v3.26.1
Stock-Based Compensation - Schedule of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Share-Based Payment Arrangement [Abstract]    
Number of Shares, Beginning Balance 5,991,343  
Number of Shares, Granted 1,926,500  
Number of Shares, Exercised (753,075)  
Number of Shares, Forfeited (111,729)  
Number of Shares, Ending Balance 7,053,039 5,991,343
Number of Shares, Options exercisable at March 31, 2026 2,061,596  
Number of Shares, options unvested at March 31, 2026 4,991,443  
Weighted-Average Exercise Price, Outstanding, Beginning balance $ 20.14  
Weighted-Average Exercise Price, Granted 52.54  
Weighted-Average Exercise Price, Exercised 14.31  
Weighted-Average Exercise Price, Forfeited 22.52  
Weighted-Average Exercise Price, Outstanding, Ending balance 29.57 $ 20.14
Weighted-Average Exercise Price, Options exercisable as of March 31, 2026 19.84  
Weighted-Average Exercise Price, Options unvested as of March 31, 2026 $ 33.59  
Weighted Average Remaining Contractual Term 8 years 7 months 6 days 8 years 3 months 18 days
Weighted Average Remaining Contractual Term, Options exercisable as of March 31, 2026 7 years 8 months 12 days  
Weighted Average Remaining Contractual Term, Options unvested as of March 31, 2026 9 years  
Aggregate Intrinsic Value, Beginning Balance $ 127,547  
Aggregate Intrinsic Value, Granted 60,463  
Aggregate Intrinsic Value, Exercised 46,293  
Aggregate Intrinsic Value, Forfeited 3,077  
Aggregate Intrinsic Value, Ending Balance 384,137 $ 127,547
Aggregate Intrinsic Value, Options exercisable at March 31, 2026 132,927  
Aggregate Intrinsic Value, Options unvested at March 31, 2026 $ 251,210