Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash	$ 13,429	$ 22,955
Accounts receivable:
Oil, natural gas, and natural gas liquids revenues	14,600	14,978
Joint interest billings and other, net of allowance of $111 and $138 at September 30, 2018 and December 31, 2017, respectively	6,047	7,778
Derivative asset	0	184
Prepaid expenses and other current assets	1,440	1,178
Total current assets	35,516	47,073
Oil and gas properties, successful efforts method:
Proved properties	684,862	605,039
Unproved properties	268,426	275,025
Land	5,382	5,534
Total oil and gas properties	958,670	885,598
Accumulated depreciation, depletion and amortization	(115,382)	(118,028)
Net oil and gas properties	843,288	767,570
Other noncurrent assets:
Goodwill	17,620	17,620
Office and other equipment, net of accumulated depreciation of $2,378 and $2,093 at September 30, 2018 and December 31, 2017, respectively	725	947
Other noncurrent assets	1,252	1,207
TOTAL ASSETS	898,401	834,417
Current liabilities:
Accounts payable	22,234	33,472
Revenues and royalties payable	32,459	10,288
Accrued expenses	14,274	8,707
Advances	2,771	4,587
Derivative liability	23,391	11,805
Total current liabilities	95,129	68,859
Noncurrent liabilities:
Long-term debt	35,000	25,000
Deferred tax liability	10,634	10,515
Asset retirement obligation	1,635	2,354
Derivative liability	10,019	1,826
Other noncurrent liabilities	1,891	131
Total noncurrent liabilities	59,179	39,826
Commitments and Contingencies (Note 13)
Equity:
Preferred stock, $0.001 par value, 20,000,000 shares authorized; none issued or outstanding	0	0
Additional paid-in capital	512,960	503,932
Accumulated deficit	(218,627)	(224,822)
Total Earthstone Energy, Inc. equity	294,397	279,174
Noncontrolling interest	449,696	446,558
Total equity	744,093	725,732
TOTAL LIABILITIES AND EQUITY	898,401	834,417
Class A Common Stock
Equity:
Common stock	28	28
Class B Common Stock
Equity:
Common stock	$ 36	$ 36