Segment disclosures

Company overview

Ambac Financial Group Inc

Each reported dimension combination stays separate. Revenue and operating income are shown as reported, with their dates and sources.

Revenue · Reported segment facts

74 dimension combinations 612 retained observations 47 reported periods

Counts describe retained dimensioned rows only. Periods and members can change across reports, and this view does not infer missing values or expected segment totals.

Intersegment Elimination · Unaffiliated Customers · Intersegment Elimination · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-03-310 USD20150511Open filing evidence
2014-01-01 – 2014-12-310 USD20160511Open filing evidence
2014-01-01 – 2014-03-310 USD20150511Open filing evidence

Intersegment Elimination · Equity Method Investee · Intersegment Elimination · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-03-310 USD20150511Open filing evidence
2014-01-01 – 2014-12-310 USD20170228Open filing evidence
2014-01-01 – 2014-03-310 USD20150511Open filing evidence

Intersegment Elimination · Financial Services · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2015-01-01 – 2015-09-30-565000 USD20151109Open filing evidence
2015-01-01 – 2015-06-30-361000 USD20150810Open filing evidence
2014-01-01 – 2014-09-30-901000 USD20151109Open filing evidence
2014-01-01 – 2014-06-30-682000 USD20150810Open filing evidence

Intersegment Elimination · Corporate Non Segment · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31330000 USD20170510Open filing evidence
2016-07-01 – 2016-09-30229000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30615000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30387000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30387000 USD20160809Open filing evidence
2016-01-01 – 2016-03-311148000 USD20170510Open filing evidence
2015-07-01 – 2015-09-30252000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30388000 USD20161103Open filing evidence
2015-04-01 – 2015-06-30163000 USD20160809Open filing evidence
2015-01-01 – 2015-06-30136000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31-27000 USD20160511Open filing evidence
2014-07-01 – 2014-09-305838000 USD20151109Open filing evidence
2014-01-01 – 2014-09-3023309000 USD20151109Open filing evidence
2014-04-01 – 2014-06-308836000 USD20150810Open filing evidence
2014-01-01 – 2014-06-3017471000 USD20150810Open filing evidence

Intersegment Elimination · Financial Guarantee · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2015-01-01 – 2015-09-30286000 USD20151109Open filing evidence
2015-01-01 – 2015-06-30262000 USD20150810Open filing evidence
2014-01-01 – 2014-09-30937000 USD20151109Open filing evidence
2014-01-01 – 2014-06-30700000 USD20150810Open filing evidence

Intersegment Elimination · Intersegment Elimination · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-31-1115000 USD20170228Open filing evidence
2015-01-01 – 2015-12-31-145000 USD20170228Open filing evidence
2015-01-01 – 2015-03-310 USD20150511Open filing evidence
2014-01-01 – 2014-12-31-23345000 USD20160511Open filing evidence
2014-01-01 – 2014-03-31-8935000 USD20150511Open filing evidence

Operating Segments · Intersegment · Financial Services · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-198000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30-882000 USD20141110Open filing evidence
2013-01-01 – 2013-03-31-684000 USD20140512Open filing evidence
2012-01-01 – 2012-12-31-4992000 USD20140303Open filing evidence
2012-07-01 – 2012-09-30-1197000 USD20131114Open filing evidence
2012-01-01 – 2012-09-30-3986000 USD20131114Open filing evidence

Operating Segments · Intersegment · Financial Services · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-30-219000 USD20141110Open filing evidence
2014-01-01 – 2014-09-30-901000 USD20141110Open filing evidence
2014-04-01 – 2014-06-30-607000 USD20140811Open filing evidence
2014-01-01 – 2014-06-30-682000 USD20140811Open filing evidence
2014-01-01 – 2014-03-31-75000 USD20140512Open filing evidence
2013-05-01 – 2013-12-31-1210000 USD20140303Open filing evidence
2013-07-01 – 2013-09-30-472000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30-846000 USD20141110Open filing evidence
2013-05-01 – 2013-06-30-374000 USD20140811Open filing evidence

Operating Segments · Intersegment · Corporate And Other · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30197055000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30197055000 USD20141110Open filing evidence

Operating Segments · Intersegment · Corporate And Other · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-305838000 USD20141110Open filing evidence
2014-01-01 – 2014-09-3023309000 USD20141110Open filing evidence
2014-04-01 – 2014-06-308836000 USD20140811Open filing evidence
2014-01-01 – 2014-06-3017471000 USD20140811Open filing evidence
2013-07-01 – 2013-09-308259000 USD20141110Open filing evidence
2013-05-01 – 2013-09-3013684000 USD20141110Open filing evidence
2013-05-01 – 2013-06-305425000 USD20140811Open filing evidence

Operating Segments · Intersegment · Financial Guarantee · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30214000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30940000 USD20141110Open filing evidence
2013-01-01 – 2013-03-31726000 USD20140512Open filing evidence
2012-01-01 – 2012-12-315189000 USD20140303Open filing evidence
2012-07-01 – 2012-09-301244000 USD20131114Open filing evidence
2012-01-01 – 2012-09-304140000 USD20131114Open filing evidence

Operating Segments · Intersegment · Financial Guarantee · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-30237000 USD20141110Open filing evidence
2014-01-01 – 2014-09-30937000 USD20141110Open filing evidence
2014-04-01 – 2014-06-30325000 USD20140811Open filing evidence
2014-01-01 – 2014-06-30700000 USD20140811Open filing evidence
2014-01-01 – 2014-03-31375000 USD20140512Open filing evidence
2013-05-01 – 2013-12-311837000 USD20140303Open filing evidence
2013-07-01 – 2013-09-30512000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30911000 USD20141110Open filing evidence
2013-05-01 – 2013-06-30399000 USD20140811Open filing evidence

Operating Segments · Intersegment · Intersegment Elimination · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-197071000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30-197113000 USD20141110Open filing evidence

