Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	$ 613	$ (302)	$ 153	$ (53)
Deferred income tax expense (benefit)			153	(53)
Income tax benefit related to refundable AMT tax credits				500
Earthstone Energy Holdings, LLC
Income Tax Disclosure [Line Items]
Income tax expense (benefit)			(1,600)	900
Deferred income tax expense (benefit)			600	200
Lynden US
Income Tax Disclosure [Line Items]
Income tax expense (benefit)			$ (400)	$ 200