Subsequent Events - 2018 Stock Option and Incentive Plan (Details) - Subsequent Events - 2018 Plan |
Apr. 17, 2018
shares
|
|---|---|
| Share-based compensation | |
| Number of shares available for future issuance (in shares) | 6,075,051 |
| Percentage of increase in number of shares of common stock outstanding (as a percent) | 5.00% |