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Fair Value Measurements (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Recurring | Level 2 | Commodity derivative contracts, net |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Commodity derivative contracts, net | $ 0 | $ (207)
Nonrecurring | Carrying Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 341,984 | 369,213
Nonrecurring | Carrying Value | 2021 Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 0 | 28,790
Nonrecurring | Carrying Value | 2024 Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 51,317 | 50,173
Nonrecurring | Carrying Value | 2025 Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 290,667 | 290,250
Nonrecurring | Fair Value |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 362,366 | 372,487
Nonrecurring | Fair Value | 2021 Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 0 | 28,581
Nonrecurring | Fair Value | 2024 Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | 55,220 | 55,214
Nonrecurring | Fair Value | 2025 Notes |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis |  |
Senior notes | $ 307,146 | $ 288,692

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