Net Loss Per Common Share Data - Schedule of Securities Excluded from Calculation of Diluted Net Loss Per Share (Details) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2019 |
Jun. 30, 2020 |
Jun. 30, 2019 |
|
| Stock options | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Anti-dilutive equity awards (in shares) | 6,898,127 | 7,547,855 | 7,031,000 | 7,588,267 |
| Restricted stock units | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Anti-dilutive equity awards (in shares) | 562,380 | 388,169 | 600,705 | 262,561 |
| Performance based stock units | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Anti-dilutive equity awards (in shares) | 223,347 | 0 | 248,161 | 0 |