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Share-Based Payments, Deferred Compensation and Employee Ownership Plans - Performance Awards Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Feb. 28, 2021
Jul. 30, 2020
Apr. 30, 2019
Mar. 31, 2016
Mar. 31, 2022
Mar. 31, 2021
Performance based restricted stock | Minimum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percent of RSU's earned         0.00%  
Performance based restricted stock | Maximum            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percent of RSU's earned         240.00%  
Equity Plans | Performance based restricted stock            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted, shares 1,974,217 1,974,217 1,974,217 1,974,217    
Vested, shares         712,652  
Forfeited, shares         320,681  
Equity Plans | Performance based restricted stock | March 2016 Performance Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested, shares         233,333  
Performance awards attained         420,000  
Equity Plans | Performance based restricted stock | April 2019 Performance Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested, shares         333,333  
Performance awards attained         666,666  
Equity Plans | Performance based restricted stock | Share Distribution | March 2016 Performance Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance awards attained         350,000  
Equity Plans | Performance based restricted stock | Share Distribution | April 2019 Performance Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance awards attained         528,800  
Equity Plans | Performance based restricted stock | Cash and Cash Equivalents | March 2016 Performance Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance awards attained         70,000  
Equity Plans | Performance based restricted stock | Cash and Cash Equivalents | April 2019 Performance Awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Performance awards attained         137,866  
Equity Plans | Restricted Shares and Restricted Stock Units (RSUs)            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted, shares         1,919,504 1,593,941
Vested, shares         224,073 291,062
Forfeited, shares         16,526 8,134
Unrecognized compensation expense         $ 116.0  
Period for recognition         2 years 1 month 20 days