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Income Taxes (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Statutory federal tax rate | 21.00% | 21.00% | 21.00%
Effective income tax rate | 25.20% | 21.00% | 22.20%
U.S Federal authorities [Member] | Minimum [Member] |  |  |
Tax year open for examination | 2018 |  |
U.S Federal authorities [Member] | Maximum [Member] |  |  |
Tax year open for examination | 2020 |  |
State authorities [Member] | Minimum [Member] |  |  |
Tax year open for examination | 2016 |  |
State authorities [Member] | Maximum [Member] |  |  |
Tax year open for examination | 2020 |  |

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