Inogen, Inc. Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Identifiable Intangible Assets - Summary of Changes in Net Carrying Values of Intangibles (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	$ 6,239	$ 84,564
Accumulated amortization	6,062	24,417
Net amount	$ 177	$ 60,147
Technology
Finite Lived Intangible Assets [Line Items]
Average estimated useful lives (in years)		10 years
Gross carrying amount		$ 77,700
Accumulated amortization		18,454
Net amount		$ 59,246
Licenses
Finite Lived Intangible Assets [Line Items]
Average estimated useful lives (in years)	10 years	10 years
Gross carrying amount	$ 185	$ 185
Accumulated amortization	183	180
Net amount	$ 2	$ 5
Patents And Websites
Finite Lived Intangible Assets [Line Items]
Average estimated useful lives (in years)	5 years	5 years
Gross carrying amount	$ 4,514	$ 4,519
Accumulated amortization	4,353	3,746
Net amount	$ 161	$ 773
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Average estimated useful lives (in years)	4 years	4 years
Gross carrying amount	$ 1,284	$ 1,361
Accumulated amortization	1,284	1,361
Commercials
Finite Lived Intangible Assets [Line Items]
Gross carrying amount	256	799
Accumulated amortization	242	676
Net amount	$ 14	$ 123
Commercials \| Minimum
Finite Lived Intangible Assets [Line Items]
Average estimated useful lives (in years)	2 years	2 years
Commercials \| Maximum
Finite Lived Intangible Assets [Line Items]
Average estimated useful lives (in years)	3 years	3 years