CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
REVENUES	$ 544,416	$ 546,413	$ 328,243
COST OF REVENUES (exclusive of depreciation and amortization shown below)	351,882	369,028	215,492
SELLING, GENERAL AND ADMINISTRATIVE EXPENSE	176,295	117,658	85,546
FAIR VALUE CHANGES IN BUSINESS ACQUISITION CONTINGENCIES	(3,227)	24,372	12,942
DEPRECIATION AND AMORTIZATION	47,479	44,810	37,274
LOSS FROM OPERATIONS	(28,013)	(9,455)	(23,011)
OTHER INCOME (EXPENSE):
Other income (expense)	3,683	(2,546)	(20,268)
Interest expense—net	(5,239)	(11,615)	(13,819)
Total other expenses-net	(1,556)	(14,161)	(34,087)
LOSS BEFORE EXPENSE FROM INCOME TAXES	(29,569)	(23,616)	(57,098)
INCOME TAX EXPENSE	2,250	1,709	851
NET LOSS	(31,819)	(25,325)	(57,949)
EQUITY ADJUSTMENT FROM FOREIGN CURRENCY TRANSLATION	(28)	(35)	111
COMPREHENSIVE LOSS	(31,847)	(25,360)	(57,838)
ACCRETION OF REDEEMABLE SERIES A- 1 PREFERRED STOCK			(17,601)
REDEEMABLE SERIES A-1 PREFERRED STOCK DEEMED DIVIDEND			(24,341)
CONVERTIBLE AND REDEEMABLE SERIES A-2 PREFERRED STOCK DIVIDEND	(16,400)	(16,400)	(6,970)
NET LOSS ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (48,219)	$ (41,725)	$ (106,861)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - BASIC	29,688	26,724	16,479
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING - DILUTED	29,688	26,724	16,479
NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS - BASIC	$ (1.62)	$ (1.56)	$ (6.48)
NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS - DILUTED	$ (1.62)	$ (1.56)	$ (6.48)