Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
REVENUES
Total revenues	$ 165,356	$ 108,078
OPERATING COSTS AND EXPENSES
Lease operating expense	20,522	19,658
Severance taxes	8,060	6,060
Impairment expense	4,581	72,191
Depreciation, depletion and amortization	47,568	36,915
General and administrative expense	28,159	27,067
Transaction costs	13,524	4,732
Accretion of asset retirement obligation	169	434
Exploration expense	630	1
Total operating costs and expenses	123,213	167,058
Gain on sale of oil and gas properties, net	1,919	9,105
Income (loss) from operations	44,062	(49,875)
OTHER INCOME (EXPENSE)
Interest expense, net	(2,898)	(2,699)
Write-off of deferred financing costs	0	(526)
Gain (loss) on derivative contracts, net	60,947	(7,986)
Litigation settlement	(4,675)	0
Other income (expense), net	247	(20)
Total other income (expense)	53,621	(11,231)
Income (loss) before income taxes	97,683	(61,106)
Income tax (expense) benefit	(2,470)	16,373
Net income (loss)	95,213	(44,733)
Less: Net income (loss) attributable to noncontrolling interest	52,888	(32,219)
Net income (loss) attributable to Earthstone Energy, Inc.	$ 42,325	$ (12,514)
Net income (loss) per common share attributable to Earthstone Energy, Inc.:
Basic (in dollars per share)	$ 1.50	$ (0.53)
Diluted (in dollars per share)	$ 1.50	$ (0.53)
Weighted average common shares outstanding:
Basic (in shares)	28,153,885	23,589,973
Diluted (in shares)	28,217,774	23,589,973
Oil Revenue
REVENUES
Revenues	$ 140,775	$ 88,536
Natural Gas (MMcf)
REVENUES
Revenues	7,396	8,777
NGLs (MBbl)
REVENUES
Revenues	$ 17,185	$ 10,765