Noncontrolling Interest - Summary of Changes in Noncontrolling Interest (Details)	6 Months Ended
	Jun. 30, 2020 shares	Dec. 31, 2019
Class A Common Stock
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Outstanding, beginning balance (in shares)	29,421,131
Outstanding, ending balance (in shares)	30,020,357
Earthstone Energy Holdings, LLC
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Outstanding, beginning balance (in shares)	64,681,811
Outstanding, ending balance (in shares)	65,079,044
Earthstone Energy Holdings, LLC | Restricted Stock Units
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
EEH Units issued in connection with the vesting of restricted stock units (in shares)	397,233
Earthstone Energy Holdings, LLC | Bold Transaction | Class A Common Stock
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
EEH units and class B common stock converted to class A common stock (in shares)	0
EEH Units Held By Earthstone and Lynden US | Earthstone Energy Holdings, LLC
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Outstanding, beginning balance (in shares)	29,421,131
Outstanding, ending balance (in shares)	30,020,357
Percentage of EEH Units Held By Earthstone and Lynden	46.10%	45.50%
EEH Units Held By Earthstone and Lynden US | Earthstone Energy Holdings, LLC | Restricted Stock Units
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
EEH Units issued in connection with the vesting of restricted stock units (in shares)	397,233
EEH Units Held By Earthstone and Lynden US | Earthstone Energy Holdings, LLC | Bold Transaction | Class A Common Stock
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
EEH units and class B common stock converted to class A common stock (in shares)	201,993
EEH Units Held By Others | Earthstone Energy Holdings, LLC
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Outstanding, beginning balance (in shares)	35,260,680
Outstanding, ending balance (in shares)	35,058,687
Percentage of EEH Units Held By Others	53.90%	54.50%
EEH Units Held By Others | Earthstone Energy Holdings, LLC | Bold Transaction | Class A Common Stock
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
EEH units and class B common stock converted to class A common stock (in shares)	(201,993)