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Fair Value Measurements - Quantitative Inputs and Assumptions Used for Equity Warrants (Details) - Warrant - Fair Value, Measurements, Recurring - Level 3
3 Months Ended
Mar. 31, 2021
Weighted Average  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Equity Warrants, Measurement Input, Remaining Life 2 years 10 months 28 days [1]
Minimum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Equity Warrants, Measurement Input, Remaining Life 29 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 23 days
Measurement Input, Price Volatility | Weighted Average  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Volatility 0.301 [1]
Measurement Input, Price Volatility | Minimum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Volatility 0.244
Measurement Input, Price Volatility | Maximum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Volatility 1.591
Measurement Input, Risk Free Interest Rate | Weighted Average  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Volatility 0.004 [1]
Measurement Input, Risk Free Interest Rate | Minimum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Volatility 0.000
Measurement Input, Risk Free Interest Rate | Maximum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Volatility 0.009
[1] Unobservable inputs for equity warrants were weighted by the relative fair values of the instruments.