Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Commodity Derivative Positions

The following table sets forth our commodity derivative positions as of December 31, 2017:

		Average	Weighted
		Volume Per	Average		Fair Value
	Instrument 1	Day	Price		Asset		Liability
Crude Oil:		(barrels)	($/barrel)
First quarter 2018	Swaps	8,013	$	51.14	$	—	$	7,622
Second quarter 2018	Swaps	7,984	$	51.15	—		7,075
Third quarter 2018	Swaps	7,955	$	51.15	—		6,241
Fourth quarter 2018	Swaps	7,955	$	51.15	—		5,357
First quarter 2019	Swaps	6,446	$	50.97	—		3,845
Second quarter 2019	Swaps	6,421	$	50.97	—		3,336
Third quarter 2019	Swaps	6,397	$	50.97	—		2,886
Fourth quarter 2019	Swaps	6,398	$	50.97	—		2,528
First quarter 2020	Swaps	2,000	$	51.29	—		441
Second quarter 2020	Swaps	2,000	$	51.29	—		353
Third quarter 2020	Swaps	2,000	$	51.29	—		283
Fourth quarter 2020	Swaps	2,000	$	51.29	—		228
Settlements to be paid in subsequent period							1,482

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¹ Including the effect of additional hedge contracts entered into in January 2018, we have hedged our crude oil production as follows: 2018 - 6,227 BOPD at a weighted-average WTI-based price of $50.70 per barrel and 2,500 BOPD at a weighted-average LLS-based price of $55.18 per barrel, 2019 - 4,915 BOPD at a weighted-average WTI-based price of $52.12 per barrel and 2,500 BOPD at a weighted-average LLS-based price of $51.30 per barrel and 2020 - 4,000 BOPD at a weighted-average WTI-based price of $52.67 per barrel.

Impact of Derivative Activities on Condensed Consolidated Statements of Income

The impact of our derivatives activities on income is included in the “Derivatives” caption on our Consolidated Statements of Operations. The following table summarizes the effects of our derivative activities for the periods presented:

	Successor						Predecessor
	Year Ended			September 13 Through			January 1 Through			Year Ended
	December 31,			December 31,			September 12,			December 31,
	2017			2016			2016			2015
Derivative gains (losses)	$	(17,819	)	$	(16,622	)	$	(8,333	)	$	71,247

Fair Value of Derivative Instruments on Condensed Consolidated Balance Sheets

The following table summarizes the fair value of our derivative instruments, as well as the locations of these instruments, on our Consolidated Balance Sheets as of the dates presented:

		Fair Values
		December 31, 2017				December 31, 2016
		Derivative		Derivative		Derivative		Derivative
Type	Balance Sheet Location	Assets		Liabilities		Assets		Liabilities
Commodity contracts	Derivative assets/liabilities – current	$	—	$	27,777	$	—	$	12,932
Commodity contracts	Derivative assets/liabilities – noncurrent	—		13,900		—		14,437
		$	—	$	41,677	$	—	$	27,369