| Name | IncomeLossFromSubsidiariesTaxExpenseBenefit |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Income (Loss) from Subsidiaries, Tax Expense (Benefit) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of income tax expense (benefit) on income (loss) of subsidiary attributable to the parent entity. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:IncomeLossFromSubsidiariesNetOfTax | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncomeDiscontinuedOperationsAlternate | |
us-gaap:IncomeLossFromSubsidiariesNetOfTaxAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-04CondensedFinancialInformation | |
us-gaap:IncomeLossFromSubsidiariesNetOfTaxAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/SECScheduleArticle12-04CondensedFinancialInformationCondensedIncomeStatementTable |