Acquisitions and Divestitures - Narrative (Details) $ / shares in Units, $ in Thousands				2 Months Ended	3 Months Ended		5 Months Ended	12 Months Ended
	Nov. 02, 2021 USD ($) shares	Jul. 20, 2021 USD ($) shares	Jan. 07, 2021 USD ($) $ / shares shares	Jun. 30, 2021 USD ($) seller	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($) seller	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Transaction costs								$ 4,875		$ 622	$ 1,077
Proceeds from sale of oil and gas properties								975		414	4,184
Gain on sale of oil and gas properties, net								$ 738		204	3,222
Non-core Properties
Business Acquisition [Line Items]
Proceeds from sale of oil and gas properties											4,200
Gain on sale of oil and gas properties, net											$ 3,600
Tracker Acquisition
Business Acquisition [Line Items]
Payments to acquire assets, net of purchase price adjustments		$ 18,800
Shares of earthstone class A common stock issued (in shares) | shares		4,700,000
Cash consideration		$ 18,800
Tracker Acquisition | Significant Shareholder
Business Acquisition [Line Items]
Asset acquisition, percentage of voting interest acquired					49.00%		49.00%	49.00%	49.00%
Sequel Purchase Agreement
Business Acquisition [Line Items]
Shares of earthstone class A common stock issued (in shares) | shares		1,500,000
Cash consideration		$ 41,400
Tracker And Sequel Acquisitions
Business Acquisition [Line Items]
Asset acquisition pro forma revenue							$ 40,500
Asset acquisition pro forma operating expenses							$ 11,500
Foreland Acquisition
Business Acquisition [Line Items]
Shares of earthstone class A common stock issued (in shares) | shares	2,611,111
Cash consideration	$ 16,300
BCC Acquisition
Business Acquisition [Line Items]
Cash consideration	$ 23,000
Class A Common Stock | Tracker Acquisition
Business Acquisition [Line Items]
Shares of earthstone class A common stock issued (in shares) | shares		4,700,000
Class A Common Stock | Tracker And Sequel Acquisitions
Business Acquisition [Line Items]
Shares of earthstone class A common stock issued (in shares) | shares		6,200,000
IRM Acquisition
Business Acquisition [Line Items]
Net cash consideration			$ 140,500
Pro forma revenue									$ 95,100
Pro forma operating expense									$ 44,400
Transaction costs					$ 4,000			$ 4,000		$ 1,000
Total consideration transferred			$ 217,079
IRM Acquisition | Class A Common Stock
Business Acquisition [Line Items]
Shares issued (in shares) | shares			12,719,594
Acquisition shares price (in dollars per share) | $ / shares			$ 6.02
Eagle Ford Acquisitions
Business Acquisition [Line Items]
Business combination, number of separate sellers | seller				4		4
Total consideration transferred				$ 45,200		$ 45,200