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Condensed Consolidated Statements of Changes in Shareholders' Equity (Parentheticals) - $ / shares | 6 Months Ended
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Jun. 30, 2017 | Jun. 30, 2016
Statement of Stockholders' Equity [Abstract] |  |
Common Stock, Dividends, Per Share, Declared | $ 0.84 | $ 0.80

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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