Long-Term Debt - Fair Value Assumptions (Details) - Level 3	Sep. 30, 2021 yr
Term | Discounted Cash Flow
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	10
Risk-free rate of return | Black-Scholes OPM
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	0.0150
Volatility | Black-Scholes OPM
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	0.4000
Dividend yield | Black-Scholes OPM
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	0.0000
DLOM | Black-Scholes OPM
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative liability, measurement input	0.2470