Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following table presents the Company’s financial assets and liabilities that were accounted for at fair value on a recurring basis as of March 31, 2022 and September 30, 2021, by level within the fair value hierarchy:

	March 31, 2022
	Level 1		Level 2		Level 3		Total
	(In thousands)
Financial assets:
Commodity derivative assets	$	—	$	93	$	—	$	93
Interest rate assets	$	—	$	1,147	$	—	$	1,147
Financial liabilities:
Commodity derivative liabilities	$	—	$	(72,646)	$	—	$	(72,646)
Interest rate liabilities	$	—	$	—	$	—	$	—
	September 30, 2021
	Level 1		Level 2		Level 3		Total
	(In thousands)
Financial assets:
Commodity derivative assets	$	—	$	308	$	—	$	308
Interest rate assets	$	—	$	106	$	—	$	106
Financial liabilities:
Commodity derivative liabilities	$	—	$	(51,336)	$	—	$	(51,336)
Interest rate liabilities	$	—	$	(48)	$	—	$	(48)