Acquisitions and Divestitures - Business Acquisition, Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Business Combination, Asset Acquisition and Divestitures [Abstract]
Revenue	$ 501,601	$ 291,725	$ 893,604	$ 512,796
Income (loss) before taxes	261,050	(3,675)	333,366	(12,522)
Net income (loss)	238,362	(3,544)	312,211	(12,319)
Less: Net income (loss) attributable to noncontrolling interest	76,673	(1,528)	102,865	(5,454)
Net income (loss) attributable to Earthstone Energy, Inc.	$ 161,689	$ (2,016)	$ 209,346	$ (6,865)
Basic (in dollars per share)	$ 2.07	$ (0.03)	$ 2.95	$ (0.09)
Diluted (in dollars per share)	$ 1.62	$ (0.03)	$ 2.54	$ (0.09)