Summarized Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Summarized Quarterly Financial Information Disclosure [Abstract]

Schedule Of Quarterly Financial Information Table Text Block

14. SUMMARIZED QUARTERLY FINANCIAL INFORMATION (UNAUDITED):

		2012
		1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total
Revenues from continuing operations	$	226,143	$	170,270	$	196,375	$	217,186	$	809,974
Gain (loss) on commodity derivatives		120,283		(33,287)		(9,896)		(3,519)		73,581
Expenses from continuing operations		193,539		186,064		156,503		146,682		682,788
Ceiling test and other impairments		-		1,869,136		606,827		496,501		2,972,464
Interest expense		18,298		18,748		25,369		25,765		88,180
Contract cancellation fees		4,846		4,666		(291)		6,248		15,469
Other income (expense), net		8		7		(42)		(1,738)		(1,765)
Income (loss) before income tax provision		129,751		(1,941,624)		(601,971)		(463,267)		(2,877,111)
Income tax provision (benefit)		45,489		(754,642)		175		8,765		(700,213)
Net income (loss)	$	84,262	$	(1,186,982)	$	(602,146)	$	(472,032)	$	(2,176,898)
Net income (loss) per common share - basic	$	0.55	$	(7.76)	$	(3.94)	$	(3.09)	$	(14.24)
Net income (loss) per common share - fully diluted	$	0.55	$	(7.76)	$	(3.94)	$	(3.09)	$	(14.24)
		2011
		1st Quarter		2nd Quarter		3rd Quarter		4th Quarter		Total
Revenues from continuing operations	$	257,290	$	280,567	$	293,141	$	270,798	$	1,101,796
Gain on commodity derivatives		15,635		47,606		114,166		136,325		313,732
Expenses from continuing operations		145,666		151,365		160,543		184,458		642,032
Interest expense		14,590		15,590		15,902		17,074		63,156
Other income (expense), net		20		(4)		(3)		519		532
Income before income tax provision		112,689		161,214		230,859		206,110		710,872
Income tax provision		43,969		57,709		81,713		74,279		257,670
Net income	$	68,720	$	103,505	$	149,146	$	131,831	$	453,202
Net income per common share - basic	$	0.45	$	0.68	$	0.98	$	0.86	$	2.97
Net income per common share - fully diluted	$	0.44	$	0.67	$	0.97	$	0.86	$	2.94