Acquisitions and Divestitures - Business Acquisition, Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Combination, Asset Acquisition and Divestitures [Abstract]
Revenue	$ 1,016,529	$ 450,618	$ 1,910,133	$ 963,414
Income before taxes	671,440	53,933	1,004,806	41,410
Net income	610,922	53,127	923,133	40,808
Less: Net income attributable to noncontrolling interest	179,944	23,093	282,808	17,639
Net income attributable to Earthstone Energy, Inc.	$ 430,978	$ 30,034	$ 640,325	$ 23,169
Basic (in dollars per share)	$ 3.98	$ 0.29	$ 5.92	$ 0.24
Diluted (in dollars per share)	$ 3.85	$ 0.28	$ 5.52	$ 0.24