Annual report [Section 13 and 15(d), not S-K Item 405]

Summary of Significant Accounting Policies - Additional Information (Details)

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Summary of Significant Accounting Policies - Additional Information (Details)
 3 Months Ended 12 Months Ended
Dec. 30, 2024
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2024
USD ($)
Customer
Dec. 31, 2023
USD ($)
Customer
Dec. 31, 2022
USD ($)
Significant Accounting Policies [Line Items]          
Standard warranty period offered     3 years    
Revenue recognized included in deferred revenue     $ 5,088,000 $ 6,438,000  
Performance obligation partially offset of revenue recognized     1,695,000 3,219,000  
Deferred capped rental revenue     $ 0 0  
Rental revenue earned     30 days    
Product warranty description     The Company generally provides a warranty against defects in material and workmanship. The Company provides a three-year, five-year or lifetime warranty on Inogen One and Rove systems and a three-year and lifetime warranty on Inogen At Home systems sold. The Company only offers a lifetime warranty for direct-to-consumer sales of its oxygen concentrators.    
Accounts receivable, net     $ 29,563,000 42,241,000  
Earnout Liability     13,000,000 10,000,000  
Cash earnout milestone payment $ 13,000,000        
Increase in net rental revenue related to prior years     2,127,000 1,055,000  
Gross accounts receivable     7,500,000 $ 8,639,000  
Current financing receivable     1,751,000    
Non current financing receivable     $ 4,747,000    
Percentage of Non-US revenue invoiced in Euros     77.20% 77.70% 70.90%
Transfer of inventory to rental equipment     $ 562,000 $ 2,187,000 $ 1,221,000
Salvage value of expenditures for additions, improvements and replacements     0    
Repairs and maintenance expense     6,413,000 5,143,000 4,528,000
Depreciation and amortization     16,674,000 16,950,000 15,045,000
Loss on disposal of intangible asset         52,161,000
Fair value of earnout benefit   $ 13,687,000      
Impairments of long-lived assets     0 0  
Advertising costs     $ 32,176,000 27,120,000 33,265,000
Change in accounting principle, ASU, Adopted [true false]     true    
Change in accounting principle, ASU, Adoption date     Jan. 01, 2024    
Change in accounting principle, ASU, Immaterial effect [true false]     true    
Change in Accounting Principle, Type [Extensible Enumeration]     us-gaap:AccountingStandardsUpdate202307Member    
Construction in Process and Computer Software or Development Cost          
Significant Accounting Policies [Line Items]          
Depreciation and amortization     $ 0 0 $ 0
Other Noncurrent Assets          
Significant Accounting Policies [Line Items]          
Noncurrent inventories expected to be realized or consumed     1,291,000 1,225,000  
Customer Concentration Risk | Customer One          
Significant Accounting Policies [Line Items]          
Accounts receivable, net     $ 3,288,000 8,639,000  
Customer Concentration Risk | Customer Two          
Significant Accounting Policies [Line Items]          
Accounts receivable, net       $ 4,994,000  
Net Accounts Receivable | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Number of customers | Customer     1 2  
Raw materials | Supplier Concentration Risk | Vendor one          
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage     19.60% 30.80%  
Raw materials | Supplier Concentration Risk | Vendor two          
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage     18.40% 16.10%  
Raw materials | Supplier Concentration Risk | Vendor three          
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage     10.20% 7.90%  
Fair Value Measurements Recurring | Level 3          
Significant Accounting Policies [Line Items]          
Fair value of earn out liablity     $ 0 $ 0  
Fair Value Measurements Recurring | Level 3 | Maximum | Physio-Assist SAS          
Significant Accounting Policies [Line Items]          
Earnout Liability     13,000,000    
Fair Value Measurements Recurring | Level 3 | Maximum | New Aera          
Significant Accounting Policies [Line Items]          
Earnout Liability     31,400,000    
Forward Contracts          
Significant Accounting Policies [Line Items]          
Related receivable     351,000    
Related payable       155,000  
Lifetime Warranties | Direct-to-Consumer          
Significant Accounting Policies [Line Items]          
Deferred revenue     9,922,000 13,315,000  
Medicare's Service Reimbursement Programs | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Accounts receivable, net     $ 1,107,000 $ 2,059,000  
Medicare's Service Reimbursement Programs | Sales Revenue, Net | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage     9.50% 13.70% 11.60%
Medicare's Service Reimbursement Programs | Net Accounts Receivable | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage     4.80% 4.90%  
Medicare's Service Reimbursement Programs | Rental Revenue | Customer Concentration Risk          
Significant Accounting Policies [Line Items]          
Concentration Risk, Percentage     56.30% 67.70% 77.00%