Note 1 - Basis of Presentation (Tables)
|
3 Months Ended |
Mar. 31, 2021 |
|---|
| Notes Tables |
|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
| |
|
March 31, 2021 |
|
|
December 31, 2020 |
|
| Derivatives - current (1) |
|
$ |
2,701 |
|
|
$ |
2,752 |
|
| Unamortized insurance/bond premiums |
|
|
5,163 |
|
|
|
4,717 |
|
| Prepaid deposits related to royalties |
|
|
4,536 |
|
|
|
4,473 |
|
| Prepayment to vendors |
|
|
1,966 |
|
|
|
1,429 |
|
| Other |
|
|
984 |
|
|
|
461 |
|
| Prepaid expenses and other assets |
|
$ |
15,350 |
|
|
$ |
13,832 |
|
|
| Property, Plant and Equipment [Table Text Block] |
| |
|
March 31, 2021 |
|
|
December 31, 2020 |
|
| Oil and natural gas properties and equipment, at cost |
|
$ |
8,570,371 |
|
|
$ |
8,567,509 |
|
| Furniture, fixtures and other |
|
|
20,845 |
|
|
|
20,847 |
|
| Total property and equipment |
|
|
8,591,216 |
|
|
|
8,588,356 |
|
| Less: Accumulated depreciation, depletion, amortization and impairment |
|
|
7,922,247 |
|
|
|
7,901,478 |
|
| Oil and natural gas properties and other, net |
|
$ |
668,969 |
|
|
$ |
686,878 |
|
|
| Schedule of Other Assets, Noncurrent [Table Text Block] |
| |
|
March 31, 2021 |
|
|
December 31, 2020 |
|
| Right-of-Use assets |
|
$ |
11,218 |
|
|
$ |
11,509 |
|
| Unamortized debt issuance costs |
|
|
1,591 |
|
|
|
2,094 |
|
| Investment in White Cap, LLC |
|
|
2,872 |
|
|
|
2,699 |
|
| Unamortized brokerage fee for Monza |
|
|
— |
|
|
|
626 |
|
| Proportional consolidation of Monza's other assets (Note 4) |
|
|
4,073 |
|
|
|
1,782 |
|
| Derivatives |
|
|
1,731 |
|
|
|
2,762 |
|
| Other |
|
|
1,128 |
|
|
|
998 |
|
| Total other assets (long-term) |
|
$ |
22,613 |
|
|
$ |
22,470 |
|
|
| Schedule of Accrued Liabilities [Table Text Block] |
| |
|
March 31, 2021 |
|
|
December 31, 2020 |
|
| Accrued interest |
|
$ |
25,420 |
|
|
$ |
10,389 |
|
| Accrued salaries/payroll taxes/benefits |
|
|
3,902 |
|
|
|
4,009 |
|
| Litigation accruals |
|
|
530 |
|
|
|
436 |
|
| Lease liability |
|
|
484 |
|
|
|
394 |
|
| Derivatives |
|
|
32,703 |
|
|
|
13,620 |
|
| Other |
|
|
1,381 |
|
|
|
1,032 |
|
| Total accrued liabilities |
|
$ |
64,420 |
|
|
$ |
29,880 |
|
|
| Other Noncurrent Liabilities [Table Text Block] |
| |
|
March 31, 2021 |
|
|
December 31, 2020 |
|
| 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 |
|
| Total other liabilities (long-term) |
|
$ |
31,780 |
|
|
$ |
32,938 |
|
|