Stockholders' Equity and Stock-based Compensation Expense - Activity Of Options Outstanding Under the 2019 Plans (Details) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Shares Available for Grant
Beginning balance (in shares)	947,347
Additional shares reserved (in shares)	600,000
Options granted (in shares)	(278,903)
Stock awards canceled (in shares)	123,151
Options canceled / forfeited / expired (in shares)	(18,033)
Ending balance (in shares)	1,058,894	947,347
Number of Stock Options Outstanding
Beginning balance (in shares)	287,175
Options granted (in shares)	278,903
Options exercised (in shares)	(27,023)
Options canceled / forfeited / expired (in shares)	(18,033)
Ending balance (in shares)	521,022	287,175
Weighted- Average Exercise Price
Beginning balance (in dollars per share)	$ 25.89
Granted (in dollars per share)	40.87
Options exercised (in dollars per share)	23.09
Options canceled / forfeited / expired (in dollars per share)	39.94
Ending balance (in dollars per share)	$ 33.57	$ 25.89
Weighted Average Remaining Term (in Years)
Weighted average remaining term (in years)	6 years 9 months 3 days	4 years 11 months 1 day
RSUs
Shares Available for Grant
Awards granted (in shares)	(184,313)
PSUs
Shares Available for Grant
Awards granted (in shares)	(166,421)