Note 1 - Basis of Presentation - Schedule of Other Liabilities (Long-term) (Details) - USD ($) $ in Thousands |
Mar. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Total other liabilities (long-term) | $ 31,780 | $ 32,938 |
| Other Noncurrent Liabilities [Member] | ||
| Dispute related to royalty deductions | 5,247 | 5,467 |
| Derivatives | 3,514 | 4,384 |
| Lease liability | 11,257 | 11,360 |
| Black Elk escrow | 11,103 | 11,103 |
| Other | $ 659 | $ 624 |
| X | ||||||||||
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Represents disputes related to deductions in royalties payable after one year or beyond the normal operating cycle, if longer. No definition available.
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| X | ||||||||||
- Definition Amount of liabilities classified as escrow, due after one year or the normal operating cycle, if longer. No definition available.
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| X | ||||||||||
- Details
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