Commitments and Contingencies (Details)		3 Months Ended	6 Months Ended
	Feb. 08, 2021 USD ($)	Mar. 31, 2022 $ / Mcf Bcf	Mar. 31, 2022 USD ($)
Long-term Purchase Commitment [Line Items]
Self-insured retention | $			$ 1,000,000
Damages sought, value | $	$ 1,600,000
Supply Commitment
Long-term Purchase Commitment [Line Items]
Contract term			1 year
Long-term purchase commitment, minimum volume required		0.4
Supply Commitment | Short-term Contract with Customer
Long-term Purchase Commitment [Line Items]
Contract term		1 year
Long-term purchase commitment, minimum volume required		24.4
Supply Commitment | Long-term Contract with Customer Within Two To Three Years
Long-term Purchase Commitment [Line Items]
Long-term purchase commitment, minimum volume required		3.5
Supply Commitment | Minimum
Long-term Purchase Commitment [Line Items]
Long-term purchase commitment, amount (USD per MCF) | $ / Mcf		4.11
Supply Commitment | Minimum | Long-term Contract with Customer Within Two To Three Years
Long-term Purchase Commitment [Line Items]
Contract term		2 years
Supply Commitment | Maximum
Long-term Purchase Commitment [Line Items]
Long-term purchase commitment, amount (USD per MCF) | $ / Mcf		12.85
Supply Commitment | Maximum | Long-term Contract with Customer Within Two To Three Years
Long-term Purchase Commitment [Line Items]
Contract term		3 years