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Description of Business (Details) - segment | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Aug. 18, 2017
Business Combinations |  |
Number of reportable segments | 1 |
DoubleVerify Inc. |  |
Business Combinations |  |
Ownership percentage acquired |  | 100.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-5 + Details
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