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Stock-Based Compensation - Options, Assumptions Under Black-Scholes (Details) - Executives
12 Months Ended
Dec. 31, 2021
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term 3 years 6 months
Annual dividend yield 0.00%
Forfeiture rate 0.00%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 75.45%
Risk-free interest rate 0.19%
Market value of common stock $ 12.86
Maximum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility 81.10%
Risk-free interest rate 1.15%
Market value of common stock $ 37.82