| Name | GainContingenciesTable |
|---|---|
| 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 |
|---|---|---|---|
| Gain Contingencies [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Sets forth the existing conditions, situations, or sets of circumstances involving uncertainties as of the balance sheet date (or before issuance of the financial statements) that might result in a gain, typically reflecting care to avoid misleading implications as to the likelihood of realization, and previously disclosed contingent gains that were recognized as income in the period. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 450 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 30 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=6397426&loc=d3e17499-108355 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:GainContingenciesByNatureAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies | |
us-gaap:IncomeStatementLocationAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies | |
us-gaap:GainContingenciesLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies | |
us-gaap:GainContingenciesByNatureAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingenciesGainContingenciesTable | |
us-gaap:IncomeStatementLocationAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingenciesGainContingenciesTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:ScheduleOfGainContingenciesByContingencyTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingencies | |
us-gaap:GainContingenciesLineItems | all | http://fasb.org/us-gaap/role/disclosure/CommitmentAndContingenciesGainContingenciesTable |