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Stock-Based Compensation - Summary of RSU Activity (Detail)
shares in Thousands
 9 Months Ended
Sep. 30, 2025
$ / shares
shares
Restricted Stock Units (RSUs)  
Units Outstanding  
Unvested and outstanding, beginning balance (in shares) | shares 65,236
Granted (in shares) | shares 4,976
Vested and converted to shares (in shares) | shares (19,893)
Canceled (in shares) | shares (2,730)
Unvested and outstanding, ending balance (in shares) | shares 47,589
Weighted Average Grant Date Fair Value per Share  
Unvested and outstanding, beginning balance (in dollars per share) | $ / shares $ 14.89
Granted (in dollars per share) | $ / shares 129.64
Vested and converted to shares (in dollars per share) | $ / shares 18.57
Canceled and forfeited (in dollars per share) | $ / shares 25.08
Unvested and outstanding, ending balance (in dollars per share) | $ / shares $ 24.76
Performance-Based RSUs (P-RSUs)  
Units Outstanding  
Unvested and outstanding, beginning balance (in shares) | shares 577
Granted (in shares) | shares 695
Vested and converted to shares (in shares) | shares (1,047)
Canceled (in shares) | shares (18)
Adjustment for performance achievement (in shares) | shares (74)
Unvested and outstanding, ending balance (in shares) | shares 133
Weighted Average Grant Date Fair Value per Share  
Unvested and outstanding, beginning balance (in dollars per share) | $ / shares $ 41.93
Granted (in dollars per share) | $ / shares 93.75
Vested and converted to shares (in dollars per share) | $ / shares 59.29
Canceled and forfeited (in dollars per share) | $ / shares 93.98
Adjustment for performance achievement (in dollars per share) | $ / shares 68.14
Unvested and outstanding, ending balance (in dollars per share) | $ / shares $ 154.86