Stock-Based Compensation - Total Shareholder Return Goals (Details) - Performance Stock Units	3 Months Ended
	Mar. 31, 2022
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earthstone’s Annualized TSR	8.40%
23.9% or greater | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earthstone’s Annualized TSR	23.90%
23.9% or greater | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Multiplier	200.00%
0.145 | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earthstone’s Annualized TSR	14.50%
0.145 | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Multiplier	100.00%
7.7% | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Earthstone’s Annualized TSR	8.40%
7.7% | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Multiplier	50.00%
Less than 8.4% | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
TSR Multiplier	0.00%