Fair Value Measurement - Convertible Note (Details) - Convertible Note, at fair value |
3 Months Ended |
|---|---|
|
Mar. 31, 2020
USD ($)
| |
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |
| Fair value, liability, beginning balance | $ 39,020,000 |
| Conversion of Convertible Note into common stock | (4,335,557) |
| Change in fair value for the period | (5,994,443) |
| Fair value option, gain (loss) related to change in fair value | (11,400,000) |
| Fair value, liability, ending balance | 27,590,000 |
| Credit Risk | |
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |
| Fair value option, gain (loss) related to change in fair value | $ 1,100,000 |