Equity-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	May 31, 2025	May 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Enerplus Corporation Acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash paid to settle Enerplus equity-based compensation awards	$ 102,393	$ 102,400
Equity-Classified Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 6,500	$ 5,900	$ 19,500	$ 16,100
Liability-Classified Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense			$ 0	$ 0	$ 0	$ 0
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)					200,461
Weighted average grant date fair value (in dollars per share)					$ 118.27
Restricted Stock Units (RSUs) \| Vesting period one
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					1 year
Restricted Stock Units (RSUs) \| Vesting period two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					3 years
Restricted Stock Units (RSUs) \| Vesting period three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					4 years
Absolute TSR
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Additional shares granted (in shares)					24,730
Weighted average grant date value (in dollars per share)					$ 170.38
Absolute TSR \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted percentage of earnings (as a percent)					0.00%
Absolute TSR \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted percentage of earnings (as a percent)					300.00%
Relative TSR
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted percentage of earnings (as a percent)					100.00%
Additional shares granted (in shares)					74,219
Weighted average grant date value (in dollars per share)					$ 136.18
Relative TSR \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted percentage of earnings (as a percent)					0.00%
Relative TSR \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted percentage of earnings (as a percent)					200.00%
Leverage Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period					3 years
Phantom Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares)					11,900
Weighted average grant date fair value (in dollars per share)					$ 121.70
Number of shares for cash payment value (in shares)			1		1

Chord Energy Corp 10-Q