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Stock Based Compensation - Stock Option Valuation (Details) - Stock Options
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Assumptions used to determine the fair value of stock options granted    
Risk-free interest rate (as percentage) 2.20% 1.15%
Expected volatility (as percentage) 71.00% 73.00%
Expected dividend yield (as percentage) 0.00% 0.00%
Expected term (in years) 6 years 14 days 6 years 3 days