Goodwill and Identifiable Intangible Assets - Goodwill and post-closing adjustments (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($)
Net carrying amount
Beginning balance	$ 3,512,567
Goodwill from acquisitions	4,591
Net cash receipts relating to prior acquisitions	(898)
Net reduction	(648)
Ending balance	3,515,612
Additional consideration from adjustment	(898)
Solara Medical Supplies, LLC [Member]
Net carrying amount
Net cash receipts relating to prior acquisitions	(900)
Additional consideration from adjustment	$ (900)