UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - 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	$ 199,299	$ 169,557	$ 596,862	$ 468,255
OPERATING EXPENSES:
Cost of revenues (exclusive of depreciation and amortization below)	106,422	82,638	314,954	225,798
Corporate technology and production systems	13,715	12,084	38,806	32,435
Selling, general and administrative	42,411	84,983	126,630	153,194
Depreciation and amortization	16,570	20,346	56,598	61,193
Impairments of long-lived assets	193	15	805	2,940
Total operating expenses	179,311	200,066	537,793	475,560
OPERATING (LOSS) INCOME	19,988	(30,509)	59,069	(7,305)
OTHER EXPENSE (INCOME):
Interest expense, net	7,764	7,668	20,719	22,841
Loss (gain) on interest rate swaps	0	112	(296)	199
Other income	(560)	(400)	(1,422)	(1,034)
Total other expense, net	7,204	7,380	19,001	22,006
(LOSS) INCOME BEFORE INCOME TAXES	12,784	(37,889)	40,068	(29,311)
Income tax (benefit) provision	3,481	(12,633)	12,958	(8,080)
NET (LOSS) INCOME	9,303	(25,256)	27,110	(21,231)
Unrealized loss on hedged transactions, net of tax	0	(1)	0	(323)
Foreign currency translation adjustments, net of tax	(4,790)	(1,565)	(7,990)	(971)
Total other comprehensive (loss) income	(4,790)	(1,566)	(7,990)	(1,294)
COMPREHENSIVE (LOSS) INCOME	$ 4,513	$ (26,822)	$ 19,120	$ (22,525)
Net (loss) income per share attributable to stockholders
Basic (in USD per share)	$ 0.10	$ (0.28)	$ 0.29	$ (0.24)
Diluted (in USD per share)	$ 0.09	$ (0.28)	$ 0.27	$ (0.24)
Weighted average number of shares outstanding
Basic (in shares)	94,134,690	89,431,022	94,043,105	88,956,388
Diluted (in shares)	99,118,521	89,431,022	99,217,125	88,956,388