CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
REVENUES	$ 766,782	$ 641,884	$ 454,053
OPERATING EXPENSES:
Cost of revenues (exclusive of depreciation and amortization below)	407,683	313,155	217,310
Corporate technology and production systems	50,487	44,323	44,296
Selling, general and administrative	175,459	198,700	122,554
Depreciation and amortization	73,140	82,064	91,199
Impairments of long-lived assets	1,008	3,274	1,797
Total operating expenses	707,777	641,516	477,156
OPERATING (LOSS) INCOME	59,005	368	(23,103)
OTHER EXPENSE (INCOME):
Interest expense, net	29,547	30,857	32,947
Loss (gain) on interest rate swaps	(297)	31	9,451
Other income	(2,034)	(1,532)	(1,646)
Loss on extinguishment of debt	3,673	0	0
Total other expense, net	30,889	29,356	40,752
(LOSS) INCOME BEFORE INCOME TAXES	28,116	(28,988)	(63,855)
Income tax (benefit) provision	8,706	(10,461)	(11,562)
NET (LOSS) INCOME	19,410	(18,527)	(52,293)
Unrealized gain (loss) on hedged transactions, net of tax of $273, $95 and $0 respectively	0	(270)	638
Foreign currency translation adjustments, net of tax of $90, $53 and $(288), respectively	(5,005)	(694)	1,783
Total other comprehensive income (loss)	(5,005)	(964)	2,421
COMPREHENSIVE (LOSS) INCOME	$ 14,405	$ (19,491)	$ (49,872)
Net (loss) income per share attributable to stockholders
Basic (in USD per share)	$ 0.21	$ (0.21)	$ (0.59)
Diluted (in USD per share)	$ 0.20	$ (0.21)	$ (0.59)
Weighted average number of shares outstanding
Basic (in shares)	94,052,435	90,218,386	88,345,312
Diluted (in shares)	98,866,004	90,218,386	88,345,312