v3.26.1
Cash, Cash Equivalents and Marketable Securities - Summary of Gross Unrealized Holding Losses and Fair Value for Investments in an Unrealized Loss Position (Detail) - USD ($)
$ in Thousands
Aug. 01, 2026
Jan. 31, 2026
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less Than 12 Months $ 18,013 $ 121
Fair Value, 12 Months or Greater 9,397 12,419
Fair Value, Total 27,410 12,540
Unrealized Losses, Less Than 12 Months (39) (4)
Unrealized Losses, 12 Months or Greater (1,697) (1,672)
Unrealized Losses, Total (1,736) (1,676)
U.S. Treasury and Government Agency Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less Than 12 Months 9,036 121
Fair Value, 12 Months or Greater 9,397 10,430
Fair Value, Total 18,433 10,551
Unrealized Losses, Less Than 12 Months (20) (4)
Unrealized Losses, 12 Months or Greater (1,697) (1,661)
Unrealized Losses, Total (1,717) (1,665)
Corporate Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Fair Value, Less Than 12 Months 8,977  
Fair Value, 12 Months or Greater 0 1,989
Fair Value, Total 8,977 1,989
Unrealized Losses, Less Than 12 Months (19)  
Unrealized Losses, 12 Months or Greater 0 (11)
Unrealized Losses, Total $ (19) $ (11)