Commitments and Contingencies (Details) - U.S. Commodity Futures Trading Commission (CFTC)	6 Months Ended
Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items]
Loss contingency, filing date	Apr. 01, 2015
Loss contingency, damages sought	$ 1,000,000
Each Additional Violation of the Commodity Exchange Act
Loss Contingencies [Line Items]
Loss contingency, damages sought	$ 140,000

States the date the complaint was formally filed in a court of law, in arbitration or mediation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
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-Section 50
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
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-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

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