| Name | DividendsDomain |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Dividends [Domain] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Distributions of earnings to shareholders including but not limited to cash, property or capital stock. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DividendDeclaredMember | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures | |
us-gaap:DividendPaidMember | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures | |
us-gaap:DividendDeclaredMember | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosuresDividendsPayableTable | |
us-gaap:DividendPaidMember | domain-member | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosuresDividendsPayableTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DividendsAxis | parent-child | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosures | |
us-gaap:DividendsAxis | dimension-default | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosuresDividendsPayableTable | |
us-gaap:DividendsAxis | dimension-domain | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsSupplementalDisclosuresDividendsPayableTable |