Nature of the Business and Basis of Presentation (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended		12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Nature of the Business and Basis of Presentation
Net loss	$ 8,671	$ 14,346	$ 13,859	$ 20,156	$ 20,437	$ 18,973	$ 36,876	$ 59,566	$ 77,300
Accumulated deficit	250,115						250,115		$ 213,239
Cash, cash equivalents and marketable securities	$ 78,300						$ 78,300