Fair Value of Financial Instruments - Summarizes the Changes in the Carrying Value of Estimated Contingent Consideration Liabilities (Detail) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Fair Value Disclosures [Abstract]
Beginning of the period	$ 58,366	$ 45,901
Fair value of acquisitions	510	5,116
Changes in fair value	5,788	3,361
Payments	(20,882)	(6,399)
Measurement period adjustments	0	(1,181)
Foreign exchange translation effects	(397)	45
End of the period	$ 43,385	$ 46,843

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123596393&loc=d3e14172-108612

Name:	us-gaap_FairValueOptionChangesInFairValueGainLoss1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration