Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	$ 48,325	$ 106,812
Unrealized Gains	220	948
Unrealized Losses	(2,785)	(1,247)
Fair Value	45,760	106,513
Mutual and money market funds
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	32,922	78,331
Unrealized Gains	220	813
Unrealized Losses	(1,661)	(1,046)
Fair Value	31,481	78,098
Corporate bonds
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	9,885	16,478
Unrealized Gains	0	94
Unrealized Losses	(707)	(93)
Fair Value	9,178	16,479
Government securities - U.S.
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	3,827	9,530
Unrealized Gains	0	39
Unrealized Losses	(369)	(98)
Fair Value	3,458	9,471
Other fixed-income securities
Debt Securities, Available-for-sale, Fair Value to Amortized Cost [Abstract]
Adjusted Cost	1,691	2,473
Unrealized Gains	0	2
Unrealized Losses	(48)	(10)
Fair Value	$ 1,643	$ 2,465

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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