Fair Value Measurements (Tables)

3 Months Ended

9 Months Ended

Mar. 31, 2022

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value Hierarchy Table for Assets and Liabilities Measured at Fair Value

The following tables present the fair value hierarchy for assets and liabilities measured at fair value, on a recurring basis (in thousands):

		Fair Value Measurements at March 31, 2022 using:
		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total Carrying Value as of March 31, 2022
Trading securities held in the deferred compensation    plans		$	71,184	$	—		$	—		$	71,184
Commodity price derivatives	–swaps		—		(543,060	)		—			(543,060	)
	–collars		—		(220,908	)		(5,481	)		(226,389	)
	–three-way collars		—		(174,458	)		—			(174,458	)
	–basis swaps		—		22,452			—			22,452
	–swaptions		—		—			(45,871	)		(45,871	)
Divestiture contingent consideration			—		34,760			—			34,760

		Fair Value Measurements at December 31, 2021 using:
		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)			Significant Unobservable Inputs (Level 3)			Total Carrying Value as of December 31, 2021
Trading securities held in the deferred compensation    plans		$	69,606	$	—		$	—		$	69,606
Commodity price derivatives	–swaps		—		(127,934	)		—			(127,934	)
	–calls		—		(61	)		—			(61	)
	–collars		—		(4,201	)		(1,272	)		(5,473	)
	–three-way collars		—		(24,932	)		—			(24,932	)
	–basis swaps		—		16,151			—			16,151
	–swaptions		—		—			(11,149	)		(11,149	)
Derivatives	–freight swaps		—		114			—			114
Divesture contingent consideration			—		26,640			—			26,640

Reconciliation of the Beginning and Ending Balances for Derivative Instruments Classified as Level 3 in the Fair Value Hierarchy

The following is a reconciliation of the beginning and ending balances for derivative instruments classified as Level 3 in the fair value hierarchy (in thousands):

	As of March 31,  2022
Balance at December 31, 2021	$	(12,420	)
Total losses:
Included in earnings		(28,105	)
Additions		(12,320	)
Settlements		1,493
Transfers out of Level 3		—
Balance at March 31, 2022	$	(51,352	)

Carrying Amounts and Fair Values of Financial Instruments

The following presents the carrying amounts and the fair values of our financial instruments as of March 31, 2022 and December 31, 2021 (in thousands):

	March 31, 2022						December 31, 2021
	Carrying Value			Fair Value			Carrying Value			Fair Value
Assets:
Commodity swaps, collars and basis swaps	$	4,016		$	4,016		$	17,699		$	17,699
Divestiture contingent consideration		34,760			34,760			26,640			26,640
Marketable securities (a)		71,184			71,184			69,606			69,606
(Liabilities):
Commodity swaps, collars and basis swaps		(971,342	)		(971,342	)		(170,983	)		(170,983	)
Bank credit facility (b)		—			—			—			—
5.00% senior notes due 2022 (b)		(169,589	)		(169,628	)		(169,589	)		(171,488	)
5.875% senior notes due 2022 (b)		(48,528	)		(48,528	)		(48,528	)		(48,955	)
5.00% senior notes due 2023 (b)		(532,335	)		(536,769	)		(532,335	)		(543,471	)
4.875% senior notes due 2025 (b)		(750,000	)		(759,735	)		(750,000	)		(776,153	)
9.25% senior notes due 2026 (b)		—			—			(850,000	)		(916,929	)
8.25% senior notes due 2029 (b)		(600,000	)		(657,480	)		(600,000	)		(669,648	)
4.75% senior notes due 2030 (b)		(500,000	)		(496,795	)		—			—
Deferred compensation plan (c)		(237,657	)		(237,657	)		(165,395	)		(165,395	)