CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (77,456)	$ 1,212	$ 70,137
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depletion, depreciation and amortization	354	423	1,272
Impairment expense	3,770	9,312	4,775
Dry hole costs	0	5,617	40,467
Amortization of debt financing costs	1,489	690	975
Amortization of discount on debt	2,641	543	2,876
Foreign currency transaction loss	436	0	0
Loss on sale of interest in Harvest Holding	22,994	0	0
Gain on sale of assets	0	0	(106,225)
Debt conversion expense	0	2,915	0
Allowance for account and note receivable	0	5,180	0
Write off of accounts payable, carry obligation	0	(3,596)	0
Loss on early extinguishment of debt	0	5,425	10,983
Earnings from equity affiliates	(72,578)	(67,769)	(73,451)
Share-based compensation-related charges	3,046	3,500	4,642
Unrealized (gain) loss on derivatives	(3,517)	600	(9,786)
Changes in operating assets and liabilities:
Accounts and notes receivable	993	9,542	(10,025)
Prepaid expenses and other	710	(718)	4,065
Other assets	3,971	(87)	(4,180)
Accounts payable	428	(3,411)	(623)
Accrued expenses	3,790	4,757	7,475
Accrued interest	(244)	(238)	(942)
Income taxes payable	2,076	(587)	617
Deferred tax asset and liabilities	73,689	(821)	0
Other current liabilities	(3,119)	906	2,632
Other long term liabilities	(550)	200	(927)
NET CASH USED IN OPERATING ACTIVITIES	(37,077)	(26,405)	(55,243)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from sale of assets	0	0	218,823
Additions of property and equipment	(43,906)	(23,575)	(72,180)
Additions to assets held for sale	0	0	(33,930)
Advances (to) from equity affiliate	(531)	(414)	(682)
Proceeds from sale of interest in equity affiliates, net	124,045	0	1,385
(Increase) decrease in restricted cash	852	200	(1,200)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	80,460	(23,789)	112,216
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuances of common stock	9,420	719	924
Tax benefits related to equity compensation	0	0	2,535
Proceeds from issuance of long-term debt	0	66,480	0
Payments of long-term debt	0	0	(60,000)
Treasury stock purchases	(77)	0	0
Payments on note payable to noncontrolling interest owner	(4,260)	0	0
Financing costs	(196)	(3,324)	(189)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	4,887	63,875	(56,730)
NET INCREASE IN CASH AND CASH EQUIVALENTS	48,270	13,681	243
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	72,627	58,946	58,703
CASH AND CASH EQUIVALENTS AT END OF YEAR	120,897	72,627	58,946
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid during the year for interest expense (net of capitalization)	487	640	2,685
Cash paid during the year for income taxes	495	216	8,241
Supplemental Schedule of Noncash Investing and Financing Activities:
Increase (decrease) in current liabilities related to additions of property and equipment	(13,926)	10,500	3,416
Non-cash distribution of note payable to noncontrolling interest owner	$ 10,370	$ 0	$ 0