CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
REVENUES:
Marketing	$ 1,875,885	$ 4,050,497	$ 3,863,057
Transportation	63,331	68,968	68,783
Oil and natural gas	5,063	13,361	14,129
Total revenues	1,944,279	4,132,826	3,945,969
COSTS AND EXPENSES:
Marketing	1,841,893	4,020,017	3,815,006
Transportation	52,076	56,802	56,504
Oil and natural gas operations	19,013	15,826	8,748
Oil and natural gas property sale (gain)	0	(2,528)	0
General and administrative	9,939	8,613	9,060
Depreciation, depletion and amortization	23,717	24,615	22,275
Total costs and expenses	1,946,638	4,123,345	3,911,593
Operating (Loss) Earnings	(2,359)	9,481	34,376
Other Income (Expense):
Interest income	327	301	198
Interest expense	(13)	(2)	(24)
Earnings (loss) from continuing operations before income taxes	(2,045)	9,780	34,550
Income Tax (Provision) Benefit:
Current	(4,073)	(9,712)	(9,269)
Deferred	4,843	6,151	(3,160)
Income tax (provision) benefit	770	(3,561)	(12,429)
Earnings (loss) from continuing operations	(1,275)	6,219	22,121
Earnings (loss) from discontinued operations net of tax (provision) benefit of zero, $(163) and $275 respectively	0	304	(511)
Net Earnings (Loss)	$ (1,275)	$ 6,523	$ 21,610
EARNINGS (LOSS) PER SHARE:
From continuing operations (in dollars per share)	$ (0.30)	$ 1.48	$ 5.24
From discontinued operations (in dollars per share)	0	0.07	(0.12)
Basic and diluted net earnings per share (in dollars per share)	(0.30)	1.55	5.12
Dividends declared per common share (in dollars per share)	$ 0.88	$ 0.88	$ 0.66