Equipment and Other Fixed Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equipment and Other Fixed Assets
Gross carrying value	$ 932,082	$ 870,267
Less accumulated depreciation	(436,981)	(383,188)
Equipment and other fixed assets, net	495,101	487,079
Depreciation and amortization, including patient equipment depreciation	350,200	311,200	$ 211,500
Patient medical equipment
Equipment and Other Fixed Assets
Gross carrying value	791,349	747,985
Computers and software
Equipment and Other Fixed Assets
Gross carrying value	85,509	70,897
Delivery vehicles
Equipment and Other Fixed Assets
Gross carrying value	35,021	35,326
Other
Equipment and Other Fixed Assets
Gross carrying value	$ 20,203	$ 16,059

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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