Consolidated Statement of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Revenue:
Coal sales	$ 32,487		$ 32,136		$ 62,107		$ 66,101
Equity income - Savoy	680		1,681		2,498		3,123
Equity income (loss) - Sunrise Energy	(24)		119		32		544
Other	2,032		(272)		4,494		1,757
	35,175		33,664		69,131		71,525
Costs and expenses:
Operating costs and expenses	18,816		17,902		37,249		36,610
DD&A	3,944		3,382		7,750		6,736
Coal exploration costs	703		151		1,122		272
SG&A	1,805		1,657		3,660		3,401
Interest	257		342		528		706
	25,525		23,434		50,309		47,725
Income before income taxes	9,650		10,230		18,822		23,800
Less income taxes:
Current	1,992		1,310		3,876		3,147
Deferred	1,200		2,465		2,335		5,920
	3,192		3,775		6,211		9,067
Net income*	$ 6,458	[1]	$ 6,455	[1]	$ 12,611	[1]	$ 14,733	[1]
Net income per share:
Basic (in Dollars per share)	$ 0.23		$ 0.23		$ 0.45		$ 0.52
Diluted (in Dollars per share)	$ 0.23		$ 0.23		$ 0.44		$ 0.51
Weighted average shares outstanding:
Basic (in Shares)	28,314		28,133		28,312		28,089
Diluted (in Shares)	28,675		28,587		28,719		28,617

[1] *There is no material difference between net income and comprehensive income.