| Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
| |
|
December 31, |
|
| |
|
2023 |
|
|
2022 |
|
| Accounts receivable (including related-party), beginning of year |
|
$ |
1,148 |
|
|
$ |
126 |
|
| Accounts receivable (including related-party), end of year |
|
|
4,300 |
|
|
|
1,148 |
|
| |
|
|
|
|
|
|
|
|
| Unearned revenue, beginning of year |
|
$ |
3,888 |
|
|
$ |
4,388 |
|
| Unearned revenue, end of year |
|
|
3,243 |
|
|
|
3,888 |
|
|
| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| |
|
Twelve Months Ended |
|
| |
|
December 31, |
|
| |
|
2023 |
|
|
2022 |
|
| |
|
(in thousands) |
|
| |
|
|
|
|
|
|
|
|
| Refinery operations |
|
$ |
390,016 |
|
|
$ |
483,061 |
|
| Tolling and terminaling |
|
|
6,032 |
|
|
|
4,443 |
|
| Total revenue from operations |
|
|
396,048 |
|
|
|
487,504 |
|
| |
|
|
|
|
|
|
|
|
| Intercompany processing fees(1) |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
(2,590 |
) |
|
|
(2,583 |
) |
| Tolling and terminaling |
|
|
2,590 |
|
|
|
2,583 |
|
| Total intercompany processing fees |
|
|
- |
|
|
|
- |
|
| |
|
|
|
|
|
|
|
|
| Operation costs and expenses(2) |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
(349,737 |
) |
|
|
(439,291 |
) |
| Tolling and terminaling |
|
|
(1,633 |
) |
|
|
(2,142 |
) |
| Corporate and other |
|
|
(208 |
) |
|
|
(221 |
) |
| Total operation costs and expenses |
|
|
(351,578 |
) |
|
|
(441,654 |
) |
| |
|
|
|
|
|
|
|
|
| Gross profit |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
37,689 |
|
|
|
41,187 |
|
| Tolling and terminaling |
|
|
6,989 |
|
|
|
4,884 |
|
| Total gross profit |
|
|
44,678 |
|
|
|
46,071 |
|
| |
|
|
|
|
|
|
|
|
| Other operating and general and administrative expenses(3) |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
(1,638 |
) |
|
|
(1,682 |
) |
| Tolling and terminaling |
|
|
(87 |
) |
|
|
(427 |
) |
| Corporate and other |
|
|
(3,767 |
) |
|
|
(2,081 |
) |
| Total other operating and general and administrative expenses |
|
|
(5,492 |
) |
|
|
(4,190 |
) |
| |
|
|
|
|
|
|
|
|
| Depreciation and amortization |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
(1,211 |
) |
|
|
(1,224 |
) |
| Tolling and terminaling |
|
|
(1,368 |
) |
|
|
(1,368 |
) |
| Corporate and other |
|
|
(219 |
) |
|
|
(206 |
) |
| Total depreciation and amortization |
|
|
(2,798 |
) |
|
|
(2,798 |
) |
| |
|
|
|
|
|
|
|
|
| Interest and other non-operating expenses, net |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
(3,130 |
) |
|
|
(2,753 |
) |
| Tolling and terminaling |
|
|
(1,964 |
) |
|
|
(1,433 |
) |
| Corporate and other |
|
|
(768 |
) |
|
|
(1,698 |
) |
| Total interest and other non-operating expenses, net |
|
|
(5,862 |
) |
|
|
(5,884 |
) |
| |
|
|
|
|
|
|
|
|
| Income before income taxes |
|
|
|
|
|
|
|
|
| Refinery operations |
|
|
31,710 |
|
|
|
35,528 |
|
| Tolling and terminaling |
|
|
3,570 |
|
|
|
1,656 |
|
| Corporate and other |
|
|
(4,754 |
) |
|
|
(3,985 |
) |
| Total income before income taxes |
|
|
30,526 |
|
|
|
33,199 |
|
| |
|
|
|
|
|
|
|
|
| Income tax expense |
|
|
485 |
|
|
|
(307 |
) |
| |
|
|
|
|
|
|
|
|
| Net income |
|
$ |
31,011 |
|
|
$ |
32,892 |
|
|