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Consolidated Statements of Stockholders' Equity (unaudited) (Parenthetical) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Consolidated Statements of Stockholders' Equity (unaudited) [Abstract] |  |  |  |
Cash dividends - per share (in dollars per share) | $ 0.26 | $ 0.25 | $ 0.78 | $ 0.73
Net issuance of shares to employee benefit plans and other stock plans (in shares) | 17,234 | 14,120 | 113,679 | 118,510

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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