Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	$ 575	$ 172	$ 728	$ 119
Deferred income tax expense (benefit)			728	119
Income tax benefit related to refundable AMT tax credits				500
Earthstone Energy Holdings, LLC
Income Tax Disclosure [Line Items]
Income tax expense (benefit)			600	1,100
Deferred income tax expense (benefit)			600	300
Lynden US
Income Tax Disclosure [Line Items]
Income tax expense (benefit)			$ 100	$ 300