Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	$ (308)	$ 1,092
Deferred income tax expense (benefit)	308	(1,092)
State and Local Jurisdiction
Income Tax Disclosure [Line Items]
Accrued Income Taxes, Current	900		$ 600
Lynden US
Income Tax Disclosure [Line Items]
Income tax expense (benefit)		(700)
Current Federal Tax Expense (Benefit)	200
IRM Acquisition | State and Local Jurisdiction
Income Tax Disclosure [Line Items]
Accrued Income Taxes, Current	300
Earthstone Energy Holdings, LLC
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	(1,200)	(2,900)
Deferred income tax expense (benefit)	$ 100	$ (400)