GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Activity Related to Other Intangible Assets, Net (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Intangible Assets [Roll Forward]
Intangible Assets, Gross (Excluding Goodwill)	$ 100,000,000.0	$ 116,700,000
Intangible assets, accumulated amortization	18,787,000	14,008,000
Beginning balance	102,675,000	101,200,000
Additions	800,000	7,200,000
Impairment	48,391,000	0	$ 3,009,000
Amortization	(4,700,000)	(5,700,000)
Ending balance	81,155,000	102,675,000	101,200,000
Impairment	48,391,000	0	3,009,000
High Acuity Care [Member]
Intangible Assets [Roll Forward]
Impairment	(30,800,000)
Impairment	(30,800,000)
Noncompete Agreements [Member]
Intangible Assets [Roll Forward]
Beginning balance	0	1,800,000
Additions	0	0
Amortization	0	(1,800,000)
Ending balance	0	0	1,800,000
Technology-Based Intangible Assets
Intangible Assets [Roll Forward]
Intangible Assets, Gross (Excluding Goodwill)	29,200,000	28,300,000
Beginning balance	20,400,000	17,100,000
Additions	800,000	7,100,000
Amortization	(4,500,000)	(3,800,000)
Ending balance	16,700,000	20,400,000	17,100,000
Certificates of Need and Licenses [Member]
Intangible Assets [Roll Forward]
Intangible Assets, Gross (Excluding Goodwill)	52,800,000	52,800,000
Intangible assets, accumulated amortization	(6,300,000)	(6,100,000)
Beginning balance	46,700,000	46,700,000
Additions	0	100,000
Impairment	0
Amortization	(200,000)	(100,000)
Ending balance	46,500,000	46,700,000	46,700,000
Impairment	0
Unamortizable acquired names [Member]
Intangible Assets [Roll Forward]
Intangible Assets, Gross (Excluding Goodwill)	18,000,000.0	35,600,000
Intangible assets, accumulated amortization	0	0
Beginning balance	35,600,000	35,600,000
Additions	0	0
Impairment	(17,600,000)
Amortization	0	0
Ending balance	18,000,000.0	35,600,000	$ 35,600,000
Impairment	(17,600,000)
Unamortizable acquired names [Member] | High Acuity Care [Member]
Intangible Assets [Roll Forward]
Impairment	17,600,000
Ending balance	10,700,000
Impairment	17,600,000
Technology-Based Intangible Assets
Intangible Assets [Roll Forward]
Intangible assets, accumulated amortization	(12,500,000)	$ (7,900,000)
Impairment	0
Impairment	0
Noncompete Agreements [Member]
Intangible Assets [Roll Forward]
Impairment	0
Impairment	$ 0