Goodwill and Intangible Assets - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Acquired Finite Lived Intangible Assets [Line Items]
Goodwill	$ 539,000		$ 539,000		$ 15,300,000
Impairment of goodwill	14,701,000	$ 0	14,701,000	$ 0
Impairment of intangible assets	4,036,000	0	4,036,000	0
Amortization expense of intangible assets			298,000
Customer Relationships and Developed Technology
Acquired Finite Lived Intangible Assets [Line Items]
Impairment of intangible assets	4,000,000.0		4,000,000.0
Vapotherm Reporting Unit
Acquired Finite Lived Intangible Assets [Line Items]
Goodwill	0		0
Sales and Marketing
Acquired Finite Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	100,000	100,000	200,000	200,000
General and Administrative
Acquired Finite Lived Intangible Assets [Line Items]
Amortization expense of intangible assets	$ 100,000	$ 100,000	$ 100,000	$ 100,000