Consolidated Statement of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Coal sales	$ 131,370	$ 137,998
Equity income - Savoy	2,039	5,476
Equity income - Sunrise Energy	167	922
Gain on sale of unproved oil and gas properties	303	10,653
Gain on sale of land	2,748
Other income (Note 9)	4,696	2,305
	141,323	157,354
Operating costs and expenses	79,739	77,094
DD&A	16,028	14,096
Coal exploration costs	2,453	1,132
SG&A	7,532	7,004
Interest	1,096	1,288
	106,848	100,614
Income before income taxes	34,475	56,740
Current	5,905	7,266
Deferred	4,763	13,665
	10,668	20,931
Net income*	$ 23,807	$ 35,809
Basic (in Dollars per share)	$ 0.84	$ 1.27
Diluted (in Dollars per share)	$ 0.83	$ 1.25
Basic (in Shares)	28,331	28,135
Diluted (in Shares)	28,843	28,694