XML 97 R86.htm IDEA: XBRL DOCUMENT v3.21.1
Stock Based Compensation - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2019
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Non-vested shares (in shares)   1,994,972 1,603,766 1,603,766 837,123
Forfeited (in shares)   9,997 0    
Unrecognized compensation cost   $ 8.4 $ 8.9    
Unrecognized compensation cost, period for recognition   2 years 1 month 6 days      
Fair value of vested shares   $ 2.1 $ 1.8    
Shares vested (in shares)   538,243 287,611    
PSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Non-vested shares (in shares)   3,623,132 2,902,014 2,902,014 2,018,518
Fair value of vested shares   $ 3.7      
Fair value, expected term   3 years      
Fair value, expected term for volatility rate   3 years      
Shares vested (in shares)   974,074      
RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Non-vested shares (in shares)   1,076,447 441,746 441,746 0
Fair value of vested shares   $ 0.5      
Requisite service period   3 years      
Shares vested (in shares)   147,254 0    
2017 Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Increase the shares reserved (in shares) 7,600,000        
Maximum number of shares that may be issued (in shares)   13,170,000      
Shares available for grant (in shares)   1,060,701   5,540,536  
2017 Incentive Plan | Director          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued (in shares)   507,821   507,821  
2017 Incentive Plan | Employee          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued (in shares)   2,810,829      
2017 Incentive Plan | Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Non-vested shares (in shares)   1,994,972   1,603,766  
Shares available for grant (in shares)       4,798,517  
Shares issued (in shares)       1,881,380  
Share-based compensation expense   $ 1.1 $ 0.9    
2017 Incentive Plan | PSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for grant (in shares)   6,592,874      
Share-based compensation expense   $ 1.4 1.2    
Unrecognized compensation cost   $ 12.9   $ 9.5  
Unrecognized compensation cost, period for recognition   2 years 3 months 18 days      
Award vesting period   3 years      
2017 Incentive Plan | PSUs | Relative TSR Performance is Less Than the 30th Percentile          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting rights, percentage   0.00%      
2017 Incentive Plan | PSUs | Relative TSR Performance is Equal to the 50th Percentile          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting rights, percentage   100.00%      
2017 Incentive Plan | RSUs          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares available for grant (in shares)   1,076,447   441,746  
Share-based compensation expense   $ 0.4 0.2    
Unrecognized compensation cost   $ 4.3 $ 2.5    
Unrecognized compensation cost, period for recognition   2 years 4 months 24 days      
2010 Stock Incentive Plan | Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Non-vested shares (in shares)   0