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Short-Term and Long-Term Investments - Additional Information (Detail) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Unrealized Losses On Short Term And Long Term Investments [Line Items]    
Short Term Investments $ 19,949 $ 45,215
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 3,000
Period for which failed auction securities been in unrealized loss position exceeds 12 months  
Estimated Fair Value $ 2,552 $ 2,639