Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Stock Options (Details)

v3.20.2
Stock-Based Compensation - Stock Options (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Feb. 05, 2020
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options exercised (in shares)     0 0 0 0
2011 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options granted in the period (in shares) 20,000 123,500        
Options granted in the period, weighted average exercise price (in dollars per share) $ 7.329 $ 12.995        
Award vesting percentage 33.00% 33.00%        
Grants in the period, weighted average grant date fair value (in dollars per share) $ 2.59 $ 4.53        
Risk free interest rate 0.64% 1.66%        
Expected term 10 years 10 years        
Expected volatility rate 38.70% 35.10%        
Expected dividend rate 1.89% 1.79%