Annual report pursuant to Section 13 and 15(d)

Related Party Transactions with Officers and Directors (Details)

v3.20.4
Related Party Transactions with Officers and Directors (Details)
1 Months Ended 12 Months Ended
Nov. 17, 2020
USD ($)
Aug. 13, 2018
$ / shares
shares
Sep. 27, 2015
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
tranche
$ / shares
shares
Dec. 31, 2020
USD ($)
CEO            
Employment agreement term 1 year         5 years
Officers' Compensation $ 1,500,000         $ 1,250,000
Annual target cash bonus 100.00%         100.00%
Percentage of base salary which can be paid as maximum bonus 240.00%          
CEO | Liberty            
Employment agreement term         5 years  
Annual base salary         $ 3,000,000  
One-time cash commitment bonus         5,000,000  
Annual target cash performance bonus         17,000,000  
Equity award aggregate grant date fair value         $ 90,000,000  
Number of equal tranches at which award is granted | tranche         2  
Restricted Stock Units (RSUs) | CEO            
Officers' Compensation           $ 4,125,000
Performance Shares | CEO            
Grants in period | shares   182,983        
Vested in period | shares   152,825        
Target value of equity awards entitled to be received $ 5,500,000          
Performance Shares | Maximum | CEO            
Target value of equity awards entitled to be received 8,300,000          
Time-based RSUs | CEO            
Target value of equity awards entitled to be received $ 5,500,000          
Time-vested options and/or performance-based RSUs | CEO | Liberty            
Aggregate grant date fair value           $ 17,500,000
Stock Option | CEO            
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   7 years        
Options granted | shares   577,358 1,680,065      
Option exercise price | $ / shares   $ 22.18 $ 26.00      
Stock Option | CEO | December 15, 2019            
Award Vesting Period Percentage   50.00% 50.00%      
Stock Option | CEO | December 15, 2020            
Award Vesting Period Percentage   50.00% 50.00%      
2019 term awards | CEO | Liberty            
Aggregate grant date fair value         $ 8,550,000  
Granted | shares         2,133,697  
Exercise price | $ / shares         $ 8.17  
2020 term awards | CEO | Liberty            
Aggregate grant date fair value       $ 5,850,000    
Granted | shares       1,190,529    
Exercise price | $ / shares       $ 10.34