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Equity-Based Compensation - Performance Share Units (Details) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($) $ / shares	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) $ / shares shares	Jun. 30, 2020 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expenses	$ 4,702	$ 4,890	$ 6,900	$ 11,697
Company's Oil and Gas Peers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Eligible to be earned, percentage			0.50
Broad Based Russell 2000 Index
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Eligible to be earned, percentage			0.50
2020 Incentive Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expenses		6,500		6,500
Performance Share Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expenses		$ 1,900		$ 4,100
Performance Share Unit Awards | 2020 Incentive Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares) | shares			183,915
Weighted average grant date value (in dollars per share) | $ / shares	$ 63.95		$ 63.95
Equity-based compensation expenses	$ 1,000		$ 1,300
Minimum | Performance Share Unit Awards | 2020 Incentive Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			3 years
PSU granted percentage of earnings (as a percent)			0.00%
Maximum | Performance Share Unit Awards | 2020 Incentive Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
PSU granted percentage of earnings (as a percent)			150.00%

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Percentage Of Performance Share Awards Based On Shareholder Return

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Per share or unit weighted-average intrinsic value of award granted under share-based payment arrangement. Excludes share and unit options.

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Net number of non-option equity instruments granted to participants.

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