| Name | LossContingencyBalanceSheetCaption |
|---|---|
| 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 |
|---|---|---|---|
| Loss Contingency, Balance Sheet Caption | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Identifies the line item(s) of the balance sheet that reflect the loss contingency liabilities. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:LossContingencyClassificationOfAccrualAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies | |
us-gaap:LossContingencyClassificationOfAccrualAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingenciesLossContingenciesTable |