Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
REVENUES
Total revenues	$ 75,572	$ 45,138
OPERATING COSTS AND EXPENSES
Lease operating expense	10,849	9,339
Production and ad valorem taxes	5,027	3,023
Depreciation, depletion and amortization	24,407	24,656
Impairment expense	0	60,371
General and administrative expense	8,380	7,132
Transaction costs	2,106	844
Accretion of asset retirement obligations	290	44
Exploration expense	0	301
Total operating costs and expenses	51,059	105,710
Gain on sale of oil and gas properties	0	204
Income (loss) from operations	24,513	(60,368)
OTHER INCOME (EXPENSE)
Interest expense, net	(2,217)	(1,736)
(Loss) gain on derivative contracts, net	(33,263)	99,784
Other income, net	103	126
Total other (expense) income	(35,377)	98,174
(Loss) income before income taxes	(10,864)	37,806
Income tax benefit (expense)	308	(1,092)
Net (loss) income	(10,556)	36,714
Less: Net (loss) income attributable to noncontrolling interest	(4,723)	20,006
Net (loss) income attributable to Earthstone Energy, Inc.	$ (5,833)	$ 16,708
Net (loss) income per common share attributable to Earthstone Energy, Inc.:
Basic (in dollars per share)	$ (0.14)	$ 0.57
Diluted (in dollars per share)	$ (0.14)	$ 0.57
Weighted average common shares outstanding:
Basic (in shares)	42,778,916	29,497,428
Diluted (in shares)	42,778,916	29,497,428
Oil
REVENUES
Total revenues	$ 60,819	$ 41,012
Natural gas
REVENUES
Total revenues	5,852	1,086
Natural gas liquids
REVENUES
Total revenues	$ 8,901	$ 3,040