Note 1 - Basis of Presentation (Tables)
|
6 Months Ended |
Jun. 30, 2020 |
|---|
| Notes Tables |
|
| Accounts Receivable, Allowance for Credit Loss [Table Text Block] |
| Allowance for credit losses, December 31, 2019 |
|
$ |
9,898 |
|
| Additional provisions |
|
|
598 |
|
| Uncollectible accounts written off |
|
|
— |
|
| Allowance for credit losses, June 30, 2020 |
|
$ |
10,496 |
|
|
| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block] |
| |
|
June 30, 2020 |
|
|
December 31, 2019 |
|
| Derivatives - current (1) |
|
$ |
17,770 |
|
|
$ |
7,266 |
|
| Unamortized insurance/bond premiums |
|
|
6,269 |
|
|
|
4,357 |
|
| Prepaid deposits related to royalties |
|
|
6,813 |
|
|
|
7,980 |
|
| Prepayment to vendors |
|
|
1,638 |
|
|
|
10,202 |
|
| Other |
|
|
76 |
|
|
|
886 |
|
| Prepaid expenses and other assets |
|
$ |
32,566 |
|
|
$ |
30,691 |
|
|
| Property, Plant and Equipment [Table Text Block] |
| |
|
June 30, 2020 |
|
|
December 31, 2019 |
|
| Oil and natural gas properties and equipment, at cost |
|
$ |
8,553,306 |
|
|
$ |
8,532,196 |
|
| Furniture, fixtures and other |
|
|
20,387 |
|
|
|
20,317 |
|
| Total property and equipment |
|
|
8,573,693 |
|
|
|
8,552,513 |
|
| Less: Accumulated depreciation, depletion and amortization |
|
|
7,860,630 |
|
|
|
7,803,715 |
|
| Oil and natural gas properties and other, net |
|
$ |
713,063 |
|
|
$ |
748,798 |
|
|
| Schedule of Other Assets, Noncurrent [Table Text Block] |
| |
|
June 30, 2020 |
|
|
December 31, 2019 |
|
| Right-of-Use assets (Note 7) |
|
$ |
12,546 |
|
|
$ |
7,936 |
|
| Unamortized debt issuance costs |
|
|
2,678 |
|
|
|
3,798 |
|
| Investment in White Cap, LLC |
|
|
3,118 |
|
|
|
2,590 |
|
| Unamortized brokerage fee for Monza |
|
|
2,130 |
|
|
|
3,423 |
|
| Proportional consolidation of Monza's other assets (Note 4) |
|
|
2,553 |
|
|
|
5,308 |
|
| Derivative assets |
|
|
3,486 |
|
|
|
2,653 |
|
| Appeal bond deposits |
|
|
— |
|
|
|
6,925 |
|
| Other |
|
|
1,024 |
|
|
|
814 |
|
| Total other assets (long-term) |
|
$ |
27,535 |
|
|
$ |
33,447 |
|
|
| Schedule of Accrued Liabilities [Table Text Block] |
| |
|
June 30, 2020 |
|
|
December 31, 2019 |
|
| Accrued interest |
|
$ |
10,357 |
|
|
$ |
10,180 |
|
| Accrued salaries/payroll taxes/benefits |
|
|
3,112 |
|
|
|
2,377 |
|
| Incentive compensation plans |
|
|
1,174 |
|
|
|
9,794 |
|
| Litigation accruals |
|
|
3,673 |
|
|
|
3,673 |
|
| Lease liability (Note 7) |
|
|
2,130 |
|
|
|
2,716 |
|
| Derivatives - current |
|
|
1,779 |
|
|
|
1,785 |
|
| Other |
|
|
443 |
|
|
|
371 |
|
| Total accrued liabilities |
|
$ |
22,668 |
|
|
$ |
30,896 |
|
|
| Other Noncurrent Liabilities [Table Text Block] |
| |
|
June 30, 2020 |
|
|
December 31, 2019 |
|
| Dispute related to royalty deductions |
|
$ |
4,687 |
|
|
$ |
4,687 |
|
| Dispute related to royalty-in-kind |
|
|
250 |
|
|
|
250 |
|
| Derivatives |
|
|
2,137 |
|
|
|
— |
|
| Lease liability (Note 7) |
|
|
9,834 |
|
|
|
4,419 |
|
| Black Elk escrow and other |
|
|
12,090 |
|
|
|
632 |
|
| Total other liabilities (long-term) |
|
$ |
28,998 |
|
|
$ |
9,988 |
|
|