Derivative Instruments (Tables)

12 Months Ended

Dec. 31, 2019

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of Outstanding Financial Commodity Derivatives

As of December 31, 2019, the Company had the following outstanding financial commodity derivatives:

			Collars
			Floor			Ceiling			Swaps
Type of Contract	Volume (Mmbtu)	Contract Period	Range	Weighted-Average		Range	Weighted- Average		Weighted- Average
Natural gas (NYMEX)	10,700,000	Apr. 2020 - Oct. 2020							$	2.27
Natural gas (NYMEX)	10,700,000	Apr. 2020 - Oct. 2020	$—	$	2.15	$2.36 - $2.38	$	2.37

In early 2020, the Company entered into the following financial commodity derivatives:

			Collars
			Floor			Ceiling			Swaps
Type of Contract	Volume (Mmbtu)	Contract Period	Range	Weighted-Average		Range	Weighted- Average		Weighted- Average
Natural gas (NYMEX)	10,700,000	Apr. 2020 - Oct. 2020							$	2.28
Natural gas (NYMEX)	10,700,000	Apr. 2020 - Oct. 2020	$—	$	2.15	$—	$	2.38

Effect of Derivative Instruments on Consolidated Balance Sheet

Effect of Derivative Instruments on the Consolidated Balance Sheet

		Fair Values of Derivative Instruments
		Derivative Assets				Derivative Liabilities
		December 31,				December 31,
(In thousands)	Balance Sheet Location	2019		2018		2019	2018
Commodity contracts	Derivative instruments (current)	$	31	$	57,665	9	$	—

Schedule of Offsetting Derivative Assets in Consolidated Balance Sheet

Offsetting of Derivative Assets and Liabilities in the Consolidated Balance Sheet

	December 31,
(In thousands)	2019			2018
Derivative assets
Gross amounts of recognized assets	$	47		$	60,105
Gross amounts offset in the consolidated balance sheet	(16		)	(2,440		)
Net amounts of assets presented in the consolidated balance sheet	31			57,665
Gross amounts of financial instruments not offset in the consolidated balance sheet	—			—
Net amount	$	31		$	57,665
Derivative liabilities
Gross amounts of recognized liabilities	$	25		$	2,440
Gross amounts offset in the consolidated balance sheet	(16		)	(2,440		)
Net amounts of liabilities presented in the consolidated balance sheet	9			—
Gross amounts of financial instruments not offset in the consolidated balance sheet	—			—
Net amount	$	9		$	—

Schedule of Offsetting Derivative Liabilities in Consolidated Balance Sheet

Offsetting of Derivative Assets and Liabilities in the Consolidated Balance Sheet

	December 31,
(In thousands)	2019			2018
Derivative assets
Gross amounts of recognized assets	$	47		$	60,105
Gross amounts offset in the consolidated balance sheet	(16		)	(2,440		)
Net amounts of assets presented in the consolidated balance sheet	31			57,665
Gross amounts of financial instruments not offset in the consolidated balance sheet	—			—
Net amount	$	31		$	57,665
Derivative liabilities
Gross amounts of recognized liabilities	$	25		$	2,440
Gross amounts offset in the consolidated balance sheet	(16		)	(2,440		)
Net amounts of liabilities presented in the consolidated balance sheet	9			—
Gross amounts of financial instruments not offset in the consolidated balance sheet	—			—
Net amount	$	9		$	—

Effect of Derivative Instruments on Consolidated Statement of Operations

Effect of Derivative Instruments on the Consolidated Statement of Operations

	Year Ended December 31,
(In thousands)	2019			2018			2017
Cash received (paid) on settlement of derivative instruments
Gain (loss) on derivative instruments	$	138,450		$	(41,631	)	$	8,056
Non-cash gain (loss) on derivative instruments
Gain (loss) on derivative instruments	(57,642		)	86,063			8,870
	$	80,808		$	44,432		$	16,926