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Acquisitions and Divestitures - Schedule of Consideration Transferred, Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
May 09, 2017
Mar. 31, 2018
Bold Transaction    
Business Acquisition [Line Items]    
Shares of common stock issued in arrangement 36,220,828  
Closing per share price of common stock (in dollars per share) $ 13.58  
Total consideration transferred $ 491,879  
Fair value of assets acquired:    
Cash and cash equivalents 2,355  
Other current assets 10,078  
Oil and gas properties 557,704  
Amount attributable to assets acquired 570,137  
Fair value of liabilities assumed:    
Long-term debt and Credit facility 58,000  
Current liabilities 17,042  
Deferred tax liability 2,857  
Noncurrent asset retirement obligations 359  
Amount attributable to liabilities assumed $ 78,258  
Bold Transaction | Class A Common Stock    
Business Acquisition [Line Items]    
Shares of common stock issued in arrangement 150,000  
Closing per share price of common stock (in dollars per share) $ 13.58  
Bold Transaction | Class B Common Stock    
Business Acquisition [Line Items]    
Closing per share price of common stock (in dollars per share) $ 13.58  
Bold Transaction | Bold Energy III LLC | Certain Employees | Class A Common Stock    
Business Acquisition [Line Items]    
Shares of common stock issued in arrangement 150,000  
Bold Transaction | Bold Energy Holdings, LLC    
Business Acquisition [Line Items]    
Shares of common stock issued in arrangement 36,070,828  
Bold Transaction | Bold Energy Holdings, LLC | Class B Common Stock    
Business Acquisition [Line Items]    
EEH Units issued to Bold Holdings (in shares) 36,070,828  
Bold Contribution Agreement    
Business Acquisition [Line Items]    
Closing per share price of common stock (in dollars per share) $ 13.58  
Bold Contribution Agreement | Class A Common Stock    
Fair value of liabilities assumed:    
EEH Units and Class B Common Stock converted to Class A Common Stock (in shares)   1
Bold Contribution Agreement | Class B Common Stock    
Fair value of liabilities assumed:    
EEH Units and Class B Common Stock converted to Class A Common Stock (in shares)   1
Bold Contribution Agreement | Bold Energy Holdings, LLC | Class B Common Stock    
Business Acquisition [Line Items]    
Shares of common stock issued in arrangement 36,070,828  
Fair value of liabilities assumed:    
Cash from sale of stock $ 36,071  
Earthstone Energy Holdings, LLC | Bold Transaction | Bold Energy Holdings, LLC    
Business Acquisition [Line Items]    
EEH Units issued to Bold Holdings (in shares) 36,070,828  
Earthstone Energy Holdings, LLC | Bold Contribution Agreement | Bold Energy Holdings, LLC    
Business Acquisition [Line Items]    
EEH Units issued to Bold Holdings (in shares) 36,070,828  
Earthstone Energy Holdings, LLC | Bold Contribution Agreement | Bold Energy Holdings, LLC | Class B Common Stock    
Business Acquisition [Line Items]    
EEH Units issued to Bold Holdings (in shares) 16,791,296  
Fair value of liabilities assumed:    
Cash from sale of stock $ 36,071