Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 179,009	$ 183,256	$ 348,116	$ 383,286
Cost of revenues	140,084	150,170	274,671	314,908
Selling, general and administrative expenses	26,381	25,576	50,725	50,986
Other operating (income) loss, net	(755)	(1,184)	(2,438)	(1,445)
Impairments and other charges	0	2,816	0	2,816
Operating income	13,299	5,878	25,158	16,021
Foreign currency exchange (gain) loss	128	(102)	97	217
Interest expense, net	1,796	2,146	3,546	4,235
Income before income taxes	11,375	3,834	21,515	11,569
Provision for income taxes	3,335	2,132	6,182	4,247
Net income	$ 8,040	$ 1,702	$ 15,333	$ 7,322
Net income per common share - basic (in dollars per share)	$ 0.09	$ 0.02	$ 0.18	$ 0.08
Net income per common share - diluted (in dollars per share)	$ 0.09	$ 0.02	$ 0.18	$ 0.08