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Note 5 - Derivative Financial Instruments (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Derivative Instruments, Gain (Loss) [Table Text Block] |
|  | Three Months Ended |  |  | Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Noncash derivative gain (loss), net |  | $ | 25,191 |  |  | $ | (12,558 | ) |  | $ | (16,442 | ) |  | $ | (12,558 | )
Derivative settlements, net |  |  | (37,082 | ) |  |  | (1,038 | ) |  |  | (61,843 | ) |  |  | (1,038 | )
Derivative loss, net |  | $ | (11,891 | ) |  | $ | (13,596 | ) |  | $ | (78,285 | ) |  | $ | (13,596 | )
Schedule of Price Risk Derivatives [Table Text Block] |
|  | Remainder of 2022 |  |  | 2023 |
|  | Third |  |  | Fourth |  |  |  |  |  |  | First |  |  | Second |  |  |  |  |
|  | Quarter |  |  | Quarter |  |  | Total |  |  | Quarter |  |  | Quarter |  |  | Total |
Crude Oil Price Swaps - WTI: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Volume (MBbls) |  |  | 980.8 |  |  |  | 1,011.8 |  |  |  | 1,992.6 |  |  |  | 441.0 |  |  |  | 200.2 |  |  |  | 641.2 |
Price per Bbl |  | $ | 88.97 |  |  | $ | 86.13 |  |  | $ | 87.53 |  |  | $ | 70.05 |  |  | $ | 57.22 |  |  | $ | 66.04 |
|  | Remainder of 2022 |  |  | 2023 |
|  | Third |  |  | Fourth |  |  |  |  |  |  | First |  |  |  |  |
|  | Quarter |  |  | Quarter |  |  | Total |  |  | Quarter |  |  | Total |
Natural Gas Price Swaps - HH: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Volume (MMBtu) |  |  | 460.0 |  |  |  | 460.0 |  |  |  | 920.0 |  |  |  | 450.0 |  |  |  | 450.0 |
Price per MMBtu |  | $ | 9.00 |  |  | $ | 9.00 |  |  | $ | 9.00 |  |  | $ | 9.00 |  |  | $ | 9.00 |
Schedule of Derivative Assets and Liabilities By Counterparty [Table Text Block] |
|  | As of June 30, 2022 |
Fifth Third Bank, National Association |  | $ | (22,656 | )
Bank of America, National Association |  |  | (9,643 | )
Bank of Oklahoma, National Association |  |  | (3,668 | )
Citizens Bank, National Association |  |  | 4,058 |
|  | $ | (31,909 | )

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- Definition Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624181-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624171-113959 + Details
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