CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
REVENUES:
Marketing	$ 1,043,775	$ 1,875,885	$ 4,050,497
Transportation	52,355	63,331	68,968
Oil and natural gas	3,410	5,063	13,361
Total revenues	1,099,540	1,944,279	4,132,826
COSTS AND EXPENSES:
Marketing	1,016,733	1,841,893	4,020,017
Transportation	45,154	52,076	56,802
Oil and natural gas operations	2,084	6,931	7,817
Oil and natural gas property impairments	313	12,082	8,009
Oil and natural gas property sale (gain)	0	0	(2,528)
General and administrative	10,410	9,939	8,613
Depreciation, depletion and amortization	18,792	23,717	24,615
Total costs and expenses	1,093,486	1,946,638	4,123,345
Operating (Loss) Earnings	6,054	(2,359)	9,481
Other Income (Expense):
Interest income	582	327	301
Interest expense	(2)	(13)	(2)
Earnings (loss) before income taxes and equity investments	6,634	(2,045)	9,780
Income Tax (Provision) Benefit:
Current	(2,778)	(4,073)	(9,712)
Deferred	87	4,843	6,151
Income tax (provision) benefit	(2,691)	770	(3,561)
Earnings (loss) from continuing operations	3,943	(1,275)	6,219
Earnings (loss) from equity investments, net of tax benefit of $770, zero and zero, respectively	(1,430)	0	0
Earnings (loss) from discontinued operations net of tax (provision) benefit of zero, zero and $(163) respectively	0	0	304
Net earnings (loss)	$ 2,513	$ (1,275)	$ 6,523
EARNINGS (LOSS) PER SHARE:
From continuing operations (in dollars per share)	$ 0.94	$ (0.30)	$ 1.48
From equity investments (in dollars per share)	(0.34)	0	0
From discontinued operations (in dollars per share)	0	0	0.07
Basic and diluted net earnings per share (in dollars per share)	0.60	(0.30)	1.55
Dividends declared per common share (in dollars per share)	$ 0.88	$ 0.88	$ 0.88