CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
CONSOLIDATED STATEMENTS OF OPERATIONS
Revenues	$ 459,601	$ 225,310	$ 1,119,732	$ 596,677
Cost of revenues	309,790	170,621	779,544	462,633
Selling, general and administrative expenses	38,243	31,446	110,362	91,444
Depreciation and amortization	20,941	18,106	60,501	53,775
Gain on disposition of assets, net	(1,543)	(2,837)	(6,295)	(7,408)
Operating income (loss)	92,170	7,974	175,620	(3,767)
Interest expense	(143)	(1,280)	(543)	(1,763)
Interest income	329	15	472	47
Other (expense) income, net	(67)	448	516	1,571
Income (loss) before income taxes	92,289	7,157	176,065	(3,912)
Income tax provision	22,949	1,891	44,707	1,210
Net income (loss)	$ 69,340	$ 5,266	$ 131,358	$ (5,122)
Earnings (loss) per share
Basic (in dollars per share)	$ 0.32	$ 0.02	$ 0.61	$ (0.02)
Diluted (in dollars per share)	0.32	$ 0.02	0.61	$ (0.02)
Dividends paid per share (in dollars per share)	$ 0.02		$ 0.02