Common Stock	3 Months Ended
Mar. 31, 2018
Equity [Abstract]
Common Stock	Common Stock On May 9, 2017, and in connection with the completion of the Bold Transaction, Earthstone recapitalized its Common Stock into two classes, as described in Note 1. – Basis of Presentation and Summary of Significant Accounting Policies, Class A Common Stock and Class B Common Stock. At that time, all of Earthstone’s existing outstanding Common Stock was automatically converted on a one-for-one basis into Class A Common Stock. Class A Common Stock At March 31, 2018 and December 31, 2017, there were 27,864,956 and 27,584,638 shares of Class A Common Stock issued and outstanding, respectively. During the three months ended March 31, 2018, the Company issued 86,272 shares of Class A Common Stock as a result of the vesting and settlement of restricted stock units under the 2014 Plan. During the three months ended March 31, 2017, 285,875 shares of Common Stock were issued as a result of the vesting and settlement of restricted stock units under the 2014 Plan. Class B Common Stock At March 31, 2018 and December 31, 2017, there were 35,858,123 and 36,052,169 shares of Class B Common Stock issued and outstanding, respectively. Each share of Class B Common Stock, together with one EEH Unit, is convertible into one share of Class A Common Stock. During the three months ended March 31, 2018, 194,046 shares of Class B Common Stock, along with 194,046 EEH Units, were exchanged for 194,046 shares of Class A Common Stock.

Common Stock

On May 9, 2017, and in connection with the completion of the Bold Transaction, Earthstone recapitalized its Common Stock into two classes, as described in Note 1. – Basis of Presentation and Summary of Significant Accounting Policies, Class A Common Stock and Class B Common Stock. At that time, all of Earthstone’s existing outstanding Common Stock was automatically converted on a one-for-one basis into Class A Common Stock.

Class A Common Stock

At March 31, 2018 and December 31, 2017, there were 27,864,956 and 27,584,638 shares of Class A Common Stock issued and outstanding, respectively. During the three months ended March 31, 2018, the Company issued 86,272 shares of Class A Common Stock as a result of the vesting and settlement of restricted stock units under the 2014 Plan. During the three months ended March 31, 2017, 285,875 shares of Common Stock were issued as a result of the vesting and settlement of restricted stock units under the 2014 Plan.

Class B Common Stock

At March 31, 2018 and December 31, 2017, there were 35,858,123 and 36,052,169 shares of Class B Common Stock issued and outstanding, respectively. Each share of Class B Common Stock, together with one EEH Unit, is convertible into one share of Class A Common Stock. During the three months ended March 31, 2018, 194,046 shares of Class B Common Stock, along with 194,046 EEH Units, were exchanged for 194,046 shares of Class A Common Stock.