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Acquisitions - Narrative (Details) - USD ($)	3 Months Ended		4 Months Ended	6 Months Ended			18 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022
Business Acquisition [Line Items]
Goodwill acquired during period				$ 48,768,000			$ 126,600,000
Goodwill deductible for tax purposes	$ 2,000,000		$ 2,000,000	2,000,000	$ 2,000,000		$ 2,000,000
Transaction costs, excluding integration and transformation costs	400,000	$ 2,000,000		4,900,000		$ 6,100,000
Customer relationships | Series of Individually Immaterial Asset Acquisitions
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	0	$ 0		$ 0		$ 0
BA Insight
Business Acquisition [Line Items]
Revenues since acquisition date	2,000,000		$ 2,800,000
Objectif Lune
Business Acquisition [Line Items]
Revenues since acquisition date	$ 5,600,000				$ 10,500,000

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Business Combination, Transaction Costs Excluding Integration And Transformation Costs

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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

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-Publisher FASB
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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