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Available-for-sale Securities and Fair Value on Financial Instruments - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items] |  |  |
Credit losses recognized | $ 0 | $ 0 | $ 0
Gross realized losses from the sale or maturity of available-for-sale investments | 100,000 | 100,000 | 0
Maximum |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |
Gross realized gains from the sale or maturity of available-for-sale investments | $ 100,000 | $ 100,000 | $ 100,000

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