Fair Value Measurements - Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Cash Equivalents and Marketable Securities
Amortized Cost	$ 45,988	$ 16,221
Gross Unrealized Losses	(644)	(8)
Total	45,344	16,213
Commercial paper
Cash Equivalents and Marketable Securities
Amortized Cost	10,722	10,244
Gross Unrealized Losses	(41)	(6)
Total	10,681	10,238
Corporate bonds
Cash Equivalents and Marketable Securities
Amortized Cost	23,027	5,977
Gross Unrealized Losses	(529)	(2)
Total	22,498	$ 5,975
U.S. Treasuries
Cash Equivalents and Marketable Securities
Amortized Cost	1,229
Gross Unrealized Losses	(4)
Total	1,225
U.S. Government Agencies
Cash Equivalents and Marketable Securities
Amortized Cost	11,010
Gross Unrealized Losses	(70)
Total	$ 10,940