Operating Segments · Intersegment · Intersegment Elimination · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-30-5856000 USD20141110Open filing evidence
2014-01-01 – 2014-09-30-23345000 USD20141110Open filing evidence
2014-04-01 – 2014-06-30-8554000 USD20140811Open filing evidence
2014-01-01 – 2014-06-30-17489000 USD20140811Open filing evidence
2013-07-01 – 2013-09-30-8299000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30-13749000 USD20141110Open filing evidence
2013-05-01 – 2013-06-30-5450000 USD20140811Open filing evidence

Operating Segments · Unaffiliated Customers · Financial Services · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-33266000 USD20140811Open filing evidence
2013-01-01 – 2013-04-307339000 USD20141110Open filing evidence
2013-01-01 – 2013-03-3140605000 USD20140512Open filing evidence
2012-01-01 – 2012-12-31-72977000 USD20140303Open filing evidence
2012-07-01 – 2012-09-30-33021000 USD20131114Open filing evidence
2012-01-01 – 2012-09-30-72451000 USD20131114Open filing evidence

Operating Segments · Unaffiliated Customers · Financial Services · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31-1706000 USD20170510Open filing evidence
2016-07-01 – 2016-09-30-14286000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30-133613000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30-36114000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30-119328000 USD20160809Open filing evidence
2016-01-01 – 2016-03-31-83214000 USD20170510Open filing evidence
2015-07-01 – 2015-09-30-66997000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30-53566000 USD20161103Open filing evidence
2015-04-01 – 2015-06-3051139000 USD20160809Open filing evidence
2015-01-01 – 2015-06-3013431000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31-37708000 USD20160511Open filing evidence
2014-07-01 – 2014-09-30-15445000 USD20151109Open filing evidence
2014-01-01 – 2014-09-30-116294000 USD20151109Open filing evidence
2014-04-01 – 2014-06-30-47411000 USD20150810Open filing evidence
2014-01-01 – 2014-06-30-100849000 USD20150810Open filing evidence
2014-01-01 – 2014-03-31-53438000 USD20140512Open filing evidence
2013-05-01 – 2013-12-31116177000 USD20140303Open filing evidence
2013-07-01 – 2013-09-3014144000 USD20141110Open filing evidence
2013-05-01 – 2013-09-3096634000 USD20141110Open filing evidence
2013-05-01 – 2013-06-3082490000 USD20140811Open filing evidence

Operating Segments · Unaffiliated Customers · Corporate And Other · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-3010000 USD20140811Open filing evidence
2013-01-01 – 2013-04-3039000 USD20141110Open filing evidence

Operating Segments · Unaffiliated Customers · Corporate And Other · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-3078000 USD20141110Open filing evidence
2014-01-01 – 2014-09-30142000 USD20141110Open filing evidence
2014-04-01 – 2014-06-3041000 USD20140811Open filing evidence
2014-01-01 – 2014-06-3064000 USD20140811Open filing evidence
2013-07-01 – 2013-09-30126000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30146000 USD20141110Open filing evidence
2013-05-01 – 2013-06-3020000 USD20140811Open filing evidence

Operating Segments · Unaffiliated Customers · Financial Guarantee · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30382772000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30633010000 USD20141110Open filing evidence
2013-01-01 – 2013-03-31250238000 USD20140512Open filing evidence
2012-01-01 – 2012-12-31758331000 USD20140303Open filing evidence
2012-07-01 – 2012-09-30230014000 USD20131114Open filing evidence
2012-01-01 – 2012-09-30587506000 USD20131114Open filing evidence

Operating Segments · Unaffiliated Customers · Financial Guarantee · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31131850000 USD20170510Open filing evidence
2016-07-01 – 2016-09-30156236000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30393557000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30139947000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30237322000 USD20160809Open filing evidence
2016-01-01 – 2016-03-3197374000 USD20170510Open filing evidence
2015-07-01 – 2015-09-30152024000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30521340000 USD20161103Open filing evidence
2015-04-01 – 2015-06-30177502000 USD20160809Open filing evidence
2015-01-01 – 2015-06-30369316000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31191814000 USD20160511Open filing evidence
2014-07-01 – 2014-09-30170335000 USD20151109Open filing evidence
2014-01-01 – 2014-09-30437591000 USD20151109Open filing evidence
2014-04-01 – 2014-06-30104703000 USD20150810Open filing evidence
2014-01-01 – 2014-06-30267256000 USD20150810Open filing evidence
2014-01-01 – 2014-03-31162553000 USD20140512Open filing evidence
2013-05-01 – 2013-12-31464701000 USD20140303Open filing evidence
2013-07-01 – 2013-09-30157382000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30317287000 USD20141110Open filing evidence
2013-05-01 – 2013-06-30159905000 USD20140811Open filing evidence

Operating Segments · Unaffiliated Customers · Intersegment Elimination · Predecessor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-300 USD20140811Open filing evidence
2013-01-01 – 2013-04-300 USD20141110Open filing evidence

Operating Segments · Unaffiliated Customers · Intersegment Elimination · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-300 USD20141110Open filing evidence
2014-01-01 – 2014-09-300 USD20141110Open filing evidence
2014-04-01 – 2014-06-300 USD20140811Open filing evidence
2014-01-01 – 2014-06-300 USD20140811Open filing evidence
2013-07-01 – 2013-09-300 USD20141110Open filing evidence
2013-05-01 – 2013-09-300 USD20141110Open filing evidence
2013-05-01 – 2013-06-300 USD20140811Open filing evidence

Operating Segments · Equity Method Investee · Financial Services · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-310 USD20170510Open filing evidence
2016-07-01 – 2016-09-300 USD20161103Open filing evidence
2016-01-01 – 2016-09-300 USD20161103Open filing evidence
2016-04-01 – 2016-06-300 USD20160809Open filing evidence
2016-01-01 – 2016-06-300 USD20160809Open filing evidence
2016-01-01 – 2016-03-310 USD20170510Open filing evidence
2015-07-01 – 2015-09-300 USD20161103Open filing evidence
2015-01-01 – 2015-09-300 USD20161103Open filing evidence
2015-04-01 – 2015-06-300 USD20160809Open filing evidence
2015-01-01 – 2015-06-300 USD20160809Open filing evidence
2015-01-01 – 2015-03-310 USD20160511Open filing evidence
2014-07-01 – 2014-09-300 USD20151109Open filing evidence
2014-01-01 – 2014-09-300 USD20151109Open filing evidence
2014-04-01 – 2014-06-300 USD20150810Open filing evidence
2014-01-01 – 2014-06-300 USD20150810Open filing evidence

