Net Loss Per Share - Weighted Average Shares (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
Dec. 31, 2019 |
|
| Numerator: | |||
| Net Loss | $ (48,486) | $ (32,581) | $ 163,500 |
| Denominator: | |||
| Weighted average common shares outstanding, basic and diluted | 80,271,848 | 77,544,089 | |
| Net loss per share, basic and diluted | $ (0.60) | $ (0.42) | |