FAIR VALUE MEASUREMENTS AND DISCLOSURES Fair Value Measurements and Disclosures (Tables)

12 Months Ended

Dec. 31, 2015

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table presents, for each applicable level within the fair value hierarchy, our derivative assets and liabilities, including both current and non-current portions, measured at fair value on a recurring basis:



	As of December 31,
	2015						2014
	Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(in thousands)
Assets:
Commodity-based derivative contracts	$	174,657	$	91,288	$	265,945	$	237,939	$	62,356	$	300,295
Basis protection derivative contracts	101		—		101		19		—		19
Total assets	174,758		91,288		266,046		237,958		62,356		300,314
Liabilities:
Commodity-based derivative contracts	738		—		738		742		—		742
Basis protection derivative contracts	1,552		—		1,552		25		—		25
Total liabilities	2,290		—		2,290		767		—		767
Net asset	$	172,468	$	91,288	$	263,756	$	237,191	$	62,356	$	299,547

Fair Value Assets and Liabilities Unobservable Input Reconciliation [Table Text Block]

The following table presents a reconciliation of our Level 3 assets measured at fair value:



	2015			2014			2013
	(in thousands)

Fair value, net asset beginning of period	$	62,356		$	1,111		$	13,610
Changes in fair value included in statement of operations line item:
Commodity price risk management gain (loss), net	65,018			62,003			(1,748		)
Sales from natural gas marketing	146			(22		)	13
Settlements included in statement of operations line items:
Commodity price risk management gain (loss), net	(36,169		)	(737		)	(6,361		)
Sales from natural gas marketing	(63		)	1			(37		)
Loss from discontinued operations, net of tax	—			—			(4,366		)
Fair value, net asset end of period	$	91,288		$	62,356		$	1,111

Net change in fair value of unsettled derivatives included in statement of operations line item:
Commodity price risk management gain (loss), net	$	43,540		$	15,632		$	(2,731	)
Sales from natural gas marketing	—			3			4
Total	$	43,540		$	15,635		$	(2,727	)