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Stock-Based Compensation - Management Incentive Plan Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
May 14, 2019
Share-based Payment Arrangement [Abstract]      
Number of shares authorized (in shares)     2,481,657
Compensation expense $ 1,500,000 $ 8,700,000  
Tax benefit from compensation expense 0 $ 0  
Unrecognized compensation cost $ 300,000    
Unrecognized compensation cost, period for recognition 1 year 4 months 24 days