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Shareholders' Equity (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2024
Dec. 31, 2023
Mar. 31, 2023
Dec. 31, 2022
Earnings Per Share [Line Items]                
Common stock, shares authorized 50,000,000   50,000,000          
Common stock, no par value $ 0   $ 0          
Preferred stock, shares authorized 10,000,000   10,000,000          
Preferred stock, no par value $ 0   $ 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]                
Shares, outstanding 12,962,032 13,284,998 12,962,032 13,284,998 13,023,511 13,131,672 13,361,613 13,422,692
Preferred stock dividends $ 0 $ 0 $ 0 $ 0        
Series A preferred stock [Member]                
Earnings Per Share [Line Items]                
Preferred stock, shares issued 600,000   600,000     600,000    
Preferred stock, shares outstanding 600,000   600,000     600,000