BUSINESS COMBINATIONS - Schedule of Final Allocation Consideration Transferred (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 24, 2025	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Business Combination [Line Items]
Goodwill		$ 1,606,743	$ 1,605,930	$ 1,606,743	$ 1,540,246
Purchase price, net of cash acquired		$ 0	$ 117,322
Intramed Plus, Inc
Business Combination [Line Items]
Accounts receivable, net	$ 9,240
Inventory	2,693
Other assets	4,831
Accounts payable and other liabilities	(11,114)
Fair value identifiable assets and liabilities	50,750
Goodwill	66,497
Cash acquired	2,968
Purchase price	120,215
Less: cash acquired	(2,968)
Purchase price, net of cash acquired	117,247
Intramed Plus, Inc | Referral sources
Business Combination [Line Items]
Finite-lived intangible assets	$ 36,800
Intangible assets useful life	15 years
Intramed Plus, Inc | Trademarks/names
Business Combination [Line Items]
Finite-lived intangible assets	$ 8,300
Intangible assets useful life	15 years