Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of Property Plant and Equipment

We compute depreciation of property, plant, and equipment using the straight-line method, based on the estimated useful life of each asset as follows:


Assets						Lives in Years
Refining						2 to 47
Logistics						3 to 30
Retail						3 to 40
Corporate						3 to 7
Software						3 to 5

Schedule of Depreciation Expense

The following table summarizes depreciation and finance lease amortization expense excluded from each line item in our consolidated statements of operations (in thousands):


	Year Ended December 31,
	2023		2022		2021
Cost of revenues	$	24,980	$	20,437	$	21,903
Operating expense	66,886		51,901		52,338
General and administrative expense	2,142		2,661		2,972