| Standard label: | Transfer to (from) Policyholder Account Balance (to) from Separate Account |
| Name: | us-gaap:TransferToFromPolicyholderAccountBalanceToFromSeparateAccount |
| Documentation: | Amount of transfer to (from) liability for policyholder account balance (to) from liability for separate account. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:TransferToFromPolicyholderAccountBalanceToFromSeparateAccount |
| Label | Role | Language |
| Transfer to (from) Policyholder Account Balance (to) from Separate Account | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 944 40 50 7A (a) | http://www.xbrl.org/2009/role/commonPracticeRef | 944 |
| FASB Accounting Standards Codification 944 40 55 29F | http://www.xbrl.org/2003/role/exampleRef | 944 |
| FASB Accounting Standards Codification 944 40 55 13J (f) | http://www.xbrl.org/2003/role/exampleRef | 944 |
| FASB Accounting Standards Codification 944 80 50 2 (a) | http://www.xbrl.org/2009/role/commonPracticeRef | 944 |
| FASB Accounting Standards Codification 944 80 55 18 | http://www.xbrl.org/2003/role/exampleRef | 944 |