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Stock-Based Compensation - Weighted Average Fair Value Assumptions (Details) - Stock options
3 Months Ended
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected term (in years) 5 years 9 months 7 days
Expected volatility 58.87%
Risk-free interest rate 0.83%
Expected dividend yield 0.00%