XML 45 R27.htm IDEA: XBRL DOCUMENT
v3.21.1

Intangible Assets (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
Finite-Lived Intangible Assets [Line Items] |
Finite-lived Intangible Assets Amortization Expense | Amortization expense is included in the Consolidated Statements of Total Comprehensive Income (Loss), as shown below.
Three Months Ended March 31, |  | 2021 |  | 2020 |  |  |  |
Insurance amortization expense |  | $ | 19 |  |  | $ | 13 |  |  |  |  |
Other amortization expense |  | 1 |  |  | — |  |  |  |  |
Total |  | $ | 19 |  |  | $ | 13 |  |  |  |  |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The estimated future amortization expense for intangible assets is as follows:
Amortization expense |  | Insurance Intangible Asset (1) (2) |  | Other Intangible Assets |  | Total
2021 (Nine months) |  | $ | 28 |  |  | $ | 2 |  |  | $ | 30 |
2022 |  | 35 |  |  | 3 |  |  | 37 |
2023 |  | 31 |  |  | 3 |  |  | 34 |
2024 |  | 29 |  |  | 3 |  |  | 31 |
2025 |  | 26 |  |  | 3 |  |  | 29 |
Thereafter |  | 207 |  |  | 22 |  |  | 229 |
(1)The insurance intangible asset will be amortized using a level-yield method based on par exposure of the related financial guarantee insurance or reinsurance contracts. Future amortization considers the use of contractual lives for many bond types which do not have homogeneous pools of underlying collateral. Actual maturities will differ from contractual maturities because borrowers have the right to call or prepay certain obligations. If those obligations are retired early, amortization expense may differ in the period of call or refinancing. from the amounts provided in the table above. (2)The weighted-average insurance intangible amortization period is 7.4 years.
Insurance Intangible Asset [Member] |
Finite-Lived Intangible Assets [Line Items] |
Schedule of Finite-Lived Intangible Assets | The insurance intangible asset and accumulated amortization are included in the Consolidated Balance Sheets, as shown below.
|  | March 31, 2021 |  | December 31, 2020
Gross carrying value of insurance intangible asset |  | $ | 1,282 |  |  | $ | 1,281 |
Accumulated amortization of insurance intangible asset |  | 927 |  |  | 908 |
Net insurance intangible asset |  | $ | 356 |  |  | 373 |

X
- Definition Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
Name: | us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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