CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 42,735	$ 117,524
Accounts receivable, net of allowance for credit losses of $2,873 and $8,493 at September 30, 2022 and December 31, 2021, respectively	546,436	356,083
Federal and state income taxes receivable	275	67
Inventory	55,216	42,359
Other	68,287	67,620
Total current assets	712,949	583,653
Property and equipment, net	2,278,639	2,331,755
Right of use asset	21,893	19,024
Intangible assets, net	6,112	7,537
Deposits on equipment purchases	8,405	849
Other	10,434	11,055
Deferred tax assets, net	3,567	3,975
Total assets	3,041,999	2,957,848
Current liabilities:
Accounts payable	263,761	190,219
Federal and state income taxes payable	2,568	232
Accrued liabilities	188,246	238,511
Lease liability	5,421	6,891
Total current liabilities	459,996	435,853
Long-term lease liability	20,591	18,108
Long-term debt, net of debt discount and issuance costs of $5,806 and $6,432 at September 30, 2022 and December 31, 2021, respectively	852,949	852,323
Deferred tax liabilities, net	23,027	29,234
Other	51,051	12,843
Total liabilities	1,407,614	1,348,361
Commitments and contingencies (see Note 9)
Stockholders' equity:
Preferred stock, par value $0.01; authorized 1,000,000 shares, no shares issued	0	0
Common stock, par value $0.01; authorized 400,000,000 shares with 302,325,853 and 299,268,967 issued and 216,821,730 and 215,139,972 outstanding at September 30, 2022 and December 31, 2021, respectively	3,023	2,993
Additional paid-in capital	3,197,334	3,171,536
Retained deficit	(170,066)	(198,316)
Accumulated other comprehensive income	0	5,915
Treasury stock, at cost, 85,504,123 and 84,128,995 shares at September 30, 2022 and December 31, 2021, respectively	(1,395,906)	(1,372,641)
Total stockholders' equity	1,634,385	1,609,487
Total liabilities and stockholders' equity	$ 3,041,999	$ 2,957,848