Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details)

v3.25.3
Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Assets measured at fair value    
Fair value $ 769,755 $ 733,224
Liabilities measured at fair value    
Warrant liability 139,546 95,410
Earnout shares liability 200,925 117,416
Term deposits    
Assets measured at fair value    
Fair value 30,612 31,179
Asset backed securities    
Assets measured at fair value    
Fair value 120,472 98,412
Government debt securities    
Assets measured at fair value    
Fair value 183,383 206,945
Corporate debt securities    
Assets measured at fair value    
Fair value 435,288 396,688
Fair Value Measurements Recurring    
Assets measured at fair value    
Cash equivalents 175,142 178,383
Fair value 769,755 733,224
Total fair value of assets 944,897 911,607
Liabilities measured at fair value    
Warrant liability 139,546 95,410
Earnout shares liability 200,925 117,416
EBITDA Earnout Liability 7,631  
Total fair value of liabilities 348,102 212,826
Fair Value Measurements Recurring | Common stock warrant liabilities (Public)    
Liabilities measured at fair value    
Warrant liability 86,208 34,843
Fair Value Measurements Recurring | Common stock warrant liabilities (Private)    
Liabilities measured at fair value    
Warrant liability   23,296
Fair Value Measurements Recurring | Common stock warrant liabilities (Delta)    
Liabilities measured at fair value    
Warrant liability 53,338 37,271
Fair Value Measurements Recurring | Money market funds    
Assets measured at fair value    
Cash equivalents 175,142 178,383
Fair Value Measurements Recurring | Term deposits    
Assets measured at fair value    
Fair value 30,612 31,179
Fair Value Measurements Recurring | Asset backed securities    
Assets measured at fair value    
Fair value 120,472 98,412
Fair Value Measurements Recurring | Government debt securities    
Assets measured at fair value    
Fair value 183,383 206,945
Fair Value Measurements Recurring | Corporate debt securities    
Assets measured at fair value    
Fair value 435,288 396,688
Fair Value Measurements Recurring | Level 1    
Assets measured at fair value    
Cash equivalents 175,142 178,383
Fair value 0 0
Total fair value of assets 175,142 178,383
Liabilities measured at fair value    
Warrant liability 86,208 34,843
Earnout shares liability 0 0
EBITDA Earnout Liability 0  
Total fair value of liabilities 86,208 34,843
Fair Value Measurements Recurring | Level 1 | Common stock warrant liabilities (Public)    
Liabilities measured at fair value    
Warrant liability 86,208 34,843
Fair Value Measurements Recurring | Level 1 | Common stock warrant liabilities (Private)    
Liabilities measured at fair value    
Warrant liability   0
Fair Value Measurements Recurring | Level 1 | Common stock warrant liabilities (Delta)    
Liabilities measured at fair value    
Warrant liability 0 0
Fair Value Measurements Recurring | Level 1 | Money market funds    
Assets measured at fair value    
Cash equivalents 175,142 178,383
Fair Value Measurements Recurring | Level 1 | Term deposits    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 1 | Asset backed securities    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 1 | Government debt securities    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 1 | Corporate debt securities    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 2    
Assets measured at fair value    
Cash equivalents 0 0
Fair value 769,755 733,224
Total fair value of assets 769,755 733,224
Liabilities measured at fair value    
Warrant liability 0 23,296
Earnout shares liability 0 0
EBITDA Earnout Liability 0  
Total fair value of liabilities 0 23,296
Fair Value Measurements Recurring | Level 2 | Common stock warrant liabilities (Public)    
Liabilities measured at fair value    
Warrant liability 0 0
Fair Value Measurements Recurring | Level 2 | Common stock warrant liabilities (Private)    
Liabilities measured at fair value    
Warrant liability   23,296
Fair Value Measurements Recurring | Level 2 | Common stock warrant liabilities (Delta)    
Liabilities measured at fair value    
Warrant liability 0 0
Fair Value Measurements Recurring | Level 2 | Money market funds    
Assets measured at fair value    
Cash equivalents 0 0
Fair Value Measurements Recurring | Level 2 | Term deposits    
Assets measured at fair value    
Fair value 30,612 31,179
Fair Value Measurements Recurring | Level 2 | Asset backed securities    
Assets measured at fair value    
Fair value 120,472 98,412
Fair Value Measurements Recurring | Level 2 | Government debt securities    
Assets measured at fair value    
Fair value 183,383 206,945
Fair Value Measurements Recurring | Level 2 | Corporate debt securities    
Assets measured at fair value    
Fair value 435,288 396,688
Fair Value Measurements Recurring | Level 3    
Assets measured at fair value    
Cash equivalents 0 0
Fair value 0 0
Total fair value of assets 0 0
Liabilities measured at fair value    
Warrant liability 53,338 37,271
Earnout shares liability 200,925 117,416
EBITDA Earnout Liability 7,631  
Total fair value of liabilities 261,894 154,687
Fair Value Measurements Recurring | Level 3 | Common stock warrant liabilities (Public)    
Liabilities measured at fair value    
Warrant liability 0 0
Fair Value Measurements Recurring | Level 3 | Common stock warrant liabilities (Private)    
Liabilities measured at fair value    
Warrant liability   0
Fair Value Measurements Recurring | Level 3 | Common stock warrant liabilities (Delta)    
Liabilities measured at fair value    
Warrant liability 53,338 37,271
Fair Value Measurements Recurring | Level 3 | Money market funds    
Assets measured at fair value    
Cash equivalents 0 0
Fair Value Measurements Recurring | Level 3 | Term deposits    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 3 | Asset backed securities    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 3 | Government debt securities    
Assets measured at fair value    
Fair value 0 0
Fair Value Measurements Recurring | Level 3 | Corporate debt securities    
Assets measured at fair value    
Fair value $ 0 $ 0