Operating Segments · Equity Method Investee · Corporate And Other · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-30371000 USD20141110Open filing evidence
2014-01-01 – 2014-09-30371000 USD20141110Open filing evidence

Operating Segments · Equity Method Investee · Financial Guarantee · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-310 USD20170510Open filing evidence
2016-07-01 – 2016-09-300 USD20161103Open filing evidence
2016-01-01 – 2016-09-300 USD20161103Open filing evidence
2016-04-01 – 2016-06-300 USD20160809Open filing evidence
2016-01-01 – 2016-06-300 USD20160809Open filing evidence
2016-01-01 – 2016-03-310 USD20170510Open filing evidence
2015-07-01 – 2015-09-300 USD20161103Open filing evidence
2015-01-01 – 2015-09-300 USD20161103Open filing evidence
2015-04-01 – 2015-06-300 USD20160809Open filing evidence
2015-01-01 – 2015-06-300 USD20160809Open filing evidence
2015-01-01 – 2015-03-310 USD20160511Open filing evidence
2014-07-01 – 2014-09-300 USD20151109Open filing evidence
2014-01-01 – 2014-09-300 USD20151109Open filing evidence
2014-04-01 – 2014-06-300 USD20150810Open filing evidence
2014-01-01 – 2014-06-300 USD20150810Open filing evidence

Operating Segments · Equity Method Investee · Intersegment Elimination · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-300 USD20141110Open filing evidence
2014-01-01 – 2014-09-300 USD20141110Open filing evidence

Operating Segments · Intersegment Elimination · Financial Services · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31-836000 USD20170510Open filing evidence
2016-07-01 – 2016-09-30-308000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30-1039000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30-393000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30-731000 USD20160809Open filing evidence
2016-01-01 – 2016-03-31-338000 USD20170510Open filing evidence
2015-07-01 – 2015-09-30-204000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30-565000 USD20161103Open filing evidence
2015-04-01 – 2015-06-30-131000 USD20160809Open filing evidence
2015-01-01 – 2015-06-30-361000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31-230000 USD20160511Open filing evidence
2014-07-01 – 2014-09-30-219000 USD20151109Open filing evidence
2014-04-01 – 2014-06-30-607000 USD20150810Open filing evidence

Operating Segments · Intersegment Elimination · Financial Guarantee · Successor

Consolidation Items · Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:MajorCustomersAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31908000 USD20170510Open filing evidence
2016-07-01 – 2016-09-30375000 USD20161103Open filing evidence
2016-01-01 – 2016-09-301214000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30464000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30839000 USD20160809Open filing evidence
2016-01-01 – 2016-03-31-772000 USD20170510Open filing evidence
2015-07-01 – 2015-09-3024000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30286000 USD20161103Open filing evidence
2015-04-01 – 2015-06-305000 USD20160809Open filing evidence
2015-01-01 – 2015-06-30262000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31257000 USD20160511Open filing evidence
2014-07-01 – 2014-09-30237000 USD20151109Open filing evidence
2014-04-01 – 2014-06-30325000 USD20150810Open filing evidence

Operating Segments · Financial Services · Predecessor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-33464000 USD20140811Open filing evidence
2013-01-01 – 2013-04-306457000 USD20141110Open filing evidence
2013-01-01 – 2013-03-3139921000 USD20140512Open filing evidence
2012-01-01 – 2012-12-31-77969000 USD20140303Open filing evidence
2012-07-01 – 2012-09-30-34218000 USD20131114Open filing evidence
2012-01-01 – 2012-09-30-76437000 USD20131114Open filing evidence

Operating Segments · Financial Services · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2015-07-01 – 2015-09-30-204000 USD20151109Open filing evidence
2015-04-01 – 2015-06-30-131000 USD20150810Open filing evidence
2015-01-01 – 2015-03-31-37938000 USD20160511Open filing evidence
2014-07-01 – 2014-09-30-15664000 USD20151109Open filing evidence
2014-01-01 – 2014-09-30-117195000 USD20141110Open filing evidence
2014-04-01 – 2014-06-30-48018000 USD20150810Open filing evidence
2014-01-01 – 2014-06-30-101531000 USD20140811Open filing evidence
2014-01-01 – 2014-03-31-53513000 USD20140512Open filing evidence
2013-05-01 – 2013-12-31114967000 USD20140303Open filing evidence
2013-07-01 – 2013-09-3013672000 USD20141110Open filing evidence
2013-05-01 – 2013-09-3095788000 USD20141110Open filing evidence
2013-05-01 – 2013-06-3082116000 USD20140811Open filing evidence

Operating Segments · Corporate And Other · Predecessor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30197065000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30197094000 USD20141110Open filing evidence

Operating Segments · Corporate And Other · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-306287000 USD20141110Open filing evidence
2014-01-01 – 2014-09-3023822000 USD20141110Open filing evidence
2014-04-01 – 2014-06-308877000 USD20140811Open filing evidence
2014-01-01 – 2014-06-3017535000 USD20140811Open filing evidence
2013-07-01 – 2013-09-308385000 USD20141110Open filing evidence
2013-05-01 – 2013-09-3013830000 USD20141110Open filing evidence
2013-05-01 – 2013-06-305445000 USD20140811Open filing evidence

Operating Segments · Financial Guarantee · Predecessor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30382986000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30633950000 USD20141110Open filing evidence
2013-01-01 – 2013-03-31250964000 USD20140512Open filing evidence
2012-01-01 – 2012-12-31763520000 USD20140303Open filing evidence
2012-07-01 – 2012-09-30231258000 USD20131114Open filing evidence
2012-01-01 – 2012-09-30591646000 USD20131114Open filing evidence

