Acquisitions and Divestitures - Schedule of Unaudited Pro forma Revenues and Expenses of Assets Acquired and Liabilities Assumed (Details) - Lynden Arrangement [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Revenue	$ 12,737	$ 21,299	$ 22,084	$ 36,319
(Loss) income before taxes	(10,190)	415	(16,904)	(1,556)
Net (loss) income available to Earthstone common stockholders	$ (10,847)	$ 207	$ (17,796)	$ (1,085)
Pro Forma net (loss) income per common share:
Basic and diluted	$ (0.62)	$ 0.01	$ (1.01)	$ (0.06)