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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - $ / shares | 3 Months Ended
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Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022
Statement of Stockholders' Equity [Abstract] |  |  |  |  |  |
Issuance of common stock for dividend reinvestment plan (in shares) | 10,007 | 10,390 | 8,026 | 7,372 | 7,717 | 7,671
Common stock purchased (in shares) | 212,388 | 618,831 | 457,394 | 8,613 | 223,901 | 82,285
Net issuance of common stock under employee stock plans (in shares) | 8,670 | 19,065 | 23,919 | 20,229 | 30,162 | 16,551
Cash dividends paid on common stock (in dollars per share) | $ 0.35 | $ 0.35 | $ 0.35 | $ 0.34 | $ 0.34 | $ 0.34

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- Definition Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481004/946-505-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-09(4)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-3 + Details
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