CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenue, Product and Service [Extensible List]			Service [Member]	Service [Member]
REVENUE - Service revenue	$ 435,249	$ 315,083	$ 858,819	$ 597,763
COSTS AND EXPENSES
Cost of services (exclusive of depreciation and amortization)	297,791	218,813	578,277	416,083
General and administrative expenses (inclusive of stock-based compensation)	29,021	25,135	57,767	56,842
Depreciation and amortization	52,889	40,969	103,687	78,973
Impairment expense	0	57,454	0	57,454
Loss on disposal of assets	3,065	12,978	25,145	22,947
Total costs and expenses	382,766	355,349	764,876	632,299
OPERATING INCOME (LOSS)	52,483	(40,266)	93,943	(34,536)
OTHER (EXPENSE) INCOME:
Interest expense	(1,180)	(669)	(1,847)	(803)
Other income (expense)	72	6	(3,632)	10,364
Total other (expense) income	(1,108)	(663)	(5,479)	9,561
INCOME (LOSS) BEFORE INCOME TAXES	51,375	(40,929)	88,464	(24,975)
INCOME TAX (EXPENSE) BENEFIT	(12,118)	8,069	(20,474)	3,932
NET INCOME (LOSS)	$ 39,257	$ (32,860)	$ 67,990	$ (21,043)
NET INCOME (LOSS) PER COMMON SHARE:
Basic (in dollars per share)	$ 0.34	$ (0.32)	$ 0.59	$ (0.20)
Diluted (in dollars per share)	$ 0.34	$ (0.32)	$ 0.59	$ (0.20)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	114,737	104,236	114,809	103,961
Diluted (in shares)	114,796	104,236	115,102	103,961