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Long-Term Investments - Additional Information (Detail) - USD ($)
6 Months Ended
Jun. 30, 2024
Dec. 31, 2023
Unrealized Losses On Short Term And Long Term Investments [Line Items]    
Minimum period for which failed auction securities been in unrealized loss position 12 months  
Failed Auction Security [Member]    
Unrealized Losses On Short Term And Long Term Investments [Line Items]    
Amortized cost of securities $ 3,000,000 $ 3,000,000
Period for which failed auction securities been in unrealized loss position exceeds 12 months  
Estimated Fair Value $ 2,600,000 $ 2,530,000