v3.25.2
Stock-based compensation - Summary of Shares Issued for Business Combinations Activities (Detail) - $ / shares
 6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Dec. 31, 2023
Shares Issued for Business Combinations Activities [Line Items]      
Number of Stock Options - Beginning balance 22,751,000 24,453,000 25,211,000
Number of Shares - Shares vested (1,035,000) (3,720,000) (5,580,000)
Number of Shares - Shares issued   0 1,730,000
Number of Shares - Shares forfeited (93,000) (481,000) (1,498,000)
Number of Stock Options - Ending balance 20,703,000 22,751,000 24,453,000
Weighted Average Exercise Price - Beginning balance $ 8.48 $ 8.26 $ 6.69
Weighted- Average Grant Date Fair Value - Shares vested 19.2 14.87 8.99
Weighted- Average Grant Date Fair Value - Shares issued     28.68
Weighted- Average Grant Date Fair Value - Shares forfeited 20.62 15.34 10.19
Weighted Average Exercise Price - Ending balance $ 8.9 $ 8.48 $ 8.26
Business Combination Shares [Member]      
Shares Issued for Business Combinations Activities [Line Items]      
Number of Stock Options - Beginning balance 548,000 2,036,000 2,952,000
Number of Shares - Shares vested   (1,445,000) (874,000)
Number of Shares - Shares issued 1,473,000    
Number of Shares - Shares forfeited (6,000) (43,000) (42,000)
Number of Stock Options - Ending balance 2,015,000 548,000 2,036,000
Weighted Average Exercise Price - Beginning balance $ 47.82 $ 47.82 $ 47.82
Weighted- Average Grant Date Fair Value - Shares vested   47.82 47.82
Weighted- Average Grant Date Fair Value - Shares issued 31.16    
Weighted- Average Grant Date Fair Value - Shares forfeited 47.82 47.82 47.82
Weighted Average Exercise Price - Ending balance $ 35.64 $ 47.82 $ 47.82