Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stock-based compensation
Stock options granted (in shares)	7,075,000	2,900,000	28,075,000	12,100,000
Vesting period	4 years	4 years	4 years	4 years
Expiration period	10 years	10 years	10 years	10 years
Sharebased Payment Arrangement Expense	$ 1,920	$ 1,438	$ 6,452	$ 4,503