CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 64,979	$ 34,233
Accounts receivable
Trade, net	135,415	106,220
Joint interest, net	42,020	50,471
Other	13,371	18,448
Assets from price risk management activities	1,720	6,876
Prepaid assets	32,733	29,285
Other current assets	1,761	1,859
Total current assets	291,999	247,392
Property and equipment:
Proved properties	4,996,802	4,945,550
Unproved properties, not subject to amortization	266,321	254,994
Other property and equipment	33,086	32,853
Total property and equipment	5,296,209	5,233,397
Accumulated depreciation, depletion and amortization	(2,798,885)	(2,697,228)
Total property and equipment, net	2,497,324	2,536,169
Other long-term assets:
Assets from price risk management activities	2,123	945
Other well equipment inventory	20,069	18,927
Operating lease assets	6,722	6,855
Other assets	21,457	24,258
Total assets	2,839,694	2,834,546
Current liabilities:
Accounts payable	72,770	104,864
Accrued liabilities	140,552	163,379
Accrued royalties	42,741	27,903
Current portion of asset retirement obligations	45,478	49,921
Liabilities from price risk management activities	133,167	66,010
Accrued interest payable	20,410	9,509
Current portion of operating lease liabilities	1,927	1,793
Other current liabilities	25,192	24,155
Total current liabilities	482,237	447,534
Long-term liabilities:
Long-term debt, net of discount and deferred financing costs	1,049,365	985,512
Asset retirement obligations	406,690	392,348
Liabilities from price risk management activities	27,617	9,625
Operating lease liabilities	18,015	18,554
Other long-term liabilities	48,616	54,372
Total liabilities	2,032,540	1,907,945
Commitments and contingencies (Note 11)
Stockholdersʼ Equity:
Preferred stock, $0.01 par value; 30,000,000 shares authorized and no shares issued or outstanding as of March 31, 2021 and December 31, 2020
Common stock $0.01 par value; 270,000,000 shares authorized; 81,707,214 and 81,279,989 shares issued and outstanding as of March 31, 2021 and December 31, 2020, respectively	817	813
Additional paid-in capital	1,661,840	1,659,800
Accumulated deficit	(855,503)	(734,012)
Total stockholdersʼ equity	807,154	926,601
Total liabilities and stockholdersʼ equity	$ 2,839,694	$ 2,834,546