v3.26.3
The Company - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Dec. 04, 2025
Mar. 14, 2025
Mar. 07, 2025
Mar. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Apr. 30, 2026
Nature Of Operations And Liquidity [Line Items]              
Parent contribution of common stock         105,808    
Cash, cash equivalents, and investments         $ 244,702    
Par value         $ 1   $ 1
Net losses         $ 44,087 $ 25,826  
Cash used in operating activities         32,295 $ 26,274  
Accumulated deficit         $ 695,948   $ 651,861
West Affum Intermediate Holdings Corp.              
Nature Of Operations And Liquidity [Line Items]              
Entity Incorporation, Date of Incorporation         Aug. 06, 2020    
Kestra Medical Technologies, Ltd              
Nature Of Operations And Liquidity [Line Items]              
Parent contribution of common stock         19,885,382    
IPO              
Nature Of Operations And Liquidity [Line Items]              
Initial public offering date     Mar. 07, 2025        
IPO | Kestra Medical Technologies, Ltd | Directly Owns              
Nature Of Operations And Liquidity [Line Items]              
Percentage of ownership of common shares     100.00%        
IPO | Kestra Medical Technologies, Ltd | Indirectly Owns              
Nature Of Operations And Liquidity [Line Items]              
Percentage of ownership of common shares     100.00%        
IPO | Common Shares              
Nature Of Operations And Liquidity [Line Items]              
Shares issued     11,882,352        
Additional common stock purchased by underwriters pursuant to option to purchase additional shares   1,782,352          
Sale of stock, number of shares issued in transaction subject to vesting conditions     32,485        
Par value     $ 1        
Initial public offering, Price per share   $ 17 $ 17        
Gross proceeds from initial public offering       $ 215,789      
IPO offering costs       $ 5,398      
IPO | Common Shares | West Affum Holdings, L.P              
Nature Of Operations And Liquidity [Line Items]              
Shares issued     37,683,952        
Parent contribution of common stock     19,885,382        
IPO | Common Shares | Kestra Medical Technologies, Ltd              
Nature Of Operations And Liquidity [Line Items]              
Parent contribution of common stock     105,808        
Public Underwritten Offering | Common Shares              
Nature Of Operations And Liquidity [Line Items]              
Shares issued 6,900,000            
Initial public offering, Price per share $ 23            
Gross proceeds from initial public offering $ 149,291