SIGNIFICANT ACCOUNTING POLICIES - Schedule of Goodwill (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 677,665
Goodwill from acquisitions	6,473
Valuation adjustment	1,603
Currency translation	(130)
Contribution of imaging centers	(9,235)
Ending balance	676,376
Imaging Center
Goodwill [Roll Forward]
Beginning balance	606,483
Goodwill from acquisitions	6,473
Valuation adjustment	1,603
Currency translation	223
Contribution of imaging centers	(9,235)
Ending balance	605,547
Artificial Intelligence
Goodwill [Roll Forward]
Beginning balance	71,182
Goodwill from acquisitions	0
Valuation adjustment	0
Currency translation	(353)
Contribution of imaging centers	0
Ending balance	$ 70,829