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Common Stock (Preferred Stock Redemption) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 01, 2020
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Earnings Per Share [Abstract]            
Preferred Stock, Dividend Rate, Percentage 6.00%          
Preferred stock, par value $ 1.00 $ 1   $ 1   $ 1
Stock Redeemed or Called During Period, Shares 6,000,000          
Preferred Stock, Redemption Price Per Share $ 25          
Preferred Stock Dividends   $ 7,466 $ 2,250 $ 11,966 $ 6,750  
Preferred Stock Redemption Premium       $ 5,200