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Related Party Transactions (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Related Party Transaction [Line Items] |  |  |  |
Loans and Leases Receivable, Related Parties, Fixed Interest Rate |  |  | 3.50% |
Revenues |  | $ 2,841,216 | $ 2,527,177 | $ 2,687,792
Other Assets, Current |  | 114,200 | 94,054 |
Related Party |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 12,892 | 9,474 | 21,042
Other Assets, Current |  | 848 | 6,792 |
Immediate family member of management | Polling Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 828 | 1,042 | 379
Other Assets, Current |  | 192 | 160 |
Employee of Subsidiary |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Loans and Leases Receivable, Related Parties, Additions | $ 900 |  |  |
Other Assets, Current |  | 2,700 | 2,700 |
Immediate Family Member of Company's President | Polling and public relation services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 361 | 350 | 339
Other Assets, Current |  | 55 | 39 |
Director | Marketing and advertising services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 0 | 2,576 | 2,240
Other Assets, Current |  | 0 | 1,518 |
Client Founder | Polling Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  |  | 1,046 | 3,450
Client Founder | Marketing and advertising services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 4,917 | 0 | 0
Other Assets, Current |  | 0 | 0 |
Affiliated entity | Marketing and advertising services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 3,752 | 894 | 7,449
Other Assets, Current |  | 0 | 4,381 |
Stagwell Affiliate | Beneficial owner | Marketing and Website Development Services |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Revenues |  | 3,034 | 3,566 | $ 7,185
Other Assets, Current |  | $ 601 | $ 694 |

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