SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Segment Reporting Information
Revenues	$ 695,326	$ 691,142
Cost of revenues (exclusive of depreciation and amortization shown separately below)	652,034	619,352
Depreciation and amortization attributable to costs of revenues	8,186	4,337
Gross profit	35,106	67,453
Selling, general and administrative expenses	39,782	41,942
Depreciation and amortization attributable to operating expenses	1,104	1,016
Income (loss) from operations	(5,780)	24,495
Other expense	(1,049)	1,653
Gain on change in derivative liability	6,658	(9,185)
Interest expense	(17,683)	(12,477)
Total other expense	(12,074)	(20,009)
Income (loss) from continuing operations before income tax	(17,854)	4,486
Total capital expenditures	14,726	73,936
Total assets	835,053	854,624	$ 854,624
Corporate and Eliminations
Segment Reporting Information
Revenues	(1,022)	(2,733)
Cost of revenues (exclusive of depreciation and amortization shown separately below)	(1,022)	(878)
Depreciation and amortization attributable to costs of revenues	0	0
Gross profit	0	(1,855)
Selling, general and administrative expenses	8,238	10,657
Depreciation and amortization attributable to operating expenses	239	170
Income (loss) from operations	(8,477)	(12,682)
Other expense	(5)	(2)
Gain on change in derivative liability	6,658	(9,185)
Interest expense	(12,840)	(8,544)
Total other expense	(6,187)	(17,731)
Income (loss) from continuing operations before income tax	(14,664)	(30,413)
Total capital expenditures	0	0
Total assets	69,651	86,999
Refining and Marketing | Operating Segments
Segment Reporting Information
Revenues	657,707	659,328
Cost of revenues (exclusive of depreciation and amortization shown separately below)	622,974	589,812
Depreciation and amortization attributable to costs of revenues	6,541	3,294
Gross profit	28,192	66,222
Selling, general and administrative expenses	26,147	26,486
Depreciation and amortization attributable to operating expenses	793	808
Income (loss) from operations	1,252	38,928
Other expense	(685)	0
Gain on change in derivative liability	0	0
Interest expense	(4,747)	(3,876)
Total other expense	(5,432)	(3,876)
Income (loss) from continuing operations before income tax	(4,180)	35,052
Total capital expenditures	11,299	69,908
Total assets	655,271	661,101
Black Oil and Recovery | Operating Segments
Segment Reporting Information
Revenues	38,641	34,547
Cost of revenues (exclusive of depreciation and amortization shown separately below)	30,082	30,418
Depreciation and amortization attributable to costs of revenues	1,645	1,043
Gross profit	6,914	3,086
Selling, general and administrative expenses	5,397	4,799
Depreciation and amortization attributable to operating expenses	72	38
Income (loss) from operations	1,445	(1,751)
Other expense	(359)	1,655
Gain on change in derivative liability	0	0
Interest expense	(96)	(57)
Total other expense	(455)	1,598
Income (loss) from continuing operations before income tax	990	(153)
Total capital expenditures	3,427	4,028
Total assets	110,131	106,524
Refined products
Segment Reporting Information
Revenues	681,461	679,732
Refined products | Corporate and Eliminations
Segment Reporting Information
Revenues	(1,022)	(2,733)
Refined products | Refining and Marketing | Operating Segments
Segment Reporting Information
Revenues	650,759	653,042
Refined products | Black Oil and Recovery | Operating Segments
Segment Reporting Information
Revenues	31,724	29,423
Re-refined products
Segment Reporting Information
Revenues	9,082	8,764
Re-refined products | Corporate and Eliminations
Segment Reporting Information
Revenues	0	0
Re-refined products | Refining and Marketing | Operating Segments
Segment Reporting Information
Revenues	3,867	4,353
Re-refined products | Black Oil and Recovery | Operating Segments
Segment Reporting Information
Revenues	5,215	4,411
Services
Segment Reporting Information
Revenues	4,783	2,646
Services | Corporate and Eliminations
Segment Reporting Information
Revenues	0	0
Services | Refining and Marketing | Operating Segments
Segment Reporting Information
Revenues	3,081	1,933
Services | Black Oil and Recovery | Operating Segments
Segment Reporting Information
Revenues	$ 1,702	$ 713