Stock-Based Compensation - Stock-Based Compensation Expense Included in Each Respective Expense Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
All Plans, Excluding Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 11,345	$ 9,505
Restricted Stock | Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	18,617	0
Research and development | All Plans, Excluding Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	4,001	941
Research and development | Restricted Stock | Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	7,613	0
Sales and marketing | All Plans, Excluding Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	1,185	387
Sales and marketing | Restricted Stock | Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	2,310	0
General and administrative | All Plans, Excluding Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	6,159	8,177
General and administrative | Restricted Stock | Deferred Salary And Bonuses Settlement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 8,694	$ 0