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Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Statement of Stockholders' Equity [Abstract] |  |  |  |
Stock dividend, percent | 300.00% | 300.00% | 300.00% | 300.00%
Stock dividends (in shares) | 605,670 | 588,025 | 605,670 | 588,025
Cash Dividends Paid, per Share (in dollars per share) | $ 0.252 | $ 0.245 | $ 0.757 | $ 0.735
Stock Options Exercised (in shares) | 30,346 | 8,884 | 52,610 | 26,039
Shares Issued Under the Directors' Stock Plan (in shares) | 2,627 |  | 8,471 | 4,245
Shares Issued Under Employee Stock Purchase Plan (in shares) | 3,387 | 4,739 | 11,304 | 13,697
Shares Issued for Dividend Reinvestment Plans (in shares) | 12,826 | 16,443 | 37,841 | 48,473
Purchase of Treasury Stock (in shares) | 67,649 | 2,236 | 72,750 | 52,257

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
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