Consolidated Balance Sheets - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 26,854,000
Restricted cash	1,001,000
Accounts receivable, net	87,842,000
Other receivables	6,331,000
Related party receivables	3,341,000
Prepaid expenses and other	1,125,000
Derivatives	16,423,000
Current assets — discontinued operations	0
Total current assets	142,917,000
Property, plant and equipment
Oil and gas properties, successful efforts method, net	763,337,000
Other property, plant and equipment	444,269,000
Total property, plant and equipment, net	1,207,606,000
Other assets
Equity method investment	1,100,000
Deferred financing costs	3,195,000
Notes receivable from related party	0
Intangible assets, net	0
Goodwill	0	$ 0
Deposits and other long-term assets	65,000
Derivatives	2,947,000
Noncurrent assets — discontinued operations	0
Total other assets	7,307,000
Total assets	1,357,830,000
Current liabilities
Current portion of debt	690,123,000
Accounts payable and accrued liabilities	247,439,000
Accounts payable to affiliate	0
Advances from non-operators	5,193,000
Advances from related party	9,839,000
Asset retirement obligations, current potion	2,079,000
Derivatives	1,710,000
Current liabilities — discontinued operations	0
Total current liabilities	956,383,000
Long-term liabilities
Asset retirement obligations, net of current portion	9,473,000
Long-term debt	174,000,000
Derivatives	180,000
Other long-term liabilities	1,667,000
Noncurrent liabilities — discontinued operations	0
Total long-term liabilities	185,320,000
Total liabilities	1,141,703,000
Commitments and contingencies (Note 18)
Partners’ capital	0
Stockholders’ equity
Additional paid in capital	1,503,382,000
Accumulated deficit	(1,532,813,000)
Total stockholders’ equity/partners’ capital	(29,393,000)
Noncontrolling interest	245,520,000
Total equity	216,127,000
Total liabilities, partners’ capital and stockholders’ equity	1,357,830,000
Preferred Class A
Long-term liabilities
Preferred stock, $0.0001 par value	0
Preferred Class B
Long-term liabilities
Preferred stock, $0.0001 par value	0
Common Class A
Stockholders’ equity
Common stock	18,000
Common Class C
Stockholders’ equity
Common stock	$ 20,000
Predecessor
Current assets
Cash and cash equivalents		3,660,000
Restricted cash		1,269,000
Accounts receivable, net		76,161,000
Other receivables		1,388,000
Related party receivables		790,000
Prepaid expenses and other		2,932,000
Derivatives		216,000
Current assets — discontinued operations		5,195,000
Total current assets		91,611,000
Property, plant and equipment
Oil and gas properties, successful efforts method, net		894,630,000
Other property, plant and equipment		32,140,000
Total property, plant and equipment, net		926,770,000
Other assets
Equity method investment		0
Deferred financing costs		1,787,000
Notes receivable from related party		12,369,000
Intangible assets, net		0
Goodwill		0
Deposits and other long-term assets		9,067,000
Derivatives		8,000
Noncurrent assets — discontinued operations		43,785,000
Total other assets		67,016,000
Total assets		1,085,397,000
Current liabilities
Current portion of debt		0
Accounts payable and accrued liabilities		170,489,000
Accounts payable to affiliate		5,476,000
Advances from non-operators		5,502,000
Advances from related party		23,390,000
Asset retirement obligations, current potion		69,000
Derivatives		19,303,000
Current liabilities — discontinued operations		15,419,000
Total current liabilities		239,648,000
Long-term liabilities
Asset retirement obligations, net of current portion		10,400,000
Long-term debt		607,440,000
Derivatives		1,114,000
Other long-term liabilities		5,488,000
Noncurrent liabilities — discontinued operations		66,862,000
Total long-term liabilities		691,304,000
Total liabilities		930,952,000
Partners’ capital		154,445,000
Stockholders’ equity
Additional paid in capital		0
Accumulated deficit		0
Total stockholders’ equity/partners’ capital		154,445,000
Noncontrolling interest		0
Total equity		154,445,000
Total liabilities, partners’ capital and stockholders’ equity		1,085,397,000
Predecessor | Preferred Class A
Long-term liabilities
Preferred stock, $0.0001 par value		0
Predecessor | Preferred Class B
Long-term liabilities
Preferred stock, $0.0001 par value		0
Predecessor | Common Class A
Stockholders’ equity
Common stock		0
Predecessor | Common Class C
Stockholders’ equity
Common stock		$ 0