Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
REVENUES
Revenues	$ 144,523	$ 191,262
OPERATING COSTS AND EXPENSES
Lease operating expense	29,131	28,683
Production and ad valorem taxes	9,411	11,871
Rig idle and termination expense	426	0
Impairment expense	64,498	0
Depreciation, depletion and amortization	96,414	69,243
General and administrative expense	28,233	27,611
Transaction costs	622	1,077
Accretion of asset retirement obligation	307	214
Exploration expense	298	653
Total operating costs and expenses	229,340	139,352
Gain on sale of oil and gas properties, net	204	3,222
(Loss) income from operations	(84,613)	55,132
OTHER INCOME (EXPENSE)
Interest expense, net	(5,232)	(6,566)
Write-off of deferred financing costs	0	(1,242)
Gain (loss) on derivative contracts, net	59,899	(43,983)
Other income (expense), net	400	(96)
Total other income (expense)	55,067	(51,887)
(Loss) income before income taxes	(29,546)	3,245
Income tax benefit (expense)	112	(1,665)
Net (loss) income	(29,434)	1,580
Less:  Net (loss) income attributable to noncontrolling interest	(15,887)	861
Net (loss) income attributable to Earthstone Energy, Inc.	$ (13,547)	$ 719
Net (loss) income per common share attributable to Earthstone Energy, Inc.:
Basic (in dollars per share)	$ (0.45)	$ 0.02
Diluted (in dollars per share)	$ (0.45)	$ 0.02
Weighted average common shares outstanding:
Basic (in shares)	29,911,625	28,983,354
Diluted (in shares)	29,911,625	29,360,885
Oil Revenue
REVENUES
Revenues	$ 120,355	$ 171,925
Natural Gas (MMcf)
REVENUES
Revenues	8,567	3,913
NGLs (MBbl)
REVENUES
Revenues	$ 15,601	$ 15,424