UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 6,387
Accounts receivable, net (see Note 12)	47,864	$ 80,455
Prepaid expenses and other current assets	24,003	18,789
Total current assets	78,254	99,244
Property and equipment, at cost:
Oil and natural gas properties, successful efforts method	866,051	840,310
Support equipment and facilities	149,227	147,496
Other	10,149	9,648
Accumulated depreciation, depletion and amortization	(678,531)	(658,162)
Property and equipment, net	346,896	339,292
Restricted investments	17,725	11,326
Operating lease - long term right-of-use asset	6,025	7,376
Deferred tax asset	264,130	0
Other long-term assets	4,075	2,240
Total assets	717,105	459,478
Current liabilities:
Accounts payable	18,708	38,414
Revenues payable	21,199	22,105
Accrued liabilities (see Note 12)	55,354	58,449
Short-term derivative instruments	12,996	20,884
Total current liabilities	108,257	139,852
Long-term debt (see Note 7)	120,000	190,000
Asset retirement obligations	119,856	114,614
Long-term derivative instruments	7,834
Operating lease liability	5,414	6,567
Other long-term liabilities	9,707	13,010
Total liabilities	371,068	464,043
Commitments and contingencies (see Note 14)
Stockholders' equity (deficit):
Preferred stock, $0.01 par value: 50,000,000 shares authorized; no shares issued and outstanding at September 30, 2023 and December 31, 2022
Common stock, $0.01 par value: 250,000,000 shares authorized; 39,062,856 and 38,459,731 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively	392	386
Additional paid-in capital	433,675	432,251
Accumulated deficit	(88,030)	(437,202)
Total stockholders' equity (deficit)	346,037	(4,565)
Total liabilities and equity	$ 717,105	$ 459,478