| Name | TransferToFromPolicyholderAccountBalanceToFromSeparateAccount |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Transfer to (from) Policyholder Account Balance (to) from Separate Account | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of transfer to (from) liability for policyholder account balance (to) from liability for separate account. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Note | Element is intended to be used for each reported period for which amendment from Accounting Standards Update identified in tin-part:Source_ASU_Number is applied. | http://fasb.org/us-gaap/role/tin/transition |
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/transition |
| Source | ASU | http://fasb.org/us-gaap/role/tin/transition |
| SourceName | Long-duration Insurance | http://fasb.org/us-gaap/role/tin/transition |
| Source_ASU_Number | 2018-12 | http://fasb.org/us-gaap/role/tin/transition |
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/resource |
| Source | Taxonomy Implementation Guide | http://fasb.org/us-gaap/role/tin/resource |
| SourceName | Insurance-Long-Duration Contracts | http://fasb.org/us-gaap/role/tin/resource |
| inlineURI | https://xbrl.fasb.org/ix/?doc=../impdocs/LD_TIG/LongDuration.htm | http://fasb.org/us-gaap/role/tin/resource |
| pdfURI | https://www.fasb.org/insurancelongduration_2020 | http://fasb.org/us-gaap/role/tin/resource |
| Note | Element is modeled from perspective of statement of financial position. | http://fasb.org/us-gaap/role/tin/usage |
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/usage |
| elementCreationTaxonomyVersion | 2019 | 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 | 2018-08 | http://fasb.org/srt/role/changeNote/changeNote |
| NewElement | 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 | 80 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 50 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 2 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (a) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=124508989&loc=SL117422267-158473 | 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 | 40 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 50 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 7A | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (a) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 944 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 40 | http://www.xbrl.org/2003/role/exampleRef |
| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 29F | http://www.xbrl.org/2003/role/exampleRef |
| URI | http://asc.fasb.org/extlink&oid=124504033&loc=SL117819544-158441 | http://www.xbrl.org/2003/role/exampleRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 944 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 80 | http://www.xbrl.org/2003/role/exampleRef |
| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 18 | http://www.xbrl.org/2003/role/exampleRef |
| URI | http://asc.fasb.org/extlink&oid=124505678&loc=SL117422401-158474 | http://www.xbrl.org/2003/role/exampleRef |
| Publisher | FASB | http://www.xbrl.org/2003/role/exampleRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/exampleRef |
| Topic | 944 | http://www.xbrl.org/2003/role/exampleRef |
| SubTopic | 40 | http://www.xbrl.org/2003/role/exampleRef |
| Section | 55 | http://www.xbrl.org/2003/role/exampleRef |
| Paragraph | 13J | http://www.xbrl.org/2003/role/exampleRef |
| Subparagraph | (f) | http://www.xbrl.org/2003/role/exampleRef |
| URI | http://asc.fasb.org/extlink&oid=124504033&loc=SL117783734-158441 | http://www.xbrl.org/2003/role/exampleRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:PolicyholderAccountBalanceRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:SeparateAccountLiabilityRollForward | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:PolicyholderAccountBalancePeriodIncreaseDecrease | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:SeparateAccountLiabilityPeriodIncreaseDecrease | summation-item | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceA | |
us-gaap:PolicyholderAccountBalanceRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceAPolicyholderAccountBalanceTable | |
us-gaap:SeparateAccountLiabilityRollForward | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceASeparateAccountLiabilityTable |