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Earnings Per Common Share (Narrative) (Details) - shares | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |
Treasury Stock, Shares, Acquired | 25,000 |  | 149,000 | 0
Performance Shares [Member] | Common Stock [Member] |  |  |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period | 0 | 0 | 54,698 | 52,335

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