Annual report pursuant to Section 13 and 15(d)

Stock - Based Compensation - Performance-based Stock Awards (Details)

v3.19.3.a.u2
Stock - Based Compensation - Performance-based Stock Awards (Details) - Performance Shares - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options, vested in period, fair value $ 400,000 $ 0 $ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Outstanding, beginning of the year (in shares) 100,037    
Granted (in shares) 35,887    
Vested (in shares) (57,938)    
Forfeited/Canceled (in shares) 0    
Outstanding, end of the year (in shares) 77,986 100,037  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]      
Outstanding, beginning balance (in dollars per share) $ 10.56    
Options granted, weighted average fair value (in dollars per share)   $ 15.72  
Options expected to vest, vested, grant date fair value (dollars per share)   9.58  
Forfeited/Canceled (in dollars per share)   0.00  
Outstanding, ending balance (in dollars per share) $ 13.66 $ 10.56  
Number of shares authorized (in shares) 4,284    
Nonvested award, option, cost not yet recognized, amount $ 200,000    
Nonvested award, cost not yet recognized, period for recognition 1 year 4 months 10 days    
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 0.00%    
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting rights, percentage 150.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]      
Outstanding, end of the year (in shares) 116,979