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Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total share based compensation cost $ 1,978 $ 1,978 $ 1,978    
Compensation expense recognized     482 $ 368  
Share-based compensation expense not yet recognized $ 864 $ 864 $ 864 $ 797  
2010 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Capital shares reserved for future issuance (in shares)         400,000
Shares not issued (in shares)   215,513      
2010 Plan | Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grants during the period (in shares) 184,487        
Number of shares that remain restricted (in shares) 76,597 76,597 76,597    
2020 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Capital shares reserved for future issuance (in shares)         400,000
2020 Plan | Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Grants during the period (in shares) 5,750