Consolidated Statements of Comprehensive Income (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Net (loss) income	$ (65,911)	$ 4,504	$ (129,539)	$ 8,586
Other comprehensive income (loss), net of income tax:
Change in fair value of derivative instruments, net of income tax of $3,974, $4,904, $3,976, $11,216 respectively	7,715	9,519	7,718	21,773
Reclassification of gain on settled contracts, net of income taxes ($1,588), $(1,972), ($4,456), ($5,700), respectively	(3,083)	(3,828)	(8,651)	(11,064)
Comprehensive (loss) income	(61,279)	10,195	(130,472)	19,295
Comprehensive income attributable to the noncontrolling interest	1,181	1,180	4,339	2,111
Comprehensive (loss) income attributable to GMX shareholders	$ (62,460)	$ 9,015	$ (134,811)	$ 17,184