UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues:
Total revenues	$ 353,477	$ 445,168
Costs and expenses:
General and administrative	2,894	2,684
Depreciation and amortization	4,473	3,589
Total costs and expenses	373,417	439,915
Operating (losses) earnings	(19,940)	5,253
Other income (expense):
Gain on dissolution of investment	0	498
Interest income	365	656
Interest expense	(150)	(65)
Total other income (expense), net	215	1,089
(Losses) Earnings before income taxes	(19,725)	6,342
Income tax benefit (provision)	8,298	(1,434)
Net (losses) earnings	$ (11,427)	$ 4,908
(Losses) Earnings per share:
Basic net (losses) earnings per common share (in dollars per share)	$ (2.70)	$ 1.16
Diluted net (losses) earnings per common share (in dollars per share)	(2.69)	1.16
Dividends per common share (in dollars per share)	$ 0.24	$ 0.22
Marketing
Revenues:
Total revenues	$ 337,221	$ 429,761
Costs and expenses:
Cost of goods and services sold	352,865	420,541
Transportation
Revenues:
Total revenues	16,256	15,407
Costs and expenses:
Cost of goods and services sold	$ 13,185	$ 13,101