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Investments and Fair Value of Financial Instruments - Gains and Losses of Marketable Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 90,733	$ 122,259
Gross Unrealized Gains	30	70
Gross Unrealized Losses	(403)	(628)
Allowance for Credit Loss	0	0
Fair Value	90,360	121,701
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	31,449	39,727
Gross Unrealized Gains	7	32
Gross Unrealized Losses	(11)	(3)
Allowance for Credit Loss	0	0
Fair Value	31,445	39,756
Certificate of Deposit
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	4,632	6,392
Gross Unrealized Gains	4	9
Gross Unrealized Losses	0	0
Allowance for Credit Loss	0	0
Fair Value	4,636	6,401
U.S. treasury
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	13,210	10,226
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(142)	(160)
Allowance for Credit Loss	0	0
Fair Value	13,068	10,066
U.S. states and municipalities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	900	2,950
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(9)	(35)
Allowance for Credit Loss	0	0
Fair Value	891	2,915
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	40,542	62,964
Gross Unrealized Gains	19	29
Gross Unrealized Losses	(241)	(430)
Allowance for Credit Loss	0	0
Fair Value	40,320	$ 62,563
Non-marketable investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,000
Gross Unrealized Gains	0
Gross Unrealized Losses	0
Allowance for Credit Loss	0
Fair Value	10,000
Marketable And Non-Marketable Investments
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	100,733
Gross Unrealized Gains	30
Gross Unrealized Losses	(403)
Allowance for Credit Loss	0
Fair Value	$ 100,360

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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).

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