Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Schedule of Restricted Stock Units Activity

The following table summarizes RSU Equity Award activity for the year ended December 31, 2021:

	RSU Equity Awards (in thousands)	Weighted Average Grant-Date Fair Value per Share
Unvested at the beginning of the year	677	$34.57
Granted	643	$38.59
Vested	(224)	$43.97
Forfeited	(128)	$42.40
Unvested at the end of the year	968	$34.04

Cash-Settled RSU Awards. The table below summarizes the Cash-Settled RSU Award activity for the year ended December 31, 2021:

	Cash-Settled RSU Awards (in thousands)	Weighted Average Grant-Date Fair Value per Share
Unvested at the beginning of the year	196	$47.56
Granted (1)	3	$36.71
Vested	(14)	$107.93
Did not vest at end of performance period	(14)	$107.93
Forfeited	(24)	$54.57
Unvested at the end of the year	147	$34.60

(1)Includes 3.2 thousand units associated with deferrals of certain non-employee director compensation pursuant to the terms of the Amended and Restated Deferred Compensation Plan for Outside Directors.

Cash-Settled SARs. The table below summarizes the Cash SAR activity for the year ended December 31, 2021.

	Stock Appreciation Rights (in thousands)	Weighted Average Exercise Prices	Weighted Average Remaining Life (In years)	Aggregate Intrinsic Value (In millions)
Outstanding, beginning of the year	368	$100.34
Granted	—	$—
Exercised	—	$—
Forfeited	—	$—
Expired	(65)	$156.00
Outstanding, end of the year	303	$88.37	3.1	$—
Vested, end of the year	303	$88.37	—	$—
Vested and exercisable, end of the year	—	$—	—	$—

Schedule of Shares that Vested and Did Not Vest

The following table summarizes the shares that vested and did not vest as a result of the Company’s performance as compared to its peers.

	Years Ended December 31,
Performance-based Equity Awards	2021		2020	2019
Vesting Multiplier	50	%	50% - 100%	100	%
Target	28,356		21,920	8,878
Vested at end of performance period	14,177		11,372	8,878
Did not vest at end of performance period	14,179		10,548	—

Schedule of Fair Value Inputs

The following table summarizes the assumptions used and the resulting grant date fair value per performance-based RSU Equity Award granted during the years ended December 31, 2020 and 2019:

Performance-based Awards	June 29, 2020		January 31, 2020		January 31, 2019
Expected term (in years)	2.5		2.9		2.9
Expected volatility	113.2	%	54.8	%	47.9	%
Risk-free interest rate	0.2	%	1.3	%	2.4	%
Dividend yield	—	%	—	%	—	%

The following table summarizes the assumptions used and the expiration date for the grants that occurred during the period presented below:

Cash SARs	2019
Expected term (in years)	5.4
Expected volatility	60.7	%
Risk-free interest rate	1.7	%
Dividend yield	—	%
Expiration date	March 17, 2026

Summary of Liability for Cash-Settled Awards

The following table summarizes the classification in the consolidated balance sheets of the Company’s cash-settled awards for the periods indicated:

	December 31,
	2021	2020
	(In thousands)
Cash SARs	$7,884	$1,670
Cash-Settled RSU Awards	1,382	182
Other current liabilities	9,266	1,852
Cash-Settled RSU Awards	6,366	1,336
Other long-term liabilities	6,366	1,336
Total Cash-Settled RSU Awards	$15,632	$3,188

Schedule of Share-based Compensation Expense

The following table presents share-based compensation expense (benefit), net for each respective period:

	Years Ended December 31,
	2021	2020	2019
RSU Equity Awards	$13,230	$13,030	$14,322
Cash-Settled RSU Awards	6,412	(771)	1,021
Cash SARs	6,215	(3,344)	443
	25,857	8,915	15,786
Less: amounts capitalized to oil and gas properties	(12,934)	(6,252)	(4,704)
Total share-based compensation expense, net	$12,923	$2,663	$11,082