UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenues	$ 155,325	$ 131,428
Cost of revenues (exclusive of depreciation and amortization shown below)	96,557	81,633
Selling, general and administrative expense	57,074	49,613
Fair value changes in business acquisition contingencies	106	(398)
Depreciation and amortization	11,653	10,555
Loss from operations	(10,065)	(9,975)
Other expense
Other income (expense), net	507	(1,836)
Interest expense, net	(3,306)	(1,541)
Total other income (expense), net	(2,799)	(3,377)
Loss before expense from income taxes	(12,864)	(13,352)
Income tax expense	493	1,367
Net loss	(13,357)	(14,719)
Equity adjustment from foreign currency translation	(35)	12
Comprehensive loss	(13,392)	(14,707)
Convertible and redeemable series A-2 preferred stock dividend	(2,814)	(4,100)
Net loss attributable to common stockholders	$ (16,171)	$ (18,819)
Weighted average common shares outstanding - basic	30,381	29,857
Weighted average common shares outstanding - diluted	30,381	29,857
Net loss per share attributable to common stockholders - basic	$ (0.53)	$ (0.63)
Net loss per share attributable to common stockholders - diluted	$ (0.53)	$ (0.63)