Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash	$ 5,311	$ 13,822
Accounts receivable:
Oil, natural gas, and natural gas liquids revenues	12,097	29,047
Joint interest billings and other, net of allowance of $80 and $83 at September 30, 2020 and December 31, 2019, respectively	11,548	6,672
Derivative asset	25,097	8,860
Prepaid expenses and other current assets	1,560	1,867
Total current assets	55,613	60,268
Oil and gas properties, successful efforts method:
Proved properties	995,666	970,808
Unproved properties	236,482	260,271
Land	5,382	5,382
Total oil and gas properties	1,237,530	1,236,461
Accumulated depreciation, depletion and amortization	(271,012)	(195,567)
Net oil and gas properties	966,518	1,040,894
Other noncurrent assets:
Goodwill	0	17,620
Office and other equipment, net of accumulated depreciation and amortization of $3,558 and $3,180 at September 30, 2020 and December 31, 2019, respectively	1,044	1,311
Derivative asset	4,727	770
Operating lease right-of-use assets	2,769	3,108
Other noncurrent assets	1,331	1,572
TOTAL ASSETS	1,032,002	1,125,543
Current liabilities:
Accounts payable	6,910	25,284
Revenues and royalties payable	28,047	35,815
Accrued expenses	12,844	19,538
Asset retirement obligation	308	308
Derivative liability	1,040	6,889
Advances	93	11,505
Operating lease liabilities	768	570
Finance lease liabilities	96	206
Other current liabilities	11	43
Total current liabilities	50,117	100,158
Noncurrent liabilities:
Long-term debt	130,000	170,000
Deferred tax liability	15,294	15,154
Asset retirement obligation	2,027	1,856
Derivative liability	577	0
Operating lease liabilities	2,001	2,539
Finance lease liabilities	15	85
Other noncurrent liabilities	138	0
Total noncurrent liabilities	150,052	189,634
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	537,990	527,246
Accumulated deficit	(186,787)	(181,711)
Total Earthstone Energy, Inc. equity	351,268	345,599
Noncontrolling interest	480,565	490,152
Total equity	831,833	835,751
TOTAL LIABILITIES AND EQUITY	1,032,002	1,125,543
Common Class A [Member]
Equity:
Class A Common Stock, $0.001 par value, 200,000,000 shares authorized; 30,210,749 and 29,421,131 issued and outstanding at September 30, 2020 and December 31, 2019, respectively	30	29
Common Class B [Member]
Equity:
Class A Common Stock, $0.001 par value, 200,000,000 shares authorized; 30,210,749 and 29,421,131 issued and outstanding at September 30, 2020 and December 31, 2019, respectively	$ 35	$ 35