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v3.22.2

Note 7 - Long-term Debt (Details Textual) | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Feb. 28, 2022 USD ($) | Dec. 31, 2020 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Oct. 31, 2021 USD ($)
Debt Instrument, Unamortized Discount, Total | [1] |  |  | $ 12,080,000 |  | $ (0) |
Payments of Debt Issuance Costs |  |  |  | 9,098,000 | $ 1,759,000 |  |
Senior Unsecured Notes Due 2024 [Member] |  |  |  |  |  |  |
Debt Instrument, Unamortized Discount, Total |  | $ 14,800,000 |  |  |  |  |
Debt Instrument, Face Amount |  | $ 225,000,000.0 |  |  |  |  |
Long-Term Debt, Gross |  |  |  | 225,000,000 |  | 0 |
Debt Instrument, Interest Rate, Stated Percentage |  | 10.00% |  |  |  |  |
Payments of Debt Issuance Costs |  | $ 21,200,000 |  |  |  |  |
Proceeds from Issuance of Debt |  | 203,800,000 |  |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  | 285,000,000 |  | 100,000,000 |
Fifth Third Bank, National Association [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 138,800,000 | $ 40,000,000.0 | 400,000,000.0 | 125,000,000.0 |  | $ 195,000,000.0
Line of Credit Facility, Commitment Fee Amount |  |  | 20,000,000.0 |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  | 138,800,000 | $ 20,000,000.0 | 400,000,000.0 | $ 125,000,000.0 |  | $ 195,000,000.0
Debt Instrument, Covenant, Minimum Cash Threshold for Prepayment to be Due |  |  |  | 75,000,000.0 |  |  |
Long-Term Debt, Gross |  | $ 0 |  | $ 285,000,000.0 |  | 100,000,000.0 |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  | 0.50% |  |  |  |  |
Debt Instrument, Covenant, Maximum Total Debt to EBITDAX Ratio |  |  |  | 3.00 |  |  |
Debt Instrument, Covenant, Minimum Current Ratio |  |  |  | 1.00 |  |  |
Fifth Third Bank, National Association [Member] | Revolving Credit Facility [Member] | Fed Funds Effective Rate Overnight Index Swap Rate [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 0.50% |  |  |  |
Fifth Third Bank, National Association [Member] | Revolving Credit Facility [Member] | Maximum [Member] |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  | $ 1,500,000,000 |  |  |
Fifth Third Bank, National Association [Member] | Letter of Credit [Member] | London Interbank Offered Rate (LIBOR), Applicable Margin [Member] |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 0.125% |  |  |  |  |
Other Noncurrent Assets [Member] |  |  |  |  |  |  |
Debt Issuance Costs, Gross |  |  |  | 11,700,000 |  | 2,600,000 |
Accumulated Amortization, Debt Issuance Costs |  |  |  | 2,300,000 |  | 502,000 |
Debt Instrument, Unamortized Discount, Total |  |  |  | 14,800,000 |  | 0 |
Accumulated Amortization, Debt Discount |  |  |  | $ 2,700,000 |  | $ 0 |
[1] | Discounts as of June

X
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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