Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.22.4
Summary of Significant Accounting Policies - Additional Information (Details)
 12 Months Ended
Dec. 31, 2022
USD ($)
Segment
Customer
Dec. 31, 2021
USD ($)
Customer
Dec. 31, 2020
USD ($)
Customer
Significant Accounting Policies [Line Items]      
Standard warranty period offered 3 years    
Revenue recognized included in deferred revenue $ 6,598,000 $ 5,866,000  
Performance obligation partially offset of revenue recognized 5,156,000 6,764,000  
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 3-year, 5-year or lifetime warranty on Inogen One systems sold and a 3-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 $ 62,725,000 24,452,000  
Preacquisition loss recoveries 0 630,000  
Increase in net rental revenue related to prior years $ 1,483,000 $ 877,000  
Percentage of Non-US revenue invoiced in Euros 70.90% 74.10% 73.60%
Transfer of inventory to rental equipment $ 1,221,000 $ 906,000 $ 1,970,000
Salvage value of expenditures for additions, improvements and replacements 0    
Repairs and maintenance expense 4,528,000 3,387,000 2,527,000
Depreciation and amortization 15,045,000 12,853,000 9,577,000
Loss on disposal of intangible asset 52,161,000    
Fair value of earnout benefit 13,687,000    
Impairments of long-lived assets 0 0 0
Goodwill impairment loss 0 0  
Advertising costs 33,265,000 35,183,000 34,180,000
Other income (expense) (862,000) (710,000) 5,836,000
General and administrative $ 43,905,000 37,852,000 38,605,000
Number of operating segments | Segment 1    
Number of reportable segments | Segment 1    
CARES Act      
Significant Accounting Policies [Line Items]      
Grant amount received     6,200,000
Other income (expense)     5,300,000
General and administrative     900,000
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 1,249,000 1,943,000  
Prepaid Expenses And Other Current Assets      
Significant Accounting Policies [Line Items]      
Inventory raw materials 7,017,000 15,426,000  
Customer Concentration Risk | Customer One      
Significant Accounting Policies [Line Items]      
Accounts receivable, net 22,641,000 $ 5,945,000  
Customer Concentration Risk | Customer Two      
Significant Accounting Policies [Line Items]      
Accounts receivable, net $ 9,861,000    
Sales Revenue, Net | Customer Concentration Risk      
Significant Accounting Policies [Line Items]      
Number of customers | Customer     1
Net Accounts Receivable | Customer Concentration Risk      
Significant Accounting Policies [Line Items]      
Number of customers | Customer 2 1  
Raw materials | Supplier Concentration Risk | Vendor one      
Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 28.10% 16.30%  
Raw materials | Supplier Concentration Risk | Vendor two      
Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 17.70% 12.10%  
Raw materials | Supplier Concentration Risk | Vendor three      
Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 8.00% 9.90%  
Fair Value Measurements Recurring | Level 3      
Significant Accounting Policies [Line Items]      
Fair value of earn out liablity $ 0    
Fair Value Measurements Recurring | Level 3 | Maximum      
Significant Accounting Policies [Line Items]      
Earnout Liability 31,400,000    
Forward Contracts      
Significant Accounting Policies [Line Items]      
Related payable 422,000 $ 1,671,000  
Lifetime Warranties | Direct-to-Consumer      
Significant Accounting Policies [Line Items]      
Deferred revenue 16,534,000 17,976,000  
Medicare's Service Reimbursement Programs | Customer Concentration Risk      
Significant Accounting Policies [Line Items]      
Accounts receivable, net $ 2,138,000 $ 2,685,000  
Medicare's Service Reimbursement Programs | Sales Revenue, Net | Customer Concentration Risk      
Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 11.60% 10.60% 7.50%
Medicare's Service Reimbursement Programs | Net Accounts Receivable | Customer Concentration Risk      
Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 3.40% 11.00%  
Medicare's Service Reimbursement Programs | Rental Revenue | Customer Concentration Risk      
Significant Accounting Policies [Line Items]      
Concentration Risk, Percentage 77.00% 81.90% 81.50%