DERIVATIVE FINANCIAL INSTRUMENTS (Tables)

6 Months Ended

Jun. 30, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Summary of contracts for oil and natural gas

The following is a summary of the Company’s open costless collar contracts for oil and natural gas at June 30, 2021.

Commodity	Calculation Period	Notional Quantity (Bbl or MMBtu)	Weighted Average Price Floor ($/Bbl or $/MMBtu)		Weighted Average Price Ceiling ($/Bbl or $/MMBtu)		Fair Value of Asset (Liability) (thousands)
Oil	07/01/2021 - 12/31/2021	4,740,000	$	42.06	$	55.15	(80,256)
Natural Gas	07/01/2021 - 12/31/2021	21,200,000	$	2.45	$	3.68	(5,148)
Oil	01/01/2022 - 12/31/2022	2,040,000	$	50.00	$	67.85	(7,766)
Natural Gas	01/01/2022 - 03/31/2022	3,000,000	$	2.60	$	4.22	(952)
Total open costless collar contracts							$	(94,122)

The following is a summary of the Company’s open swap contracts for oil at June 30, 2021.

Commodity	Calculation Period	Notional Quantity (Bbl)	Fixed Price ($/Bbl)		Fair Value of Asset (Liability) (thousands)
Oil	07/01/2021 - 12/31/2021	1,020,000	$	35.26	(36,590)
Total open swap contracts					$	(36,590)

The following is a summary of the Company’s open basis swap contracts for oil at June 30, 2021.

Commodity	Calculation Period	Notional Quantity (Bbl)	Fixed Price ($/Bbl)		Fair Value of Asset (Liability) (thousands)
Oil Basis	07/01/2021 - 12/31/2021	4,200,000	$	0.87	3,714
Oil Basis	01/01/2022 - 12/31/2022	5,520,000	$	0.95	4,882
Total open basis swap contracts					$	8,596

Summary of gross asset balances of derivative instruments

The following table presents the gross asset and liability fair values of the Company’s commodity price derivative financial instruments and the location of these balances in the interim unaudited condensed consolidated balance sheets as of June 30, 2021 and December 31, 2020 (in thousands).

Derivative Instruments	Gross amounts recognized		Gross amounts netted in the condensed consolidated balance sheets		Net amounts presented in the condensed consolidated balance sheets
June 30, 2021
Current assets	$	365,741	$	(359,570)	$	6,171
Other assets	106,711		(104,287)		2,424
Current liabilities	(487,257)		359,570		(127,687)
Long-term liabilities	(107,311)		104,287		(3,024)
Total	$	(122,116)	$	—	$	(122,116)
December 31, 2020
Current assets	$	382,328	$	(375,601)	$	6,727
Other assets	150,194		(147,624)		2,570
Current liabilities	(420,787)		375,601		(45,186)
Long-term liabilities	(147,624)		147,624		—
Total	$	(35,889)	$	—	$	(35,889)

Summary of location and aggregate fair value of all derivative financial instruments recorded in the consolidated statements of operations

The following table summarizes the location and aggregate gain (loss) of all derivative financial instruments recorded in the interim unaudited condensed consolidated statements of operations for the periods presented (in thousands). These derivative financial instruments are not designated as hedging instruments.

		Three Months Ended June 30,				Six Months Ended June 30,
Type of Instrument	Location in Condensed Consolidated  Statement of Operations	2021		2020		2021		2020
Derivative Instrument
Oil	Revenues: Realized (loss) gain on derivatives	$	(42,611)	$	44,110	$	(68,686)	$	54,977
Natural Gas	Revenues: Realized gain on derivatives	—		—		162		—
Realized (loss) gain on derivatives		(42,611)		44,110		(68,524)		54,977
Oil	Revenues: Unrealized (loss) gain on derivatives	(35,163)		(134,567)		(74,432)		1,863
Natural Gas	Revenues: Unrealized (loss) gain on derivatives	(7,641)		1,899		(11,795)		1,899
Unrealized (loss) gain on derivatives		(42,804)		(132,668)		(86,227)		3,762
Total		$	(85,415)	$	(88,558)	$	(154,751)	$	58,739