CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
REVENUES:
Marketing	$ 3,297,827	$ 2,967,427	$ 2,015,893
Transportation	67,183	63,501	56,867
Oil and natural gas	15,954	14,060	11,021
Total revenues	3,380,964	3,044,988	2,083,781
COSTS AND EXPENSES:
Marketing	3,244,685	2,912,316	1,996,926
Transportation	51,009	51,068	45,956
Oil and natural gas operations	12,941	22,608	8,116
Oil and natural gas property sale (gain)	(2,203)	(2,923)	0
General and administrative	9,769	9,713	9,044
Depreciation, depletion and amortization	20,714	15,885	11,314
Total costs and expenses	3,336,915	3,008,667	2,071,356
Operating Earnings	44,049	36,321	12,425
Other Income (Expense):
Interest income	190	237	191
Interest expense	(10)	(8)	(36)
Earnings from continuing operations before income taxes and discontinued operations	44,229	36,550	12,580
Income Tax (Provision) Benefit:
Current	(11,319)	(5,523)	(371)
Deferred	(5,378)	(7,584)	(3,657)
Income tax (provision) benefit	(16,697)	(13,107)	(4,028)
Earnings from continuing operations	27,532	23,443	8,552
Earnings from discontinued operations net of tax (provision) benefit of ($139), $276 and $(42), respectively	259	(512)	79
Net Earnings	$ 27,791	$ 22,931	$ 8,631
EARNINGS PER SHARE:
From continuing operations	$ 6.53	$ 5.55	$ 2.03
From discontinued operations	$ 0.06	$ (0.11)	$ 0.02
Basic and diluted net earnings per share (in dollars per share)	$ 6.59	$ 5.44	$ 2.05