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

Summary of Significant Accounting Policies - Additional Information (Details)

v3.25.4
Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Dec. 30, 2024
USD ($)
Dec. 31, 2025
USD ($)
Customer
Dec. 31, 2024
USD ($)
Customer
Dec. 31, 2023
USD ($)
Significant Accounting Policies [Line Items]        
Standard warranty period offered   3 years    
Revenue recognized included in deferred revenue   $ 4,238,000 $ 5,088,000  
Performance obligation partially offset of revenue recognized   1,136,000 1,695,000  
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   $ 38,863,000 29,563,000  
Earnout Liability   0 13,000,000  
Cash earnout milestone payment $ 13,000,000      
Increase in net rental revenue related to prior years   1,242,000 2,127,000  
Gross accounts receivable     7,500,000 $ 8,639,000
Current financing receivable   1,473,000 1,751,000  
Non current financing receivable   $ 3,274,000 $ 4,747,000  
Percentage of international revenue invoiced in Euros   78.20% 77.20% 77.70%
Transfer of inventory to rental equipment   $ 1,899,000 $ 562,000 $ 2,187,000
Raw materials and work-in-progress   14,945,000    
Finished goods   11,024,000    
Salvage value of expenditures for additions, improvements and replacements   0    
Repairs and maintenance expense   7,071,000 6,413,000 5,143,000
Depreciation and amortization   15,739,000 16,674,000 16,950,000
Impairments of long-lived assets   0 0  
Advertising costs   $ 29,143,000 32,176,000 27,120,000
Accounting Standards Update 2023-09        
Significant Accounting Policies [Line Items]        
Change in accounting principle, ASU, Adopted [true false]   true    
Change in accounting principle, ASU, Adoption date   Jan. 01, 2025    
Change in accounting principle, ASU, Immaterial effect [true false]   true    
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   $ 966,000 1,291,000  
Customer Concentration Risk | Customer One        
Significant Accounting Policies [Line Items]        
Accounts receivable, net     $ 3,288,000  
Net Accounts Receivable | Customer Concentration Risk        
Significant Accounting Policies [Line Items]        
Number of customers | Customer   0 1  
Raw materials | Supplier Concentration Risk | Vendor one        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   17.90% 19.60%  
Raw materials | Supplier Concentration Risk | Vendor two        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   12.10% 18.40%  
Raw materials | Supplier Concentration Risk | Vendor three        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   10.50% 10.20%  
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   373,000 351,000  
Lifetime Warranties | Direct-to-Consumer        
Significant Accounting Policies [Line Items]        
Deferred revenue   6,820,000 9,922,000  
Medicare's Service Reimbursement Programs | Customer Concentration Risk        
Significant Accounting Policies [Line Items]        
Accounts receivable, net   $ 1,394,000 $ 1,107,000  
Medicare's Service Reimbursement Programs | Sales Revenue, Net | Customer Concentration Risk        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   9.50% 9.50% 13.70%
Medicare's Service Reimbursement Programs | Net Accounts Receivable | Customer Concentration Risk        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   3.60% 4.80%  
Medicare's Service Reimbursement Programs | Rental Revenue | Customer Concentration Risk        
Significant Accounting Policies [Line Items]        
Concentration Risk, Percentage   61.90% 56.30% 67.70%