CONCENTRATIONS OF RISK AND SIGNIFICANT CUSTOMERS (Details) - bank	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue, Major Customer
Concentration risk, deposit maintained in number of banks			1
Customer 1 | Revenues | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)			34.00%	37.00%
Customer 1 | Revenues | Customer concentration risk | Refining & Marketing
Revenue, Major Customer
Concentration percentage (as a percent)	34.00%	37.00%	36.00%	38.00%
Customer 1 | Revenues | Customer concentration risk | Black Oil and Recovery
Revenue, Major Customer
Concentration percentage (as a percent)	0.00%	0.00%	0.00%	0.00%
Customer 1 | Receivables | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)			1.00%	1.00%
Customer 2 | Revenues | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)			27.00%	35.00%
Customer 2 | Revenues | Customer concentration risk | Refining & Marketing
Revenue, Major Customer
Concentration percentage (as a percent)	26.00%	33.00%	28.00%	36.00%
Customer 2 | Revenues | Customer concentration risk | Black Oil and Recovery
Revenue, Major Customer
Concentration percentage (as a percent)	0.00%	0.00%	5.00%	0.00%
Customer 2 | Receivables | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)			8.00%	19.00%
Customer 3 | Revenues | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)			11.00%	7.00%
Customer 3 | Revenues | Customer concentration risk | Refining & Marketing
Revenue, Major Customer
Concentration percentage (as a percent)	14.00%	9.00%	11.00%	7.00%
Customer 3 | Revenues | Customer concentration risk | Black Oil and Recovery
Revenue, Major Customer
Concentration percentage (as a percent)	0.00%	0.00%	0.00%	0.00%
Customer 3 | Receivables | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)			1.00%	0.00%