UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Total revenues	$ 152,286	$ 484,433	$ 505,763	$ 929,601
Costs and expenses:
General and administrative	2,731	2,582	5,625	5,266
Depreciation and amortization	4,278	4,284	8,751	7,873
Total costs and expenses	149,351	485,076	522,768	924,991
Operating (losses) earnings	2,935	(643)	(17,005)	4,610
Other income (expense):
Gain on dissolution of investment	0	75	0	573
Interest income	144	731	509	1,387
Interest expense	(68)	(117)	(218)	(182)
Total other income (expense), net	76	689	291	1,778
(Losses) Earnings before income taxes	3,011	46	(16,714)	6,388
Income tax benefit (provision)	492	(40)	8,790	(1,474)
Net (losses) earnings	$ 3,503	$ 6	$ (7,924)	$ 4,914
(Losses) Earnings per share:
Basic net (losses) earnings per common share (in dollars per share)	$ 0.83	$ 0	$ (1.87)	$ 1.16
Diluted net (losses) earnings per common share (in dollars per share)	0.82	0	(1.87)	1.16
Dividends per common share (in dollars per share)	$ 0.24	$ 0.24	$ 0.48	$ 0.46
Marketing
Revenues:
Total revenues	$ 140,141	$ 467,040	$ 477,362	$ 896,801
Costs and expenses:
Cost of goods and services sold	131,454	463,774	484,319	884,315
Transportation
Revenues:
Total revenues	12,145	17,393	28,401	32,800
Costs and expenses:
Cost of goods and services sold	$ 10,888	$ 14,436	$ 24,073	$ 27,537