Acquisitions and Divestitures - Asset Acquisition (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended
	Aug. 10, 2022	Apr. 14, 2022	Feb. 15, 2022	Mar. 31, 2023
Asset Acquisition [Line Items]
Noncurrent liabilities - ARO				$ 22
Titus Acquisition
Asset Acquisition [Line Items]
Cash consideration	$ 567,288
Direct transaction costs	1,173
Total consideration transferred	622,035
Oil and gas properties	634,877
Amount attributable to assets acquired	634,877
Current liabilities	11,928
Noncurrent liabilities - ARO	914
Amount attributable to liabilities assumed	$ 12,842
Titus Acquisition | Class A Common Stock
Asset Acquisition [Line Items]
Shares of Earthstone class A common stock issued (in shares)	3,857,015
Earthstone Class A Common Stock price (in dollars per share)	$ 13.89
Class A Common Stock consideration	$ 53,574
Bighorn Acquisition
Asset Acquisition [Line Items]
Shares of Earthstone class A common stock issued (in shares)		5,650,977
Cash consideration		$ 625,888
Direct transaction costs		2,352
Total consideration transferred		705,997
Current assets		769
Oil and gas properties		746,167
Amount attributable to assets acquired		746,936
Suspense payable		25,710
Other current liabilities		2,035
Noncurrent liabilities - ARO		13,194
Amount attributable to liabilities assumed		$ 40,939
Bighorn Acquisition | Class A Common Stock
Asset Acquisition [Line Items]
Shares of Earthstone class A common stock issued (in shares)		5,650,977
Earthstone Class A Common Stock price (in dollars per share)		$ 13.76
Class A Common Stock consideration		$ 77,757
Chisholm Acquisition
Asset Acquisition [Line Items]
Cash consideration			$ 383,877
Total consideration transferred			633,392
Oil and gas properties			642,391
Amount attributable to assets acquired			642,391
Other current liabilities			3,028
Noncurrent liabilities - ARO			5,971
Amount attributable to liabilities assumed			$ 8,999
Chisholm Acquisition | Class A Common Stock
Asset Acquisition [Line Items]
Shares of Earthstone class A common stock issued (in shares)			19,417,476
Earthstone Class A Common Stock price (in dollars per share)			$ 12.85
Class A Common Stock consideration			$ 249,515