XML 49 R30.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Insurance Intangible Asset [Member] |
Finite-Lived Intangible Assets [Line Items] |
Schedule of Finite-Lived Intangible Assets | ntangible assets and accumulated amortization are included in the Consolidated Balance Sheets, as shown below.
|  | March 31, 2024 |  | December 31, 2023
Finite-lived Intangible Assets: |  |  |  |
Insurance intangible: |  |  |  |
Gross carrying value |  | $ | 1,256 |  |  | $ | 1,258 |
Accumulated amortization |  | 1,023 |  |  | 1,013 |
Net insurance intangible asset |  | 233 |  |  | 245 |
Other intangibles: |  |  |  |
Gross carrying value |  | 57 |  |  | 57 |
Accumulated amortization |  | 11 |  |  | 10 |
Net other intangible assets |  | 46 |  |  | 47 |
Total finite-lived intangible assets |  | 279 |  |  | 292 |
Indefinite-lived Intangible Assets: |  |  |  |
Insurance licenses |  | 14 |  |  | 14 |
Total intangible assets |  | $ | 293 |  |  | $ | 307 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 926 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483154/926-20-50-5 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=ambc_InsuranceIntangibleAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |