Note 10 - Derivative Financial Instruments - Cash Receipts on Commodity Derivative Contract Settlements (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Derivatives cash receipts (payments), net | $ 13,941 | $ (28,164) | $ 4,199 |
| X | ||||||||||
- Definition The cash inflow (outflow) from derivative instruments during the period, which are classified as operating activities, excluding those designated as hedging instruments. No definition available.
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