Stock-Based Compensation (Summary of Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2022
Number of Options
Outstanding as of Beginning of period (in shares)	2,749,441
Granted (in shares)	1,406,783
Cancelled / Forfeited (in shares)	(310,780)
Exercised (in shares)	(121,945)
Balance as of End of period (in shares)	3,723,499
Options exercisable as of September 30, 2022 (in shares)	1,547,838
Weighted Average Exercise Price
Outstanding as of Beginning of period (in dollars per share)	$ 7.93
Granted (in dollars per share)	7.87
Cancelled / Forfeited (in dollars per share)	7.56
Exercised (in dollars per share)	0.67
Balance as of End of period (in dollars per share)	8.17
Options exercisable as of September 30, 2022 (in dollars per share)	$ 5.96
Aggregate Intrinsic Value
Aggregate intrinsic value	$ 10,623
Options exercisable as of September 30, 2022	$ 7,581
Weighted average remaining contractual term, outstanding (in years)	8 years
Weighted average remaining contractual life, exercisable (in years)	6 years 8 months 12 days
Options not granted under the 2001 or 2021 Plans
Number of Options
Balance as of End of period (in shares)	8,796