Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenues	$ 219,853	$ 151,797	$ 590,435	$ 435,218
Cost of revenues	187,884	132,273	507,078	376,370
Selling, general and administrative expenses	24,207	23,864	72,970	67,755
Other operating (income) loss, net	(345)	1,723	(375)	(141)
Impairments and other charges	29,417	0	37,322	0
Operating loss	(21,310)	(6,063)	(26,560)	(8,766)
Foreign currency exchange (gain) loss	(1,424)	25	(1,943)	(83)
Interest expense, net	1,875	2,176	4,719	6,748
Loss on extinguishment of debt	0	210	0	1,000
Loss before income taxes	(21,761)	(8,474)	(29,336)	(16,431)
Provision for income taxes	2,834	2,011	490	5,414
Net loss	$ (24,595)	$ (10,485)	$ (29,826)	$ (21,845)
Net loss per common share - basic (in dollars per share)	$ (0.26)	$ (0.11)	$ (0.32)	$ (0.24)
Net loss per common share - diluted (in dollars per share)	$ (0.26)	$ (0.11)	$ (0.32)	$ (0.24)