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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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