CONCENTRATIONS OF RISK AND SIGNIFICANT CUSTOMERS (Details) - bank	3 Months Ended
	Mar. 31, 2024	Mar. 31, 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)	35.00%	38.00%
Customer 1 | Revenues | Customer concentration risk | Refining
Revenue, Major Customer
Concentration percentage (as a percent)	37.00%	39.00%
Customer 1 | Revenues | Customer concentration risk | Black Oil and Recovery
Revenue, Major Customer
Concentration percentage (as a percent)	0.00%	0.00%
Customer 1 | Receivables | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)	2.00%	23.00%
Customer 2 | Revenues | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)	30.00%	37.00%
Customer 2 | Revenues | Customer concentration risk | Refining
Revenue, Major Customer
Concentration percentage (as a percent)	31.00%	39.00%
Customer 2 | Revenues | Customer concentration risk | Black Oil and Recovery
Revenue, Major Customer
Concentration percentage (as a percent)	0.00%	0.00%
Customer 2 | Receivables | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)	4.00%	1.00%
Customer 3 | Revenues | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)	10.00%	0.00%
Customer 3 | Revenues | Customer concentration risk | Refining
Revenue, Major Customer
Concentration percentage (as a percent)	11.00%	0.00%
Customer 3 | Revenues | Customer concentration risk | Black Oil and Recovery
Revenue, Major Customer
Concentration percentage (as a percent)	0.00%	0.00%
Customer 3 | Receivables | Customer concentration risk
Revenue, Major Customer
Concentration percentage (as a percent)	22.00%	0.00%