Operating Segments · Financial Guarantee · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2015-07-01 – 2015-09-3024000 USD20151109Open filing evidence
2015-04-01 – 2015-06-305000 USD20150810Open filing evidence
2015-01-01 – 2015-03-31192071000 USD20160511Open filing evidence
2014-07-01 – 2014-09-30170572000 USD20151109Open filing evidence
2014-01-01 – 2014-09-30438528000 USD20141110Open filing evidence
2014-04-01 – 2014-06-30105028000 USD20150810Open filing evidence
2014-01-01 – 2014-06-30267956000 USD20140811Open filing evidence
2014-01-01 – 2014-03-31162928000 USD20140512Open filing evidence
2013-05-01 – 2013-12-31466538000 USD20140303Open filing evidence
2013-07-01 – 2013-09-30157894000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30318198000 USD20141110Open filing evidence
2013-05-01 – 2013-06-30160304000 USD20140811Open filing evidence

Operating Segments · Intersegment Elimination · Predecessor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-197071000 USD20140811Open filing evidence
2013-01-01 – 2013-04-30-197113000 USD20141110Open filing evidence

Operating Segments · Intersegment Elimination · Successor

Consolidation Items · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:ConsolidationItemsAxis=us-gaap:OperatingSegmentsMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2014-07-01 – 2014-09-30-5856000 USD20141110Open filing evidence
2014-01-01 – 2014-09-30-23345000 USD20141110Open filing evidence
2014-04-01 – 2014-06-30-8554000 USD20140811Open filing evidence
2014-01-01 – 2014-06-30-17489000 USD20140811Open filing evidence
2013-07-01 – 2013-09-30-8299000 USD20141110Open filing evidence
2013-05-01 – 2013-09-30-13749000 USD20141110Open filing evidence
2013-05-01 – 2013-06-30-5450000 USD20140811Open filing evidence

Intersegment · Financial Services · Predecessor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-04-30-882000 USD20160511Open filing evidence
2012-01-01 – 2012-12-31-4992000 USD20150302Open filing evidence

Intersegment · Financial Services · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-3119794000 USD20170228Open filing evidence
2015-01-01 – 2015-12-31-849000 USD20170228Open filing evidence
2015-01-01 – 2015-03-31-230000 USD20150511Open filing evidence
2014-01-01 – 2014-12-31-1197000 USD20170228Open filing evidence
2014-01-01 – 2014-03-31-75000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31-1210000 USD20160511Open filing evidence

Intersegment · Corporate And Other · Predecessor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-04-300 RestatedUSD20160511Open filing evidence
2012-01-01 – 2012-12-31645000 USD20150302Open filing evidence

Intersegment · Corporate And Other · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-31873000 USD20170228Open filing evidence
2015-01-01 – 2015-12-31645000 USD20170228Open filing evidence
2015-01-01 – 2015-03-31-27000 USD20150511Open filing evidence
2014-01-01 – 2014-12-3123299000 USD20170228Open filing evidence
2014-01-01 – 2014-03-318635000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31219181000 RestatedUSD20160511Open filing evidence

Intersegment · Financial Guarantee · Predecessor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-04-30940000 USD20160511Open filing evidence
2012-01-01 – 2012-12-315189000 USD20150302Open filing evidence

Intersegment · Financial Guarantee · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:IntersegmentMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-31-19552000 USD20170228Open filing evidence
2015-01-01 – 2015-12-31349000 USD20170228Open filing evidence
2015-01-01 – 2015-03-31257000 USD20150511Open filing evidence
2014-01-01 – 2014-12-311243000 USD20170228Open filing evidence
2014-01-01 – 2014-03-31375000 USD20150511Open filing evidence
2013-05-01 – 2013-12-311837000 USD20160511Open filing evidence

Unaffiliated Customers · Financial Services · Predecessor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-04-307339000 USD20160511Open filing evidence
2012-01-01 – 2012-12-31-72977000 USD20150302Open filing evidence

Unaffiliated Customers · Financial Services · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-31-49434000 USD20170228Open filing evidence
2015-01-01 – 2015-12-31-44003000 USD20170228Open filing evidence
2015-01-01 – 2015-03-31-37708000 USD20150511Open filing evidence
2014-01-01 – 2014-12-31-179691000 USD20170228Open filing evidence
2014-01-01 – 2014-03-31-53438000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31116177000 USD20160511Open filing evidence

Unaffiliated Customers · Corporate And Other · Predecessor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-04-3039000 USD20160511Open filing evidence
2012-01-01 – 2012-12-31335000 USD20150302Open filing evidence

Unaffiliated Customers · Corporate And Other · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-316964000 USD20170228Open filing evidence
2015-01-01 – 2015-12-314663000 USD20170228Open filing evidence
2015-01-01 – 2015-03-31357000 USD20150511Open filing evidence
2014-01-01 – 2014-12-31407000 RestatedUSD20170228Open filing evidence
2014-01-01 – 2014-03-3123000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31170000 USD20160511Open filing evidence

Unaffiliated Customers · Financial Guarantee · Predecessor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-04-30633010000 USD20160511Open filing evidence
2012-01-01 – 2012-12-31758331000 USD20150302Open filing evidence

Unaffiliated Customers · Financial Guarantee · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=ambc:UnaffiliatedCustomersMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-31543955000 USD20170228Open filing evidence
2015-01-01 – 2015-12-31679662000 USD20170228Open filing evidence
2015-01-01 – 2015-03-31191814000 USD20150511Open filing evidence
2014-01-01 – 2014-12-31506559000 RestatedUSD20170228Open filing evidence
2014-01-01 – 2014-03-31162553000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31464701000 USD20160511Open filing evidence

Equity Method Investee · Financial Services · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-03-310 USD20150511Open filing evidence
2014-01-01 – 2014-12-310 USD20170228Open filing evidence
2014-01-01 – 2014-03-310 USD20150511Open filing evidence

