Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 146,492	$ 182,633
Accounts receivable	77,744	105,775
Drilling advances	863	299
Other current assets	4,146	4,511
Total current assets	229,245	293,218
PROPERTY, PLANT AND EQUIPMENT
Oil and natural gas properties	2,050,470	3,815,221
Other	3,391	3,087
Accumulated depreciation, depletion and amortization	(844,255)	(701,551)
Total property, plant and equipment, net	1,209,606	3,116,757
OTHER ASSETS
Deferred financing costs, net	7,806	8,390
Equity method investment	20,171	19,730
Intangible assets, net	20,225	23,851
Other long-term assets	3,776	4,460
TOTAL ASSETS	1,490,829	3,466,406
CURRENT LIABILITIES
Accounts payable	86,154	79,428
Other current liabilities (Note 7)	84,546	95,780
Total current liabilities	170,700	175,208
LONG-TERM LIABILITIES
Long-term debt, net	390,147	389,835
Asset retirement obligations, net of current	97,008	93,524
Deferred taxes, net	3,181	77,834
Other long-term liabilities	903	1,476
Total long-term liabilities	491,239	562,669
COMMITMENTS AND CONTINGENCIES (Note 9)
Additional paid-in capital	1,703,996	1,703,362
Treasury Stock, at cost, 2,000 shares and 1,000 shares in 2020 and 2019, respectively	(16,760)	(10,277)
Retained earnings (Accumulated deficit)	(1,144,070)	82,940
Noncontrolling interest	285,698	952,478
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	1,490,829	3,466,406
Class A Common Stock
Common stock	17	17
Class B Common Stock
Common stock	$ 9	$ 9