Stock-Based Compensation - Employee Stock Purchase Plan (Details) - Employee Stock - USD ($) |
1 Months Ended | 3 Months Ended |
|---|---|---|
Aug. 31, 2017 |
Jun. 30, 2021 |
|
| Stock-Based Compensation | ||
| Number of shares of common stock reserved for issuance (in shares) | 7,000 | 57,000 |
| Increase in common stock available under the plan | 50,000 | |
| Maximum amount that can be contributed by the employee | $ 25,000 | |
| Maximum percentage of regular compensation that can be contributed by the employee | 15.00% | |
| Percentage of the fair market value of common stock on the last day of the purchase right period | 95.00% |
| X | ||||||||||
- Definition Represents the maximum amount that can be contributed by the employee during the purchase right period. No definition available.
|
| X | ||||||||||
- Definition Represents the maximum percentage of regular compensation that can be contributed by the employee during the purchase right period. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Number of additional shares authorized for issuance under share-based payment arrangement. No definition available.
|
| X | ||||||||||
- Definition Number of shares authorized for issuance under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Purchase price of common stock expressed as a percentage of its fair value. No definition available.
|
| X | ||||||||||
- Details
|