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Consolidated Condensed Statements Of Changes In Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended | 9 Months Ended
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Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |  |  |
Common Stock, Dividends, Per Share, Cash Paid | $ 1.01 | $ 1.01 | $ 1.21 | $ 0.96 | $ 1.21 | $ 0.94 |  |
Stock Issued During Period, Shares, Acquisitions | 0 | 1,037,205 | 0 | 435,457 | 0 | 0 | 1,037,205 |
Treasury Stock, Shares, Acquired | 84,603 | 250,000 | 86,650 | 0 | 50,000 | 0 |  |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | 0 | 0 | 27,719 | 0 | 0 | 18,800 |  |

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