Segment Information -Reconciliation of Total Adjusted EBITDA to Consolidated Income (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjusted EBITDA	$ 616,681	$ 688,657	$ 670,795
Interest expense, net	(105,753)	(126,668)	(130,299)
Depreciation and amortization, including patient equipment depreciation	(381,927)	(365,334)	(382,783)
Equity-based compensation expense	(21,876)	(14,880)	(22,468)
Change in fair value of warrant liability	0	4,021	34,482
Goodwill impairment	(127,995)	(13,078)	(830,787)
Gain on sale of businesses (note 4)	32,602	0	0
Loss on extinguishment of debt	0	(2,273)	0
Other loss, net	(274)	(2,793)	(29,566)
(Loss) income before income taxes	(15,154)	136,019	(723,784)
Asset dispositions	10,700	4,500
Consulting expenses, asset dispositions, contingent success fees	5,100
Transaction cost	2,600		1,000
Project reorganization	2,600
Systems implementation activities	2,400	13,900	5,600
Legal Fees	1,600	4,200	13,900
Severance charges	1,200	3,900	7,100
Asset impairment charges	1,200	2,700
Other nonoperating expense	3,600	1,900	1,600
Cost saving initiatives			5,200
Lease termination cost			4,800
Operating lease, impairment loss			900
TRA			(2,500)
Chief Executive Officer
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Severance charges			2,900
Pending Litigation
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Litigation settlement expense		(2,400)
Pending Litigation | Derivative Plaintiff
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Litigation settlement expense		(900)
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wellness at Home
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Gain on sale of businesses (note 4)	32,602
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Interest expense, net	(105,753)	(126,668)	(130,299)
Depreciation and amortization, including patient equipment depreciation	(381,927)	(365,334)	(382,783)
Equity-based compensation expense	(21,876)	(14,880)	(22,468)
Change in fair value of warrant liability	0	4,021	34,482
Goodwill impairment	(127,995)	(13,078)	(830,787)
Gain on sale of businesses (note 4)	32,602	0	0
Loss on extinguishment of debt	0	(2,273)	0
Litigation settlement expense	(1,000)	(3,338)	(25,140)
Other loss, net	(25,886)	(31,088)	(37,584)
(Loss) income before income taxes	$ (15,154)	$ 136,019	$ (723,784)