PROPERTY AND EQUIPMENT - Additional Information (Details ) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 136,100	$ 125,300	$ 116,200
Imaging Center
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	131,400	122,500	115,000
Digital Health
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	4,700	2,900	$ 1,200
Construction in Progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	48,000	56,600
Medical Equipment
Property, Plant and Equipment [Line Items]
Construction in progress, gross	28,800	31,300
Computer and Office Equipment
Property, Plant and Equipment [Line Items]
Construction in progress, gross	3,200	900
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	711,368	618,725
Construction in progress, gross	$ 15,800	$ 24,400