |  |  |  |  |
Investor-owned and public utilities |  |  | 9,595,000 |  |  |  | 10,314,000 |
Sovereign/sub-sovereign |  |  | 7,394,000 |  |  |  | 7,289,000 |
Asset-backed(1) |  |  | 6,884,000 |  |  |  | 8,702,000 |
Transportation |  |  | 5,021,000 |  |  |  | 6,002,000 |
CDOs |  |  | 822,000 |  |  |  | 3,191,000 |
Mortgage-backed and home equity |  |  | 484,000 |  |  |  | 1,268,000 |
Other |  |  | 1,418,000 |  |  |  | 1,490,000 |
Total International Finance |  |  | 31,618,000 |  |  |  | 38,256,000 |
Total |  | $ | 179,092,000 |  |  | $ | 223,633,000 |
(1) | At December 31, 2013 and 2012, all asset-backed net par amounts outstanding relate to commercial asset-based transactions.
Summary of International Finance Guaranteed Portfolio | As of December 31, 2013 and 2012, the International Finance guaranteed portfolio is shown in the following table by location of risk:
|  | Net Par Amount Outstanding |
|  | Successor Ambac |  |  | Predecessor Ambac |
|  | 2013 |  |  | 2012 |
United Kingdom |  | $ | 21,282,000 |  |  | $ | 22,585,000 |
Australia |  |  | 3,331,000 |  |  |  | 4,820,000 |
Italy |  |  | 2,412,000 |  |  |  | 3,068,000 |
Austria |  |  | 967,000 |  |  |  | 943,000 |
New Zealand |  |  | 526,000 |  |  |  | 529,000 |
Internationally diversified(1) |  |  | 1,918,000 |  |  |  | 3,968,000 |
Other international |  |  | 1,182,000 |  |  |  | 2,343,000 |
Total International Finance |  | $ | 31,618,000 |  |  | $ | 38,256,000 |
(1) | Internationally diversified obligations represent pools of geographically diversified exposures which may include components of U.S. exposure.

X
- Definition Schedule Of Financial Guarantees Net Par Amount Outstanding by guaranteed bond type. Table [Text Block] + References No definition available. + Details
Name: | ambc_ScheduleOfFinancialGuaranteeInsuranceInForceByBondTypeTableTextBlock
Namespace Prefix: | ambc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of International Financial Guarantees Net Par Amount Outstanding by Location Of Risk. [Text Block] + References No definition available. + Details
Name: | ambc_ScheduleOfInternationalFinancialGuaranteeInsuranceInForcePortfolioByLocationOfRiskTableTextBlock
Namespace Prefix: | ambc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration