UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
REVENUES:
Marketing	$ 288,615	$ 236,394
Transportation	13,455	13,347
Oil and natural gas operations	1,017	790
Total revenues	303,087	250,531
COSTS AND EXPENSES:
Marketing	285,153	229,057
Transportation	12,162	11,189
Oil and natural gas operations	750	631
General and administrative	2,637	2,200
Depreciation, depletion and amortization	3,969	5,115
Total cost and expenses	304,671	248,192
Operating (loss) earnings	(1,584)	2,339
Other income (expense):
Interest income	159	103
Interest expense	(1)	0
Loss (earnings) before income taxes and equity investments	(1,426)	2,442
Income tax benefit (provision)	566	(888)
(Loss) earnings before equity investments	(860)	1,554
(Loss) from equity investments, net of tax benefit of zero and $67, respectively	0	(124)
Net (loss) earnings	$ (860)	$ 1,430
(LOSS) EARNINGS PER SHARE:
Basic and diluted net (loss) earnings per common share (in dollars per share)	$ (0.20)	$ 0.34
DIVIDENDS PER COMMON SHARE (in dollars per share)	$ 0.22	$ 0.22