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Stockholders' Equity - Summary of Certain Information with Respect to the Performance Share Awards (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum Potential Payout   $ 7,482    
Amended Long Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Fair Value $ 10,401      
Expense   3,467 $ 1,610 $ 0
Performance Shares | Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Fair Value   7,482    
Accrual   7,482    
Expense   3,138 6,425 7,063
Performance Shares | January 1, 2018 - December 31, 2020 | Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum Potential Payout   7,482    
Fair Value   7,482    
Accrual   7,482    
Expense   3,138 3,208 1,135
Performance Shares | January 1, 2017 - December 31, 2019 | Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum Potential Payout   0    
Fair Value   0    
Accrual   0    
Expense   0 3,217 2,540
Performance Shares | January 1, 2019 - December 31, 2021        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expense     0 3,388
Performance Shares | January 1, 2019 - December 31, 2021 | Long-Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Maximum Potential Payout   0    
Fair Value   0    
Accrual   0    
Expense   0    
Performance Shares | January 1, 2019 - December 31, 2021 | Amended Long Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Fair Value 4,829      
Expense   1,610 1,610 0
Performance Shares | January 1, 2020 - December 31, 2022 | Amended Long Term Incentive Plan        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Fair Value $ 5,572      
Expense   $ 1,857 $ 0 $ 0