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Derivative Instruments - Notional Amounts, Crude Oil and Natural Gas (Details) bbl in Thousands, Mcf in Thousands | 9 Months Ended
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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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