Revenue Recognition and Accounts Receivable - Composition of Net Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Total net revenue	$ 804,031	$ 756,495	$ 2,341,943	$ 2,190,312
Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	532,125	512,523	1,546,013	1,481,132
Transferred over Time
Disaggregation of Revenue [Line Items]
Total net revenue	271,906	243,972	795,930	709,180
Sleep
Disaggregation of Revenue [Line Items]
Total net revenue	315,392	270,629	912,403	781,256
Sleep | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	227,005	198,206	656,311	585,234
Sleep | Transferred over Time
Disaggregation of Revenue [Line Items]
Total net revenue	88,387	72,423	256,092	196,022
Diabetes
Disaggregation of Revenue [Line Items]
Total net revenue	159,937	173,286	475,219	494,884
Diabetes | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	157,328	169,075	464,893	482,693
Diabetes | Transferred over Time
Disaggregation of Revenue [Line Items]
Total net revenue	2,609	4,211	10,326	12,191
Supplies to the home
Disaggregation of Revenue [Line Items]
Total net revenue	48,349	47,793	143,227	131,539
Supplies to the home | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	48,349	47,793	143,227	131,539
Respiratory
Disaggregation of Revenue [Line Items]
Total net revenue	151,083	140,352	447,815	417,833
Respiratory | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	8,164	9,734	24,284	25,770
Respiratory | Transferred over Time
Disaggregation of Revenue [Line Items]
Total net revenue	142,919	130,618	423,531	392,063
HME
Disaggregation of Revenue [Line Items]
Total net revenue	52,182	54,945	154,297	166,582
HME | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	27,095	29,463	82,895	89,828
HME | Transferred over Time
Disaggregation of Revenue [Line Items]
Total net revenue	25,087	25,482	71,402	76,754
Other
Disaggregation of Revenue [Line Items]
Total net revenue	77,088	69,490	208,982	198,218
Other | Transferred at Point in Time
Disaggregation of Revenue [Line Items]
Total net revenue	64,184	58,252	174,403	166,068
Other | Transferred over Time
Disaggregation of Revenue [Line Items]
Total net revenue	12,904	11,238	34,579	32,150
Insurance
Disaggregation of Revenue [Line Items]
Total net revenue	486,136	465,625	1,397,748	1,322,694
Government
Disaggregation of Revenue [Line Items]
Total net revenue	220,351	198,841	618,860	576,829
Patient pay
Disaggregation of Revenue [Line Items]
Total net revenue	$ 97,544	$ 92,029	$ 325,335	$ 290,789