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Equity Awards and Instruments - Restricted Stock and Restricted Stock Units Narrative (Details) - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Restricted Stock | 2020 Incentive Award Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 0 12,454  
Grant date fair value (USD per share) $ 10.84    
Performance Based Restricted Stock Units (RSUs), 2016 | Performance-Based Vesting      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Earned through dividends in period (in shares) 23 211  
Performance Based Restricted Stock Units (RSUs), 2016 | 2020 Incentive Award Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares)   0  
Unrecognized compensation cost, excluding options $ 2,043,000    
Cost not yet recognized, period for recognition 6 months    
Performance Based Restricted Stock Units (RSUs), 2016 | 2020 Incentive Award Plan | Performance-Based Vesting      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Delivered in period (in shares) 10,864 9,830  
Shares outstanding (in shares) 20,199   31,040
Restricted Stock Units (RSUs) | 2020 Incentive Award Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares)   0  
Restricted Stock And Restricted Stock Units (RSUs) | 2020 Incentive Award Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 602,616    
Shares outstanding (in shares) 1,836,964   1,423,715
Shares withheld for tax withholding obligation (in shares) 14,869 11,942  
Share-based compensation tax withholding payment $ 708,000 $ 120,000  
Time-Based Restricted Stock and Restricted Stock Units (RSUs) | 2020 Incentive Award Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 502,808    
Grant date fair value (USD per share) $ 49.85    
Shares outstanding (in shares) 1,737,156   1,263,193
Unrecognized compensation cost, excluding options $ 41,102,000    
Cost not yet recognized, period for recognition 3 years 6 months    
Performance Based Restricted Stock And Restricted Stock Units (RSUs) | 2020 Incentive Award Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 99,808    
Grant date fair value (USD per share) $ 49.93    
Shares outstanding (in shares) 99,808   160,522
Unrecognized compensation cost, excluding options $ 0