Note 7 - Long-term Debt (Details Textual) $ in Thousands | | | | 1 Months Ended | 6 Months Ended | | | |
Nov. 01, 2023 USD ($) | Sep. 14, 2023 USD ($) | Sep. 12, 2023 USD ($) | Jul. 31, 2023 USD ($) | Jun. 30, 2023 USD ($) | Mar. 31, 2023 USD ($) | Nov. 30, 2022 USD ($) | Nov. 20, 2022 USD ($) | Feb. 28, 2022 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Dec. 31, 2022 USD ($) |
Debt Instrument, Unamortized Discount | [1] | | | | | | | | | | $ 22,156 | | $ 27,062 | | |
Payments of Debt Issuance Costs | | | | | | | | | | | 58 | $ 1,399 | | | |
Term Loan Credit Agreement [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount | | | | $ 30,000 | | | | | | | | | | $ 2,700 | |
Debt Issuance Costs, Gross | | | | $ 24,000 | | | | | | | | | | | |
Debt Instrument Discount Percentage | | | | 0.025 | | | | | | | | | | | |
Debt Instrument, Optional Prepayment, Percentage of Principal | | | | 0.01 | | | | | | | | | | | |
Debt Instrument, Covenant, Minimum Current Ratio | | | | 0.00015 | | | | | | | | | | | |
Debt Instrument, Covenant, Maximum Total Debt to EBITDAX Ratio | | | | 0.0002 | | | | | | | | | | | |
Debt Instrument, Covenant, Priority Facility Limit | | | | $ 100,000 | | | | | | | | | | | |
Debt Instrument, Periodic Payment | | | | $ 30,000 | | | | | | | | | | | |
Repayments of Senior Debt | | | | | | | | | | | 60,000 | $ 0 | | | |
Term Loan Credit Agreement [Member] | Adjusted SOFR [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | 0.075% | | | | | | | | | | | |
Term Loan Credit Agreement [Member] | Adjusted Above Margin [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | 0.02% | | | | | | | | | | | |
Senior Credit Facility Agreement Due 2026 [Member] | | | | | | | | | | | | | | | |
Debt Issuance Costs, Gross | | $ 1,100 | | | | | | | | | | | | | |
Line of Credit Facility, Current Borrowing Capacity | | $ 100,000 | | | | | | | | | | | | | |
Senior Credit Facility Agreement Due 2026 [Member] | Adjusted Above Margin [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 2% | | | | | | | | | | | | | |
Senior Unsecured Notes Due 2024 [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount | | | | | | | | | | $ 3,200 | $ 64,800 | | | | |
Debt Issuance Costs, Gross | | | | | | | | | | 1,500 | | | | | |
Debt Instrument, Face Amount | | | | | | | | | | $ 225,000 | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | | 10% | 10% | | | | |
Proceeds from Issuance of Debt | | | | | | | | | | $ 202,900 | | | | | |
Payments of Debt Issuance Costs | | | | | | | | | | 22,100 | | | | | |
The 10.625% Senior Notes [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount | | | $ 11,700 | | | | | | | | | | | | |
Debt Issuance Costs, Gross | | | 3,700 | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | | | | | $ 225,000 | | | | | | | $ 25,000 |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | | | | 10.625% | | 10.625% | | | | 10.625% |
Proceeds from Issuance of Debt | | | | | | | | | $ 223,700 | | | | | | |
Payments of Debt Issuance Costs | | | | | | | | $ 26,300 | | | | | | | |
Interest Paid, Including Capitalized Interest, Operating and Investing Activities | | | | | | $ 8,300 | | | | | | | | | |
Redemption Premium | | | $ 4,500 | | | | | | | | | | | | |
Maximum [Member] | Senior Credit Facility Agreement Due 2026 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 5% | | | | | | | | | | | | | |
Maximum [Member] | Senior Credit Facility Agreement Due 2026 [Member] | Base Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 4% | | | | | | | | | | | | | |
Minimum [Member] | Senior Credit Facility Agreement Due 2026 [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 4% | | | | | | | | | | | | | |
Minimum [Member] | Senior Credit Facility Agreement Due 2026 [Member] | Base Rate [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | 3% | | | | | | | | | | | | | |
Revolving Credit Facility [Member] | | | | | | | | | | | | | | | |
Long-Term Debt, Gross | | | | | | | | | | | $ 1,140,000 | | 1,200,000 | | |
Revolving Credit Facility [Member] | Fifth Third Bank, National Association [Member] | | | | | | | | | | | | | | | |
Debt Issuance Costs, Gross | | | | | | | | | | | | | 3,300 | | |
Line of Credit Facility, Maximum Borrowing Capacity | | | | | | | $ 700,000 | | | | | | | | |
Line of Credit Facility, Commitment Fee Amount | | | | | | | $ 575,000 | | | | | | | | |
Debt Instrument, Covenant, Minimum Availability Percentage for Dividend and Distributions | | | | | | 25% | | | | | | 25% | | | |
Debt Instrument, Covenant, Dividends and Distributions Limit | | | | | | $ 4,000 | | | | | | $ 4,000 | | | |
Debt Instrument, Restriction on Borrowings, Minimum Net Proceeds From Equity Securities | | | | | $ 95,000 | | | | | | | | | | |
Long-Term Debt, Gross | | | | | | | | | | $ 0 | | | | | |
Revolving Credit Facility [Member] | Term Loan Credit Agreement [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Covenant, Minimum Cash Threshold for Prepayment to be Due | | | | $ 20,000 | | | | | | | | | | | |
Revolving Credit Facility [Member] | Maximum [Member] | Term Loan Credit Agreement [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Face Amount | | | | $ 1,200,000 | | | | | | | | | | | |
Other Noncurrent Assets [Member] | | | | | | | | | | | | | | | |
Debt Instrument, Unamortized Discount | | | | | | | | | | | 30,000 | | 30,000 | | |
Accumulated Amortization, Debt Discount | | | | | | | | | | | 7,800 | | 2,900 | | |
Debt Issuance Costs, Gross | | | | | | | | | | | 25,100 | | 25,000 | | |
Accumulated Amortization, Debt Issuance Costs | | | | | | | | | | | $ 6,500 | | $ 2,400 | | |
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[1]Discounts as of June 30, 2024 and December 31, 2023 consisted of $30.0 million in discounts less accumulated amortization of $7.8 million and $2.9 million, respectively. | |