Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Cash Settlement on Commodity Derivatives and Presentation in Partnership's Consolidated Statements of Operations

The following table summarizes the commodity derivative activity and presentation in our consolidated statements of operations for the periods indicated (in thousands):

	Successor			Predecessor
	Period from September 1, 2016 through December 31, 2016			Period from January 1, 2016 through August 31, 2016			Year Ended December 31, 2015
Portion of settlements associated with gains (losses) previously recognized within accumulated other comprehensive income, net of prior year offsets(1)(2)	$	—		$	10,758		$	86,328
Portion of settlements attributable to subsequent mark to market gains (losses)(2)		(1,825	)		89,041			92,732
Total cash settlements on commodity derivative contracts(2)	$	(1,825	)	$	99,799		$	179,060
Gains (losses) recognized on cash settlement(3)	$	(532	)	$	(16,570	)	$	40,480
Gains (losses) recognized on open derivative contracts(3)		(43,360	)		(7,346	)		226,743
Gains (losses) on mark-to-market derivatives	$	(43,892	)	$	(23,916	)	$	267,223

(1) Recognized in gas and oil production revenue.

(2) For the Predecessor period from January 1, 2016 through August 31, 2016, excludes the effects of the $235.3 million, net of $8.2 million in hedge monetization fees, paid directly to the First Lien Credit Facility lenders upon the sale of substantially all of our Predecessor’s commodity hedge positions on July 25, 2016 and July 26, 2016.

(3) Recognized in gain (loss) on mark-to-market derivatives.

Fair Values of the Partnership's Derivative Instruments Table

The following table summarizes the gross fair values of our derivative instruments, presenting the impact of offsetting the derivative assets and liabilities included on our consolidated balance sheets for the periods indicated (in thousands):

Successor Offsetting Derivatives as of December 31, 2016	Gross Amounts Recognized		Gross Amounts Offset		Net Amount Presented
Current portion of derivative assets	$	7	$	(7)	$	—
Long-term portion of derivative assets		819		(819)		—
Total derivative assets	$	826	$	(826)	$	—
Current portion of derivative liabilities	$	(34,806)	$	7	$	(34,799)
Long-term portion of derivative liabilities		(15,434)		819		(14,615)
Total derivative liabilities	$	(50,240)	$	826	$	(49,414)
Predecessor Offsetting Derivatives as of December 31, 2015
Current portion of derivative assets	$	159,460	$	—	$	159,460
Long-term portion of derivative assets		198,262		—		198,262
Total derivative assets	$	357,722	$	—	$	357,722
Current portion of derivative liabilities	$	—	$	—	$	—
Long-term portion of derivative liabilities		—		—		—
Total derivative liabilities	$	—	$	—	$	—

Commodity Derivative Instruments by Type Table

At December 31, 2016, we had the following commodity derivatives instruments:

Type	Production Period Ending December 31,		Volumes(1)		Average Fixed Price(1)			Fair Value Liability		Total Type
								(in thousands)(2)		(in thousands)
Natural Gas – Fixed Price Swaps		2017		51,679,700	$	3.140		$	(24,579)
		2018		47,559,300	$	2.959		$	(8,079)
										$	(32,658)
Crude Oil – Fixed Price Swaps		2017		1,188,700	$	46.971		$	(10,220)
		2018		1,011,100	$	49.544		$	(6,536)
										$	(16,756)
							Total net liabilities			$	(49,414)

(1) Volumes for natural gas are stated in million British Thermal Units. Volumes for crude oil are stated in barrels.

(2) Fair value for natural gas fixed price swaps are based on forward NYMEX natural gas prices, as applicable. Fair value of crude oil fixed price swaps are based on forward West Texas Intermediate (“WTI”) index crude oil prices, as applicable.