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Short-Term Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 159,472	$ 158,158
Gross Unrealized Gain	14	28
Estimated Fair Value	159,486	158,186
U.S. government securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	158,942	157,628
Gross Unrealized Gain	14	28
Estimated Fair Value	158,956	157,656
Certificates of deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	530	530
Gross Unrealized Gain	0	0
Estimated Fair Value	$ 530	$ 530

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- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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