v3.25.3
Earnout Shares (FY) (Details) - Innventure LLC
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Oct. 02, 2024
USD ($)
day
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Jun. 30, 2025
USD ($)
Oct. 01, 2024
USD ($)
$ / shares
shares
Business Acquisition, Contingent Consideration [Line Items]          
Contingent consideration (in shares) | shares         5,000,000
Contingent consideration, vesting provision, VWAP stock price trigger (in usd per share) | $ / shares         $ 11.5
Contingent consideration, vesting provision, VWAP threshold trading days | day 20        
Contingent consideration, vesting provision, VWAP threshold consecutive trading days | day 30        
Contingent consideration, vesting provision, effective period following Business Combination 6 months        
Contingent consideration, equity-classified (in shares) | shares         4,275,862
Contingent consideration, equity-classified, fair value | $         $ 46,350
Innventure Members          
Business Acquisition, Contingent Consideration [Line Items]          
Contingent consideration (in shares) | shares         5,000,000
Sponsor          
Business Acquisition, Contingent Consideration [Line Items]          
Contingent consideration (in shares) | shares         344,828
Milestone One          
Business Acquisition, Contingent Consideration [Line Items]          
Contingent consideration, percent of shares issuable upon milestone completion 40.00%        
Contingent consideration, vesting period 7 years        
Contingent consideration, revenue threshold | $ $ 15,000        
Contingent consideration, equity-classified (in shares) | shares         2,137,931
Contingent consideration, equity-classified, fair value | $         $ 23,175
Milestone Two          
Business Acquisition, Contingent Consideration [Line Items]          
Contingent consideration, percent of shares issuable upon milestone completion 40.00%        
Contingent consideration, equity-classified (in shares) | shares         2,137,931
Contingent consideration, equity-classified, fair value | $         $ 23,175
Milestone Three          
Business Acquisition, Contingent Consideration [Line Items]          
Contingent consideration, percent of shares issuable upon milestone completion 20.00%        
Contingent consideration, revenue threshold | $ $ 15,000        
Contingent consideration, liability-classified (in shares) | shares         1,068,966
Contingent consideration liability | $   $ 4,370 $ 14,752 $ 4,370 $ 11,352
Loss on change in fair value of contingent consideration | $   $ (3,100) $ 3,400 $ (9,509)