CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 27,684		$ 32,521
Other comprehensive income:
De-designated hedges reclassified into natural gas, NGLs and oil sales, net of taxes	0	[1]	(1,240)	[1]
Total comprehensive income	$ 27,684		$ 31,281

[1] Amounts are net of income tax benefit of $924 for the three months ended March 31, 2014. As of March 31, 2013, we elected to discontinue hedge accounting prospectively and as of December 31, 2014, all remaining accumulated other comprehensive income (“AOCI”) hedging gains had been transferred to earnings.