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The amount of indemnification assets (amounts to be reimbursed if and when certain assumed liabilities are paid) recognized at the acquisition date of a business combination.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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Business acquisitions - Enquero, Inc. - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Payment for business acquisitions, net of cash acquired		$ 33	$ 72,025	$ 186,633
Goodwill	$ 1,695,688	$ 1,684,196	1,731,027	1,695,688
Acquisition related cost			$ 1,177	$ 2,650
Enquero Inc.
Business Acquisition [Line Items]
Ownership percentage acquired (in percentage)	100.00%			100.00%
Purchase consideration	$ 148,797
Payment for business acquisitions, net of cash acquired	137,166
Cash and cash equivalents	11,631
Cash consideration to acquired certain assets and assumed certain liabilities	$ 141,938
Acquired intangible assets, weighted average amortization period	4 years
Goodwill	$ 87,874			$ 87,874
Acquisition related cost	1,590
Acquired assets	32,879			32,879
Liabilities assumed	17,232			17,232
Recognized net deferred tax liability	14,343			14,343
Indemnification assets	5,968			5,968
Enquero Inc. \| Financial Services
Business Acquisition [Line Items]
Goodwill	2,594			2,594
Enquero Inc. \| Consumer Goods Retail Life Sciences And Healthcare [Member]
Business Acquisition [Line Items]
Goodwill	22,548			22,548
Enquero Inc. \| High Tech and Manufacturing
Business Acquisition [Line Items]
Goodwill	62,732			62,732
Enquero Inc. \| Customer-related intangible assets
Business Acquisition [Line Items]
Acquired intangibles	49,000			49,000
Enquero Inc. \| Marketing-related intangible assets
Business Acquisition [Line Items]
Acquired intangibles	9,500			9,500
Enquero Inc. \| Technology-related intangible assets
Business Acquisition [Line Items]
Acquired intangibles	$ 1,400			$ 1,400