Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 69,325	$ 26,854
Restricted cash	951	1,001
Accounts receivable, net	66,386	87,842
Other receivables	1,171	6,331
Related party receivables, net	0	3,341
Prepaid expenses and other	9,784	1,125
Derivatives	0	16,423
Total current assets	147,617	142,917
Property and equipment, net
Oil and gas properties, successful efforts method	365,343	763,337
Other property and equipment	166,575	444,269
Total property and equipment, net	531,918	1,207,606
Other assets
Operating lease right-of-use assets, net	7,402
Equity method investment	1,813	1,100
Deferred financing costs, net	1,720	3,195
Deposits and other long-term assets	6,597	65
Derivatives	0	2,947
Total other assets	17,532	7,307
Total assets	697,067	1,357,830
Current liabilities
Current portion of debt	564,004	690,123
Accounts payable and accrued liabilities	61,001	247,439
Advances from non-operators	619	5,193
Advances from related party		9,839
Asset retirement obligations, current portion	74	2,079
Current operating lease liability	736
Derivatives	0	1,710
Total current liabilities	629,045	956,383
Long-term liabilities
Asset retirement obligations, net of current portion	12,868	9,473
Long-term debt, net	0	174,000
Operating lease liabilities, net of current portion	10,781
Derivatives	0	180
Other long-term liabilities	6,662	1,667
Total long-term liabilities	30,311	185,320
Liabilities subject to compromise	533,181	0
Total liabilities	1,192,537	1,141,703
Additional paid in capital	1,511,330	1,503,382
Accumulated deficit	(1,881,162)	(1,532,813)
Total stockholders’ equity	(369,794)	(29,393)
Noncontrolling interests	(125,676)	245,520
Total equity	(495,470)	216,127
Total liabilities and stockholders’ equity	697,067	1,357,830
Preferred Class A
Long-term liabilities
Preferred Stock, $0.0001 par value	0	0
Preferred Class B
Long-term liabilities
Preferred Stock, $0.0001 par value	0	0
Common Class A
Long-term liabilities
Common stock, $0.0001 par value	18	18
Common Class C
Long-term liabilities
Common stock, $0.0001 par value	$ 20	$ 20