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Fair Value Measurements - Additional Information (Detail) - USD ($)
Mar. 31, 2024
Dec. 31, 2023
Fair Value Measurements, Recurring    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Liability measured and recognized at fair value $ 0 $ 0
Fair Value Measurements, Non-recurring    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Liability measured and recognized at fair value 0 0
Fair Value Measurements, Non-recurring | Fair Value, Level 3    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Privately-held investments measured at fair value $ 348,000 $ 348,000