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Capitalization (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2021
Sep. 30, 2021
Debt Instrument [Line Items]    
Common stock shares issued due to SARs exercises 17,943  
Shares tendered 146,996  
Current Portion of Long-Term Debt $ 0 $ 0
Restricted Stock Units [Member]    
Debt Instrument [Line Items]    
Common stock issued 110,339  
Performance Shares [Member]    
Debt Instrument [Line Items]    
Common stock issued 265,607  
Board Of Directors [Member]    
Debt Instrument [Line Items]    
Common stock issued 8,395