XML 74 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Debtor in Possession Financial Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Reorganizations [Abstract] |
Summary of Liabilities Subject to Compromise in Consolidated Balance Sheets | The Liabilities subject to compromise in the Consolidated Balance Sheets consists of the following:
|  | March 31, 2013 |  |  | December 31, 2012 |
Debt obligations and accrued interest payable |  | $ | 1,690,312 |  |  | $ | 1,690,312 |
Accounts payable |  |  | 14,329 |  |  |  | 14,592 |
Consolidated liabilities subject to compromise |  |  | 1,704,641 |  |  |  | 1,704,904 |
Payable to non-debtor subsidiaries |  |  | — |  |  |  | 35 |
Debtor’s Liabilities subject to compromise |  | $ | 1,704,641 |  |  | $ | 1,704,939 |
Summary of Reorganization Items in Consolidated Statements of Total Comprehensive Income | The reorganization items in the Consolidated Statements of Total Comprehensive Income for the three months ended March 31, 2013 and 2012 consisted of the following items:
|  | Three months ended March 31, 2013 |  |  | Three months ended March 31, 2012 |
U.S. Trustee fees |  | $ | 10 |  |  | $ | 20 |
Professional fees |  |  | 2,049 |  |  |  | 2,441 |
Total reorganization items |  | $ | 2,059 |  |  | $ | 2,461 |

X
- Definition Schedule of reorganization items. + References No definition available. + Details
Name: | ambc_ScheduleOfReorganizationItemsTableTextBlock
Namespace Prefix: | ambc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular presentation of liabilities subject to compromise. + References No definition available. + Details
Name: | ambc_SummaryOfLiabilitiesSubjectToCompromiseTableTextBlock
Namespace Prefix: | ambc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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