Equity Method Investee · Corporate And Other · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-314664000 USD20170228Open filing evidence
2015-01-01 – 2015-12-314336000 USD20170228Open filing evidence
2015-01-01 – 2015-03-311028000 USD20150511Open filing evidence
2014-01-01 – 2014-12-311395000 USD20170228Open filing evidence
2014-01-01 – 2014-03-310 USD20150511Open filing evidence

Equity Method Investee · Financial Guarantee · Successor

Major Customers · Statement Business Segments · Statement Scenario

Source dimensions us-gaap:MajorCustomersAxis=us-gaap:EquityMethodInvesteeMember;us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-12-310 USD20170228Open filing evidence
2015-01-01 – 2015-03-310 USD20150511Open filing evidence
2014-01-01 – 2014-12-310 USD20170228Open filing evidence
2014-01-01 – 2014-03-310 USD20150511Open filing evidence

Financial Services

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=abk:FinancialServicesMember
PeriodValueUnitFiledEvidence
2012-01-01 – 2012-12-31-77969000 USD20130322Open filing evidence
2012-07-01 – 2012-09-30-34218000 USD20121114Open filing evidence
2012-01-01 – 2012-09-30-76437000 USD20121114Open filing evidence
2012-04-01 – 2012-06-30-95028000 USD20120910Open filing evidence
2012-01-01 – 2012-06-30-42219000 USD20120910Open filing evidence
2011-01-01 – 2011-12-31-277249000 USD20130322Open filing evidence
2011-07-01 – 2011-09-30-208212000 USD20121114Open filing evidence
2011-01-01 – 2011-09-30-258924000 USD20121114Open filing evidence
2011-04-01 – 2011-06-30-56302000 USD20120910Open filing evidence
2011-01-01 – 2011-06-30-50712000 USD20120910Open filing evidence

Eliminations

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:EliminationsMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30-2058000 USD20260806Open filing evidence
2026-01-01 – 2026-06-30-2058000 USD20260806Open filing evidence

Financial Services

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-03-3139921000 USD20130515Open filing evidence
2012-01-01 – 2012-03-3152809000 USD20130515Open filing evidence

Financial Services · Predecessor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-33464000 USD20130814Open filing evidence
2013-01-01 – 2013-04-306457000 USD20160511Open filing evidence
2012-01-01 – 2012-12-31-77969000 USD20150302Open filing evidence
2012-04-01 – 2012-06-30-95028000 USD20130814Open filing evidence
2012-01-01 – 2012-06-30-42219000 USD20130814Open filing evidence

Financial Services · Successor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:FinancialServicesMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31-2542000 USD20170510Open filing evidence
2016-01-01 – 2016-12-31-29640000 USD20170228Open filing evidence
2016-07-01 – 2016-09-30-14594000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30-134652000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30-36507000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30-120059000 USD20160809Open filing evidence
2016-01-01 – 2016-03-31-83552000 USD20170510Open filing evidence
2015-01-01 – 2015-12-31-44852000 USD20170228Open filing evidence
2015-07-01 – 2015-09-30-67201000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30-54131000 USD20161103Open filing evidence
2015-04-01 – 2015-06-3051008000 USD20160809Open filing evidence
2015-01-01 – 2015-06-3013070000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31-37938000 USD20150511Open filing evidence
2014-01-01 – 2014-12-31-180888000 USD20170228Open filing evidence
2014-01-01 – 2014-09-30-117195000 USD20151109Open filing evidence
2014-01-01 – 2014-06-30-101531000 USD20150810Open filing evidence
2014-01-01 – 2014-03-31-53513000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31114967000 USD20160511Open filing evidence
2013-05-01 – 2013-06-3082116000 USD20130814Open filing evidence

Insurance Distribution

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:InsuranceDistributionMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3058418000 USD20260806Open filing evidence
2026-01-01 – 2026-06-30136944000 USD20260806Open filing evidence
2026-01-01 – 2026-03-3178526000 USD20260506Open filing evidence
2025-01-01 – 2025-12-31163726000 USD20260304Open filing evidence
2025-04-01 – 2025-06-3033041000 USD20260806Open filing evidence
2025-01-01 – 2025-06-3074039000 USD20260806Open filing evidence
2025-01-01 – 2025-03-3140998000 USD20260506Open filing evidence
2024-01-01 – 2024-12-3199236000 USD20260304Open filing evidence
2023-01-01 – 2023-12-3151546000 RestatedUSD20260304Open filing evidence
2022-01-01 – 2022-12-3131410000 RestatedUSD20250306Open filing evidence
2021-01-01 – 2021-12-3126000000 USD20240227Open filing evidence

Legacy Financial Guarantee

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:LegacyFinancialGuaranteeMember
PeriodValueUnitFiledEvidence
2024-07-01 – 2024-09-3044000000 USD20241112Open filing evidence
2024-01-01 – 2024-09-30151000000 USD20241112Open filing evidence
2024-04-01 – 2024-06-3053000000 USD20240805Open filing evidence
2024-01-01 – 2024-06-30107000000 USD20240805Open filing evidence
2024-01-01 – 2024-03-3153000000 USD20240506Open filing evidence
2023-01-01 – 2023-12-31144000000 USD20240227Open filing evidence
2023-07-01 – 2023-09-3041000000 USD20241112Open filing evidence
2023-01-01 – 2023-09-30112000000 USD20241112Open filing evidence
2023-04-01 – 2023-06-3039000000 USD20240805Open filing evidence
2023-01-01 – 2023-06-3071000000 USD20240805Open filing evidence
2023-01-01 – 2023-03-3132000000 USD20240506Open filing evidence
2022-01-01 – 2022-12-31451000000 USD20240227Open filing evidence
2022-07-01 – 2022-09-3067000000 USD20231107Open filing evidence
2022-01-01 – 2022-09-30250000000 USD20231107Open filing evidence
2022-04-01 – 2022-06-3075000000 USD20230807Open filing evidence
2022-01-01 – 2022-06-30184000000 USD20230807Open filing evidence
2022-01-01 – 2022-03-31109000000 USD20230509Open filing evidence
2021-01-01 – 2021-12-31250000000 USD20240227Open filing evidence
2021-07-01 – 2021-09-3044000000 USD20221108Open filing evidence
2021-01-01 – 2021-09-30204000000 USD20221108Open filing evidence
2021-04-01 – 2021-06-3042000000 USD20220808Open filing evidence
2021-01-01 – 2021-06-30160000000 USD20220808Open filing evidence
2021-01-01 – 2021-03-31118000000 USD20220510Open filing evidence

