Stock-Based Compensation - Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Stock-based compensation
Total stock-based compensation expense	$ 1,350	$ 470	$ 2,304	$ 921
General and administrative
Stock-based compensation
Total stock-based compensation expense	1,030	470	1,818	921
Research and development
Stock-based compensation
Total stock-based compensation expense	$ 320	$ 0	$ 486	$ 0