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Derivative Instruments - Notional Amounts, Crude Oil and Natural Gas (Details) bbl in Thousands, Mcf in Thousands	9 Months Ended
	Jun. 30, 2022 $ / bbl $ / Mcf bbl Mcf
Oil Swap, Q3 2022
Derivative [Line Items]
Notional Volume | bbl	270,000
Weighted average price (in usd per bbl or mcf)	56.03
Oil Swap, Q4 2022
Derivative [Line Items]
Notional Volume | bbl	270,000
Weighted average price (in usd per bbl or mcf)	56.03
Oil Swap, 2023
Derivative [Line Items]
Notional Volume | bbl	720,000
Weighted average price (in usd per bbl or mcf)	53.27
Natural Gas Swaps, Q3 2022
Derivative [Line Items]
Notional Volume | Mcf	540,000
Weighted average price (in usd per bbl or mcf) | $ / Mcf	3.26
Natural Gas Swaps, Q4 2022
Derivative [Line Items]
Notional Volume | Mcf	540,000
Weighted average price (in usd per bbl or mcf) | $ / Mcf	3.26
Oil Collars, Q3 2022
Derivative [Line Items]
Notional Volume | bbl	117,000
Oil Collars, Q3 2022 | Short
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	37.31
Oil Collars, Q3 2022 | Long
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	59.43
Oil Collars, Q4 2022
Derivative [Line Items]
Notional Volume | bbl	90,000
Oil Collars, Q4 2022 | Short
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	35.00
Oil Collars, Q4 2022 | Long
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	42.63
Oil Collars, 2023
Derivative [Line Items]
Notional Volume | bbl	0
Oil Collars, 2023 | Short
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	0
Oil Collars, 2023 | Long
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	0
Oil Collars, 2024
Derivative [Line Items]
Notional Volume | bbl	3,000
Oil Collars, 2024 | Short
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	50.00
Oil Collars, 2024 | Long
Derivative [Line Items]
Weighted average price (in usd per bbl or mcf)	88.00
Oil Basis, Q3 2022
Derivative [Line Items]
Notional Volume | bbl	240,000
Weighted average price (in usd per bbl or mcf)	0.41
Oil Basis, Q4 2022
Derivative [Line Items]
Notional Volume | bbl	240,000
Weighted average price (in usd per bbl or mcf)	0.41

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Fixed price related to the price risk swap derivative.

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