Fair Value Measurements - Quantitative Inputs and Assumptions Used for Equity Warrants (Details) - Warrant - Fair Value, Measurements, Recurring - Level 3	6 Months Ended
	Jun. 30, 2020
Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Warrants, Measurement Input, Remaining Life	2 years 11 months 23 days	[1]
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Warrants, Measurement Input, Remaining Life	1 month 6 days
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Warrants, Measurement Input, Remaining Life	4 years 11 months 19 days
Measurement Input, Price Volatility | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility	0.284	[1]
Measurement Input, Price Volatility | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility	23.4
Measurement Input, Price Volatility | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility	147.4
Measurement Input, Risk Free Interest Rate | Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility	0.002	[1]
Measurement Input, Risk Free Interest Rate | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility	0.1
Measurement Input, Risk Free Interest Rate | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Volatility	0.3

[1] Unobservable inputs for equity warrants were weighted by the relative fair values of the instruments.