CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues:
Total revenues	$ 2,745,293	$ 3,366,917	$ 2,025,204
Costs and expenses:
General and administrative	14,932	17,718	13,701
Depreciation and amortization	27,863	22,707	19,797
Total costs and expenses	2,742,894	3,361,146	2,009,045
Operating earnings	2,399	5,771	16,159
Other income (expense):
Interest income	1,471	921	243
Interest expense	(3,384)	(1,287)	(746)
Total other (expense) income, net	(1,913)	(366)	(503)
Earnings before income taxes	486	5,405	15,656
Income tax (provision) benefit:
Current	(2,690)	(4,054)	(5,169)
Deferred	2,416	2,136	1,401
Income tax provision	(274)	(1,918)	(3,768)
Net earnings	$ 212	$ 3,487	$ 11,888
Earnings per share:
Basic earnings per common share (in dollars per share)	$ 0.08	$ 0.86	$ 2.78
Diluted net earnings per common share (in dollars per share)	0.08	0.85	2.75
Dividends per common share (in dollars per share)	$ 0.96	$ 0.96	$ 0.96
Marketing
Revenues:
Total revenues	$ 2,585,355	$ 3,232,193	$ 1,930,042
Costs and expenses:
Cost of goods and services sold	2,560,284	3,208,595	1,898,126
Transportation
Revenues:
Total revenues	98,359	112,376	94,498
Costs and expenses:
Cost of goods and services sold	80,991	89,973	75,295
Pipeline and storage
Revenues:
Total revenues	323	0	664
Costs and expenses:
Cost of goods and services sold	3,107	2,502	2,126
Logistics and repurposing
Revenues:
Total revenues	61,256	22,348	0
Costs and expenses:
Cost of goods and services sold	$ 55,717	$ 19,651	$ 0