Condensed Consolidated Balance Sheets - Unaudited - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash	$ 45,942	$ 96,505
Restricted cash	7,066	5,977
Accounts receivable
Oil and natural gas revenues	81,422	65,962
Joint interest billings	55,390	67,225
Other	10,060	8,031
Derivative instruments	4	1,190
Lease and well equipment inventory	18,758	5,993
Prepaid expenses and other assets	6,790	6,287
Total current assets	225,432	257,170
Oil and natural gas properties, full-cost method
Evaluated	3,506,479	3,004,770
Unproved and unevaluated	1,241,529	637,396
Midstream and other property and equipment	408,436	281,096
Less accumulated depletion, depreciation and amortization	(2,234,470)	(2,041,806)
Net property and equipment	2,921,974	1,881,456
Other assets	6,796	7,064
Total assets	3,154,202	2,145,690
Current liabilities
Accounts payable	32,491	11,757
Accrued liabilities	178,830	174,348
Royalties payable	67,023	61,358
Amounts due to affiliates	12,998	10,302
Derivative instruments	19,740	16,429
Advances from joint interest owners	12,354	2,789
Amounts due to joint ventures	2,373	4,873
Other current liabilities	942	750
Total current liabilities	326,751	282,606
Long-term liabilities
Borrowings under Credit Agreement	325,000	0
Senior unsecured notes payable	740,063	574,073
Asset retirement obligations	28,706	25,080
Amounts due to joint ventures	4,996	0
Other long-term liabilities	6,243	6,385
Total long-term liabilities	1,105,008	605,538
Commitments and contingencies
Shareholders’ equity
Common stock - $0.01 par value, 160,000,000 shares authorized; 116,506,743 and 108,513,597 shares issued; and 116,348,548 and 108,510,160 shares outstanding, respectively	1,165	1,085
Additional paid-in capital	1,923,030	1,666,024
Accumulated deficit	(372,990)	(510,484)
Treasury stock, at cost, 158,195 and 3,437 shares, respectively	(4,039)	(69)
Total Matador Resources Company shareholders’ equity	1,547,166	1,156,556
Non-controlling interest in subsidiaries	175,277	100,990
Total shareholders’ equity	1,722,443	1,257,546
Total liabilities and shareholders’ equity	$ 3,154,202	$ 2,145,690