Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Stock Incentive Plans and Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jan. 01, 2021	Mar. 31, 2021	Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, nonvested (in shares)		53,676
Unrecognized compensation cost related to options		$ 55,441
Unrecognized compensation expense, period for recognition		3 years 3 months 18 days
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued during period (in shares)		70,711
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, weighted average grant date fair value (in dollars per share)		$ 44.83	$ 17.32
2019 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in number of shares authorized for issuance (in shares)	1,240,624
Number of shares available for issuance (in shares)		1,615,096
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, weighted average grant date fair value (in dollars per share)		$ 39.26	$ 12.70
Employee stock purchase plan \| Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase in number of shares authorized for issuance (in shares)	248,124
Number of shares available for issuance (in shares)		679,203