Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments

The effect of derivative instruments in cash flow hedging relationships on the Consolidated Statements of Income and the Consolidated Statements of Stockholders' Equity net of tax was as follows:

	For the Three Months Ended September 30,
	2014		2013
Natural Gas Price Swaps and Options
Beginning Balance – Accumulated OCI	$	6,574	$	71,674
Gain recognized in Accumulated OCI	39,151		13,246
Less: Gain reclassified from Accumulated OCI into Natural Gas, NGL's and Oil Sales	19,510		24,354
Ending Balance – Accumulated OCI	$	26,215	$	60,566
Gain recognized in Natural Gas, NGL's and Oil Sales for ineffectiveness	$	1,850	$	2,592

	For the Nine Months Ended September 30,
	2014			2013
Natural Gas Price Swaps and Options
Beginning Balance – Accumulated OCI	$	42,493		$	76,761
(Loss)/Gain recognized in Accumulated OCI	(20,032		)	40,400
Less: (Loss)/Gain reclassified from Accumulated OCI into Natural Gas, NGL's and Oil Sales	(3,754		)	56,595
Ending Balance – Accumulated OCI	$	26,215		$	60,566
Gain/(Loss) recognized in Natural Gas, NGL's and Oil Sales for ineffectiveness	$	2,713		$	(120	)

There were no amounts excluded from the assessment of hedge effectiveness in the nine months ended September 30, 2014 or 2013.