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Segment Information - Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Revenues	$ 323,339	$ 313,073
Service
Segment Reporting Information [Line Items]
Revenues	312,032	301,654
Reimbursements
Segment Reporting Information [Line Items]
Revenues	$ 11,307	$ 11,419

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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