Fair Value Considerations - Level 3 (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Ending Balance	$ 2,563
Common stock derivative option liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	176
Debt derivative liability
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Purchases	$ 2,387