Investment in Derivative Instruments (Tables)
|6 Months Ended|
Mar. 31, 2020
|Derivative Instruments and Hedging Activities Disclosure [Abstract]|
|Schedule of Derivatives Instruments, Income Statement and Balance Sheet Classification||The following table represents the approximate amount of realized and unrealized gains (losses) and changes in fair value recognized in earnings on commodity derivative contracts for the three and six months ended March 31, 2020 and the fair value of these derivatives as of March 31, 2020 and September 30, 2019 (in thousands):
Tabular disclosure of derivative instruments (including nonderivative instruments that are designated and qualify as hedging instruments) of (a) the location and amount of gains and losses reported in the statement of financial performance and (b) the location and fair value amounts of the instruments reported in the statement of financial position.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef