Fair Value Measurements (Summary Of Fair Value Measurement Information For Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis) (Details) - USD ($) |
Sep. 30, 2022 |
Sep. 30, 2021 |
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Swap [Member] | ||
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] | ||
Financial Assets (Liabilities) | $ (7,622,390) | $ (13,784,467) |
Swap [Member] | Fair Value, Inputs, Level 2 [Member] | ||
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] | ||
Financial Assets (Liabilities) | (7,622,390) | $ (13,784,467) |
Collars [Member] | ||
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] | ||
Financial Assets (Liabilities) | (938,801) | |
Collars [Member] | Fair Value, Inputs, Level 2 [Member] | ||
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] | ||
Financial Assets (Liabilities) | $ (938,801) |