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Available-for-Sale Marketable Securities - Additional Information (Detail) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 USD ($) position | Dec. 31, 2023 USD ($) position
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale allowance for credit loss | $ | $ 0 | $ 0
Available-for-sale unrealized credit losses | $ | $ 0 | $ 0
Number of available-for-sale marketable securities in unrealized loss positions | 3 | 3
Total number of positions | 4 | 9
Number of positions of available-for-sale in unrealized loss position for 12 months or greater | 2 |
U.S. Treasury Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Number of available-for-sale marketable securities in unrealized loss positions | 1 |
Total number of positions | 1 |
U.S. Government Agency Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Number of available-for-sale marketable securities in unrealized loss positions | 2 |
Total number of positions | 2 |

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