Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS
Cash and cash equivalents	$ 148,533	$ 182,633
Accounts receivable	61,243	105,775
Drilling advances	473	299
Other current assets	4,613	4,511
Total current assets	214,862	293,218
PROPERTY, PLANT AND EQUIPMENT
Oil and natural gas properties	2,105,774	3,815,221
Other	4,063	3,087
Accumulated depreciation, depletion and amortization	(939,888)	(701,551)
Total property, plant and equipment, net	1,169,949	3,116,757
OTHER ASSETS
Deferred financing costs, net	6,632	8,390
Equity method investment	21,789	19,730
Intangible assets, net	12,973	23,851
Other long-term assets	8,074	4,460
TOTAL ASSETS	1,434,279	3,466,406
CURRENT LIABILITIES
Accounts payable	63,475	79,428
Other current liabilities (Note 8)	60,987	95,780
Total current liabilities	124,462	175,208
LONG-TERM LIABILITIES
Long-term debt, net	390,787	389,835
Asset retirement obligations, net of current	100,800	93,524
Deferred taxes, net	0	77,834
Other long-term liabilities	6,049	1,476
Total long-term liabilities	497,636	562,669
COMMITMENTS AND CONTINGENCIES (Note 10)
Additional paid-in capital	1,709,043	1,703,362
Treasury Stock, at cost, 3,100 shares and 1,000 shares in 2020 and 2019, respectively	(23,240)	(10,277)
Retained earnings (Accumulated deficit)	(1,153,195)	82,940
Noncontrolling interest	279,547	952,478
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	1,434,279	3,466,406
Class A Common Stock
Common stock	17	17
Class B Common Stock
Common stock	$ 9	$ 9