Quarterly report [Sections 13 or 15(d)]

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

v3.26.1
Fair Value Measurements - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents $ 850,608 $ 218,080
Fair value 1,591,665 1,167,106
Total fair value of assets 2,442,273 1,385,186
Warrant liabilities 29,461 104,878
Earnout Shares liability 86,942 156,692
EBITDA Earnout liability 14,696 13,424
Total fair value of liabilities 131,099 274,994
Money market funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 850,608 218,080
Common stock warrant liabilities (Public)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 11,248 56,392
Common stock warrant liabilities (Delta)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 18,213 48,486
Term deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 31,254 30,937
Asset backed securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 93,888 94,183
Government debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 1,152,967 641,172
Corporate debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 313,556 400,814
Level 1    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 850,608 218,080
Fair value 0 0
Total fair value of assets 850,608 218,080
Warrant liabilities 11,248 56,392
Earnout Shares liability 0 0
EBITDA Earnout liability 0 0
Total fair value of liabilities 11,248 56,392
Level 1 | Money market funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 850,608 218,080
Level 1 | Common stock warrant liabilities (Public)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 11,248 56,392
Level 1 | Common stock warrant liabilities (Delta)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 0 0
Level 1 | Term deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 1 | Asset backed securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 1 | Government debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 1 | Corporate debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 2    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Fair value 1,591,665 1,167,106
Total fair value of assets 1,591,665 1,167,106
Warrant liabilities 0 0
Earnout Shares liability 0 0
EBITDA Earnout liability 0 0
Total fair value of liabilities 0 0
Level 2 | Money market funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Level 2 | Common stock warrant liabilities (Public)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 0 0
Level 2 | Common stock warrant liabilities (Delta)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 0 0
Level 2 | Term deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 31,254 30,937
Level 2 | Asset backed securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 93,888 94,183
Level 2 | Government debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 1,152,967 641,172
Level 2 | Corporate debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 313,556 400,814
Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Fair value 0 0
Total fair value of assets 0 0
Warrant liabilities 18,213 48,486
Earnout Shares liability 86,942 156,692
EBITDA Earnout liability 14,696 13,424
Total fair value of liabilities 119,851 218,602
Level 3 | Money market funds    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash equivalents 0 0
Level 3 | Common stock warrant liabilities (Public)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 0 0
Level 3 | Common stock warrant liabilities (Delta)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Warrant liabilities 18,213 48,486
Level 3 | Term deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 3 | Asset backed securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 3 | Government debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value 0 0
Level 3 | Corporate debt securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value $ 0 $ 0