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Stockholders' Equity - Summary of Certain Information With Respect to the Performance Share Awards (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum Potential Payout     $ 7,482    
Fair Value     5,968   $ 10,401
Accrual     5,467    
Expense $ 398 $ 1,211 1,123 $ 4,981  
Amended Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair Value 866        
Expense 402   2,600 1,207  
Performance Shares | Performance Shares Period1 | Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum Potential Payout     7,482    
Fair Value     5,968   4,829
Accrual     5,467    
Expense 398 547 1,123 2,433  
Performance Shares | Performance Shares Period2 | Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum Potential Payout     0    
Fair Value     0   $ 5,572
Accrual     0    
Expense 0 664 0 2,548  
Performance Shares | Performance Shares Period3 | Amended Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair Value 402        
Expense   402 1,206 1,207  
Performance Shares | Performance Shares Period4 | Amended Long Term Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Fair Value $ 464        
Expense   $ 0 $ 1,394 $ 0