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Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2021
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation       $ 1,800 $ 1,842
Expected cost on shares expected to vest   $ 3,647   $ 3,647  
Recognition period for compensation expense not yet recognized       3 years 4 months 24 days  
Director          
Share-based Compensation Arrangement by Share-based Payment Award          
Deferred receipt period       6 months  
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation   587 $ 604    
Restricted Stock | Vesting period one          
Share-based Compensation Arrangement by Share-based Payment Award          
Vesting period       3 years  
Restricted Stock | Vesting period two | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award          
Vesting period       1 year  
Performance Share Units          
Share-based Compensation Arrangement by Share-based Payment Award          
Stock-based compensation   $ 587 $ 604    
Vesting period       3 years  
Performance Share Units | Executive Officer          
Share-based Compensation Arrangement by Share-based Payment Award          
Vesting period 5 years        
Stock price threshold, period 30 days