CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Revenue from Contract with Customer, Product and Service [Extensible List]	Service [Member]	Service [Member]	Service [Member]	Service [Member]
Revenue from services	$ 250,052	$ 315,119	$ 817,532	$ 1,034,064
Operating expenses:
Direct operating expenses	199,125	250,961	651,943	821,804
Selling, general and administrative expenses	46,894	54,297	149,430	177,804
Credit loss (credit) expense	(861)	1,512	(796)	21,660
Depreciation and amortization	4,088	4,498	12,961	13,859
Acquisition and integration-related costs	4,147	0	12,183	3
Restructuring costs	1,530	998	2,419	4,052
Legal and other losses	1,102	0	2,201	7,596
Impairment charges	0	0	0	718
Total operating expenses	256,025	312,266	830,341	1,047,496
(Loss) income from operations	(5,973)	2,853	(12,809)	(13,432)
Other expenses (income):
Interest expense	556	550	1,648	1,580
Interest income	(864)	(1,107)	(2,247)	(1,515)
Other (income) expense, net	(28)	21	55	(1,013)
(Loss) income before income taxes	(5,637)	3,389	(12,265)	(12,484)
Income tax (benefit) expense	(863)	834	(342)	(1,681)
Net (loss) income attributable to common stockholders	(4,774)	2,555	(11,923)	(10,803)
Other comprehensive (loss) income:
Unrealized foreign currency translation loss, net of tax	(85)	(8)	(85)	(12)
Comprehensive (loss) income	$ (4,859)	$ 2,547	$ (12,008)	$ (10,815)
Net (loss) income per share attributable to common stockholders - Basic (in dollars per share)	$ (0.15)	$ 0.08	$ (0.37)	$ (0.32)
Net (loss) income per share attributable to common stockholders - Diluted (in dollars per share)	$ (0.15)	$ 0.08	$ (0.37)	$ (0.32)
Weighted average common shares outstanding:
Basic (shares)	32,524	33,016	32,434	33,728
Diluted (shares)	32,524	33,058	32,434	33,728