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Stock-Based Compensation - Restricted Stock Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2020
Dec. 31, 2019
Restricted stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares)   0  
Restricted stock | Members of management      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares) 533,160    
Vesting period 3 years    
Restricted Stock Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Total fair value of share-based awards vested   $ 100 $ 300
Performance shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted (in shares)   0  
Fair value of units vested   $ 22 $ 1,000