SIGNIFICANT ACCOUNTING POLICIES - Schedule of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 677,665
Goodwill from acquisitions	6,174
Valuation adjustment	1,603
Currency translation	1,643
Ending balance	687,085
Imaging Center
Goodwill [Roll Forward]
Beginning balance	606,483
Goodwill from acquisitions	6,174
Valuation adjustment	1,603
Currency translation	576
Ending balance	614,836
Artificial Intelligence
Goodwill [Roll Forward]
Beginning balance	71,182
Goodwill from acquisitions	0
Valuation adjustment	0
Currency translation	1,067
Ending balance	$ 72,249