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Schedule of Fair Value of Financial Assets and Liabilities Measured on Recurring Basis (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities $ 110,668 $ 132,456
U.S. Treasury Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 40,563 41,808
Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 35,041 52,734
Certificates of Deposit and Time Deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 21,688 21,772
Debt Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 8,704 8,773
U.S. Government Agency Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 3,905 4,892
Commercial Paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0 1,667
Non-U.S. Government Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 767 810
Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total 584,281 937,159
Derivative assets 2,067 18,746
Total 586,348 955,905
Derivative liabilities 1,352 2,545
Total 1,352 2,545
Fair Value, Measurements, Recurring | Cash    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 199,227 298,156
Fair Value, Measurements, Recurring | Cash Equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 222,677 459,415
Fair Value, Measurements, Recurring | U.S. Treasury Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 40,563 41,808
Fair Value, Measurements, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 35,041 52,734
Fair Value, Measurements, Recurring | Certificates of Deposit and Time Deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 21,688 21,772
Fair Value, Measurements, Recurring | Debt Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 8,704 8,773
Fair Value, Measurements, Recurring | U.S. Government Agency Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 3,905 4,892
Fair Value, Measurements, Recurring | Commercial Paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0 1,667
Fair Value, Measurements, Recurring | Non-U.S. Government Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 767 810
Fair Value, Measurements, Recurring | Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale equity securities 51,709 47,132
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total 479,306 807,359
Derivative assets 0 0
Total 479,306 807,359
Derivative liabilities 0 0
Total 0 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Cash    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 199,227 298,156
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Cash Equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 219,666 453,298
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | U.S. Treasury Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Certificates of Deposit and Time Deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Debt Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 8,704 8,773
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | U.S. Government Agency Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Commercial Paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Non-U.S. Government Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Quoted Prices in Active Markets for Identical Instruments (Level 1) | Fair Value, Measurements, Recurring | Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale equity securities 51,709 47,132
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total 104,975 129,800
Derivative assets 2,067 18,746
Total 107,042 148,546
Derivative liabilities 1,352 2,545
Total 1,352 2,545
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Cash    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 0 0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Cash Equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 3,011 6,117
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | U.S. Treasury Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 40,563 41,808
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 35,041 52,734
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Certificates of Deposit and Time Deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 21,688 21,772
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Debt Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | U.S. Government Agency Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 3,905 4,892
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Commercial Paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0 1,667
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Non-U.S. Government Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 767 810
Significant Other Observable Inputs (Level 2) | Fair Value, Measurements, Recurring | Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale equity securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Total 0
Derivative assets 0 0
Total 0 0
Derivative liabilities 0 0
Total 0 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Cash    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 0 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Cash Equivalents    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Cash and cash equivalents 0 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | U.S. Treasury Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Corporate Debt Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Certificates of Deposit and Time Deposits    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Debt Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | U.S. Government Agency Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Commercial Paper    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Non-U.S. Government Securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale securities 0
Significant Unobservable Inputs (Level 3) | Fair Value, Measurements, Recurring | Mutual Funds    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis    
Available for sale equity securities $ 0