Net Income (Loss) Per Common Share - Reconciliation of Net Income (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jul. 06, 2022	Apr. 14, 2022
Class of Stock [Line Items]
Net income (loss) attributable to Earthstone Energy, Inc.	$ 452,485	$ 35,484	$ (13,547)
Net income (loss) attributable to Earthstone Energy, Inc. from assumed conversion of Series A Convertible Preferred Stock	12,388	0	0
Net income (loss) attributable to Earthstone Energy, Inc. - Diluted	$ 464,873	$ 35,484	$ (13,547)
Net income (loss) per common share attributable to Earthstone Energy, Inc.:
Basic (in dollars per share)	$ 5.12	$ 0.75	$ (0.45)
Diluted (in dollars per share)	$ 4.83	$ 0.71	$ (0.45)
Weighted average common shares outstanding
Basic (in shares)	88,349,088	47,169,948	29,911,625
Add potentially dilutive securities:
Unvested restricted stock units (in shares)	416,031	539,803	0
Unvested performance units (in shares)	1,757,841	2,242,342	0
Series A Convertible Preferred Stock (in shares)	5,805,257	0	0
Diluted weighted average common shares outstanding (in shares)	96,328,217	49,952,093	29,911,625
Preferred stock, shares issued (in shares)	0	0
Series A Convertible Preferred Stock
Class of Stock [Line Items]
Net income (loss) attributable to Earthstone Energy, Inc. from assumed conversion of Series A Convertible Preferred Stock	$ 12,400
Add potentially dilutive securities:
Preferred stock, shares issued (in shares)	0	0			280,000
Class A Common Stock
Add potentially dilutive securities:
Convertible preferred stock, shares issued upon conversion (in shares)				25,225,225