Organization and Basis of Presentation (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	May 09, 2017 USD ($) class_of_stock $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares	Sep. 05, 2017 shares
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cash from sale of stock | $		$ 0	$ 39,438
Class A Common Stock
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock par value per share | $ / shares		$ 0.001	$ 0.001
Class B Common Stock
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock par value per share | $ / shares		$ 0.001	$ 0.001
Bold Contribution Agreement
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Number of classes of common stock | class_of_stock	2
Bold Contribution Agreement | Earthstone Energy Holdings, LLC | Bold Energy Holdings, LLC
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Membership units issued in exchange	36,070,828
Bold Contribution Agreement | Common Stock
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock par value per share | $ / shares	$ 0.001
Bold Contribution Agreement | Lynden Energy Corporation | Earthstone Energy Holdings, LLC
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Membership units issued in exchange	5,865,328
Bold Contribution Agreement | Class A Common Stock
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock par value per share | $ / shares	$ 0.001
Stock recapitalization, conversion ratio	1
Conversion ratio	1	1
Bold Contribution Agreement | Class A Common Stock | 2014 Long Term Incentive Plan
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Shares of common stock issued in arrangement	150,000
Bold Contribution Agreement | Class B Common Stock
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Common stock par value per share | $ / shares	$ 0.001
Cash from sale of stock | $	$ 36
Shares of common stock issued in arrangement				36,070,828
Conversion ratio	1
Bold Contribution Agreement | Class B Common Stock | Bold Energy Holdings, LLC
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cash from sale of stock | $	$ 36,071
Shares of common stock issued in arrangement	36,070,828
Bold Contribution Agreement | Class B Common Stock | Earthstone Energy Holdings, LLC | Bold Energy Holdings, LLC
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]
Cash from sale of stock | $	$ 36,071
Membership units issued in exchange	16,791,296