CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
REVENUES	$ 719,640	$ 766,782	$ 641,884
OPERATING EXPENSES:
Cost of revenues (exclusive of depreciation and amortization below)	384,653	407,683	313,155
Corporate technology and production systems	44,415	50,487	44,323
Selling, general and administrative	173,755	175,459	198,700
Depreciation and amortization	62,853	73,140	82,064
Impairments and disposals of long-lived assets	7,371	1,008	3,274
Total operating expenses	673,047	707,777	641,516
OPERATING INCOME	46,593	59,005	368
OTHER EXPENSE (INCOME):
Interest expense, net	36,233	29,547	30,857
(Gain) loss on interest rate swaps	0	(297)	31
Other income	(1,891)	(2,034)	(1,532)
Loss on extinguishment of debt	0	3,673	0
Total other expense, net	34,342	30,889	29,356
INCOME (LOSS) BEFORE INCOME TAXES	12,251	28,116	(28,988)
Income tax provision (benefit)	12,367	8,706	(10,461)
NET (LOSS) INCOME	(116)	19,410	(18,527)
Unrealized loss on hedged transactions, net of tax (benefit) expense of $(702), $0 and $95 respectively	(3,468)	0	(270)
Foreign currency translation adjustments, net of tax (benefit) expense of $(138), $(288) and $53, respectively	2,425	(5,005)	(694)
Total other comprehensive loss	(1,043)	(5,005)	(964)
COMPREHENSIVE (LOSS) INCOME	$ (1,159)	$ 14,405	$ (19,491)
Net (loss) income per share attributable to stockholders
Basic (in USD per share)	$ 0.00	$ 0.21	$ (0.21)
Diluted (in USD per share)	$ 0.00	$ 0.20	$ (0.21)
Weighted average number of shares outstanding
Basic (in shares)	91,587,311	94,052,435	90,218,386
Diluted (in shares)	91,587,311	98,866,004	90,218,386