Derivative Instruments And Hedging Activities Notional Contracts by Derivative Type (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) MMBTU bbl XPT ( )
Platinum, Ounces
Economic hedges by derivative type [Line Items]
Derivative forward contract - platinum |	40,867
Maturing in Year Two [Member] | Platinum, Ounces
Economic hedges by derivative type [Line Items]
Derivative forward contract - platinum |	40,867
Not Designated as Hedging Instrument [Member]
Economic hedges by derivative type [Line Items]
Foreign currency forward contracts | $	$ 419,278,042
Not Designated as Hedging Instrument [Member] | Forward gasoline and diesel contracts [Member]
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	200,000
Not Designated as Hedging Instrument [Member] | NYMEX WTI Short
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	1,045,000
Not Designated as Hedging Instrument [Member] | wti and gasoline crack spread swaps
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	100,000
Not Designated as Hedging Instrument [Member] | Excess crude oil revenues
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	368,000
Not Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member]
Economic hedges by derivative type [Line Items]
Foreign currency forward contracts | $	$ 106,910,645
Not Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | Forward gasoline and diesel contracts [Member]
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	200,000
Not Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | Platinum, Ounces
Economic hedges by derivative type [Line Items]
Derivative forward contract - platinum |	0
Not Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | NYMEX WTI Short
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	830,000
Not Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | wti and gasoline crack spread swaps
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	100,000
Not Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | Excess crude oil revenues
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	368,000
Not Designated as Hedging Instrument [Member] | Maturing in Year Two [Member]
Economic hedges by derivative type [Line Items]
Foreign currency forward contracts | $	$ 312,367,397
Not Designated as Hedging Instrument [Member] | Maturing in Year Two [Member] | Forward gasoline and diesel contracts [Member]
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	0
Not Designated as Hedging Instrument [Member] | Maturing in Year Two [Member] | NYMEX WTI Short
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	215,000
Not Designated as Hedging Instrument [Member] | Maturing in Year Two [Member] | wti and gasoline crack spread swaps
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	0
Not Designated as Hedging Instrument [Member] | Maturing in Year Two [Member] | Excess crude oil revenues
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	0
Designated as Hedging Instrument [Member] | Natural Gas [Member]
Economic hedges by derivative type [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	2,250,000
Designated as Hedging Instrument [Member] | Price Risk Derivative [Member]
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	1,196,000
Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | Natural Gas [Member]
Economic hedges by derivative type [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	450,000
Designated as Hedging Instrument [Member] | Maturing in Next Twelve Months [Member] | Price Risk Derivative [Member]
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	1,196,000
Designated as Hedging Instrument [Member] | Maturing in Year Two [Member] | Natural Gas [Member]
Economic hedges by derivative type [Line Items]
Derivative, Nonmonetary Notional Amount, Energy Measure | MMBTU	1,800,000
Designated as Hedging Instrument [Member] | Maturing in Year Two [Member] | Price Risk Derivative [Member]
Economic hedges by derivative type [Line Items]
Price Risk Fair Value Hedge Derivative, at Fair Value, Net	0