Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation Plan (Schedule of Restricted Shares) (Details)

v3.20.4
Stock-Based Compensation Plan (Schedule of Restricted Shares) (Details) - Restricted Stock [Member] - $ / shares
12 Months Ended
Aug. 27, 2020
Jan. 07, 2019
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued     600 600
Exercise Price Range One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued 100      
Stock Price Target $ 15.00      
Grant price $ 12.72      
Dividend yield 0.79%      
Expected Volatility 41.10%      
Risk-free interest rate 0.19%      
Weighted average fair value $ 9.91      
Exercise Price Range Two [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number issued   500    
Stock Price Target   $ 15.00    
Grant price   $ 10.21    
Dividend yield   0.00%    
Expected Volatility   42.40%    
Risk-free interest rate   2.53%    
Weighted average fair value   $ 7.92    
Minimum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term (years)     4 years 3 months 10 days  
Minimum [Member] | Exercise Price Range One [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term (years)     6 months 7 days  
Maximum [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected term (years)     5 years 3 months 10 days