Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
REVENUES
Revenues	$ 21,663,000	$ 44,542,000	$ 66,801,000	$ 85,270,000
OPERATING COSTS AND EXPENSES
Lease operating expense	5,588,000	8,005,000	14,927,000	14,066,000
Production and ad valorem taxes	1,479,000	2,709,000	4,502,000	5,303,000
Rig termination expense	426,000	0	426,000	0
Depreciation, depletion and amortization	22,902,000	14,197,000	47,558,000	28,202,000
Impairment expense	62,000	0	60,433,000	0
General and administrative expense	6,687,000	6,816,000	13,819,000	13,891,000
Transaction costs	(463,000)	212,000	381,000	582,000
Accretion of asset retirement obligation	46,000	54,000	90,000	108,000
Exploration expense	(3,000)	0	298,000	0
Total operating costs and expenses	36,724,000	31,993,000	142,434,000	62,152,000
(Loss) gain on sale of oil and gas properties	(6,000)	(201,000)	198,000	(326,000)
(Loss) income from operations	(15,067,000)	12,348,000	(75,435,000)	22,792,000
OTHER INCOME (EXPENSE)
Interest expense, net	(1,285,000)	(1,677,000)	(3,021,000)	(3,126,000)
(Loss) gain on derivative contracts, net	(20,679,000)	9,496,000	79,105,000	(38,398,000)
Other income (expense), net	12,000	(18,000)	138,000	(22,000)
Total other income (expense)	(21,952,000)	7,801,000	76,222,000	(41,546,000)
(Loss) income before income taxes	(37,019,000)	20,149,000	787,000	(18,754,000)
Income tax benefit (expense)	1,110,000	(613,000)	18,000	(153,000)
Net (loss) income	(35,909,000)	19,536,000	805,000	(18,907,000)
Net loss attributable to noncontrolling interest	(19,570,000)	10,759,000	436,000	(10,480,000)
Net (loss) income attributable to Earthstone Energy, Inc.	$ (16,339,000)	$ 8,777,000	$ 369,000	$ (8,427,000)
Net (loss) income per common share attributable to Earthstone Energy, Inc.:
Basic (in dollars per share)	$ (0.55)	$ 0.30	$ 0.01	$ (0.29)
Diluted (in dollars per share)	$ (0.55)	$ 0.30	$ 0.01	$ (0.29)
Weighted average common shares outstanding:
Basic (in shares)	29,858,162	28,895,893	29,677,795	28,808,205
Diluted (in shares)	29,858,162	29,228,886	29,677,795	28,808,205
Oil
REVENUES
Revenues	$ 18,847,000	$ 40,767,000	$ 59,859,000	$ 76,214,000
Natural gas
REVENUES
Revenues	1,127,000	129,000	2,213,000	1,223,000
Natural gas liquids
REVENUES
Revenues	$ 1,689,000	$ 3,646,000	$ 4,729,000	$ 7,833,000