Quarterly report pursuant to Section 13 or 15(d)

Cash, Cash Equivalents, Short-Term and Long-Term Investments - Additional Information (Detail)

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Cash, Cash Equivalents, Short-Term and Long-Term Investments - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Cash Cash Equivalents Short Term And Long Term Investments [Line Items]          
Interest income $ 11,200 $ 7,300 $ 30,200 $ 15,200  
Company owned life insurance contracts 130,470   130,470   $ 123,996
Life Insurance Contracts [Member]          
Cash Cash Equivalents Short Term And Long Term Investments [Line Items]          
Company owned life insurance contracts $ 67,400   $ 67,400   $ 53,400
Maximum [Member]          
Cash Cash Equivalents Short Term And Long Term Investments [Line Items]          
Long-term investments maturity period     2 years