| Name | DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsPeriodIncreaseDecrease |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Period Increase (Decrease) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Period Increase (Decrease), Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Amount of increase (decrease) in deferred policy acquisition costs and present value of future profits from insurance contract acquired in business combination. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2016-01 | http://fasb.org/us-gaap/role/tin/value |
| Positive_XBRL_Value | Increase | http://fasb.org/us-gaap/role/tin/value |
| Negative_XBRL_Value | Decrease | http://fasb.org/us-gaap/role/tin/value |
| elementCreationTaxonomyVersion | 2008 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Long-duration Insurance | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-11 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-12 | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 944 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 40 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 65 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 2 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (g)(1) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 944 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 30 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 50 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 2B | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (a) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=124505477&loc=SL117422543-158416 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAdditions | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsDisposition | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1 | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsUnrealizedGainLossOnInvestment | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsForeignCurrencyTranslationGainLoss | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:DeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfitsImpairmentLoss | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:MovementAnalysisOfDeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:MovementAnalysisOfDeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:MovementAnalysisOfDeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceADeferredPolicyAcquisitionCostAndPresentValueOfFutureProfitTable |