2. Earnings Per Share (Details) (USD $)	3 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Earnings Per Share Details
Net income attributable to Earthstone Energy, Inc. Shareholders	$ 997,000		$ 693,000
Weighted average number of shares used in basic earnings per share	1,719,042		1,710,829
Effects of dilutive securities:
Unvested common shares*	$ 5,470	[1]		[1]
Weighted average number of shares used in diluted earnings per share	1,724,512		1,710,829
Basic earnings per share attributable to Earthstone Energy, Inc. Shareholders	$ 0.58		$ 0.40
Diluted earnings per share attributable to Earthstone Energy, Inc. Shareholders	$ 0.58		$ 0.40

[1] As of June 30, 2013, we have excluded unvested common shares outstanding from the calculation of diluted earnings per share, as the inclusion of these shares would have been anti-dilutive.