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Goodwill, Trade Names, Customer Lists and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)
Goodwill [Line Items]
Balance - December 31, 2024	$ 2,124,528
Adjustments to initial purchase price allocations	208
Foreign currency translation	3,282
Balance - March 31, 2025	2,128,018
Sterling Check Corp [Member]
Goodwill [Line Items]
Balance - December 31, 2024	1,306,893
Adjustments to initial purchase price allocations	208
Foreign currency translation	2,248
Balance - March 31, 2025	1,309,349
Americas
Goodwill [Line Items]
Balance - December 31, 2024	703,294
Adjustments to initial purchase price allocations	0
Foreign currency translation	2
Balance - March 31, 2025	703,296
International
Goodwill [Line Items]
Balance - December 31, 2024	114,341
Adjustments to initial purchase price allocations	0
Foreign currency translation	1,032
Balance - March 31, 2025	$ 115,373

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