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Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	$ 51,624	$ 106,812
Unrealized Gains	295	948
Unrealized Losses	(1,926)	(1,247)
Fair Value	49,993	106,513
Mutual and money market funds
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	35,860	78,331
Unrealized Gains	293	813
Unrealized Losses	(1,059)	(1,046)
Fair Value	35,094	78,098
Corporate bonds
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	9,962	16,478
Unrealized Gains	1	94
Unrealized Losses	(560)	(93)
Fair Value	9,403	16,479
Government securities - U.S.
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	4,028	9,530
Unrealized Gains	1	39
Unrealized Losses	(263)	(98)
Fair Value	3,766	9,471
Other fixed-income securities
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	1,774	2,473
Unrealized Gains	0	2
Unrealized Losses	(44)	(10)
Fair Value	$ 1,730	$ 2,465

X

- 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).

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