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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Goodwill [Line Items] |  |  |  |  |
Goodwill impairment loss | $ 0 |  | $ 0 | $ 109,515 | $ 0
Customer relationships |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment loss on intangible assets |  | $ 18,262 |  |  |
Physician and Leadership Solutions |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill impairment loss, gross |  | 91,221 |  |  |
Deferred tax assets, goodwill |  | 18,294 |  |  |
Goodwill impairment loss |  | $ 109,515 |  | $ 109,515 |

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