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Shareholders' Equity (Schedule of Common Stock Outstanding Roll Forward) (Details) - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Class of Stock [Line Items] |  |
Common stock, shares authorized | 50,000,000 |
Common stock, no par value | $ 0 |
Common Stock [Member] |  |
Class of Stock [Line Items] |  |
Shares, Issued, Beginning Balance | 13,423,000 | 13,632,000
Shares, Outstanding, Beginning Balance | 13,423,000 | 13,632,000
Stock Repurchased During Period, Shares | (322,000) | (233,000)
Shares, Issued, Ending Balance | 13,132,000 | 13,423,000
Shares, Outstanding, Ending Balance | 13,132,000 | 13,423,000
Common Stock [Member] | Common Stock [Member] |  |
Class of Stock [Line Items] |  |
Issuance of common stock, shares | 31,000 | 24,000

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