CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE (LOSS) INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenue from Contract with Customer, Product and Service [Extensible List]	Service	Service	Service
Revenue from services	$ 1,054,293	$ 1,344,004	$ 2,019,728
Operating expenses:
Direct operating expenses	840,722	1,069,752	1,569,318
Selling, general and administrative expenses	200,680	233,377	300,332
Credit loss (credit) expense	(441)	21,432	14,562
Depreciation and amortization	16,794	18,200	18,347
Acquisition and integration-related (income) costs	(3,394)	4,219	59
Restructuring costs	3,746	4,333	2,553
Legal and other losses	2,749	6,668	1,125
Impairment charges	77,851	2,888	719
Total operating expenses	1,138,707	1,360,869	1,907,015
(Loss) income from operations	(84,414)	(16,865)	112,713
Other expenses (income):
Interest expense	2,216	2,188	8,094
Loss on early extinguishment of debt	0	0	1,723
Interest income	(3,129)	(2,050)	(83)
Other expense (income), net	9	(605)	85
(Loss) income before income taxes	(83,510)	(16,398)	102,894
Income tax expense (benefit)	11,342	(1,842)	30,263
Net (loss) income attributable to common shareholders	(94,852)	(14,556)	72,631
Other comprehensive (loss) income:
Unrealized foreign currency translation (loss) income, net of tax	(119)	(56)	2
Comprehensive income (loss) attributable to common stockholders	$ (94,971)	$ (14,612)	$ 72,633
Net (loss) income per share attributable to common stockholders - Basic (in usd per share)	$ (2.93)	$ (0.44)	$ 2.07
Net (loss) income per share attributable to common stockholders - Diluted (in usd per share)	$ (2.93)	$ (0.44)	$ 2.05
Weighted average common shares outstanding:
Basic (in shares)	32,409	33,379	35,158
Diluted (in shares)	32,409	33,379	35,476