UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues:
Total revenues	$ 266,904	$ 450,307	$ 772,667	$ 1,379,908
Costs and expenses:
General and administrative	1,405	2,739	7,030	8,005
Depreciation and amortization	4,859	4,393	13,610	12,266
Total costs and expenses	260,848	450,004	783,616	1,374,995
Operating (losses) earnings	6,056	303	(10,949)	4,913
Other income (expense):
Gain on dissolution of investment	0	0	0	573
Interest income	105	758	614	2,145
Interest expense	(70)	(242)	(288)	(424)
Total other income (expense), net	35	516	326	2,294
(Losses) Earnings before income taxes	6,091	819	(10,623)	7,207
Income tax benefit (provision)	(3,018)	(179)	5,772	(1,653)
Net (losses) earnings	$ 3,073	$ 640	$ (4,851)	$ 5,554
(Losses) Earnings per share:
Basic net (losses) earnings per common share (in dollars per share)	$ 0.72	$ 0.15	$ (1.14)	$ 1.31
Diluted net (losses) earnings per common share (in dollars per share)	0.72	0.15	(1.14)	1.31
Dividends per common share (in dollars per share)	$ 0.24	$ 0.24	$ 0.72	$ 0.70
Marketing
Revenues:
Total revenues	$ 245,184	$ 434,609	$ 722,546	$ 1,331,410
Costs and expenses:
Cost of goods and services sold	237,479	429,507	721,798	1,313,822
Transportation
Revenues:
Total revenues	21,720	15,698	50,121	48,498
Costs and expenses:
Cost of goods and services sold	$ 17,105	$ 13,365	$ 41,178	$ 40,902