| Name | InvestmentsByConsolidatedAndNonconsolidatedEntitiesAxis |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:dimensionItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Investments by Consolidated and Nonconsolidated Entities [Axis] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:VariableInterestEntitiesByClassificationOfEntityAxis | dep-concept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated | |
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssets | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated | |
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountLiabilities | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated | |
us-gaap:VariableInterestEntityNonconsolidatedCarryingAmountAssetsAndLiabilitiesNet | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated | |
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntitiesDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatements | |
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntitiesDomain | dimension-default | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatementsScheduleOfVariableInterestEntitiesTable | |
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntitiesDomain | dimension-domain | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatementsScheduleOfVariableInterestEntitiesTable | |
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntitiesDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntitiesDomain | dimension-default | http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfVariableInterestEntitiesTable | |
us-gaap:InvestmentsByConsolidatedAndNonconsolidatedEntitiesDomain | dimension-domain | http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfVariableInterestEntitiesTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfVariableInterestEntitiesTable | parent-child | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatements | |
us-gaap:ScheduleOfVariableInterestEntitiesTable | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/OrganizationConsolidationAndPresentationOfFinancialStatementsScheduleOfVariableInterestEntitiesTable | |
us-gaap:ScheduleOfVariableInterestEntitiesTable | parent-child | http://fasb.org/us-gaap/role/disclosure/AccountingPolicies | |
us-gaap:ScheduleOfVariableInterestEntitiesTable | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/AccountingPoliciesScheduleOfVariableInterestEntitiesTable |