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Share-Based Compensation (Narrative) (Details)
1 Months Ended 6 Months Ended
Feb. 28, 2019
shares
Feb. 28, 2018
executive
shares
Jun. 30, 2022
USD ($)
shares
Feb. 28, 2015
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of executives awarded stock options | executive   4    
Incentive Award Plan 2015        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares authorized (in shares)       4,900,000
Unrecognized compensation expense | $     $ 0  
Share-based compensation awarded (in shares)     0  
Employee Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Option vesting term (in years)     10 years  
Employee Stock Option | Incentive Award Plan 2015        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Grants in period (in shares)   80,000    
Requisite service period   4 years    
Nonvested options forfeited (in shares) (10,000)      
Common stock | Incentive Award Plan 2015        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for grant (in shares)     4,830,000