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Financial Instruments and Fair Value Measurements - Additional Information (Detail)
3 Months Ended
Dec. 31, 2022
Minimum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Maturity period of short-term investments at the time of purchase 3 months
Maximum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Maturity period of short-term investments at the time of purchase 1 year