Goodwill and Other Intangible Assets - Summary of Company's Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill [Roll Forward]
Beginning balance	$ 420,387	$ 405,639
Acquisition		22,035
Measurement period adjustments		(6,700)
Currency translation adjustments	(733)	(587)
Ending balance	419,654	420,387
Insurance
Goodwill [Roll Forward]
Beginning balance	77,099	73,371
Acquisition		5,409
Measurement period adjustments		(1,645)
Currency translation adjustments	170	(36)
Ending balance	77,269	77,099
Healthcare and Life Sciences
Goodwill [Roll Forward]
Beginning balance	189,621	189,352
Acquisition		411
Measurement period adjustments		(125)
Currency translation adjustments	(27)	(17)
Ending balance	189,594	189,621
Banking, Capital Markets and Diversified Industries
Goodwill [Roll Forward]
Beginning balance	100,639	92,545
Acquisition		12,056
Measurement period adjustments		(3,666)
Currency translation adjustments	(486)	(296)
Ending balance	100,153	100,639
International Growth Markets
Goodwill [Roll Forward]
Beginning balance	53,028	50,371
Acquisition		4,159
Measurement period adjustments		(1,264)
Currency translation adjustments	(390)	(238)
Ending balance	$ 52,638	$ 53,028