Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section 55
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	credit
Period Type:	instant

Derivatives (Narrative) (Details) - USD ($)	Sep. 03, 2021	Sep. 02, 2021	Sep. 30, 2021	Sep. 30, 2020
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Fair value of derivative contracts, liability			$ 13,784,467	$ 707,647
Bank of Oklahoma [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Cash paid on settled derivative contracts		$ 8,800,000
BP Energy [Member]
Derivative Instruments And Hedging Activities Disclosures [Line Items]
Cash payment received on derivative contracts	$ 8,800,000