Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue from services	$ 309,940	$ 315,119	$ 339,771	$ 379,174	$ 414,035	$ 442,291	$ 540,695	$ 622,707	$ 1,344,004	$ 2,019,728	$ 2,803,381
Gross profit	61,992	64,158	70,805	77,297	90,489	97,359	123,139	139,423
Net income (loss) attributable to common stockholders	$ (3,753)	$ 2,555	$ (16,050)	$ 2,692	$ 9,038	$ 12,812	$ 21,345	$ 29,436	$ (14,556)	$ 72,631	$ 185,982
Net income (loss) per share attributable to common stockholders - Basic (usd per share)	$ (0.12)	$ 0.08	$ (0.47)	$ 0.08	$ 0.26	$ 0.37	$ 0.60	$ 0.82	$ (0.44)	$ 2.07	$ 5.02
Net income (loss) per share attributable to common stockholders - Diluted (usd per share)	$ (0.12)	$ 0.08	$ (0.47)	$ 0.08	$ 0.26	$ 0.36	$ 0.60	$ 0.81	$ (0.44)	$ 2.05	$ 4.95
Restructuring costs		$ 1,000	$ 2,100	$ 900	$ 900		$ 900		$ 4,333	$ 2,553	$ 1,861
Credit loss expense	$ (228)	$ 1,512	18,858	1,290	$ 4,166	$ 2,355	3,134	$ 4,908	21,432	14,562	9,609
Legal and other losses	1,200		3,900	$ 3,700					6,668	1,125	0
Recovery of unrecoverable asset written off	1,800								1,800
Legal settlement charge								$ 1,100	4,700
Goodwill and intangible asset impairment	2,200
Loss on early extinguishment of debt							$ 1,700		0	$ 1,723	$ 3,728
Managed Service Programs (MSP) Customer
Disaggregation of Revenue [Line Items]
Credit loss expense			$ 19,400
Aya Holdings II Inc.
Disaggregation of Revenue [Line Items]
Transaction costs	$ 4,200								$ 4,200