Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2023

Share-Based Payment Arrangement [Abstract]

Schedule of Changes in Unvested Restricted Stock

A summary of the changes in unvested RSUs is presented below:

	Unvested Restricted Stock Units	Weighted Average Grant Date Fair Value Per Share
	(in thousands)
Unvested as of December 31, 2022	957	$	68.91
Granted	439	$	72.19
Vested	(310)	$	59.96
Forfeited	(76)	$	66.14
Unvested as of June 30, 2023	1,010	$	73.29

Schedule of Valuation Assumptions

The following table presents the assumptions used in the valuation of the PSUs granted in 2023.

Assumption	TSR, rTSR
Risk-free interest rate	3.85	%
Volatility	64.4	%

Schedule of Changes in Unvested Performance Share

A summary of the changes in unvested PSUs is presented below:

	Unvested Performance Share Units	Weighted Average Grant Date Fair Value Per Share
	(in thousands)
Unvested as of December 31, 2022	276	$	88.28
Granted	131	$	78.78
Vested	—	$	—
Forfeited	—	$	—
Unvested as of June 30, 2023	407	$	85.23

Schedule of Compensation Costs

We recognized the following compensation costs, net of actual forfeitures, related to RSUs and PSUs for the periods presented:

	Three Months Ended June 30, 2023		Three Months Ended June 30, 2022		Six Months Ended June 30, 2023		Six Months Ended June 30, 2022
General and administrative expenses	$	8	$	6	$	14	$	9
Natural gas and oil properties	2		1		3		2
Production expense	1		1		2		1
Total RSU and PSU compensation	$	11	$	8	$	19	$	12
Related income tax benefit	$	3	$	—	$	4	$	—