Derivative Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2020

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Summary of Open Commodity Derivative Contracts

At March 31, 2020, Company had open commodity derivative contracts to manage commodity price risks as presented in the table below.

Type/Year	Index	Total Volumes		Weighted Average Price per Unit		Fair Value - March 31, 2020
		(in millions)				Asset (Liability)
Crude oil fixed price swaps		(Bbl)		($/Bbl)
2020 (April through September)	NYMEX-WTI		0.2	$	59.79	$	7,960

Type/Year	Index	Total Volumes		Weighted Average Floor Price ($/MMBTU)			Weighted Average Ceiling Price ($/MMBTU)			Fair Value - March 31, 2020
		(in millions)								Asset (Liability)
Natural gas collars		(Mmbtu)
2020 (April through December)	NYMEX		57.4		$	2.39		$	2.87		$	26,255
2021	NYMEX		7.2		$	2.46		$	3.05		$	(180	)
Natural gas deferred premium put options (1)		(Mmbtu)
2020 (April through December)	NYMEX		13.4		$	2.42		N/A			$	5,360

(1) The natural gas deferred premium put options include an average deferred premium cost of $0.13.

Summary of Pre-tax Realized and Unrealized Gain (Loss) Recognized Related to Derivative Instruments

The following table summarizes the pre-tax realized and unrealized gain (loss) the Company recognized related to its derivative instruments in the condensed consolidated statements of operations for the three months ended March 31, 2020 and 2019:

	For the Three Months
	Ended March 31,
Commodity Derivatives (in thousands):	2020		2019
Realized gain on commodity derivatives - natural gas (1)	$	11,452	$	(81,203	)
Realized gain on commodity derivatives - oil (1)		4,897		2,572
Unrealized gain on commodity derivatives (1)		27,945		14,292
Total gain (loss) on commodity derivatives	$	44,294	$	(64,339	)

(1) Included in Gain (Loss) on commodity derivatives in the condensed consolidated statements of operations.