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Related Parties - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Oct. 28, 2020
Related Party Transaction [Line Items]
Revenues		$ 3,542,642	$ 3,566,324	$ 3,900,125
Debt Instrument, Face Amount					$ 1,325,000
Topco [Member] \| 2014 Topco Acquisition [Member] \| New Intercompany Loan Agreement [Member]
Related Party Transaction [Line Items]
Debt Instrument, Face Amount	$ 6,300	$ 6,000
Debt Instrument, Interest Rate, Stated Percentage	10.09%	0.39%
Debt instrument, maturity date	Dec. 31, 2026	Dec. 31, 2023
Majority-Owned Subsidiary, Nonconsolidated [Member]
Related Party Transaction [Line Items]
Revenues		$ 4,700	9,300	22,200
Accounts receivable from client		400	900
Client 1 [Member]
Related Party Transaction [Line Items]
Revenues		4,800	4,900	4,400
Accounts receivable from client		700	400
Client 2 [Member]
Related Party Transaction [Line Items]
Revenues		$ 2,200	7,900	$ 3,300
Accounts receivable from client			$ 200