Employee Stock Purchase Plan (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award
Shares available for grant	4,900,000
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award
Maximum Employee Subscription Rate	15.00%
Maximum Number of Shares Per Employee	2,500
Maximum Employee Subscription Value	$ 25
Purchase Price of Common Stock, Percent	85.00%
Issuance of common stock under Employee Stock Purchase Plan (Shares)	65,634	252,665
Proceeds, Issuance of Shares, Share-based Payment Arrangement, Excluding Option Exercised	$ 1,600	$ 1,300

Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Value

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- Definition

Amount of cash inflow from issuance of shares under share-based payment arrangement. Excludes option exercised.

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The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

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The highest quantity of shares an employee can purchase under the plan per period.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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