CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
REVENUE - Service revenue	$ 1,630,399	$ 1,279,701	$ 874,514
COSTS AND EXPENSES:
Cost of services (exclusive of depreciation and amortization)	1,131,801	882,820	662,266
General and administrative expenses (inclusive of stock‑based compensation)	114,354	111,760	82,921
Depreciation and amortization	180,886	128,108	133,377
Impairment expense	0	57,454	0
Loss on disposal of assets	73,015	102,150	64,646
Total costs and expenses	1,500,056	1,282,292	943,210
OPERATING INCOME (LOSS)	130,343	(2,591)	(68,696)
OTHER (EXPENSE) INCOME:
Interest expense	(5,308)	(1,605)	(614)
Other (expense) income	(9,533)	11,582	873
Total other (expense) income	(14,841)	9,977	259
INCOME (LOSS) BEFORE INCOME TAXES	115,502	7,386	(68,437)
INCOME TAX (EXPENSE) BENEFIT	(29,868)	(5,356)	14,252
NET INCOME (LOSS)	$ 85,634	$ 2,030	$ (54,185)
NET INCOME (LOSS) PER COMMON SHARE:
Basic (in dollars per share)	$ 0.76	$ 0.02	$ (0.53)
Diluted (in dollars per share)	$ 0.76	$ 0.02	$ (0.53)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING:
Basic (in shares)	113,004	105,868	102,655
Diluted (in shares)	113,416	106,939	102,655
Revenue, Product and Service [Extensible Enumeration]	Service [Member]	Service [Member]	Service [Member]