SEGMENT REPORTING (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Infusion services net revenue	$ 1,416,085		$ 1,227,186		$ 2,749,057	$ 2,373,238
(Expense) Income:
Depreciation and amortization expense	(16,241)		(14,907)		(31,987)	(29,635)
Equity in earnings of joint ventures	1,400		1,400		3,124	2,530
Other, net	(797)		2,564		(4,927)	2,566
Income tax expense	(18,338)		(18,998)		(35,152)	(31,162)
NET INCOME	50,523	$ 46,742	53,043	$ 44,791	97,265	97,834
Reportable Segment
Segment Reporting Information [Line Items]
Infusion services net revenue	1,393,008		1,205,561		2,704,189	2,331,223
Other revenue	23,077		21,625		44,868	42,015
Total Option Care Health revenue	1,416,085		1,227,186		2,749,057	2,373,238
(Expense) Income:
Cost of net revenues - drugs	(1,004,610)		(847,420)		(1,937,678)	(1,624,680)
Salaries, benefits, and other employee expense	(212,195)		(193,298)		(417,887)	(385,113)
Other segment items	(100,329)		(90,886)		(199,607)	(184,105)
Depreciation and amortization expense	(16,241)		(14,907)		(31,987)	(29,635)
Interest expense, net	(14,447)		(12,603)		(27,678)	(25,805)
Equity in earnings of joint ventures	1,395		1,405		3,124	2,530
Other, net	(797)		2,564		(4,927)	2,566
Income tax expense	(18,338)		(18,998)		(35,152)	(31,162)
NET INCOME	$ 50,523		$ 53,043		$ 97,265	$ 97,834