Acquisitions - Consideration Transferred In Business Combination (Details) $ / shares in Units, $ in Thousands	Jan. 07, 2021 USD ($) $ / shares shares
Fair value of liabilities assumed:
Other current liabilities	$ 5,314
IRM Acquisition
Business Acquisition [Line Items]
Cash consideration	140,366
Total consideration transferred	216,938
Fair value of assets acquired:
Cash	4,763
Other current assets	11,524
Oil and gas properties	226,178
Other non-current assets	252
Amount attributable to assets acquired	242,717
Fair value of liabilities assumed:
Derivative liability	10,177
Asset retirement obligation - noncurrent	10,288
Amount attributable to liabilities assumed	25,779
Net cash consideration	140,400
Cash consideration	$ 140,366
IRM Acquisition \| Class A Common Stock
Business Acquisition [Line Items]
Shares of Earthstone Class A common stock issued (in shares) \| shares	12,719,594
Earthstone Class A Common Stock price (in dollars per share) \| $ / shares	$ 6.02
Class A Common Stock consideration	$ 76,572

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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