Share-Based Compensation (Tables)

9 Months Ended

Sep. 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	$	72.20
Vested	(319)	$	60.79
Forfeited	(100)	$	67.54
Unvested as of September 30, 2023	977	$	73.17

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	(13)	$	69.79
Unvested as of September 30, 2023	394	$	85.72

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 September 30,				Nine Months Ended September 30,
	2023		2022		2023		2022
General and administrative expenses	$	7	$	5	$	21	$	14
Natural gas and oil properties	2		1		5		3
Production expense	1		1		3		2
Total RSU and PSU compensation	$	10	$	7	$	29	$	19
Related income tax benefit	$	2	$	—	$	6	$	—