Managing General Agency Underwriter

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:ManagingGeneralAgencyUnderwriterMember
PeriodValueUnitFiledEvidence
2025-07-01 – 2025-09-3043222000 USD20251110Open filing evidence
2025-01-01 – 2025-09-30117261000 USD20251110Open filing evidence
2025-04-01 – 2025-06-3033041000 USD20250807Open filing evidence
2025-01-01 – 2025-06-3074039000 USD20250807Open filing evidence
2025-01-01 – 2025-03-3140998000 USD20250512Open filing evidence
2024-07-01 – 2024-09-3023995000 RestatedUSD20251110Open filing evidence
2024-01-01 – 2024-09-3055166000 RestatedUSD20251110Open filing evidence
2024-04-01 – 2024-06-3013306000 RestatedUSD20250807Open filing evidence
2024-01-01 – 2024-06-3031171000 RestatedUSD20250807Open filing evidence
2024-01-01 – 2024-03-3117865000 RestatedUSD20250512Open filing evidence
2023-07-01 – 2023-09-3015000000 USD20241112Open filing evidence
2023-01-01 – 2023-09-3039000000 USD20241112Open filing evidence
2023-04-01 – 2023-06-3010000000 USD20240805Open filing evidence
2023-01-01 – 2023-06-3025000000 USD20240805Open filing evidence
2023-01-01 – 2023-03-3115000000 USD20240506Open filing evidence
2022-07-01 – 2022-09-307000000 USD20231107Open filing evidence
2022-01-01 – 2022-09-3022000000 USD20231107Open filing evidence
2022-04-01 – 2022-06-306000000 USD20230807Open filing evidence
2022-01-01 – 2022-06-3015000000 USD20230807Open filing evidence
2022-01-01 – 2022-03-319000000 USD20230509Open filing evidence
2021-07-01 – 2021-09-307000000 USD20221108Open filing evidence
2021-01-01 – 2021-09-3020000000 USD20221108Open filing evidence
2021-04-01 – 2021-06-306000000 USD20220808Open filing evidence
2021-01-01 – 2021-06-3013000000 USD20220808Open filing evidence
2021-01-01 – 2021-03-317000000 USD20220510Open filing evidence

Specialty Property And Casualty Insurance

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:SpecialtyPropertyAndCasualtyInsuranceMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-3026403000 USD20260806Open filing evidence
2026-01-01 – 2026-06-3051702000 USD20260806Open filing evidence
2026-01-01 – 2026-03-3125299000 USD20260506Open filing evidence
2025-04-01 – 2025-06-3021390000 USD20260806Open filing evidence
2025-01-01 – 2025-06-3042561000 USD20260806Open filing evidence
2025-01-01 – 2025-03-3121171000 USD20260506Open filing evidence

Specialty Property Casualty Program

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=ambc:SpecialtyPropertyCasualtyProgramMember
PeriodValueUnitFiledEvidence
2025-01-01 – 2025-12-3188403000 USD20260304Open filing evidence
2025-07-01 – 2025-09-3022774000 USD20251110Open filing evidence
2025-01-01 – 2025-09-3065335000 USD20251110Open filing evidence
2025-04-01 – 2025-06-3021390000 USD20250807Open filing evidence
2025-01-01 – 2025-06-3042561000 USD20250807Open filing evidence
2025-01-01 – 2025-03-3121171000 USD20250512Open filing evidence
2024-01-01 – 2024-12-31126320000 USD20260304Open filing evidence
2024-07-01 – 2024-09-3040132000 RestatedUSD20251110Open filing evidence
2024-01-01 – 2024-09-30101502000 RestatedUSD20251110Open filing evidence
2024-04-01 – 2024-06-3031828000 RestatedUSD20250807Open filing evidence
2024-01-01 – 2024-06-3061370000 RestatedUSD20250807Open filing evidence
2024-01-01 – 2024-03-3129542000 RestatedUSD20250512Open filing evidence
2023-01-01 – 2023-12-3164101000 RestatedUSD20260304Open filing evidence
2023-07-01 – 2023-09-3016000000 USD20241112Open filing evidence
2023-01-01 – 2023-09-3035000000 USD20241112Open filing evidence
2023-04-01 – 2023-06-3011000000 USD20240805Open filing evidence
2023-01-01 – 2023-06-3020000000 USD20240805Open filing evidence
2023-01-01 – 2023-03-319000000 USD20240506Open filing evidence
2022-01-01 – 2022-12-3118465000 RestatedUSD20250306Open filing evidence
2022-07-01 – 2022-09-306000000 USD20231107Open filing evidence
2022-01-01 – 2022-09-3011000000 USD20231107Open filing evidence
2022-04-01 – 2022-06-304000000 USD20230807Open filing evidence
2022-01-01 – 2022-06-305000000 USD20230807Open filing evidence
2022-01-01 – 2022-03-312000000 USD20230509Open filing evidence
2021-01-01 – 2021-12-312000000 USD20240227Open filing evidence
2021-07-01 – 2021-09-300 USD20221108Open filing evidence
2021-01-01 – 2021-09-301000000 USD20221108Open filing evidence
2021-04-01 – 2021-06-300 USD20220808Open filing evidence
2021-01-01 – 2021-06-300 USD20220808Open filing evidence
2021-01-01 – 2021-03-310 USD20220510Open filing evidence

