Fair Value Measurements of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2021

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following tables present the gross derivative assets and liabilities that are measured at fair value on a recurring basis at March 31, 2021 and December 31, 2020 for each of the fair value hierarchy levels:

	Fair Value Measurements at March 31, 2021 Using
	Quoted Prices in		Significant Other		Significant
	Active Market		Observable Inputs		Unobservable Inputs
	(Level 1)		(Level 2)		(Level 3)		Fair Value
	(In thousands)
Assets:
Commodity derivatives	$	—	$	7,896	$	—	$	7,896
Interest rate derivatives		—		—		—		—
Total assets	$	—	$	7,896	$	—	$	7,896
Liabilities:
Commodity derivatives	$	—	$	39,894	$	—	$	39,894
Interest rate derivatives		—		2,226		—		2,226
Total liabilities	$	—	$	42,120	$	—	$	42,120

	Fair Value Measurements at December 31, 2020 Using
	Quoted Prices in		Significant Other		Significant
	Active Market		Observable Inputs		Unobservable Inputs
	(Level 1)		(Level 2)		(Level 3)		Fair Value
	(In thousands)
Assets:
Commodity derivatives	$	—	$	15,449	$	—	$	15,449
Interest rate derivatives		—		—		—		—
Total assets	$	—	$	15,449	$	—	$	15,449
Liabilities:
Commodity derivatives	$	—	$	23,495	$	—	$	23,495
Interest rate derivatives		—		2,752		—		2,752
Total liabilities	$	—	$	26,247	$	—	$	26,247