| Name | DeferredTaxLiabilityNotRecognizedDescriptionOfTemporaryDifferencePolicyholdersSurplus |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Description of temporary difference for which a deferred tax liability has not been recognized because of the exceptions to comprehensive recognition of deferred taxes related to a policyholders' surplus. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Deferred Tax Liability Not Recognized, Description of Temporary Difference, Policyholders' Surplus | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |