XML 39 R134.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Segment Information - Schedule of Gross Premiums Written, Net Premiums Earned and Net Change in Fair Value of Credit Derivatives (Detail) (USD $) In Thousands, unless otherwise specified | 2 Months Ended | 3 Months Ended | 8 Months Ended | 12 Months Ended | 1 Months Ended | 3 Months Ended | 4 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2013 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Dec. 31, 2013 | Dec. 31, 2014 | Apr. 30, 2013 | Mar. 31, 2013 | Apr. 30, 2013 | Dec. 31, 2012
Successor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written | $ (34,081)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (223,358)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (13,700)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (45,486)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (5,766)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (11,848)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (34,380)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (80,309)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | $ (288,310)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net premiums earned | 58,039 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 33,969 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 64,831 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 65,013 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 82,547 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 84,530 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 70,949 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 213,518 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 246,360 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net Change In Fair Value Of Credit Derivatives | 51,220 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 10,327 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 7,416 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (1,219)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 7,382 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 110,455 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 31,194 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 192,869 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 23,906 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Successor [Member] | Reportable Geographical Components [Member] | United States [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  | (61,255)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (46,279)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net premiums earned |  |  |  |  |  |  |  | 165,099 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 197,154 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  | 122,696 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 8,669 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Successor [Member] | Reportable Geographical Components [Member] | United Kingdom [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  | (7,368)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (221,516)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net premiums earned |  |  |  |  |  |  |  | 35,387 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 31,672 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  | 22,548 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 0 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Successor [Member] | Reportable Geographical Components [Member] | Other International [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  | (11,686)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | (20,515)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net premiums earned |  |  |  |  |  |  |  | 13,032 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 17,534 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  | 47,625 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember | 15,237 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_SuccessorMember |  |  |  |
Predecessor [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  |  |  | (10,595)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (3,530)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (14,125)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (277,508)us-gaap_PremiumsWrittenGross / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net premiums earned |  |  |  |  |  |  |  |  |  | 29,744 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 100,256 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 130,000 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 414,604 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  |  |  | (73,171)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 12,787 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (60,384)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (9,219)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Predecessor [Member] | Reportable Geographical Components [Member] | United States [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  |  |  |  |  | (16,102)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (260,517)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net premiums earned |  |  |  |  |  |  |  |  |  |  |  | 104,594 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 315,367 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  |  |  |  |  | (31,134)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (8,496)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_US / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Predecessor [Member] | Reportable Geographical Components [Member] | United Kingdom [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  |  |  |  |  | 10,673 us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 10,785 us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net premiums earned |  |  |  |  |  |  |  |  |  |  |  | 18,071 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 73,955 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  |  |  |  |  | (5,861)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (5,709)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = country_GB / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Predecessor [Member] | Reportable Geographical Components [Member] | Other International [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Gross Premiums Written |  |  |  |  |  |  |  |  |  |  |  | (8,696)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | (27,776)us-gaap_PremiumsWrittenGross / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net premiums earned |  |  |  |  |  |  |  |  |  |  |  | 7,335 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | 25,282 us-gaap_PremiumsEarnedNetFinancialGuaranteeInsuranceContracts / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net Change In Fair Value Of Credit Derivatives |  |  |  |  |  |  |  |  |  |  |  | $ (23,389)us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember | $ 4,986 us-gaap_GainLossOnDerivativeInstrumentsNetPretax / us-gaap_ConsolidationItemsAxis = us-gaap_ReportableGeographicalComponentsMember / us-gaap_StatementGeographicalAxis = ambc_OtherInternationalMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember

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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 + Details
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- Definition Amount, after premiums ceded to other entities and premiums assumed by the entity, of financial guarantee premiums earned. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.1) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 1 -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486662&loc=d3e27175-158546 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6933001&loc=SL5747862-161289 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6811-158387 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6480758&loc=d3e6816-158387 + Details
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- Definition Amount of direct and assumed premiums written. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 605 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547 + Details
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