Consolidated Statement of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating activities:
Cash provided by operating activities	$ 9,579	$ 13,866
Investing activities:
Capital expenditures for coal properties	(2,372)	(6,858)
Capital expenditures for unproved oil and gas properties		(1,243)
Investment in Sunrise Energy	(506)
Proceeds from CDs		1,291
Increase in marketable securities	(1,269)
Other	130	127
Cash used in investing activities	(4,017)	(6,683)
Financing activities:
Payments to bank	(2,500)	(2,500)
Other	(23)
Cash used in financing activities	(2,523)	(2,500)
Increase in cash and cash equivalents	3,039	4,683
Cash and cash equivalents, beginning of period	37,542	10,277
Cash and cash equivalents, end of period	$ 40,581	$ 14,960