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Subsequent Events (Narrative) (Details) - $ / shares
3 Months Ended
Jan. 13, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Subsequent Event [Line Items]                  
Dividends per common share   $ 0.14 $ 0.14 $ 0.14 $ 0.14 $ 0.14 $ 0.14 $ 0.14 $ 0.14
Subsequent Event [Member]                  
Subsequent Event [Line Items]                  
Date declared Jan. 13, 2021                
Dividends per common share $ 0.14                
Date of record Feb. 03, 2021                
Date paid Feb. 15, 2021