| Name | CommodityFuturesContractsAndSpotCommoditiesProprietaryCapitalCharges |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Contract positions to buy or sell a particular commodity at a future date and, or, contracts to buy or sell commodities at current (spot) prices held or entered into by a broker or dealer trading on its own behalf, which positions are required to be considered in computing net capital (as defined). | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Commodity Futures Contracts and Spot Commodities, Proprietary Capital Charges (Deprecated 2019-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |