Subsequent Events - Additional Information (Details) - Inogen Europe Holding B.V. - USD ($) $ in Thousands		3 Months Ended
May 04, 2017	Mar. 31, 2017
Subsequent Event [Line Items]
Date of incorporation of subsidiary		Apr. 13, 2017
MedSupport Systems B.V. \| Subsequent Event
Subsequent Event [Line Items]
Cash paid for acquisition	$ 5,587

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration