Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 2,063,486	$ 2,039,088	$ 4,097,485	$ 4,054,408
Clients 1-5
Disaggregation of Revenue [Line Items]
Revenue	494,853	502,385	1,002,850	998,504
Clients 6-10
Disaggregation of Revenue [Line Items]
Revenue	320,646	300,080	626,987	607,546
Clients 11-25
Disaggregation of Revenue [Line Items]
Revenue	516,117	523,737	984,131	994,379
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 731,870	$ 712,886	$ 1,483,517	$ 1,453,979

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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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