Corporate And Other

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember
PeriodValueUnitFiledEvidence
2026-01-01 – 2026-03-31345000 USD20260506Open filing evidence
2025-07-01 – 2025-09-30610000 USD20251110Open filing evidence
2025-01-01 – 2025-09-301723000 USD20251110Open filing evidence
2025-04-01 – 2025-06-30526000 USD20250807Open filing evidence
2025-01-01 – 2025-06-301113000 USD20250807Open filing evidence
2025-01-01 – 2025-03-31587000 USD20260506Open filing evidence
2024-07-01 – 2024-09-305878000 RestatedUSD20251110Open filing evidence
2024-01-01 – 2024-09-3013925000 RestatedUSD20251110Open filing evidence
2024-04-01 – 2024-06-305904000 RestatedUSD20250807Open filing evidence
2024-01-01 – 2024-06-308048000 RestatedUSD20250807Open filing evidence
2024-01-01 – 2024-03-312145000 RestatedUSD20250512Open filing evidence
2023-01-01 – 2023-12-319000000 USD20240227Open filing evidence
2023-07-01 – 2023-09-303000000 USD20241112Open filing evidence
2023-01-01 – 2023-09-307000000 USD20241112Open filing evidence
2023-04-01 – 2023-06-302000000 USD20240805Open filing evidence
2023-01-01 – 2023-06-304000000 USD20240805Open filing evidence
2023-01-01 – 2023-03-312000000 USD20240506Open filing evidence
2022-01-01 – 2022-12-314000000 USD20240227Open filing evidence
2022-07-01 – 2022-09-301000000 USD20231107Open filing evidence
2022-01-01 – 2022-09-302000000 USD20231107Open filing evidence
2022-04-01 – 2022-06-302000000 USD20230807Open filing evidence
2022-01-01 – 2022-06-302000000 USD20230807Open filing evidence
2022-01-01 – 2022-03-310 USD20230509Open filing evidence
2021-01-01 – 2021-12-315000000 USD20240227Open filing evidence
2021-07-01 – 2021-09-300 USD20221108Open filing evidence
2021-01-01 – 2021-09-304000000 USD20221108Open filing evidence
2021-04-01 – 2021-06-300 USD20220808Open filing evidence
2021-01-01 – 2021-06-304000000 USD20220808Open filing evidence
2021-01-01 – 2021-03-314000000 USD20220510Open filing evidence
2013-01-01 – 2013-03-3129000 USD20130515Open filing evidence
2012-01-01 – 2012-12-31980000 USD20130322Open filing evidence
2012-07-01 – 2012-09-30169000 USD20121114Open filing evidence
2012-01-01 – 2012-09-30927000 USD20121114Open filing evidence
2012-04-01 – 2012-06-3056000 USD20120910Open filing evidence
2012-01-01 – 2012-06-30758000 USD20120910Open filing evidence
2012-01-01 – 2012-03-31702000 USD20130515Open filing evidence
2011-01-01 – 2011-12-317669000 USD20130322Open filing evidence
2011-07-01 – 2011-09-302945000 USD20121114Open filing evidence
2011-01-01 – 2011-09-303094000 USD20121114Open filing evidence
2011-04-01 – 2011-06-3072000 USD20120910Open filing evidence
2011-01-01 – 2011-06-30149000 USD20120910Open filing evidence

Corporate And Other · Predecessor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30197065000 USD20130814Open filing evidence
2013-01-01 – 2013-04-3039000 RestatedUSD20160511Open filing evidence
2012-01-01 – 2012-12-31980000 USD20150302Open filing evidence
2012-04-01 – 2012-06-3056000 USD20130814Open filing evidence
2012-01-01 – 2012-06-30758000 USD20130814Open filing evidence

Corporate And Other · Successor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateAndOtherMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2016-01-01 – 2016-12-3112501000 USD20170228Open filing evidence
2015-01-01 – 2015-12-319644000 USD20170228Open filing evidence
2015-01-01 – 2015-03-311358000 USD20150511Open filing evidence
2014-01-01 – 2014-12-3125101000 RestatedUSD20170228Open filing evidence
2014-01-01 – 2014-03-318658000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31219351000 RestatedUSD20160511Open filing evidence
2013-05-01 – 2013-06-305445000 USD20130814Open filing evidence

Corporate

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateMember
PeriodValueUnitFiledEvidence
2026-04-01 – 2026-06-30232000 USD20260806Open filing evidence
2026-01-01 – 2026-06-30577000 USD20260806Open filing evidence
2025-01-01 – 2025-12-31-907000 USD20260304Open filing evidence
2025-04-01 – 2025-06-30526000 USD20260806Open filing evidence
2025-01-01 – 2025-06-301113000 USD20260806Open filing evidence
2024-01-01 – 2024-12-3110259000 USD20260304Open filing evidence
2023-01-01 – 2023-12-319080000 USD20260304Open filing evidence

Corporate Non Segment · Successor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporateNonSegmentMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31-3586000 USD20170510Open filing evidence
2016-07-01 – 2016-09-303307000 USD20161103Open filing evidence
2016-01-01 – 2016-09-309333000 USD20161103Open filing evidence
2016-04-01 – 2016-06-303286000 USD20160809Open filing evidence
2016-01-01 – 2016-06-306027000 USD20160809Open filing evidence
2016-01-01 – 2016-03-313890000 USD20170510Open filing evidence
2015-07-01 – 2015-09-302915000 USD20161103Open filing evidence
2015-01-01 – 2015-09-306547000 USD20161103Open filing evidence
2015-04-01 – 2015-06-302274000 USD20160809Open filing evidence
2015-01-01 – 2015-06-303632000 USD20160809Open filing evidence
2015-01-01 – 2015-03-311358000 USD20160511Open filing evidence
2014-07-01 – 2014-09-306287000 USD20151109Open filing evidence
2014-01-01 – 2014-09-3023822000 USD20151109Open filing evidence
2014-04-01 – 2014-06-308877000 USD20150810Open filing evidence
2014-01-01 – 2014-06-3017535000 USD20150810Open filing evidence

Corporation

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:CorporationMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-313737000 USD20250306Open filing evidence

