| Name | ShortdurationInsuranceContractsHistoricalClaimsDurationTable |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Short-duration Insurance Contracts, Historical Claims Duration [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:ProductOrServiceAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:StatementBusinessSegmentsAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
srt:ProductOrServiceAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceShortdurationInsuranceContractsHistoricalClaimsDurationTable | |
us-gaap:StatementBusinessSegmentsAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceShortdurationInsuranceContractsHistoricalClaimsDurationTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ShortdurationInsuranceContractsScheduleOfHistoricalClaimsDurationTableTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsurance | |
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationLineItems | all | http://fasb.org/us-gaap/role/disclosure/FinancialServicesInsuranceShortdurationInsuranceContractsHistoricalClaimsDurationTable |