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Shareholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Earnings Per Share [Line Items]      
Common stock, shares authorized 50,000,000    
Common stock, no par value $ 0    
Preferred stock, shares authorized 10,000,000    
Preferred stock, no par value $ 0    
Preferred stock dividends $ 18,000 $ 18,000  
Preferred stock, dividends, per share, cash paid $ 30 $ 30  
Common Stock [Member]      
Earnings Per Share [Line Items]      
Preferred stock dividends $ 0 $ 0  
Series A preferred stock [Member]      
Earnings Per Share [Line Items]      
Preferred stock, shares issued 600,000   600,000
Preferred stock, shares outstanding 600,000   600,000