Investments and Fair Value of Financial Instruments - Marketable Securities in an Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair Value	$ 102,878	$ 145,786
Less than 12 months: Gross Unrealized Losses	(3,060)	(686)
12 Months of more: Fair Value	25,835	0
12 months or more: Gross Unrealized Losses	(1,245)	0
Total: Fair Value	128,713	145,786
Total: Gross Unrealized Losses	(4,305)	(686)
Commercial paper
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair Value		16,977
Less than 12 months: Gross Unrealized Losses		(10)
12 Months of more: Fair Value		0
12 months or more: Gross Unrealized Losses		0
Total: Fair Value		16,977
Total: Gross Unrealized Losses		(10)
U.S. treasury
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair Value	13,908	14,387
Less than 12 months: Gross Unrealized Losses	(569)	(77)
12 Months of more: Fair Value	0	0
12 months or more: Gross Unrealized Losses	0	0
Total: Fair Value	13,908	14,387
Total: Gross Unrealized Losses	(569)	(77)
U.S. agency and government sponsored securities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair Value	2,866	6,985
Less than 12 months: Gross Unrealized Losses	(129)	(19)
12 Months of more: Fair Value	3,912	0
12 months or more: Gross Unrealized Losses	(94)	0
Total: Fair Value	6,778	6,985
Total: Gross Unrealized Losses	(223)	(19)
U.S. states and municipalities
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair Value	20,778	21,924
Less than 12 months: Gross Unrealized Losses	(467)	(89)
12 Months of more: Fair Value	5,803	0
12 months or more: Gross Unrealized Losses	(212)	0
Total: Fair Value	26,581	21,924
Total: Gross Unrealized Losses	(679)	(89)
Corporate bonds
Debt Securities, Available-for-sale [Line Items]
Less than 12 months: Fair Value	65,326	85,513
Less than 12 months: Gross Unrealized Losses	(1,895)	(491)
12 Months of more: Fair Value	16,120	0
12 months or more: Gross Unrealized Losses	(939)	0
Total: Fair Value	81,446	85,513
Total: Gross Unrealized Losses	$ (2,834)	$ (491)