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Acquisitions - Summary of Changes in Goodwill (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Business Combinations [Abstract]
Goodwill balance	$ 2,264,851	$ 2,225,962
Increase from acquisitions	8,555	38,889
Increase from contributions of redeemable noncontrolling interests	2,923
Adjustments related to 2024 acquisitions	39
Goodwill balance	$ 2,276,368	$ 2,264,851

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