Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Details)

v3.21.2
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation expense $ 8.0    
Shares issued for exercise of options and warrants (in shares) 0 120,000  
Weighted average exercise price (in dollars per share) $ 13.70   $ 13.25
Warrants exercised (in shares) 474,506 273,900  
Proceeds from warrants exercised $ 4.8 $ 2.6  
Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise price of warrants exercised (in dollars per share) $ 9.00 $ 9.00  
Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise price of warrants exercised (in dollars per share) $ 11.00 $ 11.00  
APC Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase price adjustment from Merger   $ 0.3  
Board members      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options, grants in period (in shares) 24,437    
Weighted average exercise price (in dollars per share) $ 23.24    
Stock options | Board members      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 2 years    
Restricted stock awards      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted stock awards granted (in shares) 150,130    
Weighted average grant date fair value (in dollars per share) $ 24.16    
Grant date fair value of restricted stock to be recognized straight-line $ 3.6    
Restricted stock awards | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 1 year    
Restricted stock awards | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years