v3.26.1
Earnout Shares (Details) - Innventure LLC
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Apr. 02, 2026
USD ($)
shares
Feb. 04, 2025
shares
Jan. 07, 2025
shares
Oct. 02, 2024
day
$ / shares
shares
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Business Combination, Contingent Consideration [Line Items]                  
Contingent consideration, vesting provision, VWAP stock price trigger (in usd per share) | $ / shares       $ 11.50          
Contingent consideration, vesting provision, VWAP threshold trading days | day       20          
Contingent consideration, vesting provision, effective period following business combination       6 months          
Milestone Two                  
Business Combination, Contingent Consideration [Line Items]                  
Earnout shares issued (in shares)   2,000,000              
Milestone One                  
Business Combination, Contingent Consideration [Line Items]                  
Earnout shares issued (in shares) 1,999,854                
Contingent consideration, revenue threshold | $ $ 15.0                
Milestone Three                  
Business Combination, Contingent Consideration [Line Items]                  
Contingent consideration liability | $         $ 4.8   $ 4.8   $ 3.9
(Gain) loss on change in fair value of contingent consideration | $         $ (1.3) $ 3.1 $ (0.9) $ 9.5  
Innventure Members                  
Business Combination, Contingent Consideration [Line Items]                  
Contingent consideration (in shares)       5,000,000          
Sponsor                  
Business Combination, Contingent Consideration [Line Items]                  
Contingent consideration (in shares)       344,828          
Earnout shares vested (in shares)     344,828