Financial Guarantee

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-03-31251519000 USD20130515Open filing evidence
2012-01-01 – 2012-12-31763520000 USD20130322Open filing evidence
2012-07-01 – 2012-09-30231258000 USD20121114Open filing evidence
2012-01-01 – 2012-09-30591646000 USD20121114Open filing evidence
2012-04-01 – 2012-06-3089062000 USD20120910Open filing evidence
2012-01-01 – 2012-06-30360388000 USD20120910Open filing evidence
2012-01-01 – 2012-03-31271326000 USD20130515Open filing evidence
2011-01-01 – 2011-12-31573006000 USD20130322Open filing evidence
2011-07-01 – 2011-09-30233933000 USD20121114Open filing evidence
2011-01-01 – 2011-09-30636119000 USD20121114Open filing evidence
2011-04-01 – 2011-06-30204496000 USD20120910Open filing evidence
2011-01-01 – 2011-06-30402186000 USD20120910Open filing evidence

Financial Guarantee · Predecessor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30383171000 USD20130814Open filing evidence
2013-01-01 – 2013-04-30633950000 RestatedUSD20160511Open filing evidence
2012-01-01 – 2012-12-31763520000 USD20150302Open filing evidence
2012-04-01 – 2012-06-3089062000 USD20130814Open filing evidence
2012-01-01 – 2012-06-30360388000 USD20130814Open filing evidence

Financial Guarantee · Successor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:FinancialGuaranteeMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31132758000 USD20170510Open filing evidence
2016-01-01 – 2016-12-31524403000 USD20170228Open filing evidence
2016-07-01 – 2016-09-30156611000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30394771000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30140411000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30238161000 USD20160809Open filing evidence
2016-01-01 – 2016-03-3196602000 USD20170510Open filing evidence
2015-01-01 – 2015-12-31680011000 USD20170228Open filing evidence
2015-07-01 – 2015-09-30152048000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30521626000 USD20161103Open filing evidence
2015-04-01 – 2015-06-30177507000 USD20160809Open filing evidence
2015-01-01 – 2015-06-30369578000 USD20160809Open filing evidence
2015-01-01 – 2015-03-31192071000 USD20150511Open filing evidence
2014-01-01 – 2014-12-31507802000 RestatedUSD20170228Open filing evidence
2014-01-01 – 2014-09-30438528000 USD20151109Open filing evidence
2014-01-01 – 2014-06-30267956000 USD20150810Open filing evidence
2014-01-01 – 2014-03-31162928000 USD20150511Open filing evidence
2013-05-01 – 2013-12-31466538000 USD20160511Open filing evidence
2013-05-01 – 2013-06-30160674000 USD20130814Open filing evidence

Intersegment Elimination

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember
PeriodValueUnitFiledEvidence
2013-01-01 – 2013-03-31-42000 USD20130515Open filing evidence
2012-01-01 – 2012-12-31-842000 USD20130322Open filing evidence
2012-07-01 – 2012-09-30-47000 USD20121114Open filing evidence
2012-01-01 – 2012-09-30-799000 USD20121114Open filing evidence
2012-04-01 – 2012-06-30-51000 USD20120910Open filing evidence
2012-01-01 – 2012-06-30-752000 USD20120910Open filing evidence
2012-01-01 – 2012-03-31-701000 USD20130515Open filing evidence
2011-01-01 – 2011-12-31-7662000 USD20130322Open filing evidence
2011-07-01 – 2011-09-30-2949000 USD20121114Open filing evidence
2011-01-01 – 2011-09-30-3094000 USD20121114Open filing evidence
2011-04-01 – 2011-06-30-71000 USD20120910Open filing evidence
2011-01-01 – 2011-06-30-145000 USD20120910Open filing evidence

Intersegment Elimination · Predecessor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:PredecessorMember
PeriodValueUnitFiledEvidence
2013-04-01 – 2013-04-30-197071000 USD20130814Open filing evidence
2013-01-01 – 2013-04-30-197113000 USD20130814Open filing evidence
2012-04-01 – 2012-06-30-51000 USD20130814Open filing evidence
2012-01-01 – 2012-06-30-752000 USD20130814Open filing evidence

Intersegment Elimination · Successor

Statement Business Segments · Statement Scenario

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:IntersegmentEliminationMember;us-gaap:StatementScenarioAxis=us-gaap:SuccessorMember
PeriodValueUnitFiledEvidence
2017-01-01 – 2017-03-31-402000 USD20170510Open filing evidence
2016-07-01 – 2016-09-30-296000 USD20161103Open filing evidence
2016-01-01 – 2016-09-30-790000 USD20161103Open filing evidence
2016-04-01 – 2016-06-30-458000 USD20160809Open filing evidence
2016-01-01 – 2016-06-30-495000 USD20160809Open filing evidence
2016-01-01 – 2016-03-31-38000 USD20170510Open filing evidence
2015-07-01 – 2015-09-30-72000 USD20161103Open filing evidence
2015-01-01 – 2015-09-30-109000 USD20161103Open filing evidence
2015-04-01 – 2015-06-30-37000 USD20160809Open filing evidence
2015-01-01 – 2015-06-30-37000 USD20160809Open filing evidence
2015-01-01 – 2015-03-310 USD20160511Open filing evidence
2014-07-01 – 2014-09-30-5856000 USD20151109Open filing evidence
2014-01-01 – 2014-09-30-23345000 USD20151109Open filing evidence
2014-04-01 – 2014-06-30-8554000 USD20150810Open filing evidence
2014-01-01 – 2014-06-30-17489000 USD20150810Open filing evidence
2013-05-01 – 2013-06-30-5450000 USD20130814Open filing evidence

Property And Casualty Commercial Insurance Product Line

Statement Business Segments

Source dimensions us-gaap:StatementBusinessSegmentsAxis=us-gaap:PropertyAndCasualtyCommercialInsuranceProductLineMember
PeriodValueUnitFiledEvidence
2022-01-01 – 2022-12-3118000000 USD20230301Open filing evidence
2021-01-01 – 2021-12-312000000 USD20230301Open filing evidence