CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenues	$ 228,618	$ 239,492	$ 428,218	$ 441,769
Operating expenses	165,064	178,576	315,933	333,851
Gross margin	63,554	60,916	112,285	107,918
Selling, general and administrative expenses	52,395	56,320	107,512	111,068
Operating income (loss)	11,159	4,596	4,773	(3,150)
Interest expense, net	(11,909)	(16,691)	(24,007)	(33,432)
Loss on debt extinguishment	0	(1,582)	0	(1,582)
Other (expense) income, net	(541)	13	821	648
Loss before income taxes	(1,291)	(13,664)	(18,413)	(37,516)
Provision for income taxes	(1,472)	(2,089)	(1,545)	(2,948)
Net loss	$ (2,763)	$ (15,753)	$ (19,958)	$ (40,464)
Loss per common share:
Basic (in dollars per share)	$ (0.63)	$ (3.61)	$ (4.52)	$ (9.30)
Diluted (in dollars per share)	$ (0.63)	$ (3.61)	$ (4.52)	$ (9.30)
Weighted-average number of shares outstanding:
Basic (in shares)	4,416	4,362	4,415	4,353
Diluted (in shares)	4,416	4,362	4,415	4,353