Stock-Based Compensation - Employee and Director Stock Option Activity (Details) - Employees, Directors and Consultants	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	3,618,145
Granted (in shares) | shares	332,296
Forfeited (in shares) | shares	(444,972)
Ending balance (in shares) | shares	3,505,469
Vested (in shares) | shares	1,089,599
Exercisable (in shares) | shares	1,089,599
Weighted Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 13.55
Granted (in dollars per share) | $ / shares	8.72
Forfeited (in dollars per share) | $ / shares	16.28
Ending balance (in dollars per share) | $ / shares	12.74
Vested (in dollars per share) | $ / shares	14.19
Exercisable (in dollars per share) | $ / shares	$ 14.19