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Stock-Based Compensation - Weighted Average Assumptions for Stock Option Awards Granted to Employees and Directors Under the Plans (Details) - $ / shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Incentive Plan      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Expected Life in Years 5 years 8 months 12 days 5 years 6 months 5 years 6 months
Expected Volatility 82.50% 84.20% 84.20%
Expected Dividend Yield 0.00% 0.00% 0.00%
Risk-Free Interest Rate 3.90% 3.60% 1.10%
Options, grants in period, weighted average grant date fair value (in dollars per share) $ 4.75 $ 7.57 $ 7.93
Inducement Plan      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Expected Life in Years 5 years 7 months 6 days 5 years 6 months 5 years 6 months
Expected Volatility 83.50% 84.20% 84.20%
Expected Dividend Yield 0.00% 0.00% 0.00%
Risk-Free Interest Rate 4.00% 3.20% 0.90%
Options, grants in period, weighted average grant date fair value (in dollars per share) $ 5.79 $ 9.54 $ 9.65