Consolidated balance sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 56,798	$ 48,757
Accounts receivable, net	151,807	63,976
Derivatives	4,346	7,893
Other current assets	22,906	15,964
Total current assets	235,857	136,590
Oil and natural gas properties, full cost method:
Evaluated properties	8,968,668	7,874,932
Unevaluated properties not being depleted	170,033	70,020
Less: accumulated depletion and impairment	(7,019,670)	(6,817,949)
Oil and natural gas properties, net	2,119,031	1,127,003
Midstream service assets, net	96,528	112,697
Other fixed assets, net	34,590	32,011
Property and equipment, net	2,250,149	1,271,711
Derivatives	32,963	0
Operating lease right-of-use assets	11,514	17,973
Other noncurrent assets, net	21,341	16,336
Total assets	2,551,824	1,442,610
Current liabilities:
Accounts payable and accrued liabilities	71,386	38,279
Accrued capital expenditures	50,585	28,275
Undistributed revenue and royalties	117,920	24,728
Derivatives	179,809	31,826
Operating lease liabilities	7,742	11,721
Other current liabilities	99,471	62,766
Total current liabilities	526,913	197,595
Long-term debt, net	1,425,858	1,179,266
Derivatives	0	12,051
Asset retirement obligations	69,057	64,775
Operating lease liabilities	5,726	8,918
Other noncurrent liabilities	10,490	1,448
Total liabilities	2,038,044	1,464,053
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 50,000,000 shares authorized and zero issued as of December 31, 2021 and 2020	0	0
Common stock, $0.01 par value, 22,500,000 shares authorized and 17,074,516 and 12,020,164 issued and outstanding as of December 31, 2021 and 2020, respectively	171	120
Additional paid-in capital	2,788,628	2,398,464
Accumulated deficit	(2,275,019)	(2,420,027)
Total stockholders' equity	513,780	(21,443)
Total liabilities and stockholders' equity	$ 2,551,824	$ 1,442,610