| Name | MajorTypesOfDebtAndEquitySecuritiesDomain |
|---|---|
| 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 |
|---|---|---|---|
| Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions. Equity securities are ownership interests or the right to acquire or dispose of ownership interests in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Major Types of Debt and Equity Securities [Domain] (Deprecated 2018-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |