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Stock-Based Compensation - Fair Value Assumptions (Details) - $ / shares
9 Months Ended
Sep. 30, 2021
Jul. 21, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock price (USD per share)   $ 10
SARs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 50.00%  
Stock price (USD per share) $ 8.30  
Strike Price (USD per share) $ 8.30  
Expected life of the warrants to convert (years) 6 years 3 months  
Risk-free rate 1.20%  
Dividend yield 0.00%