INVESTMENTS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Variable Interest Entity [Line Items]
Minimum ownership percentage for controlling interest (percent)	50.00%
Maximum ownership percentage for equity method investment (percent)	50.00%
Equity method investment, aggregate cost	$ 97,300		$ 49,800
Maximum ownership percentage for cost method investment (percent)	20.00%
Investment Owned, at Cost	$ 20,000		20,000
Cash and cash equivalents	284,881		303,242
Patient accounts receivable	319,639		296,075
Total current assets	633,964		632,083
Operating lease right of use assets	80,905		81,500
Goodwill	1,213,888		1,213,888
Intangible assets	80,199		81,155
Other assets	135,432		87,980
Total assets	2,184,574		2,138,714
Accounts payable	28,705		39,956
Payroll and employee benefits	131,722		151,995
Accrued expenses	162,180		152,564
Operating lease liabilities	25,845		25,909
Total liabilities	939,500		958,749
Gain on equity method investment	48,093	$ 0
Medalogix [Member]
Variable Interest Entity [Line Items]
Gain on equity method investment	48,100
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Cash and cash equivalents	10,200		10,000
Patient accounts receivable	6,800		8,100
Total current assets	17,000		18,100
Operating lease right of use assets	100		0
Goodwill	8,500		8,500
Intangible assets	400		400
Other assets	400		300
Total assets	26,400		27,300
Accounts payable	600		600
Payroll and employee benefits	700		1,200
Accrued expenses	9,000		9,400
Operating lease liability	100		100
Total liabilities	$ 10,400		$ 11,300