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Shareholders' Equity (Schedule of Common Stock Outstanding Roll Forward) (Details) - Common Stock [Member] - shares
shares in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Class of Stock [Line Items]        
Shares, Issued, Beginning Balance 13,362 13,570 13,423 13,632
Repurchase of common shares (78) (33) (141) (96)
Shares, Issued, Ending Balance 13,285 13,538 13,285 13,538
Shares, outstanding 13,285 13,538 13,285 13,538
Common Stock [Member]        
Class of Stock [Line Items]        
Issuance of common shares 1 1 3 2