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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024 | Oct. 31, 2023
Goodwill [Line Items] |  |  |  |  |  |
Intangible asset amortization expense | $ 1,623 | $ 1,953 | $ 4,878 | $ 6,170 |  |
On-Demand Talent Reporting Unit |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Percentage of fair value in excess of carrying value |  |  |  |  |  | 6.00%
Impairment charges |  |  |  | 14,800 | $ 43,300 |
Europe Reporting Unit |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Impairment charges |  |  |  | $ 1,500 |  |

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