CONSOLIDATED BALANCE SHEETS (in thousands, except share data) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 332,716	$ 10
Accounts receivable	247,201	162,455
Derivative assets	24,095	31,203
Prepaid expenses and other	9,175	10,001
Total current assets	613,187	203,669
Property and equipment (successful efforts method):
Proved oil and gas properties	9,397,407	8,608,522
Accumulated depletion, depreciation, and amortization	(5,634,961)	(4,886,973)
Unproved oil and gas properties	629,098	714,602
Wells in progress	148,394	233,498
Other property and equipment, net of accumulated depreciation of $62,359 and $63,662, respectively	36,060	32,217
Total property and equipment, net	4,575,998	4,701,866
Noncurrent assets:
Derivative assets	239	23,150
Other noncurrent assets	44,553	47,746
Total noncurrent assets	44,792	70,896
Total assets	5,233,977	4,976,431
Other property and equipment, accumulated depreciation	62,359	63,662
Current liabilities:
Accounts payable and accrued expenses	563,306	371,670
Derivative liabilities	319,506	200,189
Other current liabilities	6,515	11,880
Total current liabilities	889,327	583,739
Noncurrent liabilities:
Revolving credit facility	0	93,000
Senior Notes, net	2,081,164	2,121,319
Deferred income taxes	9,769	0
Asset retirement obligations	97,324	83,325
Derivative liabilities	25,696	22,331
Other noncurrent liabilities	67,566	56,557
Total noncurrent liabilities	2,281,519	2,376,532
Commitments and contingencies (note 6)
Stockholders’ equity:
Common stock, $0.01 par value - authorized: 200,000,000 shares; issued and outstanding: 121,862,248 and 114,742,304 shares, respectively	1,219	1,147
Additional paid-in capital	1,840,228	1,827,914
Retained earnings	234,533	200,697
Accumulated other comprehensive loss	(12,849)	(13,598)
Total stockholders’ equity	2,063,131	2,016,160
Total liabilities and stockholders’ equity	$ 5,233,977	$ 4,976,431
Common Stock, par value per share	$ 0.01	$ 0.01
Common Stock, shares authorized	200,000,000	200,000,000
Common Stock, shares issued	121,862,248	114,742,304
Common Stock, shares outstanding	121,862,248	114,742,304