Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Line Items]
Income tax benefit (expense)	$ 460	$ (249)
Deferred income tax expense (benefit)	(460)	249
Earthstone Energy Holdings, LLC
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	2,900	900
Deferred income tax expense (benefit)	300
Lynden US
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	$ 800	$ 200