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Marketable Securities - Summary of Investments (Details) $ in Thousands | Jun. 30, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Marketable securities available-for-sale |  |
Amortized Cost | $ 140,733 | $ 212,970
Gross Unrealized Gains | 15 |
Gross Unrealized Losses | (78) | (884)
Estimated Fair Value | 140,670 | 212,086
Aggregate fair value of marketable securities with unrealized gains (losses) position for less than a year | $ 85,000 | $ 212,100
Number of investments in an unrealized loss position for less than a year | security | 14 | 23
U.S. Treasury obligations |  |
Marketable securities available-for-sale |  |
Amortized Cost | $ 140,733 | $ 212,970
Gross Unrealized Gains | 15 |
Gross Unrealized Losses | (78) | (884)
Estimated Fair Value | $ 140,670 | $ 212,086

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