Stock Option Plans (Stock Option Activity) (Details) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	3,780,939
Options granted (in shares) | shares	527,323
Options exercised (in shares) | shares	(91,394)
Options cancelled (in shares) | shares	(41,568)
Ending balance (in shares) | shares	4,175,300	3,780,939
Vested and exercisable (in shares) | shares	2,967,252
Vested and expect to vest (in shares) | shares	4,175,300
Weighted Average Exercise Price
Beginning balance (in USD per share) | $ / shares	$ 20.45
Options granted (in USD per share) | $ / shares	36.49
Options exercised (in USD per share) | $ / shares	5.36
Options cancelled (in USD per share) | $ / shares	40.68
Ending balance (in USD per share) | $ / shares	22.60	$ 20.45
Vested and exercisable (in USD per share) | $ / shares	15.99
Vested and expected to vest (in USD per share) | $ / shares	$ 22.60
Weighted Average Remaining Contractual Term (in Years)
Awards outstanding	6 years 8 months 8 days	6 years 8 months 15 days
Vested and exercisable	5 years 10 months 28 days
Vested and expected to vest	6 years 8 months 8 days
Aggregate Intrinsic Value (in thousands)
Awards outstanding | $	$ 69,573	$ 91,900
Vested and exercisable | $	65,856
Vested and expected to vest | $	$ 69,573